HomeMy WebLinkAbout08-26-2024 AgendaCITY
AUOFBURN
WASHINGTON
City Council Study Session Community
Wellness Special Focus Area
August 26, 2024 - 5:30 PM
City Hall Council Chambers
AGENDA
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I. CALL TO ORDER
II. PUBLIC PARTICIPATION
A. Public Participation
The Auburn City Council Study Session Meeting scheduled for Monday, August 26,
2024 at 5:30 p.m. will be held in person and virtually.
Virtual Participation Link:
To view the meeting virtually please click the below link, or call into the meeting at the
phone number listed below. The link to the Virtual Meeting is:
https://www.youtube.com/user/watchaubum/1ive/?nomobile=1
To listen to the meeting by phone or Zoom, please call the below number or click the
link:
Telephone: 253 205 0468
Toll Free: 888 475 4499
Zoom: https://us06web.zoom.us/j/89786081856
III. AGENDA MODIFICATIONS
IV. ANNOUNCEMENTS REPORTS AND PRESENTATIONS
V. AGENDA ITEMS FOR COUNCIL DISCUSSION
A. Comprehensive Storm Drainage Plan (Gaub) (60 Minutes)
B. Ordinance No. 6949 (Krum) (10 Minutes)
An Ordinance for a Site Specific Rezone of a portion of one parcel from R-10,
Residential Zone - Ten Dwelling Units per acre to R-20, Twenty Dwelling Units per
acre
C. Ordinance No. 6952 (Gaub) (20 Minutes)
An Ordinance relating to Water Main Extensions and Requirements for Private Fire
Hydrant Installations and Maintenance Responsibilities, and amending Chapters 13.06
Page 1 of 769
Water System Responsibility, 13.08 Water Main Extensions and Payment, and 13.16
Fire Hydrants of the Auburn City Code
D. Ordinance No. 6953 (Gaub) (10 Minutes)
An Ordinance amending Conditions of Ordinance No. 6839 associated with vacating
Right -of -Way of a portion of West Main Street, East of Lund Road SW, within the City
of Auburn, Washington
E. Resolution No. 5782 (Council) (60 Minutes)
A Resolution amending the City Council Rules of Procedure
VI. COMMUNITY WELLNESS DISCUSSION ITEMS
A. Ordinance No. 6950 (Hay) (15 Minutes)
An Ordinance relating to camping on City property, amending Sections 2.22.210 and
9.50.030 of the Auburn City Code, and providing for severability and an effective date
VIL ADJOURNMENT
Agendas and minutes are available to the public at the City Clerk's Office, on the City website
(httpJ/www.aubumwa.gov), and via e-mail. Complete agenda packets are available for review
at the City Clerk's Office.
Page 2 of 769
CITY OF
RN
AGENDA BILL APPROVAL FORM
;X-0 WASH 1 NGTON
Agenda Subject:
Comprehensive Storm Drainage Plan (Gaub) (60 Minutes)
Department:
Public Works
Attachments:
Presentation
Draft Co nPrchcnsise Sturm Dra]naLe Plan
UAW Part]
Draft Commelicnsiw Storm DrainaLc Plan
UAW Part 2
Administrative Recommendation:
For discussion only.
Background for Motion:
Background Summary:
Date:
August 19, 2024
Budget Impact:
Current Budget: $0
Proposed Revision: $0
Revised Budget: $0
The storm drainage utility has prepared an update to the Comprehensive Storm Drainage
Plan (Plan) in coordination with the update of City's overall Comprehensive Plan. This Plan is
an update of the existing Comprehensive Stormwater Drainage Plan previously adopted in
2015. The Plan's purpose is to guide the City with respect to future activities and
improvements for the Storm Utility.
Council was first introduced to elements of the Plan at the April 10, 2023, Study Session in
conjunction with a general overview of the City Comprehensive Plan Update. The draft
policies contained within Chapter 3 of the Plan were then discussed with Council at the Study
Session held on June 26, 2023, and a general overview of the Plan contents was discussed
with Council at the Study Session held on April 1, 2024.
Staff also presented the Plan to the Planning Commission on June 4, 2024, and June 18,
2024, with the second meeting also serving as a Public Hearing and the Planning
Commission recommending the Plan to the City Council for approval. There are no regulatory
agency reviews required for approval of the Comprehensive Storm Drainage Plan.
The purpose of this discussion is to present Council with an overview of the full Plan prior to
the anticipated adoption of the Plan in conjunction with adoption of the 2024 City
Comprehensive Plan that will occur later in 2024.
Reviewed by Council Committees:
Councilmember: Tracy Taylor Staff: Ingrid Gaub
Meeting Date: August 26, 2024 Item Number:
Page 3 of 769
Page 4 of 769
ENGINEERING SERVICES
2024 COMPREHENSIVE
STORM DRAINAGE PLAN
OVERVIEW AND UPDATE
TIM CARLAW, STORM DRAINAGE UTILITY
ENGINEER
CITY COUNCIL STUDY SESSION
AUGUST 26, 2024
AUBURN
VALUES
S E R V I C E
E N V I R O N M E N T
E C O N O M Y
C H A R A C T E R
SUSTAINAB ILITY
W E L L N E S S
C E L E B R A T I O N
Auburn Comprehensive Plan Elements
■ Core Plan (Community Development)
■ Land Use Element (Community Development)
■ Housing Element (Community Development)
Historic Preservation (Community Development)
,-Climate Change - NEW (Community Development)
" Economic Development (Community Development)
-Capital Facilities Element (Public Works)
■Transportation Element (Public Works)
Utilities Element (Public Works)
Parks and Recreation (Parks)
IMAGINE AUBURN
-(.UM PR III N\IVL. PLAN IIPDATF.2024-
SERVICE . ENVIRONMENT* ECONOMY . CHARACTER . SLISTAINABILITY . WELLNESS . CELEBRATION
Page 6 of 769
June 26; 2023 2024 ay 18, 2 July 2024
• Council Review of • Planning • Public Comment • SEPA Review
Goals and Commissio Session Process
Policies review of dra
plan
Dec 2024
Plan
Acceptance
August 26,
2024
• City Council Study
Session
SERVICE. ENVIRONMENT. ECONOMY . CHARACTER . SUSTAINABILITY. WELLNESS . CELEBRATION 3
Page 7 of 769
National Pollutant Discharge
Elimination System (NPDES)
regulates pollution in
stormwater
Washington State Department of
Ecology issues a permit to
municipalities that regulates
storm drainage runoff
Storm Water Management
Manual for Western Washington
(SWMMWW)
DEPARTMENT OF
ECOLOGY
State of Washington
i
CITI' OF
BURN
WASHINGTON
SERVICE . ENVIRONMENT . ECONOMY . CHARACTER . SUSTAINABILITY . WELLNESS . CELEBRATION
Page 8 of 769
Storm Drainage Utility Service
Area = City Limits
■240 miles pipe'
040 miles of ditches
■10,275 catch basins
3,025 manholes
de
-
167 stormwater ponds ■7 pump stations = r_
SERVICE . ENVIRONMENT . ECONOMY . CHARACTER . SUSTAINABILITY . WELLNESS . CELEBRATION s�
Page 9 of 769
Chapter 1 - Introduction
■Purpose and objectives
■Approach and document
organization
Chapter 2 - Background
Utility organization and
funding
Regulatory standards
National Pollutant Discharge
Elimination System (NPDES) Phase II
Municipal Stormwater Permit
Storm Water Management Manual for
Western Washington (SWMMWW)
SERVICE . ENVIRONMENT . ECONOMY . CHARACTER . SUSTAINABILITY . WELLNESS . CELEBRATION
Page 10 of 769
s
Chapter 3 - System Goals
and Policies
System planning
Operations and
maintenance
■ Fiscal responsibility
■ Environment and regional
coordination
Goals
Polici
• Broad statements indicating a
general aim or purpose to be
achieved.
• Topic -specific statement
providing guidelines for current
and future decision -making.
• Indicates a clear commitment
of the local legislative body.
SERVICE. ENVIRONMENT • ECONOMY • CHARACTER • SUSTAINABILITY • WELLNESS • CELEBRATION
Page 11 of 769
7
Chapter 4 - Description of
Existing System
Natural drainage features of
the area
Geology
Geography
Groundwater
Land use and development
Inventory of assets
Climate Change
SERVICE . ENVIRONMENT . ECONOMY . CHARACTER . SUSTAINABILITY . WELLNESS . CELEBRATION 8
Page 12 of 769
Chapter 4 - Climate Change 40 Average Annual
_ - Preoprtatwn
Changes in peak stormwater runoff, 3S
streamflow, flooding frequency 30
RCP85
c
Addressing challenges 25 ............ RCP4.5
Evaluate risk, consequence, cost � 20
Design appropriate level of protection 0.
Average W.nter
Establish clear policies (safety, mobility, ;15 °""p""°
property protection) a 10
Additional measures to consider S
Prepare a Critical Drainage Review Averag P$ er
-� recrprtat,on
Adjust development standards & update 2000 2020 2040 200 2080 2100
models for future predictions yv-
A d d resilience to pump stations Modified from Mauger, G., and J. Won. 2019. Expanding the Ensemble of Precipitation
Projections for King County. University of Washington Climate Impacts Group, Seattle, WA.
SERVICE . ENVIRONMENT . ECONOMY . CHARACTER a SUSTAINABILITY 9 WELLNESS . CELEBRATION 9
Page 13 of 769
Chapter 5 - Storm Drainage
Utility Analysis
Hydraulic evaluation of
known problem areas
Asset management review
Regulatory driven
improvements
SERVICE . ENVIRONMENT . ECONOMY . CHARACTER . SUSTAINABILITY . WELLNESS . CELEBRATION io
Page 14 of 769
Chapter 6 - Operations and
Maintenance
Routine operations
Non -Routine and emergency
operations
Record keeping
Staffing requirements
SERVICE . ENVIRONMENT . ECONOMY . CHARACTER . SUSTAINABILITY . WELLNESS . CELEBRATION It
Page 15 of 769
Chapter 7 - Capital Projects
6 Year CIP
■ West Main St Pump Station Upgrade
■ R St SE (22"d St to 33rd St)
■ Vegetation Sorting Facility
■ M St NE Widening
■ 287t" St SE WQ Road Retrofit
■ 284t" St SE (West) WQ Road Retrofit
■ 2026 LOcal St Preservation
� tT
,.,..-
V9,
r'
■ Storm Pipeline Extension Program
■ Street Utility Improvements Program
■ Frame & Grate Replacement Program
■ Storm Drainage Renewal & Replacement
Program �M _.... ... �3"`� I^
,
SERVICE . ENVIRONMENT t ECONOMY t CHARACTER . SUSTAINABILITY . WELLNESS . CELEBRATION 12
Page 16 of 769
Chapter 8 - Implementation
6-year CIP
Programmatic measures for
NPDES compliance
Future staffing options
Asset management
expansion
Additional recommendations
Climate change considerations
Ditch maintenance program
SERVICE . ENVIRONMENT . ECONOMY . CHARACTER . SUSTAINABILITY . WELLNESS . CELEBRATION
13
Page 17 of 769
Chapter 9 - Finance
■ 6-year review
■ Planned expenses 4 funding plan
■ 10-year forecast
Maintaining reserves
■ Projected rates
SERVICE . ENVIRONMENT . ECONOMY . CHARACTER . SUSTAINABILITY . WELLNESS . CELEBRATION
Page 18 of 769
14
July -August 2024 August 2024 December 2024
• SEPA Approval • Draft Plan Resolution for
Discussion with Adoption
Council
SERVICE. ENVIRONMENT. ECONOMY. CHARACTER . SUSTAINABILITY. WELLNESS • CELEBRATION
Page 19 of 769
15
Any Questions?
SERVICE . ENVIRONMENT . ECONOMY . CHARACTER . SUSTAINABILITY . WELLNESS . CELEBRATION ss
Page 20 of 769
W
Comprehensive Storm
Drainage Plan Update_.
_w �Z
f
Draft Comprehensive Storm Drainage
Plan Update
Prepared for
City of Auburn
25 W Main Street
Auburn, WA 98001
Prepared by
Pa ra metrix
719 2nd Avenue, Suite 200
Seattle, WA 98104
T.206.394.3700 F. 1.855.542.6353
www.l)arametrix.com
August 2024 1 553-1931-052
Page 22 of 769
Citation
Parametrix. 2024. Draft Comprehensive Storm
Drainage Plan Update.
Prepared for City of Auburn by Parametrix,
Seattle, Washington.
August 2024.
Page 23 of 769
Draft Comprehensive Storm Drainage Plan Update
City of Auburn
Contents
1. Introduction.....................................................................................................................................1-1
1.1 Purpose and Objectives........................................................................................................... 1-1
1.2 Approach and Document Organization.................................................................................. 1-2
2. Background.....................................................................................................................................2-1
2.1 Storm Drainage Utility.............................................................................................................. 2-1
2.1.1 Organizational Structure........................................................................................... 2-1
2.1.2 Funding Mechanisms............................................................................................... 2-2
2.2 Development Code and Design Standards Updates............................................................. 2-4
2.3 Regulatory and Policy Considerations.................................................................................... 2-4
2.3.1 Growth Management Act.......................................................................................... 2-3
2.3.2 Phase II Municipal Stormwater Permit.................................................................... 2-3
2.3.3 Governmental Accounting Standards Board........................................................... 2-3
3. System Goals and Policies............................................................................................................. 3-1
3.1 City Comprehensive Plan Consistency................................................................................... 3-1
3.2 Storm Drainage Comprehensive Plan Policy Goals............................................................... 3-1
3.2.1 System Planning........................................................................................................ 3-1
3.2.2 Operations and Maintenance................................................................................... 3-2
3.2.3 Fiscal Responsibility.................................................................................................. 3-3
3.2.4 Environment and Regional Coordination................................................................. 3-3
4. Drainage System............................................................................................................................. 4-1
4.1 Natural Drainage..................................................................................................................... 4-1
4.1.1 Receiving Waters...................................................................................................... 4-3
4.1.2 Drainage Areas.......................................................................................................... 4-4
4.1.3 Geology and Groundwater........................................................................................ 4-6
4.1.4 Soils and Runoff Potential........................................................................................ 4-8
4.1.5 Land Use and Development..................................................................................... 4-8
4.1.6 Flood Hazard Mapping............................................................................................4-11
4.1.7 Recent Climate and Precipitation Trends..............................................................4-11
4.1.8 Anticipated Changes in Climate.............................................................................4-12
4.2 Stormwater Drainage Infrastructure....................................................................................4-15
4.3 Critical Facilities.....................................................................................................................4-18
4.4 Water Quality..........................................................................................................................4-20
August 2024 1553-1931-052 1
Page 24 of 769
Draft Comprehensive Storm Drainage Plan Update
City of Auburn
Contents (continued)
4.4.1 Existing Conditions..................................................................................................4-20
4.4.2 Regulatory Compliance...........................................................................................4-20
4.5 Existing Drainage Problems.................................................................................................. 4-21
5. Evaluation of the Storm Drainage Utility........................................................................................
5-1
5.1 Hydraulic Evaluation................................................................................................................
5-1
5.1.1 Updating Existing Models.........................................................................................
5-2
5.1.2 Creating New Models................................................................................................
5-2
5.1.3 Updating Precipitation Record and Flow Frequency ...............................................
5-3
5.2 Asset Management Review.....................................................................................................
5-3
5.2.1 Best Practices...........................................................................................................
5-3
5.2.2 Evaluation..................................................................................................................5-4
5.2.3 Recommendations....................................................................................................5-7
5.3 Regulatory -Driven Improvements Investigation..................................................................... 5-8
5.3.1 New Permit Requirements and Recommendations............................................... 5-8
5.4 Climate Change Analysis....................................................................................................... 5-10
5.4.1 Discussion of Proposed Approaches..................................................................... 5-10
5.4.2 Recommendations..................................................................................................5-13
6. Maintenance and Operations.........................................................................................................
6-1
6.1 Utility Responsibility and Authority.........................................................................................
6-1
6.1.1
Organizational Structure...........................................................................................
6-1
6.1.2
Staffing Level.............................................................................................................
6-1
6.1.3
Level of Service.........................................................................................................
6-2
6.1.4
Training and Education.............................................................................................
6-2
6.2 Routine Operations Provided by the Storm Drainage Utility .................................................
6-3
6.2.1
Catch Basin and Manhole Inspection, Cleaning, and Repair .................................
6-3
6.2.2
Stormwater Pipeline Cleaning..................................................................................
6-3
6.2.3
Stormwater Outfall Inspection, Cleaning, and Maintenance .................................
6-4
6.2.4
Drainage Ditch Maintenance and Restoration........................................................
6-4
6.2.5
Stormwater Facility Inspection, Maintenance, and Restoration ............................
6-4
6.2.6
Culvert Inspection and Cleaning..............................................................................
6-5
6.2.7
General Facility Maintenance and Other Field Tasks .............................................
6-5
6.2.8
Storm Drainage Utility Overhead..............................................................................
6-5
August 2024 1553-1931-052 fi
Page 25 of 769
Draft Comprehensive Storm Drainage Plan Update
City of Auburn
Contents (continued)
6.3 Routine Operations Provided to the Storm Drainage Utility .................................................. 6-6
6.3.1 Vegetation Maintenance.......................................................................................... 6-6
6.3.2 Stormwater Pump Station Maintenance................................................................. 6-6
6.3.3 Manufactured Treatment Device Maintenance...................................................... 6-6
6.4 Non -Routine and Emergency Operations............................................................................... 6-7
6.4.1 Customer Service Requests..................................................................................... 6-7
6.4.2 Emergency Response Program................................................................................ 6-7
6.4.3 Source Control Inspection Program......................................................................... 6-8
6.5 Data Collection and Record-Keeping..................................................................................... 6-8
6.6 M&O Staffing Requirements.................................................................................................6-10
6.6.1 Existing Staffing Requirements.............................................................................. 6-10
6.6.2 Future Staffing Requirements and Equipment Needs.........................................6-13
6.7 Potential Improvement Opportunities and Capital Needs..................................................6-16
7. Capital Improvements.................................................................................................................... 7-1
7.1 Project Prioritization................................................................................................................ 7-3
7.2 Proposed Capital Improvement Projects................................................................................ 7-3
7.3 Programmatic Drainage Projects..........................................................................................7-29
8. Implementation Plan...................................................................................................................... 84
8.1 6-Year and 20-Year Capital Improvement Program.............................................................. 8-1
8.2 Programmatic Measures for NPDES Compliance.................................................................. 8-5
8.3 Future Staffing and Equipment Needs................................................................................... 8-7
8.3.1 Engineering Services................................................................................................ 8-7
8.3.2 Maintenance and Operation Services..................................................................... 8-7
8.4 Continue Implementation of Best Practices for Asset Management ................................... 8-7
8.5 Recommendations for Additional Activities........................................................................... 8-8
8.5.1 Climate Change......................................................................................................... 8-8
8.5.2 Ditch Maintenance Program.................................................................................... 8-9
8.5.3 Ongoing System Updates and Capital Facilities Plan Projects ............................... 8-9
8.6 Implementation Plan.............................................................................................................8-10
9. Financial Plan..................................................................................................................................94
9.1 Introduction.............................................................................................................................. 9-1
9.2 Past Financial Performance.................................................................................................... 9-1
August 2024 1553-1931-052 iii
Page 26 of 769
Draft Comprehensive Storm Drainage Plan Update
City of Auburn
Contents (continued)
9.2.1 Comparative Financial Statements.......................................................................... 9-1
9.3 Financial Plan........................................................................................................................... 9-5
9.4 Available Funding Assistance and Financing Resources...................................................... 9-8
9.4.1 City Resources........................................................................................................... 9-8
9.4.2 Outside Resources.................................................................................................... 9-8
9.4.3 Capital Financing Strategy........................................................................................ 9-9
9.5 Financial Forecast................................................................................................................. 9-10
9.5.1 Current Financial Structure....................................................................................9-11
9.5.2 Financial Forecast...................................................................................................9-12
9.6 Current and Projected Rates.................................................................................................9-15
9.6.1 Current Rates..........................................................................................................9-15
9.6.2 Projected Rates.......................................................................................................9-16
9.6.3 Affordability..............................................................................................................9-16
9.7 Conclusion..............................................................................................................................9-17
10. Limitations....................................................................................................................................10-1
11. References....................................................................................................................................11-1
FIGURES
Figure 2-1. Public Works Department Staff Organizational Chart ........................................................ 2-1
Figure 4-1. Natural Drainage Features of the City of Auburn................................................................
4-2
Figure 4-2. Drainage Subareas for the City of Auburn Storm Drainage Utility .....................................
4-5
Figure 4-3. Surface Geology in the Vicinity of the City of Auburn..........................................................
4-7
Figure 4-4. Land Use Designations for the City of Auburn..................................................................4-10
Figure 4-5. Projected Change in Average Precipitation for Seattle, Washington...............................4-13
Figure 4-6. Projected Changes in 1-Hour Precipitation Statistics for the 2O8Os vs. 1970-1999...
4-14
Figure 4-7. Drainage Infrastructure for the City of Auburn Storm Drainage Utility............................4-17
Figure 4-8. City and Storm Drainage Critical Facilities for the City of Auburn....................................4-19
Figure 4-9. Drainage Problem Locations for the Storm Drainage Utility............................................4-23
Figure 5-1. Pipe Installation Date Relative to Total Linear Feet of Pipe ...............................................
5-4
Figure 5-2. Pipe Material Relative to Total Linear Feet of Pipe............................................................
5-5
August 2024 1553-1931-052 iv
Page 27 of 769
Draft Comprehensive Storm Drainage Plan Update
City of Auburn
Contents (continued)
Figure 5-3. Key Areas for Vulnerability Assessment............................................................................ 5-12
Figure 6-1. City Drainage Ditch Inventory .............................................................................................6-14
Figure 7-1. Capital Improvement Project Locations.............................................................................. 7-2
Figure 8-1. Annual Costs for 6-Year Capital Improvement Plan............................................................ 8-3
Figure 8-2. NPDES Compliance Schedule.............................................................................................. 8-6
Figure 8-3. Implementation Plan Activities Timeline...........................................................................8-11
TABLES
Table 2-1. 2024 and 2025 Utility Rates for Storm Drainage Service .................................................. 2-3
Table 2-2. Federal, State, and City Regulations, Guidance, and Programs Relevant to the
AuburnStorm Drainage Utility.......................................................................................................... 2-4
Table 4-1. Federal Emergency Management Agency Flood Insurance Rate Maps
Applicableto Auburn.......................................................................................................................4-11
Table 4-2. Precipitation Frequency Data for Auburn, Washington, from NOAA Atlas 2.....................4-12
Table 4-3. Stormwater Drainage Infrastructure Summary..................................................................4-16
Table 4-4. Critical City Facilities............................................................................................................ 4-18
Table 4-5. Critical Stormwater Facilities...............................................................................................4-18
Table 4-6. Existing Drainage Problems.................................................................................................4-21
Table 5-1. Recommended Actions Regarding New Permit Requirements ........................................... 5-9
Table 6-1. Storm Drainage Utility M&O Personnel................................................................................. 6-2
Table 6-2. Existing Storm Drainage System Maintenance and Staffing Requirements ....................6-10
Table 6-3. Existing Vegetation Maintenance and Staffing Requirements..........................................6-12
Table 6-4. Future Storm Drainage System Maintenance and Staffing Requirements ......................6-16
Table 7-1. Summary Programmatic Drainage Projects.......................................................................7-30
Table 8-1. Annual Cost Summary for 6-Year Capital Improvement Plan .............................................. 8-2
Table 8-2. Capital Improvement Cost Summary for 2031-2044......................................................... 8-4
Table 8-3. Ongoing System Updates....................................................................................................... 8-9
Table 8-4. Capital Facilities Plan Project Schedule 2024-2026.......................................................8-10
Table 9-1. Summary of Historical Fund Resources and Uses Arising from Cash Transactions.......... 9-2
Table 9-2. Summary of Historical Comparative Statements of Net Position ....................................... 9-4
August 2024 1553-1931-052 v
Page 28 of 769
Draft Comprehensive Storm Drainage Plan Update
City of Auburn
Contents (continued)
Table 9-3. 10-Year and 20-Year Capital Improvement Plans............................................................... 9-6
Table 9-4. 10-Year Capital Improvement Plan (Escalated$)................................................................ 9-7
Table 9-5. 10-Year and 20-Year Capital Financing Strategy...............................................................
9-10
Table 9-7. Ending Cash Balance Summary ..........................................................................................9-15
Table 9-8. Existing Schedule of Rates..................................................................................................
9-15
Table 9-9. Proposed Storm Drainage Rates.........................................................................................9-16
Table 9-10. Community Affordability Test............................................................................................
9-16
APPENDICES
A Western Washington Phase II NPDES MS4 Permit
B Hydrologic and Hydraulic Modeling Analysis
C Asset Management Evaluation
D Regulatory -Driven Improvements Assessment
E Ditch Maintenance and Operations Program - Development and Recommended
Actions
F SEPA Compliance Documentation
August 2024 1553-1931-052 vi
Page 29 of 769
Draft Comprehensive Storm Drainage Plan Update
City of Auburn
Acronyms and Abbreviations
ACC Auburn City Code
BMP
best management practice
CCTV
closed-circuit television
CDR
critical drainage review
CEMP
City Emergency Management Plan
CFP
capital facilities plan
CIP
capital improvement project
CMMS
computerized maintenance management system
COA Supplement
City of Auburn Supplement
CWA
Clean Water Act
DEM
digital elevation model
Ecology
Washington State Department of Ecology
Engineering
City of Auburn Department of Engineering Services
EPA
Environmental Protection Agency
ESA
Endangered Species Act
ESU
equivalent service unit
FEMA
Federal Emergency Management Agency
FIRM
Flood Insurance Rate Map
FIS
Flood Insurance Study
FTE
full-time equivalent
GASB
Governmental Accounting Standards Board
GIS
geographic information system
GMA
Growth Management Act
G.O.
general obligation
H&H
hydrologic and hydraulic
August 2024 1 553-1931-052 vii
Page 30 of 769
Draft Comprehensive Storm Drainage Plan Update
City of Auburn
Acronyms and Abbreviations (continued)
HPA
Hydraulic Project Approval
IDDE
illicit discharge detection and elimination
KCFCD
King County Flood Control District
KCSWDM
King County Surface Water Design Manual
LID
low impact development
LOMR
Letters of Map Revision
LOS
level of service
MEP maximum extent practicable
M&O maintenance and operations
MS4 municipal separate storm sewer system
NASSCO National Association of Sewer Service Companies
NFIP National Flood Insurance Program
NOAA National Oceanic and Atmospheric Administration
NPDES National Pollutant Discharge Elimination System
NRCS Natural Resources Conservation Service
NSF non -single family
OCI Overall condition index
OCR
PACP
PCB
PFAS
Plan
RCP
RCW
ROW
R&R
August 2024 1553-1931-052
overall condition rating
Pipeline Assessment and Certification Program
polychlorinated biphenyl
per- and polyfluoroalkyl substance
Comprehensive Storm Drainage Plan
Representation Concentration Pathway
Revised Code of Washington
right-of-way
repair and replacement
viii
Page 31 of 769
Draft Comprehensive Storm Drainage Plan Update
City of Auburn
Acronyms and Abbreviations (continued)
RSI
required supplementary information
SCIP
Source Control Inspection Program
SEPA
State Environmental Policy Act
SDC
system development charge
SFHA
Special Flood Hazard Areas
SMAP
Stormwater Management Action Plan
SR
State Route
SRP soluble reactive phosphorus
SWMP Stormwater Management Program
SWMMWW Surface Water Management Manual for Western Washington
TAPE
Technology Assessment Protocol - Ecology
TMDL
total maximum daily load
UIC
underground injection control
ULID
utility local improvement district
USACE
U.S. Army Corps of Engineers
VRFA
Valley Regional Fire Authority
WAC
Washington Administrative Code
WSDOT
Washington State Department of Transportation
August 2024 1553-1931-052 x
Page 32 of 769
Draft Comprehensive Storm Drainage Plan Update
City of Auburn
1. Introduction
This Comprehensive Storm Drainage Plan (Plan) for the City of Auburn, Washington, updates the
previous plan that was completed in December 2015. The 2015 Plan is being updated for several
reasons:
■ The Washington State Growth Management Act (GMA) requires planning documents to be
reassessed and updated periodically.
■ Current and future regulatory and permitting requirements, such as those associated with
the National Pollutant Discharge Elimination System (NPDES), need to be addressed. Since
adoption of the 2015 Plan, the NPDES permit was updated and reissued in 2019 and will be
updated again in August 2024.
■ New compliance elements, such as the Stormwater Management Action Plan (SMAP) and the
Source Control Inspection Program (SCIP) require new activities and regulatory
responsibilities.
■ Continued growth and system expansion via development, in addition to the 2024 annexed
development area from the City of Kent, requires new and revised evaluations of the storm
drainage system maintenance responsibilities and expanded service area.
■ The storm drainage system inventory has been updated and is needed to manage utility
assets and to update the analyses used for condition assessments and replacement
planning.
■ The capital improvements identified in the 2015 Plan needed reevaluation to account for
completed projects, new compliance elements, changes in system conditions, new problem
areas identified, and new development, as well as to incorporate new financial information.
In addition, expectations and changes to the stormwater program mission are evolving, which may
include increasing coordination with land use and watershed planning, identifying proactive actions
to update and retrofit the system, improving the maintenance programs and record -keeping,
providing area -wide or basin stormwater control systems, and considering long-term retrofitting.
This Plan contains time frames that are the intended framework for future funding decisions and
within which future actions and decisions are intended to occur. However, these time frames are
estimates and, depending on factors involved in the processing of applications and project work and
the availability of funding, the timing may change from the included time frames. The framework
does not represent actual commitments by the City of Auburn, which may depend on funding
resources available.
1.1 Purpose and Objectives
The purpose of this Plan is to guide the City's Storm Drainage Utility with respect to future activities
and improvements. The Plan's objectives are to:
■ Evaluate environmental, social, and regulatory drivers to update the system goals for capital
facility infrastructure development, operation, maintenance, and other key elements of utility
management.
■ Perform hydraulic modeling analysis to evaluate system capacity, focusing on known
problems and areas where data are available for model development and calibration.
Incorporate those updates into the hydraulic models used for analyzing the system.
■ Develop capital improvements that meet system needs and effectively manage risks.
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■ Document maintenance and operations (M&O) activities and develop recommendations for
improving the M&O program.
■ Review and document the condition of existing stormwater system assets and develop a
prioritization system for inspecting critical system elements.
■ List and describe Capital Improvement Projects (CIPs) to prioritize 6- and 20-year
funding frameworks.
■ Provide future -looking suggestions based on potential changing climate factors.
■ Incorporate information and activities from current and anticipated NPDES
compliance planning.
■ Identify additional staffing needed based on NPDES requirements and future maintenance
and operation activities.
■ Coordinate the capital and operations plans to meet the anticipated revenue stream.
■ Develop programmatic recommendations to address utility needs.
1.2 Approach and Document Organization
This Plan is organized to focus on the actions the utility will take to implement the Plan. In most
cases, supporting documentation and background information is included in appendices rather than
chapters of the Plan. The Plan is organized into the following chapters:
Chapter 1 Introduction: Describes the reasons for developing an updated Plan and states
the purpose and objectives of the Plan.
Chapter 2 Background: Provides background information regarding the Storm Drainage
Utility and regulatory drivers for developing system goals.
Chapter 3 System Goals and Policies: Specifies the system goals used to develop capital
improvements and future M&O activities.
Chapter 4 Drainage System: Describes the existing conditions of the City's drainage system.
Chapter 5 Evolution of the Storm Drainage Utility: Describes methodologies used to
evaluate existing problems and develop CIPs.
Chapter 6 Maintenance and Operations: Documents existing Storm Drainage Utility M&O
activities.
Chapter 7 Capital Improvements: Describes recommended capital improvement projects,
including cost estimates and conceptual figures.
Chapter 8 Implementation Plan: Prioritizes CIPs and lays out a future work plan.
Chapter 9 Finance: Identifies the total cost of providing stormwater drainage services and
provides a program for the utility to remain viable during execution of the CIP.
Chapter 10 Limitations: Sets the limits of legal applications of this document.
Chapter 11 References: Lists documents referenced throughout the Plan.
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z. Background
This chapter provides a brief description of the Storm Drainage Utility, organizational structure, and
funding mechanisms, as well as an overview of the federal, state, and local regulations that can
affect stormwater management in the City.
2.1 Storm Drainage Utility
2.1.1 Organizational Structure
The City's Storm Drainage Utility is organized under the larger umbrella of the Public Works
Department (see Figure 2-1). The Public Works Department covers several areas of responsibility
related to stormwater management:
■ Utility Program.
■ Transportation Program.
■ M&O Program.
■ Project Engineering.
■ GIS (Asset Management).
Under these programs, the Public Works Department is responsible for the planning, design,
construction, operations, and maintenance of the City's storm drainage. Management and
construction of storm drainage CIPs is provided by Engineering Services, while maintenance of storm
drainage facilities is provided by dedicated stormwater and vegetation divisions within M&O.
jest Utilities GIS
Bering [ I
Stnrm
Figure 2-1. Public Works Department Staff Organizational Chart
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2.1.2 Funding Mechanisms
The following section provides adapted text from Auburn City Code (ACC) Title 13: Water, Sewers and
Public Utilities, Chapter 13.48, Storm Drainage Utility, §13.48.060, Authority to establish rates. Per
the ACC, the City has established rate classifications, service charges, and various fees and charges
to pay for the following costs:
■ The development, adoption, and implementation of a Comprehensive Storm Drainage Plan.
■ The debt service and related financing expenses of the design and construction of storm
drainage and water quality facilities required for the management of stormwater and surface
waters that benefit the service area.
■ The operation, repair, maintenance, improvement, replacement, and reconstruction of storm
drainage facilities that benefit the present service area (e.g., CIPs to increase system
capacity in accordance with level of service [LOS) goals).
■ The purchase of a fee or lesser interest, including easements, in land that may be necessary
for the storm drainage system in the service area, including, but not limited to, land
necessary for the installation and construction of storm drainage facilities and all other
facilities that are reasonably required for proper and adequate management of stormwater
for the benefit of the service area.
■ The costs of monitoring, inspection, enforcement, and administration of the utility, including,
but not limited to, water quality surveillance, private system maintenance inspection,
construction inspection, and other activities that are reasonably required for the proper and
adequate implementation of the City's stormwater and surface water policies and
regulations.
■ Preparing and implementing requirements for the City's municipal separated storm sewer
system (MS4) permit.
2.1.2.1 Rates
The currently established rates for the storm drainage service are provided in Table 2-1 below, which
lists rates for 2024 and 2025. Base rates are the monthly charge for service from the Storm
Drainage Utility to recover costs incurred by the utility, such as administrative, billing, and collection.
Equivalent service units (ESU) are used as a means for estimating the development or impervious
surfaces' estimated to contribute an amount of runoff to the City's storm drainage system, which is
approximately equal to that which is created by the average single-family residential parcel. Open,
uncovered, retention/detention facilities shall not be considered as impervious surfaces for the
purpose of ESU calculations. One ESU is equal to 2,600 square feet of impervious surface area or
any portion thereof. Table 2-1 provides the current monthly charges, base rates, and ESU monthly
rates for classifications used by the utility.
' An impervious surface is a hard surface area that prevents the entry of water into the soil mantle (see ACC
Chapter 13.41). Common impervious surfaces include, but are not limited to rooftops, walkways, patios,
concrete, or asphalt paving.
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Table 2-1. 2024 and 2025 Utility Rates for Storm Drainage Service
Effective as of January 1. 2024
Effective as of January 1, 2025
Single-family parcel types
Monthly charge. $
Monthly charge. $
Single-family residential parcels e
18.09
19.31
Two-family residential parcels b
19.25
19.31
Non -single-family (NSF) parcels
ESU rate per month. $
ESU rate per month. $
NSF c
18.09
19.31
NSF with detention d
15.57
16.62
NSF with retention e
13.04
13.92
NSF with water quality treatment f
16.64
17.76
NSF with detention and water quality
4.12
15.07
treatment
NSF with retention and water quality
11.59
12.37
treatment
a. Any parcel of land having on it a single detached dwelling unit that is designed for occupancy by one family or a similar group of people.
b- A building designed exclusively for occupancy by two families living independently of each other and containing two dwelling units.
c- Any parcel of developed land other than single-family or two-family (duplex) residential.
d Detention is the temporary storage of stormwater and surface water runoff, with provisions for the controlled offsite surface release of
the stored water.
e. Retention means the storage of stormwater and surface water runoff, with no provisions for off -site surface release of the stored water
other than by evaporation and infiltration.
r Water quality treatment means an engineered and approved facility to remove contaminants in the existing flow regime of stormwater
generated from a developed parcel pursuant to applicable design standards in place at the time of approval.
Storm Drainage Utility rates are billed monthly. Storm drainage charges start from the day a water
meter servicing the property is installed by the City. In cases where the property does not receive
water service from the City, storm drainage charges start from the day that the storm drainage
permit is finalized by the City. Payments received for utility bills are applied to expenses in the
following order of priority: late charges, additional fees, stormwater, garbage, sewer, and water.
Payment for stormwater drainage service charges is due and payable to the Finance Department
office 15 days after the billing date that appears on the bill. Utility charges are constituted as a lien
and thus can be applied to a lien upon the property from which such charges are due, superior to all
other liens and encumbrances whatsoever, except for general taxes and local special assessments.
2.1.2.2 Connection Fees
Connection fees are comprised of a connection permit fee and a system development charge (SDC).
Connection permit fees are applied to cover the planning, review, inspection, record drawings, and
processing of permit information for new connections to the public storm drainage system. Other
permit fees are assessed for inspection and permit processing for various repair, retrofit, and
demolition activities.
A utility SDC is a charge imposed on new customers, or existing customers revising use of their
property, in recognition of the previous investment of the City and its customers in the utility systems.
The purpose of an SDC is to recover a fair share of the costs of providing existing utility system
infrastructure to serve new customers or revised uses of existing customers and provide for future
improvements to serve new customers. As with Storm Drainage Utility rates, SDCs are based on the
relative amount of impervious surface added to the system. In 2024, SDCs were estimated to be
$1,759 per ESU.
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2.2 Development Code and Design Standards Updates
In compliance with the previous NPDES MS4 permit, the City has conducted updates to its
development regulations and design standards and adopted a stormwater manual as required by the
permit. Specifically, the City adopted the Washington State Department of Ecology (Ecology)
2019 Surface Water Management Manual for Western Washington (SWMMWW), with a City of
Auburn Supplement (COA Supplement). The COA Supplement has received minor updates as
needed —generally annually —to include new technologies and regulations. Ecology has recently
adopted an update to the 2024 SWMMWW. The City has formally updated the standards to the
revised manual as a condition of the NPDES MS4 permit.
In August 2024, Ecology issued an updated NPDES MS4 permit to comply with requirements of the
federal Clean Water Act (CWA) when the current permit expires. The new permit would be effective
through July 31, 2029.
Development regulations related to stormwater and drainage design standards will also be reviewed
for potential revision consistent with current policies and LOS goals.
See the following section for an overview of the City's Stormwater Management Program (SWMP)
and Chapter 8 for specific steps needed to maintain compliance with updated NPDES MS4
permit requirements.
2.3 Regulatory and Policy Considerations
Numerous federal, state, and local regulations govern stormwater management in the City. Other
plans and programs provide additional guidance. Applicable regulations and policy guidance are
summarized in Table 2-2.
Table 2-2. Federal, State, and City Regulations, Guidance, and Programs Relevant to the
Auburn Storm Drainage Utility
Regulation. Guidance, or
Title Program Application to the City
Federal
Clean Water Act (CWA): §402 NPDES
CWA: §303(d) Impaired Waters and
Total Maximum Daily Load
(TMDL) Program
CWA: §404 Permit Program
Endangered Species Act (ESA)
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The National Pollutant Discharge
Elimination System (NPDES) permit
Regulation
includes several requirements that affect
stormwater management in the City. See
Section 2.3.2 below.
In addition to existing TMDLs, new TMDLs
Regulation
could lead to more stringent stormwater
quality controls in future NPDES permits.
Some stormwater Capital Improvement
Projects (CIPs) can affect wetlands or other
Regulation
"waters of the U.S." §404 permitting and
mitigation can increase CIP costs and
schedules.
Stormwater CIPs that involve federal
permitting or funding could require
Regulation
consultation with federal agencies under §7
of the ESA. ESA consultation could increase
project timelines and costs.
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Table 2-2. Federal, State, and City Regulations, Guidance, and Programs Relevant to the Auburn
Storm Drainage Utility (continued)
Regulation, Guidance, or
Title Program Application to the City
The Plan could affect the City's rating under
National Flood Insurance Program Program the Community Rating System, which
affects flood insurance rates.
Governmental Accounting Standards Requires accurate inventory of City's
Board (GASB) Statement 34 Program stormwater infrastructure. See Section
2.3.3 below.
State
State Environmental Policy Act (SEPA)
(Washington Administrative Code
[WAC] 197-11)
Water quality standards
(WAC 173-201A)
§401 water quality certification
Puget Sound Water Quality
Management Plan
Puget Sound Partnership
Growth Management Act (GMA) and
City Comprehensive Plan
Regulation
Regulation
Regulation
Guidance
Guidance
Regulation
State Hydraulic Code (Revised Code Regulation
of Washington 77.55. WAC 220-660)
Archaeological and cultural
coordination
Regulation
Each CIP would require SEPA review prior to
implementation unless that project is
categorically exempt.
The NPDES MS4 permit does not authorize
discharges that would violate State water
quality standards. The State may establish
TMDLs for water bodies that violate the
standards. As noted above, the TMDLs can
become NPDES permit requirements.
Individual projects that require §404 or
other federal permits would also require a
§401 certification from Ecology. A §401
certification could include site -specific
mitigation measures, which could affect CIP
design and cost estimates.
Plan recommendations should be
consistent with the Puget Sound Water
Quality Management Plan.
In 2007. the Washington State Legislature
created a State agency for the purpose of
developing and overseeing the
implementation of a 2014/2015 -Action
Agenda" to clean up, restore. and protect
Puget Sound by 2020. The partnership's
"Action Agenda" identified three priorities,
one of which is to prevent pollution from
urban stormwater runoff.
This Plan is required by the GMA. GMA is
discussed in Section 2.3.1 below.
CIPs that involve work in waters of the State
would require a Hydraulic Project Approval
(HPA) permit. HPA permitting and mitigation
measures could affect CIP costs.
If any CIPs are planned for areas with
known or suspected archaeological sites,
the City will need to coordinate with the
Department of Archaeology and Historic
Preservation, local Indian tribes, and King
County Historic Preservation.
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Table 2-2. Federal, State, and City Regulations, Guidance, and Programs Relevant to the Auburn
Storm Drainage Utility (continued)
Regulation, Guidance, or
Title Program Application to the City
city
Environmental review (Auburn City
Code [ACC) Title 16.06)
Critical areas ordinance
(ACC Title 16.10)
Development regulations
(ACC Title 18)
Each CIP would be subject to environmental
review prior to permitting and construction
Regulation as prescribed in ACC 16.06. This chapter of
the ACC was adopted under the authority
of SEPA.
The Plan should avoid CIPs in critical areas
(e.g.. wetlands, groundwater protection
Regulation zones, or wildlife habitat). If a CIP must be
sited in a critical area, the cost estimate
should include costs for mitigation and
permitting as prescribed in ACC 16.10.
The City's development regulations must be
Regulation consistent with NPDES MS4 permit
requirements.
Future projects should be located and
designed to be consistent with the City
Shoreline Master Program Regulation shoreline regulations (ACC 16.08). Projects
(ACC Title 16.08) within designated shorelines could require
permits and mitigation, which could affect
project costs and schedules.
Most of the regulations listed in Table 2-2 primarily affect the implementation of specific measures
recommended in the Plan. For example, CIPs that could affect wetlands would need to comply with
City critical areas regulations and possibly federal CWA Section 404 regulations. However, three of
the regulations listed in Table 2-2—the GMA, Ecology's Phase II NPDES Stormwater permit, and
federal Governmental Accounting Standards Board (GASB) Statement 34—directly affect the LOS for
this Plan.
These regulations are discussed in greater detail in Sections 2.3.1 through 2.3.3 below.
2.3.1 Growth Management Act
The Washington State Legislature enacted the GMA in 1990 in response to rapid population growth
and concerns with suburban sprawl, environmental protection, quality of life, and related issues. The
GMA is codified primarily in Revised Code of Washington (RCW) Chapter 36.70A.
The GMA provides a framework for regional coordination, and counties planning under the GMA are
required to adopt countywide planning policies to guide plan adoption within the county and to
establish urban growth areas. Local comprehensive plans must include the following elements: land
use, housing, capital facilities, utilities, transportation, economic development, parks and recreation,
and, for counties, a rural element. This Plan serves as a component of the utilities element for
City -owned storm drainage assets.
2.3.2 Phase II Municipal Stormwater Permit
The NPDES MS4 permit program is a requirement of the federal CWA, which is intended to protect
and restore waters for "fishable, swimmable" uses. The federal Environmental Protection Agency
(EPA) has delegated permit authority to state environmental agencies, and these agencies can set
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permit conditions in accordance with and in addition to the minimum federal requirements. In
Washington, Ecology is the NPDES-delegated permit authority.
Phase I of the stormwater NPDES regulation applies to cities and counties that operate MS4s and
had populations of 100,000 people or more according to the 1990 census. Phase II of the
stormwater NPDES regulation applies to municipalities that operate MS4s and have populations of
fewer than 100,000 people according to the 1990 census. Auburn is a Phase 11 permittee.
Ecology issued the current Western Washington Phase II Municipal Stormwater permit (the NPDES
MS4 permit) in July 2024, with an effective date of August 2024. The NPDES MS4 permit term will
last until July 2029.
The NPDES MS4 permit requires the City to submit a SWMP Plan by March 31 of each year, in which
the City identifies activities to be completed in compliance with the permit requirements. The permit
also requires submittal of an annual report that looks back on SWMP activities for the prior year. The
NPDES MS4 permit and associated requirements are described in detail in the City's current SWMP
Plan, which is available on the City's website.
The NPDES MS4 permit allows municipalities to discharge stormwater runoff from their municipal
drainage systems into the state's water bodies (e.g., streams, rivers, lakes, and wetlands) as long as
municipalities implement programs to protect water quality by reducing the discharge of
"nonpoint source" pollutants to the "maximum extent practicable" (MEP) through application of
permit -specified "best management practices" (BMPs). The stormwater management activities
specified in the NPDES MS4 permit are collectively referred to as the SWMP and grouped under the
following program components:
■ SWMP administration.
■ Public education and outreach.
■ Public involvement and participation.
■ Illicit discharge detection and elimination (IDDE).
■ Control of runoff from new development, redevelopment, and construction sites.
■ Municipal operations and maintenance.
■ Monitoring and assessment.
The NPDES MS4 permit also requires compliance with established total maximum daily loads
(TMDLs).2 The current NPDES MS4 permit requires the City to monitor discharges to the White River,
in association with the Puyallup River watershed fecal coliform TMDL. Additional actions required by
the City to ensure compliance with TMDLs are listed in Appendix 2 of the NPDES MS4 permit
(Appendix A of this Plan). Ecology has identified several other water bodies in the vicinity of Auburn
that do not appear to meet the water quality standards, and additional TMDL requirements are
possible in future permits.
2 A total maximum daily load (TMDL) is a calculated maximum pollutant loading a water body can receive while
still meeting water quality standards. Once a TMDL is established, the State determines how much each
source must reduce its discharges of the pollutant in order to bring the water body back into compliance with
the water quality standards. The federal CWA requires that TMDLs be established for all water bodies that do
not meet water quality standards, and that TMDL requirements be included in the NPDES permits for
dischargers into the affected water bodies.
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2.3.3 Governmental Accounting Standards Board
Financial reporting by public utilities must adhere to requirements set by the GASB, the agency
responsible for developing standards of state and local governmental accounting and financial
reporting. Most prominent is GASB Statement 34, "Basic Financial Statements —and Management's
Discussion and Analysis —for State and Local Governments," which was issued in June 1999. The
main objective of Statement 34's requirements is to have financial reports that are more
comprehensive and are easier to understand by the public. Statement 34 consists of several
components, which can be seen in full in paragraphs 3 to 166 of the GASB publications. In summary,
Statement 34 requires that the basic financial statements and required supplementary information
(RSI) for general purpose governments should consist of the following:
■ Management's discussion and analysis. In sum, this requirement states that prior to the
basic financial statements, a discussion providing an analytical overview of the government's
financial activities is necessary.
■ Basic financial statements, which should include:
—► Government -wide financial statements that include information on net assets (e.g., storm
drainage infrastructure) and a statement of activities.
—► Fund financial statements that focus on information about the government's major
governmental and enterprise funds (e.g., the City's Storm Drainage Utility), including its
blended component units.
—► Notes to the financial statements that will enable users to understand the basic financial
statements.
■ Required supplementary information. Budgetary comparison schedules should be presented
as RSI along with other types of data, as required by previous GASB pronouncements.
Consequently, the City needs an accurate inventory of its stormwater infrastructure in order to
comply with the GASB 34 requirements.
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3. System Goals and Policies
This chapter describes a set of overarching goals for the City's Storm Drainage Utility and policies for
complying with these goals.
3.1 City Comprehensive Plan Consistency
The City Comprehensive Plan is the City's growth management plan and contains policies for
protecting critical areas and natural resource lands, designating urban growth areas, preparing
comprehensive utility plans, and implementing them through capital investments and development
regulations. Therefore, the City Comprehensive Plan provides a framework of policies for
development, expansion, and maintenance of the Storm Drainage Utility reflected in this Storm
Drainage Comprehensive Plan.
3.2 Storm Drainage Comprehensive Plan Policy Goals
The City's Storm Drainage Utility policies are grouped within goal statements that are headlined
under the following categories:
■ System Planning.
■ Operations and Maintenance.
■ Fiscal Responsibility.
■ Environment and Regional Coordination.
Taken together with the City Comprehensive Plan and ACC these goals define how the Storm
Drainage Utility shall be operated and maintained. Several policies have been developed within each
goal, many of which are also based on the Washington Department of Ecology SWMMWW and the
City's Phase II NPDES MS4 permit.
3.2.1 System Planning
Goal 1: Employ recognized best business practices resulting in creating a sustainable, efficient, and
cost-effective operation of the Storm Drainage Utility.
POLICY 1.1 Incorporate the Comprehensive Storm Drainage Plan as an Element of the City's
Comprehensive Plan.
POLICY 1.2 The City shall seek to manage stormwater runoff within the public Right Of Way (ROW):
■ to provide access to and functionality of critical services.
■ to preserve mobility on major transportation routes (i.e., arterial roads) and
residential roads.
■ to protect real property structures (e.g., residences and businesses).
POLICY 1.3 The City shall seek to provide pump redundancy and backup power generators or dual
power feeds at City -owned and -operated drainage pump stations.
POLICY 1.4 The City shall routinely assess the performance of pumped systems with a focus on
capacity and vulnerability. This review aims to ensure that these systems operate
efficiently, meet their intended capacity, and remain resilient against potential risks.
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POLICY 1.5 The City shall require the separation of sanitary and storm sewer facilities wherever
combined sewers may be discovered.
POLICY 1.6 Establish, maintain, and update an asset database to be used in prioritizing asset
maintenance and repair and replacement activities. The database will include asset age
and material information and will be validated and updated through inspections, records
review, and other available information.
POLICY 1.7 Review complaints/citizen reports and claims made against the City and create a list of
operational and capital improvements to be implemented by the Plan.
POLICY 1.8 The City shall use the outcomes of future rainfall intensity data updates for informing the
design of its stormwater systems. Specifically, the same design storms —such as the
25-year event for pipe capacity and the 100-year event for storage facilities —shall be
employed using projected rainfall statistics. The City shall draw upon relevant studies,
including those mentioned in the King County Surface Water Design Manual (KCSWDM)
or other ongoing regional research once the results become available (King County
DNR 2021).
3.2.2 Operations and Maintenance
Goal 2: Maintain existing infrastructure and ensure facilities are reliable and operational now and
into the future.
POLICY 2.1 The City shall maintain or seek access to all City -owned facilities for necessary
maintenance and operation. [ACC 13.48.440B]
POLICY 2.2 The City's Storm Drainage Utility shall be responsible for implementation, maintenance,
and operation of the City's public storm drainage system. Storm systems serving
City -owned properties managed by other departments and/or divisions of the City that are
not part of the public storm drainage serving the public ROW (e.g., Parks, Arts &
Recreation; Administration - Facilities; Public Works - Airport) shall be responsible for
their own maintenance and upkeep.
POLICY 2.3 Drainage facilities constructed to serve private property shall be owned and maintained
by the property owner. Drainage facilities constructed to serve public ROW shall be owned
and maintained by the City.
POLICY 2.4 The City shall seek to maintain storm drainage infrastructure to ensure proper function of
drainage facilities by performing scheduled maintenance in accordance with the NPDES
permit. [ACC 13.48.1801
POLICY 2.5 The City shall seek to seasonally maintain storm drain inlets, conveyance, and outfalls to
preserve design conveyance capacity.
POLICY 2.6 Employee safety will be a primary consideration in the design, construction, operation,
and maintenance of storm drainage infrastructure.
POLICY 2.7 Investigate all customer service calls within 24 hours and record results in the
computerized maintenance management system (CMMS.)
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3.2.3 Fiscal Responsibility
Goal 3: Responsibly manage funds, employ best business practices, and operate the utility in a
cost-effective manner.
POLICY 3.1 Appropriate rates and system development charges shall be assessed and periodically
updated to fund the ongoing maintenance, operation, and capital expenditures of the
utility. [ACC 13.48.060]
POLICY 3.2 Manage the Storm Drainage Utility funds and resources in a professional manner in
compliance with applicable laws, regulations, and City financial policies, which requires
ongoing monitoring of revenues and expenses in order to make prudent business
decisions, and report to City officials, as needed, regarding the status of utility operations.
POLICY 3.3 The City shall require that developers evaluate off -site storm drainage systems, consider
improvements needed to serve new development, and construct identified improvements
prior to or simultaneously with such development.
POLICY 3.4 The City shall continue to prioritize asset management as a business practice and use it
to plan for preventative maintenance, predict system depreciation and replacement
costs, prioritize inspections for condition status to inform system risk, and prepare to
minimize the occurrence and impact of system failures.
POLICY 3.5 The City will monitor capital project implementation by tracking schedule, budget
accuracy, and overall efficiency.
POLICY 3.6 Consider replacing or upgrading storm facilities to current standards in the ROW
whenever a street is to be substantially reconstructed or other significant utility work is to
be completed, especially when storm improvements are specifically identified in the Plan.
In addition, consider street and other utility improvement needs when replacing or
upgrading storm facilities.
POLICY 3.7 Pursue opportunities to secure grants and other revenue partnerships to fund storm
drainage program needs.
POLICY 3.8 The utility will not accept nonstandard, powered, or private facilities for ownership,
operation, or maintenance by the utility.
3.2.4 Environment and Regional Coordination
Goal 4: Work to protect the natural environment within the City and contribute to the preservation of
natural resources throughout the region.
POLICY 4.1 The Storm Drainage Utility shall work with other jurisdictions and agencies to address
regional water quality issues.
POLICY 4.2 The City shall comply with all federal, state, and local regulations pertaining to
stormwater management, facility maintenance, and pollution control.
POLICY 4.3 The City shall promote policies that preserve existing native vegetation and natural
drainage courses while maintaining their conveyance capacity.
POLICY 4.4 Environmental issues, such as water quality and fish habitat protection, shall be
considered in all new development applications and new storm drainage improvements.
This policy includes consideration of new and emerging concerns, such as the chemical
6PPD-quinone in street runoff and the effects of climate change on stream temperatures.
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Draft Comprehensive Storm Drainage Plan Update
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POLICY 4.5 The City shall seek to minimize impacts to natural river systems by encouraging
pretreatment of surface flows from new development and reintroduction into
groundwater, where feasible.
POLICY 4.6 The City shall seek opportunities, where feasible, to reintroduce treated urban runoff
back into the groundwater system as new development and redevelopment occurs in
order to minimize urbanization impacts to the hydrology of natural river systems.
POLICY 4.7 The City shall evaluate the feasibility of improving the water quality of its existing
discharges into river systems.
POLICY 4.8 The City shall seek to comply with all federal, state, and local regulations to reduce runoff
volumes and pollutant loads associated with new development and redevelopment.
POLICY 4.9 The City shall seek to prevent erosion and landslides related to construction, operation,
and maintenance of the publicly owned drainage system.
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4. Drainage System
Chapter 4 develops a future work plan to collect and organize information describing the current
conditions of the storm drainage system, which provides the basis for investigations (Chapter 5)
designed to evaluate the Storm Drainage Utility performance relative to the system goals. This
chapter provides an overview of the City's drainage system, including both natural (Section 4.1) and
constructed (Section 4.2) drainage elements. It also summarizes key factors related to the storm
drainage system, namely critical facilities (Section 4.3) and water quality (Section 4.4), and existing
issues facing the Storm Drainage Utility (Section 4.5).
Figures presented in this chapter consist of several maps of the Storm Drainage Utility service,
drainage and surrounding areas.
4.1 Natural Drainage
The City of Auburn encompasses approximately 30 square miles; the central portion of the City lies
along the bottom of a valley, while the outer edges of the City extend into the surrounding hills (see
Figure 4-1). In general, stormwater runoff from the City flows to one of three major receiving waters:
the Green River, the White River, and Mill Creek. Other notable water features in the Auburn area
include the following:
■ Big Soos Creek, which drains southeast into the Green River.
■ Soosette Creek (also known as Little Soos Creek), which drains south into Big Soos Creek.
■ Mullen Slough, which drains along the northwest side of Mill Creek toward the Green River.
■ Bowman Creek, which drains north into the White River.
■ Olson Creek, which drains west into the Green River.
■ Lake Tapps, which is located just south of the City.
■ White Lake, which is located southeast of R Street SE and State Route (SR) 18.
■ Coal Creek Springs, which drains north to the White River.
The City contains nearly 30 miles of rivers and streams and more than 1,000 acres of floodplain
area associated with these water features. There are over 1,500 acres of wetlands, including
forested/shrub and freshwater emergent wetlands.
The following section provides additional information on each of the three major receiving waters.
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COMPREHENSIVE STORM DRAINAGE PLAN
May 2024 N /'/ Figure 4.1
aao ae o .r A�j�wi Natural Drainage Features
U lJ [tjv pa / of the City of Auburn
1 S9,1D1 � W�{HIN[iTl1N
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City of Auburn
4.1.1 Receiving Waters
4.1.1.1 Green River
The Green River flows over 93 miles, beginning on the west slope of the Cascade mountains and
ending in the Duwamish Waterway, meandering through the northeast portion of Auburn along the
east valley wall. Throughout the last century, the Green River was altered for the purpose of flood
control, including the construction of levees and bank revetments and the diversion of the White
River in the early 1900s. In 1962, the Howard A. Hanson Dam was built on the Green River to control
flooding in the valley.
From 1960 to 2007, the City of Auburn participated in Green River flood management activities as
part of the Green River Flood Control District. In 2007, the Green River Flood Control District was
phased out because flood control and management efforts for the Green River are now included in
the King County Flood Control District (KCFCD), which was established in 2007. These efforts are
reflected in the 2006 King County Flood Hazard Management Plan. The KCFCD goals and objectives
include maintaining and repairing levees and revetments and acquiring at -risk floodplain properties.
Auburn elected officials and staff serve on advisory committees for the KCFCD.
4.1.1.2 White River
The White River originates on the slopes of Mount Rainier and flows generally northward and
westward into the Puget Sound lowlands. Near Auburn, the White River flows north and then west
through the southern portions of the City before it curves southward toward the Puyallup River. The
White River is a very dynamic, sediment -laden river, which has led to changing channel morphology.
Prior to 1900, the White River flowed into the Green-Duwamish River; however, floodwaters from the
White River drained to both the Green-Duwamish River and the Puyallup River. A flood in 1906
caused the White River to shift and flow into the old Stuck River channel, which leads to the Puyallup
River. In 1907, a diversion wall was constructed in Game Farm Park to permanently direct the White
River flow into the Puyallup River (USACE 2009a).
The shifting of floodwaters from the White River caused inter -jurisdictional conflicts between King
and Pierce Counties. After attempts by the two counties to control flooding along the White River met
with limited success, the U.S. Army Corps of Engineers (USACE) was engaged for help. In 1948, the
USACE finished construction of the Mud Mountain Dam to control floods on the White River.
At the time Mud Mountain Dam was finished, White River channel capacity in Auburn was estimated
to be 20,000 cubic feet per second. Since then, vegetation encroachment and sediment
accumulation have reduced channel capacity (USACE 2009a). Reduced channel capacity causes
higher river levels during large storm events, which can impact the City's gravity drainage outfalls
along the White River.
4.1.1.3 Mill Creek
Mill Creek flows out of the hills on the west side of the valley near SR 18 and then turns northward
along the western portion of the City, running adjacent to SR 167. It crosses under SR 167 several
times as it flows through the valley floor. Approximately 1 mile north of the City boundary, Mill Creek
discharges into the Green River.
Historically, Mill Creek served as vital habitat for migrating salmon and provided ideal conditions for
rearing and storm refuge. However, increasing development has altered the natural flow pattern of
Mill Creek, including the installation of diversions and culverts, channel straightening, degradation of
water quality, and aggradation from increased stormwater inflows with high sediment loads. In many
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City of Auburn
areas the stream is straight and shallow and exhibits a lack of quality riparian habitat for
Endangered Species Act (ESA) -listed species such as Chinook salmon and bull trout (USACE 2009b).
Aggradation along Mill Creek has also contributed to flooding and drainage problems in the City. The
City's drainage outfalls to Mill Creek can become submerged, thereby reducing the hydraulic capacity
of the system.
4.1.2 Drainage Areas
The City's drainage can be described by dividing the City into six general subareas and their
discharge location (Figure 4-2):
■ Lea Hill lies northeast of the Green River. Most of the Lea Hill area drains west into the Green
River. However, the eastern edge drains south and east out of the City into Soosette Creek
and Big Soos Creek.
■ West Hill lies west of Mill Creek. The West Hill area drains into several small tributaries to Mill
Creek. The northern portion of West Hill drains to the northeast into steep ravines that
discharge to Mullen Slough and other wetland areas on the valley floor.
■ The southern portion of the City drains to the White River. The area west of Bowman Creek
consists largely of single family residential developments, which drain to the White River to
the west and north and Bowman Creek to the east, with a small portion draining south
toward Lake Tapps. The area east of Bowman Creek consists of rural residential
development. This area drains to Bowman Creek on the southwest and the White River on
the northeast side.
■ The southeast portion of the City lies along a narrow plateau between the Green and White
Rivers. Runoff from this area drains to the Green River along the north side and the White
River along the south side.
■ The north central portion of the City lies along the valley floor and is located north of
27th Street SE. This is part of the central and most developed area of the City. The
topography in this area is so flat that roadways and storm drainage infrastructure largely
determine the receiving water to which runoff is diverted. Runoff from this area is generally
split between Mill Creek and the Green River.
■ The south central portion of the City also lies along the valley floor and is located south of
27th Street SE. This area is also part of the most developed area of the City. The topography
in this area is so flat that roadways and storm drainage infrastructure largely determine the
receiving water to which runoff is directed. This area features extensive infiltration into
groundwater, but otherwise drains toward the White River.
The above -described areas can be divided into smaller drainage subbasins. The City maintains a
mapping of the storm drainage basins and subbasins, with a total of 59 drainage subbasins. Each
subbasin is identified by a series of one, two, or three letters (Figure 4-2).
August 2024 1 553-1931-052 4-4
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COMPREHENSIVE STOIUI DRMNAOE PLAN
May 2024 N
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Page 51 of 769
Draft Comprehensive Storm Drainage Plan Update
City of Auburn
4.1.3 Geology and Groundwater
Topography and geology in the Auburn region has been influenced largely by millions of years of
advancing and retreating glaciers, most recently with the Vashon glaciation occurring approximately
12,000 to 18,000 years ago (Booth 1991). Following the retreat of the glacier, interglacial
processes, such as landslides, mudflows, erosion, and alluvial deposition, have continued to shape
the region. In general, the upland hills around the City's periphery comprise glacial and interglacial
deposits, while the valley is filled with more recent deposits overlying glacial and older
interglacial deposits.
Major geologic units of the White and Green River valley include undifferentiated glacial and
interglacial deposits, Vashon recessional deltaic deposits, undifferentiated alluvium, Osceola
mudflow, and White River alluvium. The undifferentiated glacial and interglacial deposits form the
lowest layer in the valley consist of materials deposited during the glacial periods. As the glacier
retreated, meltwater flowed into a water -filled embayment then occupying the present White and
Green River valley area. This meltwater deposited sand and gravel known as the Vashon recessional
deltaic deposits. After the end of the glacial period, the Green River deposited undifferentiated
alluvium in the valley because of erosion of upland glacial deposits. Approximately 5,700 years ago,
a massive volcanic mudflow from Mount Rainier, known as the Osceola mudflow, flowed down into
the valley (Troost and Booth 2008). White River alluvium is the geologic unit nearest the surface and
consists of alluvial deposits from the White and Green Rivers.
Bedrock is found approximately 1,280 feet beneath the valley floor. Surficial geologic mapping of the
Auburn region is shown in Figure 4-3.
In general, groundwater flow systems in the Auburn area are characterized by upland recharge
flowing toward the valley. The two major aquifers in the White and Green River valley are the modern
alluvium aquifer and a deep deltaic valley aquifer; the latter is used for Auburn's water supply. The
modern alluvium aquifer is the shallowest aquifer in the Auburn -Kent Valley, often lying 10 to 15 feet
below the ground surface. Groundwater in the deep deltaic valley generally flows in a pattern parallel
to the direction of the Green River in the north and the White River in the south.
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LEGEND
Watercourse
Water Body
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Surflclal Geology
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COMPREHENSIVE STORM DRAINAGE PLAN
May 2024
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Or
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Qta
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Qpd
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Qpt
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Qpu
Continental glacial oulvash, Fraser -age
QQp
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QBYIU
Continental glacial drift, pre -Frasier, Salmon Springs Drift
Qii
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Qii
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Qyr
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At R � t ^ N Surface Geology e
1 fL the Vicinity of the
City of Auburn
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Draft Comprehensive Storm Drainage Plan Update
City of Auburn
4.1.4 Soils and Runoff Potential
Surface soils are classified by the Natural Resources Conservation Service (NRCS) into four
hydrologic soil groups based on the soil's runoff potential: A, B, C, and D. Group A soils generally
have the lowest runoff potential while Group D soils have the highest. Hydrologic soil groups are
defined by NRCS (1986) as follows:
■ Group A is sand, loamy sand, or sandy loam types of soils. It has low runoff potential and high
infiltration rates, even when thoroughly wetted. It consists chiefly of deep, well- to excessively
drained sands or gravels and has a high rate of water transmission.
■ Group B is silt loam or loam. It has a moderate infiltration rate when thoroughly wetted and
consists chiefly of moderately deep to deep, moderately well- to well -drained soils with
moderately fine to moderately coarse textures.
■ Group C is sandy clay loam. It has low infiltration rates when thoroughly wetted and consists
chiefly of soils with a layer that impedes downward movement of water and soils with
moderately fine to fine structure.
■ Group D is clay loam, silty clay loam, sandy clay, silty clay, or clay. It has very low infiltration
rates when thoroughly wetted and consists chiefly of clay soils with a high swelling potential,
soils with a permanent high water table, soils with a claypan or clay layer at or near the
surface, and shallow soils over nearly impervious material.
Areas in the valley floor is mostly Group D soils, which typically have very low infiltration rates and
high runoff potential. The West Hill, Lea Hill, and Lakeland Hills areas are predominantly Group C
soils, which have low infiltration rates and moderate to high runoff potential. The Southeast area,
Bowman Creek area, and valley area located generally between SR 18 and the White River have
Group A soils, which are characterized by high infiltration rates and low runoff potential. See the
NRCS maps (http://www.nres.usda.gov/) for mapped soils within the City.
4.1.5 Land Use and Development
Land use and the intensity of development have considerable effects on the quality and quantity of
stormwater runoff flowing into the drainage system and ultimately discharging to receiving waters. As
the population of the City increases, new areas of the City are developed or existing areas are
redeveloped at a higher density. These changes can result in increased stormwater runoff and
greater water quality impacts to water bodies. However, development regulations and drainage
design standards imposed by the City are intended to mitigate these impacts. The following sections
describe expected growth and how development regulations and design standards are being
updated to reduce impacts to stormwater runoff.
4.1.5.1 Recent Growth
Auburn's population has steadily increased since the 195Os. Auburn's population increased by an
average of 8% per year from 1960 to 1980, then slowed to approximately 1.7% per year from 1980
to 1994. Auburn's population growth rate began to increase in 1998 and continued as the City
annexed new areas, known locally as the Lea Hill, West Hill, and Lakeland Hills areas. The larger Lea
Hill area annexations began in 2000 and continued to 2024. The West Hill area was annexed in
2007, while the Lakeland Hills area annexations occurred between 1998 and 2005. As of 2010, the
population of Auburn increased to 70,180 and increased to 86,340 by 2020. The Washington State
Office of Financial Management indicates that Auburn's population in 2023 was approximately
88,820 (approximately 78,760 in King County and 10,060 in Pierce County).
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4.1.5.2 Future Growth
The City's goals, objectives, and policies for growth and development are described in detail in the
2025 Comprehensive Plan. These goals, objectives, and policies are applied to different areas of the
City through land use designations (see Figure 4-4). The City also has developed special land use
plans for certain areas of the City where specific land use goals have been identified. An important
example is the City's downtown area; one of the goals described in the Comprehensive Plan is to
encourage development and redevelopment in the downtown area to serve as an urban center for
the community.
4.1.5.3 Development Regulations and Drainage Design Standards
The City implements state and federal stormwater regulations through the stormwater code, the COA
Supplement, and related stormwater management programs and policies. City stormwater
regulations contain specific requirements for managing stormwater quality and quantity in areas
subject to new development and redevelopment. For example, the SWMMWW provides guidance for
implementing low impact development (LID) measures that are designed both to improve water
quality and to control peak flows and durations of runoff. The City reviews and updates its local
development regulations and design standards as necessary to meet the NPDES MS4 permit
requirements. The COA Supplement was last updated in 2022.
City stormwater regulations and development standards are intended to avoid substantial increases
in stormwater discharges to the existing drainage system through the implementation of on -site
stormwater controls. This would keep stormwater conveyance demands at or near existing levels.
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I
_ NN�Illlp `
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up
Draft Comprehensive Storm Drainage Plan Update
City of Auburn
4.1.6 Flood Hazard Mapping
The City of Auburn is a participant in the National Flood Insurance Program (NFIP) administered
through the Federal Emergency Management Agency (FEMA) to enable property owners to purchase
insurance protection from the government against losses from flooding. Participation in the NFIP is
based on an agreement between the City and the federal government, stating that if the City adopts
and enforces a floodplain management ordinance to reduce future flood risks to new construction in
areas designated as Special Flood Hazard Areas (SFHA), the federal government will make flood
insurance available within the community as a financial protection against flood losses. The SFHAs
and other risk premium zones applicable to each participating community are depicted on Flood
Insurance Rate Maps (FIRMS).
FEMA established flood hazard zones from a Flood Insurance Study (FIS) for King County conducted
in 2013, which examined flooding along several major rivers. Although the primary purpose of the
FIS was to establish flood insurance rates, the flood mapping resulting from these studies is also
used for floodplain management and flood hazard mitigation planning. Updates to the flood hazard
zones are continually being made at local levels (King County and Pierce County) and represented in
Preliminary FIRMS or Letters of Map Revision (LOMR). Preliminary FIRMS for all of King County were
reissued on August 19, 2020. The most recent flood hazard mapping for Pierce County is presented
in its Rivers Flood Hazard Management Plan adopted in 2023 and also in LOMR files located on the
FEMA Map Service Center Web page (Pierce County 2023). Table 4-1 lists the FIRMS developed for
areas within the City of Auburn.
Table 4-1. Federal Emergency Management Agency Flood Insurance Rate Maps Applicable to Auburn
53033CINDIB 53033CIND2B 53033C1232G 53033C1235G
53033C1242G 53033C1251G 53033C1252G 53033C1253G
53033C1254G 53033C1257G
53033C1262G 53033C1263G
53033C1267G 53033C1268G
53033C1477F
53033C1259G 53033C1261G
53033C1264G 53033C1266G
53033C1269G 53033C1476F
4.1.7 Recent Climate and Precipitation Trends
Auburn's climate is typical of that in the Puget Sound lowlands of Western Washington, where the
summers are cool and comparatively dry, while the winters are mild, wet, and cloudy (WRCC 2014).
Mean annual precipitation in the Puget Sound lowlands varies from 32 inches (north Seattle) to
approximately 47 inches (near Centralia, Washington).
The precipitation gauge at Auburn City Hall has been recording data since 1995. The mean annual
precipitation recorded at that gauge (with missing data filled in from the nearby King County
Lakeland Hills gauge) from 2015 to 2022 was approximately 39 inches. This is very similar to the
mean annual precipitation recorded at the two nearest long-term gauges:
■ Seattle -Tacoma Airport, which is part of the National Oceanic and Atmospheric
Administration (NOAA) Cooperative Network (Station 457473), has a mean annual
precipitation of approximately 38 inches based on 74 years of recorded data (WRCC 2O14b).
The Seattle -Tacoma Airport gauge is located approximately 8 miles northwest of Auburn.
■ Kent, Washington (NOAA Co-op Station 454169) has a mean annual precipitation of
approximately 39 inches based on 57 years of recorded data (WRCC 2O14c). The Kent gauge
is located approximately 7 miles north of Auburn.
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Precipitation -frequency data for Washington are compiled in Volume 9 of NOAA Atlas 2 (Miller et
al. 1973): precipitation -frequency estimates for Auburn, Washington, are listed in Table 4-2.
Table 4-2. Precipitation Frequency Data for Auburn, Washington, from NOAA Atlas 2
Frequency, duration Precipitation (inches)
2-year, 6-hour
0.95
2-year, 24-hour
1.75
100-year, 6-hour
1-90
100-year, 24-hour
3.80
4.1.8 Anticipated Changes in Climate
Changing climate will continue to be a key factor in the performance, operation, maintenance, and
design of the City's stormwater system. According to the publication, Climate Change Impacts and
Adaptation in Washington State, the state is projected to experience decreases in snowpack,
increases in stream temperatures, changes in stream base flow, increased frequency of high rainfall
intensity and magnitude, and changes in peak stormwater runoff, streamflow, and flooding
frequency (Snover et al. 2013). This section provides an assessment and strategy for the City to
address future changes and effects to the storm sewer and flood management systems while
considering the range of uncertain climate projections.
The available information on future climate conditions will help guide decisions and investments,
avert impending impacts on stormwater programs from climate change, and enhance the
effectiveness and resilience of stormwater systems in the face of environmental uncertainties.
Assessing future climate impact magnitude, risk, and uncertainty are critical to making appropriate
decisions about physical attributes (size, location, elevation, capacity) and performance (service
levels, acceptable impacts, failure scenarios) for stormwater programs.
The following future climate conditions are potentially impactful to the City's stormwater programs:
■ Precipitation: Projected changes in precipitation show evidence for increased frequency of
intense, large, or persistent rains in the future, mostly in the winter storm season. These
increases could exceed the existing level of performance in the City's stormwater system.
■ System performance and flooding: Increased frequency of larger or more intense storms
could lead to increased stormwater runoff and thus more frequent flooding of existing storm
drainage systems in the City. Pumped or other operated systems are typically more
vulnerable to changing storms.
■ River and stream flooding: Increased frequency of larger and longer duration storms could
lead to increased local stream and river flooding, increased stages over known or mapped
floodplains, and different flood control operations on the White and Green River dams.
■ Groundwater: More frequent storms of higher magnitude have the potential for increased
infiltration and thus rising groundwater table. This should be a consideration in infiltration
facility design, subsurface excavations, and installation of stormwater structures such
as vaults.
■ High temperature: Average and extreme high temperatures in Auburn are expected to be
higher in the future, causing effects like higher summer surface water temperatures that can
be harmful to aquatic life and fisheries.
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4.1.8.1 Uncertainty and Risk Management
Addressing uncertainty in climate projections is an important aspect of climate research. Since
future outcomes in climate conditions heavily rely on human activities and the Earth's climate
system is extraordinarily complex, global climate models have an amount of uncertainty. All future
climactic conditions are projections, not predictions. Ongoing research aims to reduce uncertainties
by improving climate models, refining data collection methods, and enhancing our understanding of
the Earth's climate system and its interactions with human activities.
When possible, this section uses locally refined, dynamic data to inform potential future climate
scenarios. Because uncertainty is inherent in projections of climate change, the likelihood of a range
of possibilities are presented.
Stormwater management is a risk -based practice, which means that standards are typically based
on the likelihood or probability that an event will occur, and the level of protection needed is related
to that possibility. Consequently, the approaches to applying recommendations in part consider the
coincident events (e.g., sea level rise ranges plus event probability) with expected performance. No
"reasonable" or applicable stormwater standards can apply to all possible events or outcomes, and
extremes can exceed system capacity. An important consideration that is a core practice when
establishing storm system criteria is to consider the consequences of failure, because all systems
(unless designed for the probable maximum flood) can fail in any year.
4.1.8.2 Precipitation Projections
According to climate models, the region's average precipitation is expected to undergo minimal
changes (Hegewisch et al. 2023). Figure 4-5 illustrates the projected alterations in average
precipitation for two climate scenarios: Representation Concentration Pathway (RCP) 4.5 (low end)
and RCP 8.5 (high end). When examining individual seasons, we observe a slight increase in total
precipitation during the winter, an almost negligible loss of precipitation in the summer, a slight
increase in precipitation in the fall, and a slight decrease in precipitation in the spring.
40
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Average Winter
Precipitation
s Average Summer
Precipitation
0
2000 2020 2040 2060 2080 2100
Year
Modified from Hegewisch et al. 2023.
Figure 4-5. Projected Change in Average Precipitation for Seattle, Washington.
August 2024 1553-1931-052 4-13
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Although the City is not predicted to see a significant increase in overall precipitation, climate models
predict an increase in the intensity of precipitation, specifically during the winter months. Heavy rain
events in the Pacific Northwest are often caused by atmospheric rivers, where long, narrow regions
of concentrated moisture are carried from lower latitudes (Morgan et al. 2021). Intensification of
atmospheric rivers is projected to cause an increase in extreme winter precipitation frequency.
Figure 4-6 outlines the anticipated percentage change in extreme heavy rain events in SeaTac,
Washington. The figure shows predicted changes in short duration storms (1 hour) across different
return frequencies (ranging from 2 to 100 years) during the entire water year, as well as individual
seasons (winter, spring, summer, and fall) for the 2080s (spanning from 2070 to 2099) relative to
1970 to 1999. Key details are summarized below:
■ Projection scope: The total projection includes all precipitation occurring in a season or
water year.
■ Return frequencies: The 2- to 100-year return frequency projections represent the high- and
low -end extremes, estimated based on only the largest value in each year.
■ Measurement: All 2080 projections are expressed as the percent change in 1-hour
precipitation depth relative to the climate normal period from 1970 to 1999, following the
convention established by NOAA.
■ Climate scenarios: The results are based on two greenhouse gas scenarios: RCP 8.5 (high
end) and RCP 4.5 (low end).
■ Data presentation: The data is organized by water year, season, total annual precipitation,
and extremity.
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Mar -May
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Storm Return Interval by Season
'Green circles indicate model average, red diamonds represent the high model results,red circles represent the low model
Modified from Mauger et al. 2019
Figure 4-6. Projected Changes in 1-Hour Precipitation Statistics for the 2080s vs. 1970-1999
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Draft Comprehensive Storm Drainage Plan Update
City of Auburn
4.1.8.3 Implications
The increase in precipitation intensity will have several key implications or risks to the stormwater
system. More frequent and intense winter storms are likely to exceed the capacity of the stormwater
system more often than current conditions.
Impact
Stormwater structures are sized to meet system LOS objectives, considering the anticipated
frequency of storm events. Historical rainfall data are collected and characterized by intensity (e.g.,
inches of rain per minute or hour) or magnitude over a certain time period (e.g., X-inches in 24
hours). The design storms are usually described in the likelihood of exceeding a certain depth. For
instance, a 4% chance of occurrence may also be described by the "average" frequency of
occurrence for that duration, such as a 25-year, 24-hour event (for a 4% exceedance event).
Future rainfall patterns are predicted to deviate from historic norms. Note that storms are not
"increasing in size" (larger storms are possible any time without climate change), but rather the
frequency of larger events is greater. For example, if a 3-inch, 24-hour storm has occurred every
25 years in the recent past, climate change can cause a 3-inch storm to occur more frequently in the
future. The new 25-year, 24-hour storm could be 3.5 inches of rain or more at the same potential
frequency. Storm intensity (the rate of rainfall depth per unit of time) follows the same pattern —the
same extreme rates are more frequent.
For example, when a storm system is designed to convey water away from a roadway for a 25-year,
24-hour event, we assume that the system may fail, on average, once every 25 years. We accept this
failure level because the impact may be modest and the cost of providing additional protection is
high. However, with more frequent events of the same size, flooding could happen every 10 to
15 years, which may not be tolerable for safety, system disruption, or property damage.
Consequently, returning to the same LOS would require a new drainage system to provide the same
frequency of performance. However, floods could still occur that exceed that LOS. If a higher LOS is
desired, careful consideration of a new, future design storm becomes necessary.
4.2 Stormwater Drainage Infrastructure
As part of the implementation of the City's NPDES MS4 permit, the City embarked on a substantial
effort to update its inventory of drainage system infrastructure owned or operated by the Storm
Drainage Utility. The citywide inventory is completed, but continued maintenance and new features
will be ongoing. An up-to-date system inventory will assist the City in the following objectives:
■ Help to meet regulatory requirements.
■ Provide input for hydraulic models to analyze system conveyance capacity.
■ Serve as a basis for an asset criticality database used to prioritize repair and replacement
(R&R) activities.
■ Support the City's M&O activities through the CMMS.
Table 4-3 provides a summary of stormwater infrastructure inventory.
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Draft Comprehensive Storm Drainage Plan Update
City of Auburn
Table 4-3. Stormwater Drainage Infrastructure Summary
Infrastructure element Quantity a Unit
Pipes, all sizes
Pipes, all sizes (excluding force mains)
6-10 in. diameter
12-15 in. diameter
16-18 in. diameter
21-24 in. diameter
27-36 in. diameter
42-48 in. diameter
54-72 in. diameter
Force mains
Open channels
Culverts
Manholes
Catch basins
Control structures
Outfalls (to water courses, ditches, etc.)
Detention ponds
Infiltration ponds
Vaults
Pump stations
1,310,937
15,259
3,361
215,900
8,822
698,000
1.480
165,600
858
106,500
548
85.200
173
37.200
17
2.300
35
4.400
222,000 b
1,164
3,172
10.800
223
124
156
14
8
7
Linear feet
Count
Count
Linear feet
Count
Linear feet
Count
Linear feet
Count
Linear feet
Cou nt
Linear feet
Cou nt
Linear feet
Cou nt
Linear feet
Cou nt
Linear feet
Linear feet
Count
Count
Cou nt
Count
Count
Count
Count
Count
Count
a. Quantities are based on current inventory and have not yet been finalized.
b. Length has been approximated based on available data.
Most storm drainage infrastructure is in the City's core between Mill Creek and the Green River,
where development densities are highest. Figure 4-7 shows an overview of the City's stormwater
drainage infrastructure.
August 2024 1553-1931-052 4-16
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Q: MPRERENWE STORM DRAINAGE PLAN
May 2024 N Figure 4.7
U ,- I= Al l R[ 1 R N Drainage Infrastructure for
r A the City of Auburn
Storm Drainage Utility
Page 63 of 769
Draft Comprehensive Storm Drainage Plan Update
City of Auburn
4.3 Critical Facilities
Policies and system goals for managing the City's critical facilities and critical stormwater assets are
described in Chapter 3, Section 3.2. Two groups of system goals and policies in particular focus on
criticality. The first applies to critical facilities, stating that the City will manage stormwater runoff
within the public ROW in the vicinity of critical facilities to allow access and ensure function of these
facilities at all times (Policy 1.2). Ten critical facilities have been identified and included in Table 4-4
The second group of policies relates to the management of the City's critical stormwater assets
(Policies 1.4, 1.6, 2.4, 2.5, and 3.4). The City will modify its inspection and maintenance practices to
prioritize active management of facilities with the highest combined risk and likelihood of failure
(i.e., a criticality based maintenance program). Factors that impact likelihood of failure include the
age of the asset, inspection or repair history of the asset, and condition of the asset. The
consequences of a system failure impacting a hospital or school are considered more serious than
one affecting a residence or unoccupied property and are thus assigned as critical assets. The City
has identified 10 City facilities (Table 4-4) and seven stormwater pump stations (Table 4-5) as critical
assets. The list of critical stormwater assets may expand as the City refines its criticality database by
adding information (e.g., inspection and repair logs, asset age; see Policy 1.6). The locations of these
critical facilities are shown in Figure 4-8.
Table 4-4. Critical City Facilities
Facility Address
City Hall 25 W Main Street
City Hall Annex
1 E Main Street
Justice Center
340 E Main Street
Maintenance and Operation Facility
1305 C Street SW
Regional Hospital
201 N Division Street
Valley Regional Fire Authority (VRFA) Station 31
1101 D Street NE
VRFA Station 32
1951 R Street SE
VRFA Station 33
500 182nd Avenue E
VRFA Station 34
31290 124th Avenue SE
VRFA Station 35
2905 C Street SW
Table 4-5. Critical Stormwater Facilities
Storm drainage facility Year constructed Address
A Street Pump Station
Auburn Way S Pump Station
Brannan Park Pump Station
Emerald Park Pump Station
M Street Pump Station
West Main Street Pump Station
White River Pump Station
1973
1994
2001
1999
2014
2008
2012
404 A Street SE
405 Auburn Way S
1302 30th Street N E
499 42nd Street NE
410 M Street SE
1410 W Main Street
4640 A Street SE
August 2024 1 553-1931-052 4-18
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Page 65 of 769
Draft Comprehensive Storm Drainage Plan Update
City of Auburn
4.4 Water Quality
This section describes the existing water quality and regulatory conditions that affect surface water
quality in Auburn and describes processes that are required to maintain compliance with the City's
NPDES MS4 permit.
4.4.1 Existing Conditions
According to water resource inventories by Ecology, the main water bodies within the City's
administrative boundaries include the Green River, Mill Creek, White Lake, White River, Bowman
Creek, and Soosette Creek. Municipal storm sewers that discharge runoff to surface waters are not
authorized to violate state water quality standards.
Appendix 2 of the NPDES MS4 permit (Appendix A of this Plan) describes water bodies that are
impaired and have additional requirements based on established TMDLs. A fecal coliform TMDL for
the Puyallup River watershed is included in the current NPDES MS4 permit. As part of the TMDL,
Ecology has designated the basin as a high -priority basin for IDDE screenings. Details of the required
activities are included in Appendix 2 to the NPDES MS4 permit.
The Green River has a TMDL for temperature that was approved by EPA in 2011. The TMDL report
indicated a cumulative waste load allocation was developed for all the municipal stormwater
permittees. However, the TMDL did not contain any additional TMDL-related actions for stormwater
permittees (Ecology 2011).
Other TMDLs under development include the lower White River pH TMDL and the Soos Creek
subbasin multiparameter (temperature, dissolved oxygen, bacteria, and fine sediment) TMDL,
described in the following paragraphs.
The lower White River pH TMDL was approved by EPA on January 13, 2023, and additional
stormwater actions are listed in the public comment draft of the 2024-2029 NPDES MS4 permit.
These include outfall and tributary conveyance mapping, monthly IDDE screening for flow in the
critical period of May 1 to October 31, soluble reactive phosphorus (SRP) testing of flow from outfalls
in the watershed during the critical period under certain sampling conditions (preceding
precipitation, stormwater flow, and river flow), and source control tracing for any flow with SRP
values that exceed the specified limits. Phosphorus treatment BMPs for new development and
redevelopment will be required in the watershed no later than June 30, 2027.
The Soos Creek TMDL is not expected to be complete in time for the 2024-2029 Municipal
Stormwater Permit. The temperature, dissolved oxygen, and bacteria TMDL is expected to be
finalized in 2026. The fine sediment portion has become a separate TMDL and development of the
draft implementation plan began in 2023. The impairments in this TMDL have been identified as fine
sediment, high peak flows during storm events, and issues related to habitat degradation.
Other waterbodies listed as impaired on the Ecology water quality map include Mill Creek for bacteria
(fecal coliform and e. coli), dissolved oxygen, pH, and benthic macro invertebrates; Bowman Creek
for dissolved oxygen, temperature, and fecal coliform; and Olson Creek for benthic
macroinvertebrates. These impairments will be addressed through future TMDLs.
4.4.2 Regulatory Compliance
The City has a well -developed MS4 M&O program that employs and provides training on numerous
processes and procedures to minimize water quality impacts from municipal operations. The City
also actively implements stormwater management BMPs in its municipal activities. BMPs include
activities, prohibitions of practices, maintenance procedures, and structural and/or managerial
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Draft Comprehensive Storm Drainage Plan Update
City of Auburn
practices that prevent or reduce the release of pollutants and other adverse impacts to waters of
Washington State.
The current NPDES MS4 permit includes provisions for monitoring and assessment of water quality.
Permittees have the option of paying annual fees to participate in statewide monitoring programs or
developing individual monitoring programs to meet the requirement. The City notified Ecology in
2013 that it intends to participate in the statewide monitoring programs and has continued
contributing the required funds every year since.
The City is in full compliance with its NPDES MS4 permit, with programs, codes, processes, and
procedures that meet all of the requirements currently in effect. The City's SWMP Plan contains a
summary of the NPDES MS4 permit requirements and descriptions of the City's current and planned
activities for permit compliance.
The City will continue to make sundry changes to comply with updated requirements of the NPDES
MS4 permit that phase in during the permit term. The City is conducting a process to identify and
implement needed updates to codes, standards, and programs by the relevant due dates.
A schedule of relevant due dates to comply with updated NPDES MS4 permit requirements is
provided in Chapter 8, Figure 8-2.
4.5 Existing Drainage Problems
Members of the City staff working within the Storm Drainage Utility are experienced and familiar with
the condition of the drainage system. Existing drainage problems have been observed by the staff
and are known to cause frequent flooding of roadways. The most apparent problems were identified
for analysis (see Hydraulic Evaluation, Section 5.1). Existing drainage problems are described in
Table 4-6 and locations are mapped in Figure 4-9. Problems were evaluated for potential inclusion in
the capital improvement plan. CIPs developed to address these problems are described in
Chapter 7.
Table 4-6. Existing Drainage Problems
Approximate
frequency or last
No. Priority Location Description noted occurrence
West Main The dead-end portion of Old West Main Street near State
Street dead end Route (SR) 167 has a history of observed flooding. The
near SR 167 City installed a temporary pump station to dewater the
gravity pipe flowing on the south side of Old West Main
Street in an effort to protect local businesses from
flooding. Since its installation in 2008, the pump station
has eliminated flooding at the observed location. The
pump station. however, does not meet the City's level of
service guidelines regarding pump redundancy and may
be insufficient to convey the 25-year flow rate.
The City's gravity pipe on the north side of Old West Main
Street experiences flooding at one catch basin
approximately once per year. High water persists even in
summer months.
The pump station and gravity pipe discharge to a
Washington State Department of Transportation ditch
along the east side of SR 167.
2 2 Auburn Way Auburn Way South/SR 18 Underpass - minor roadway
South flooding causes disruptions to traffic during periods of
intense rainfall.
August 2024 1 553-1931-052
Catch basin flooding
once per year and
system surcharging
Every few years
4-21
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City of Auburn
Table 4-6. Existing Drainage Problems (continued)
Approximate
frequency or last
No. Priority Location
Description
noted occurrence
3 3 1 St NE
The area between 33rd Street NE and 35th Street NE on
Every few years
the east side of I Street NE has reoccurring flooding when
the river level is high.
4 2 Auburn Way
Two existing stormwater pumping stations are reliant on
South and
portable emergency power. increasing workflow and
A Street Pump
reducing system reliability at time of need.
Stations
Storm Pipeline There are areas within the City not served by the public
Extensiona storm system, such as paved alleys and residential
streets where roadwork is not anticipated.
a Drainage problem 5, Storm Pipeline Extension. is not depicted in Figure 4-9 because it applies to multiple areas across the City and
does not pertain to a specific location.
August 2024 1553-1931-052 4-22
Page 68 of 769
August 2024 not V c vnm unn�ru�uc rv�ry N
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Page 69 of 769
Draft Comprehensive Storm Drainage Plan Update
City of Aubum
5. Evaluation of the Storm Drainage Utility
This chapter presents analyses conducted to evaluate the Storm Drainage Utility and identify gaps
between existing service levels and the system goals described in Section 3.2. The followingtypes of
evaluations were completed to identify Storm Drainage Utility future activities to address the range of
system goals:
■ Existing system deficiency and future service area expansion: Identified existing system
deficiencies and future service areas in Chapter 4 and considered them in developing the
capital improvement plan (Chapter 7). Did not evaluate improvements to address existing
deficiencies and future expansion relative to policy and system goals as a part of this Plan.
■ Hydraulic: Gathered system data, updated or developed computer models, assessed
hydraulic performance, and developed CIPs with respect to associated system design
criteria.
■ Asset management: Reviewed existing asset system for data gaps, analyzed the adequacy of
the condition assessment data being collected, established criteria for preparing criticality
and risk analyses, developed the prioritization system to inspect critical system elements,
developed the system requirements specification for integrating pipe criticality into the City's
CMMS, estimated the funds needed for future asset repair and replacement, and included
those estimates in the resource planning assessment (Chapter 6).
■ Regulatory -driven improvements: Determined differences between the 2024-2029 permit
and the previous NPDES MS4 permit and evaluated how the differences could affect City
regulations, infrastructure, and activities; estimated the time and costs for NPDES MS4
permit compliance.
■ Climate change analysis: Conducted a climate change analysis by reviewing the projected
alterations in climate outlined in Chapter 4 and offered recommendations for effective
mitigation measures.
■ Maintenance and operations: Assessed process performance, equipment, and personnel
with respect to service levels for M&0 (covered in Chapter 6).
These evaluations were conducted to develop capital improvements for the 6- and 20-year horizons,
as well as to identify future M&0 needs. The following sections summarize the hydraulic, asset
management, regulatory -driven improvements, and climate change evaluations. The existing system
deficiency and future service area expansion are described in Chapter 4, and the M&0 evaluations
are described in Chapter 6.
5.1 Hydraulic Evaluation
As described in Chapter 4, the City of Auburn owns and operates a large system of stormwater
drainage infrastructure to collect and convey stormwater runoff to nearby receiving waters.
Hydraulic modeling efforts for the 2024 Plan focused on updating models covering locations of
proposed capital projects. The model updates were based on recent geographic information system
(GIS) data, design drawings, and record drawings.
The City reviewed the remaining CIPs listed in the 2015 Plan and the recent proposed stormwater
CIPs. Six projects are located within existing subbasins represented by hydrologic and hydraulic
(H&H) subbasin models. Two of the projects were evaluated with associated H&H subbasins models
August 2024 1 553-1931-052 5-1
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Draft Comprehensive Storm Drainage Plan Update
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and were included in this Plan's CIP program. Appendix B provides a detailed description of the
H&H model updates and CIP evaluation results.
The following sections describe the steps used to update existing models or develop new models.
5.1.1 Updating Existing Models
The hydraulic components of existing models were updated with recent GIS data. The following
model data were verified against the GIS data:
■ Pipe size.
■ Pipe invert elevations.
■ Pipe material (for estimating pipe roughness).
■ Node rim elevation.
■ System connectivity.
Where the GIS data did not accurately describe the existing system, technical reports, record
drawings, or construction drawings were used to update the model. Where data were available,
models were given more detail with respect to pump and storage facility information.
For model hydrology, subcatchment delineations within problem areas were reviewed and revised
based on recent GIS data, topographic data, and 2024 aerial photography. For subbasins with
significant changes in basin delineation, total impervious area was updated with the City's
impervious area coverage. No existing models were calibrated or uncalibrated. If new and significant
large infiltration facilities were constructed since the 2015 Plan, the percent impervious area was
reduced based on an assumed contributing area by visual inspection of aerial photography.
5.1.2 Creating New Models
The following is a general description of steps followed to develop new Personal Computer
Stormwater Management Models (PCSWMM)3.
1. Infrastructure data from existing GIS databases were used to build drainage networks in problem
areas. Drainage network models consist of catch basins, manholes, pipes, junctions, ditches,
control structures, vaults, storage ponds, pump stations, and outfalls. GIS data were validated
and augmented as necessary based on record drawings and City -conducted field investigations.
2. The drainage network was developed to a level of detail that is sufficient for analyzing
conveyance on a subbasin-wide or problem -specific scale. In general, pipes 1 foot in diameter or
greater were included. Smaller -diameter pipes and pipes that were part of private systems were
generally not included in the model unless they provided an important link within the system.
3. Subbasin areas were divided into smaller drainage area delineations called subcatchments,
which in the model are linked into the drainage network at specific nodes. Hydrologic
parameters, such as area, slope, and percent impervious area, are developed for each
subcatchment. Subcatchment slope was estimated as the average slope based on a digital
elevation model (DEM). Total impervious area was estimated with the City's impervious area
coverage.
3 PCSWMM is a GIS-based hydraulic and hydrologic modeling platform developed by Computational Hydraulics
International (CHI). The software fully supports the EPA SWMM5 hydrology and hydraulics engine. thus
providing comparable computation between EPA SWMM and PCSWMM models. Information about PCSWMM
software can be found at http://www.chiwater.com/Software/PCSWMM/index.asp.
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For the purposes of this plan, there was no requirement to develop new models. Rather, the existing
H&H models from the 2015 Plan underwent refinement and updates. Further information on these
specific modifications is available in Appendix B.
5.1.3 Updating Precipitation Record and Flow Frequency
Auburn's H&H models use historical meteorological data to estimate stormwater flows and storage
within the City's storm drainage system. The data consist of monthly evaporation and 15-minute
precipitation volumes. As part of the Plan, the 15-minute precipitation record was extended to
September 30, 2022, creating an approximate 74-year precipitation record.
Long-term simulations were performed using the extended precipitation record to determine the 2%
and 4% exceedance storms (one in 50-year and one in 25-year flows, respectively) for the updated
models. These storms were used as design storms to size capital improvements, which meet the
water treatment standards and LOS (see Chapter 7 for a description of proposed capital
improvements).
5.2 Asset Management Review
All utilities manage their assets in one way or another through maintenance practices, CIPs, and
repair and replacement (R&R) activities. However, the ability to make an informed decision regarding
where and how to direct limited resources is dependent on the quality of the utility's asset
management. A comprehensive asset management framework includes building a thorough asset
inventory, using that inventory to prioritize and document maintenance and inspection tasks, and
tracking annual management expenses. An asset management framework developed in this way will
demonstrate both the extent of the existing system, as well as aid in forecasting its useful life and
the future costs of maintenance, reparation, and replacement.
Stormwater system assets fall into this framework but also exhibit unique characteristics regarding
their service levels, failure risk and consequences, and asset response approaches. For example, the
consequence of failure for a stormwater pipe is less significant than it would be for a water pipe, and
this distinction is reflected in the asset management approach. The asset management plan for the
City's stormwater system accounts for these considerations along with the current inventory and
condition information while adopting a responsible approach to resource management of the assets.
5.2.1 Best Practices
The best practices for asset management involve methodically basing choices on an understanding
of asset condition and performance, risks, and costs in the longterm. Asset management best
practices include the following:
■ Establishing and maintaining a sustainable LOS that balances the performance goals of the
utility, regulatory requirements, and consumer demand.
■ Preparing and regularly updating an inventory and map of the system.
■ Understanding the risk associated with managing a given asset (i.e., defining the asset's
likelihood and consequence of failure).
■ Implementing a prioritization process for work based on condition assessments and taking a
life cycle approach to asset management planning.
■ Establishing funding levels and rates to provide reliable, cost-effective service, and support
ongoing infrastructure rehabilitation or replacement projects.
August 2024 1553-1931-052 5-3
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City of Auburn
These best practices were followed in evaluating the management of the City's assets, as described
below. System goals for the City's Storm Drainage Utility were established in Chapter 3 of this Plan.
5.2.2 Evaluation
For the Plan, the preliminary focus of the asset management evaluation was on the City's stormwater
collection pipe network, the results of which may be used to inform the management plan for the
other categories of assets within the City's Storm Drainage Utility system. The City uses Cartegraph
as its CMMS to store and map its asset inventory, so all evaluations were performed on data
exported from this source.
Data Gaps Analysis & Condition Assessment
The first step in the evaluation involved assessing the comprehensiveness of the asset inventory. To
do so, a data gaps analysis and condition assessment was necessary to understand the
completeness of the asset inventory and the availability of feature data for developing criticality and
risk analyses. The results of these analyses demonstrated a pipe inventory that was incomplete.
Several pipes were missing attribute data —namely installation date and material —critical for
estimating risk of failure in the next step in the evaluation. See Figure 5-1 and Figure 5-2 for the
availability of pipe attribute data relative to the total length of pipe in the system for reference.
2020-2029
3%
F
nknown
1940-1949
1%
■ Unknown
■ 1940-1949
■ 1960-1969
■ 1970-1979
■ 1980-1989
■ 1990-1999
■ 2000-2009
■ 2010-2019
■ 2020-2029
Figure 5-1. Pipe Installation Date Relative to Total Linear Feet of Pipe
August 2024 1 553-1931-052 5-4
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Draft Comprehensive Storm Drainage Plan Update
City of Auburn
■ Other
■CMP
■ CONCRETE
■ CPEP
■ DUCTILE IRON
■ PVC
■ RCP
■ Unknown
DUCTILE IRON
6%
Figure 5-2. Pipe Material Relative to Total Linear Feet of Pipe
For the purposes of the risk evaluation, professional estimates were made to serve as placehoiders
for missing attribute data. A preliminary GIS-based assessment was performed to provide an
estimate installation date based on adjacent infrastructure, parcel build -out years, and historical
imagery as needed. Estimated inputs were added to a copy of the installation date attribute to
ensure estimates could be distinguished from the original dataset. Further detail regarding the steps
taken in the data gaps analysis and condition assessment is provided in Appendix C. There were
critical data gaps in other stormwater asset inventories, namely culverts. Thus it could be beneficial
to do a similar GIS-based assessment for other asset types to have a comprehensive starting point
for prioritization of work. It is recommended that critical data gaps be addressed as part of the asset
management program, as summarized in the following paragraphs.
Risk Determination
The next step in the evaluation involves determining the risk associated with managing each of the
City's storm drainage assets. The exported pipe data from the City's Cartegraph database was used
to build a risk assessment spreadsheet. The spreadsheet evaluates specified criteria to generate a
score for likelihood of failure and criticality of failure for each asset. Within the spreadsheet,
likelihood of failure is largely dependent on critical attributes specific to the feature, while criticality
of failure is dependent on location -based factors.
For the City's pipe network, the attributes used to develop the likelihood of failure score include
installation data and material. The installation date provides the age of the pipe, while the
installation material is used to estimate the expected useful life. Combining these characteristics
provides an estimate for the pipe's remaining useful life, which is the basis for the likelihood of
failure score. In general, if a pipe had a negative remaining useful life, it had a high likelihood of
failure (the highest score being 5), whereas if it had a positive remaining useful life, it had a low
likelihood of failure (the lowest score possible is 1).
The criticality of failure score was developed by evaluating a pipe's proximity to critical facilities,
high -priority roadways, and high -trafficked roadways. If a pipe is in close proximity to one of the
aforementioned factors, this results in a higher criticality of failure score (the highest score being 5).
Conversely, a pipe not in close proximity to any evaluated factors results in a low criticality of failure
score (the lowest score being 1).
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While the spreadsheet was developed solely for the City's pipe system, a similar process may be
followed for the other asset types within the stormwater inventory. See Appendix C for the critical
attributes recommended to use in determining the risk for the other types of stormwater assets.
Work Prioritization
The resulting failure scores allow for the City to rank different assets both on likelihood and criticality
of failure. It is recommended to use this ranking strategy to develop an inspection program where
inspections of different types of assets are prioritized based on their rank. The asset inspection
program will serve to fill data gaps, update the likelihood of failure score based on field verification,
and identify asset features requiring repair or replacement. After inspection data are input for an
asset feature, the results of the inspection will supersede the use of estimated remaining useful life
and installation date (where applicable) in calculating a likelihood of failure score. Using this system
to prioritize maintenance allows resources to be used more efficiently and fills in data gaps resulting
in a more robust asset inventory.
For the City's pipe system, the recommended program would prioritize inspection based on likelihood
of failure and then criticality of failure. In this way, pipes with likelihood of failure scores greater than
or equal to 4 (or a negative useful life estimate) will be inspected first. The next tier of inspections
should address pipes with likelihood of failure scores equal to 3 and pipes with unknown installation
dates. After pipes are inspected, they should be assigned a condition score, which will supersede the
installation date and useful life expectancy in determining the likelihood of failure. The likelihood of
failure for a pipe will increase over time, and this prioritization method will take this into account
while integrating field inspection data. Since storm catch basins and storm manholes are related to
pipes, it is recommended to inspect these at the same time as adjacent pipes.
The same inspection prioritization method is recommended for culverts as the failure consequences
are similar. For storm pumps, it is recommended to closely evaluate their condition as their useful
life nears the end (e.g., 5 or fewer years) and upgrade or replace them before probable failure.
Stormwater control facilities should be routinely inspected and prioritized for inspection when critical
feature data are unavailable. As mentioned previously, critical feature data for each asset type are
listed in Appendix C. More detail regarding the inspection frequency and schedule for each type of
stormwater asset is included in Chapter 6.
Life Cycle Estimation
A life cycle analysis was performed for pipes to demonstrate the expected depreciation rate of each
asset and provide background for the recommended maintenance frequency of the entire system. To
do so, the remaining useful life estimate for the City's pipe database was analyzed over time. This
analysis was used to identify any spikes in development (and accordingly when spikes in R&R would
be expected) and estimate the total linear feet of pipe "lost" (or whose projected remaining useful
life becomes negative) per year. This rate of pipe loss may be used as a point of comparison for
basing the resource planning recommendations in Chapter 6. A similar life cycle analysis could be
beneficial for culverts.
As features are updated with field -verified data (during inspection or maintenance), the results of
this life cycle analysis are expected to change. For this reason, the pipe depreciation analysis may be
reconducted to evaluate the effect on the projected rate of pipe loss. The results of the pipe
depreciation analysis can be found in Appendix C.
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Cost Projection
A brief review of costs were included in the asset management evaluation for consideration in
setting the R&R budget and resource planning goals in Chapter 6. Two options were contemplated in
setting the R&R budget: investigating the prior use or need and evaluating the results of the life cycle
estimation. The City's R&R spending in previous years was compiled to investigate the prior use. To
evaluate the results of the life cycle estimation, the cost of replacing pipes based on the rate of
depreciation was projected. The useful life of the system was also varied to observe the change in
budgetary needs.
A comprehensive cost estimate was prepared for both pipe replacement and the replacement of
catch basins and manholes within the City. Notably, the cost estimate for pipe replacement serves as
a generic assessment for the City of Auburn rather than being tied to any specific project or
geographical area. The primary calculations for cost estimation assume the replacement of
5,000 linear feet of pipe along with the associated conveyance structures, such as manholes and
catch basins. To simplify these calculations, certain generalizations were made —including the
assumption that all pipes are of uniform size, material, and depth —based on GIS averages for
the City.
Furthermore, various scenarios were explored to assess how the cost of pipe replacement might vary
based on location (downtown versus rural) and quantity (5,000 versus 10,000 linear feet). The
resulting cost opinion is intentionally conservative, approximately $1,500 per linear foot, to account
for the wide range of generalizations and assumptions inherent in the process. Notably, the analysis
indicated that pipe replacement in rural areas is expected to be less costly than in the City center.
Additionally, replacing a larger quantity of pipe is only marginally more cost-effective.
For detailed estimates and further information regarding the cost projection, please refer to
Appendix C.
As a prudent practice, it is recommended to diligently track the costs associated with installation,
repair, and replacement of asset features on an annual basis. This data serve as valuable reference
information for future asset replacement budget planning. As additional data are collected, cost
opinions can be updated to enhance accuracy.
5.2.3 Recommendations
Evaluations completed for this Plan consisted of developing a system requirements specification for
implementing risk assessment using the data in the City's asset management system, Cartegraph.
The spreadsheet's scoring methods may be integrated into Cartegraph so that, as the pipe inventory
is updated, likelihood of failure and criticality of failure scores can be used to inform future R&R
priorities. Currently, the spreadsheet only includes collection system piping scores. However, there is
an opportunity to expand the scoring methods to include other asset features, as described in
Appendix C.
The following are recommended to implement the asset management strategy:
■ Train staff in asset inventory needs, capability, data collection, data quality objectives, and
maintenance of system.
■ Implement the likelihood of failure and criticality of failure scoring methods into Cartegraph.
■ Implement the prioritized inspection and asset information update process to fill data gaps in
the asset data and provide observation -based condition assessments.
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■ Develop a process for reviewing the asset inventory and a routine for updating when changes
and inspections occur.
■ Expand scoring methods to include asset types other than collection system piping and
implement them similarly into Cartegraph and inspection prioritization techniques.
■ Consider reconducting pipe depreciation analysis every 5 years to evaluate the effect of
implementing the prioritization practice.
■ Assess the inspection process in 5 years to assess the efficiency of the program and identify
areas for improvement.
5.3 Regulatory -Driven Improvements Investigation
The federal Clean Water Act requires municipalities to help maintain fishable/swimmable waters
through the NPDES MS4 permit program (see Section 2.3.2 and Appendix A), which requires
municipalities to reduce the discharge of pollutants from their stormwater systems to the MEP by
implementing municipal stormwater management programs. The City has an established municipal
SWMP that complies with all NPDES MS4 permit requirements currently in effect. Updates to the
City's codes, programs, and standards are being developed to comply with the requirements of the
updated 2024 NPDES MS4 permit.
The City's SWMP plan identifies activities that will be implemented by the City to comply with NDPES
MS4 permit requirements. The SWMP plan is updated annually to reflect new requirements that phase
in during each year, including one-time and new ongoing activities. An updated SWMP is submitted to
Ecology in March of each year. The City's current SWMP plan is accessible on the City website.
To plan for upcoming requirements of the new NPDES MS4 permit, the City formed a project team
consisting of staff from the City Public Works department and Parametrix.
The project team reviewed Auburn's citywide stormwater management programs, codes, standards,
processes, and documentation protocols in order to identify potential actions to comply with the
NPDES MS4 permit conditions over the 5-year permit period. From these sources, the project team
catalogued responsible City departments/entities, reference documents, and potential requirements
for each updated section of the permit. Interviews were then conducted with appropriate staff (e.g.,
stormwater M&0 staff) to discuss the potential implications of permit changes for existing City codes,
programs, and standards. The information on existing City practices and programs was then
compared to the updated permit requirements to identify potential compliance needs. Some policy
issues and potential compliance strategies were also identified. This Plan was developed using the
draft 2024 NPDES MS4 permit and updated as needed following the release of the final 2024
NPDES MS4 permit. A table summarizing the notable changes between the previous permit, the draft
2024 NPDES MS4 permit, and the final 2024 NPDES MS4 permit was developed and is included in
Appendix D. Recommended future activities are summarized below and included in the
implementation plan in Chapter 8.
5.3.1 New Permit Requirements and Recommendations
Table 5-1 summarizes the recommended actions to address regulatory driven stormwater program
responsibilities.
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Table 5-1. Recommended Actions Regarding New Permit Requirements
Permit Section New Requirement Recommended Action(s)
S5.C.1.c.iii Adopt and implement tree canopy goals and
policies to support stormwater management
and water quality improvement in receiving
waters.
S5.C.1.d.i Complete a stormwater management action
plan (SMAP) for at least one new high -priority
catchment area or additional actions for the
existing SMAP.
S5.C.1.d.i.(a) Consider implementing projects that address
transportation -related runoff from high traffic
areas.
Prepare an assessment of existing conditions
Draft a list of potential policies.
Select and adopt policies.
Identify a preferred catchment area for inclusion or
enhancement.
Prepare a new SMAP or update the existing SMAP.
Review the road system plan.
Review high -priority roadways.
Determine candidate sites for retrofitting using
SMAPs, capital improvement projects, or other
relevant plans.
Select projects and include in capital improvement
plan.
S5.C-2-a.i.(b) Provide public education regarding source Provide public education regarding source control
control best management practices (BMPs) for BMPs for building materials.
building materials to reduce pollution to
stormwater, including stormwater pollution
from materials containing polychlorinated
biphenyls (PCBs).
S5.C.4.b.ii
Map permittee-owned or operated properties Begin mapping of permittee-owned or operated
with tree canopy. properties with tree canopy based on available,
existing data.
S5.C.4.b.iii Develop a map of discharge points that have
Develop a methodology to map tributary basins to
stormwater treatment and flow control
outfalls.
BMPs/facilities. Use to estimate the area
Identify facilities to be mapped.
managed by stormwater treatment and flow
Use a geographic information system (GIS) to
control BMPs/facilities.
prepare a map of catchment areas.
Quantify the total managed or unmanaged acreage
of treated or controlled City -owned facilities.
S5.C.4.b.iv Map overburdened communities in relation to
Overlay available data regarding overburdened
stormwater treatment and flow control
communities with previously prepared maps of
BMPs/facilities, outfalls, discharge points, and
areas with stormwater treatment or flow control
tree canopy on permittee-owned or operated
facilities and tree canopy.
properties.
S5.C.5.e.ii Develop a management plan for per- and
polyfluoroalkyl substances (PFAS).
S5.C.7.c Fully fund, start construction, or completely
implement project(s) that meet the City's
assigned equivalent acreage of 14.2 acres.
S5.C.9.e Develop and implement a municipal street
sweeping program to target high -priority areas
August 2024 1553-1931-052
Coordinate with firefighting agencies/departments
to implement specific protocols regarding PFAS
discharges into stormwater.
Prioritize projects developed in the SMAP that
together meet the City's assigned 14.2 acres.
Review and revise the existing sweeping program as
needed.
Include map of swept priority areas in annual report.
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5.4 Climate Change Analysis
Section 4.1.8 reviewed the projected climate changes specific to the City. This section focuses on
potential strategies to mitigate these changes and provides recommendations for effective
implementation. By comprehending expected shifts in the environment, the City can proactively
adapt its practices and policies to safeguard the community.
5.4.1 Discussion of Proposed Approaches
Although the City is not predicted to see a significant increase in overall precipitation, climate models
predict an increase in the frequency of intense precipitation, specifically during the winter months
(see Figure 4-5). Increased winter storm intensity frequency is most likely to push the stormwater
system past the accepted LOS over time up to the projected time frame of the reported climate
models.
Storm intensity (rate of rainfall for a unit of time, usually in inches per minute) tends to affect storm
drainage systems differently than prolonged, atmospheric river systems. Storm sewers and local
conveyance systems are generally designed for the peak runoff intensity (within a short or long
event), whereas larger conveyance systems, streams and floodplains, and stormwater control
facilities are designed using hydrographs for longer duration events. This would suggest, based on
the predictions regarding total rainfall versus intense rainfall, that storm sewers, conveyance
systems, and culverts will be more vulnerable to capacity exceedance and subsequent flooding.
One approach to addressing this potential service deficiency is to design with future projected storm
patterns or to apply a larger design storm. This would address the greater flood frequency risk.
However, it would not "prevent" flooding. This would increase the costs of all projects for both public
and private development and would also impact the cost of housing impacting the affordability of
future housing developments. Stormwater conveyance systems are designed to manage a specific
LOS, usually the peak runoff rate from a 25-year, 24-hour storm. Performance is typically evaluated
by hydraulic metrics, such as minimum freeboard in a channel, headwater depth on a culvert, or
surcharging in a storm sewer that keeps water in the system and away from property. While a
stormwater system may not be performing according to design, the impacts may not be flooding or
property damage. In addition, storms larger than the design storm can and will occur, with adverse
consequences.
It has generally been deemed to not meet cost -benefit metrics to build systems to address every
likely storm outcome. An event exceeding the design capacity of a system could occur at any time;
the "average" number of times it occurs is likely to increase with increased storm intensity frequency
due to climate change. Another approach would be to address the consequences of the projected
change on a site -by -site basis rather than a blanket change in service levels for future rainfall.
Stormwater flow control facilities are designed to manage changes to the landscape and resultant
runoff to existing or predeveloped levels. The analyses use a historical rainfall record and projections
of that record over an extended time period, all based on past rainfall patterns. The stormwater
control standards require runoff changes to be matched to land conditions prior to development or
existing conditions, typically a forested condition. One approach to new stormwater standards to
address flow control under a changed climate with more frequent intense rains is to use projected
rainfall patterns that are modified to add climate change projections. In addition, flow control
evaluations are comparative, which means they evaluate the hydrologic changes due to
development. This is different than considering the changes in hydrology from the site today with a
site under future climate conditions (in addition to restoring existing hydrology to predevelopment
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conditions). The comparative change (future climate to compare existing and future site
development) may not be significant.
Another approach involves identifying the City's most vulnerable areas to the effects of climate
change and using this information to make informed decisions about potential stormwater
infrastructure improvements. Figure 5-3 highlights key areas of vulnerability. The extent of
floodplains indicates where the City is most susceptible to flooding. Similarly, levee locations should
be evaluated to determine if adjustments are necessary due to changes in flood levels. Pump
stations should be assessed for capacity. Ensuring access to critical facilities and emergency routes
is crucial; both the areas around these facilities and the routes to them should be evaluated for
vulnerability. By assessing the stormwater infrastructure in these areas, the City can better
understand the impact of potential infrastructure failures and make decisions to mitigate the most
harmful consequences.
River and stream flooding could increase in frequency due to climate change. According to the
stream flow projections shown in the publication, Effect of Climate Change on Flooding in King
County Rivers, winter flow volumes are expected to rise due to an increase in the proportion of
precipitation falling as rain over the course of the 21st century (Lee et al. 2018). This increase is
anticipated despite the modest long-term projections for average annual rainfall shown in Figure 4-5.
Smaller, local stream systems (e.g., Olson Creek, Mill Creek, Bowman Creek) are expected to have
more frequent flooding (i.e., flow overflowing its confined banks), and extreme events are more likely
to occur (i.e., the current 1% probability flood would have a higher percentage chance of occurring in
the future). Storm drainage infrastructure that interfaces with these natural drainages should be
reevaluated to consider negative consequences and resiliency (the ability to safely withstand critical
service disruption).
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5.4.2 Recommendations
Stormwater design guidelines will need to consider the possible changes in storms that are informed
by future climate scenarios. The strategy aligns with the guidance for stormwater design and sizing
recommended and approved by the Water and Land Resources Division of the King County
Department of Natural Resources (King County DNR 2021). For example, the guidance provides
direction for the design of new pipe systems with sufficient capacity to convey and contain (at
minimum) the future predicted 25-year peak flow. Pipe system structures may overtop during runoff
events that exceed the 25-year design capacity. However, this is permissible as long as the overflow
resulting from a larger event (e.g., a 100-year runoff event) does not lead to severe flooding or
erosion issues. Additional design guidelines for new flow control standards, conveyance standards,
culverts, ditches, and canals are also included.
The recommended approach to mitigate effects due to climate change is described as follows.
Drainage System Performance. Because of likely changes in the frequency of intense rainfall, the
following recommendations should be considered in the design of conveyance systems:
■ Review and revise the hydraulic performance metrics related to freeboard, headwater depth,
and surcharging. Evaluate the financial implications associated with enforcing strict hydraulic
performance standards.
■ Prepare a critical drainage review (CDR) process (as identified as a work order in Section 8)
to evaluate the consequences of storm events exceeding the design parameters. Establish
clear policies regarding safety, property protection, service continuity, and mitigation of
nuisance flooding to make systems more resilient to infrequent but probable flooding.
Ensure that the level of protection aligns with the associated costs and risk factors.
■ Prioritize effective hydraulic performance and resilience measures for critical facilities during
severe storm events that go beyond the intended design limits.
■ Perform a vulnerability analysis of critical drainage and stormwater infrastructure to identify
any areas where the effects of climate change may be intolerable. Prioritize these areas for
capital improvement projects to minimize the adverse effects of flooding.
River and Stream Flooding. River and stream flooding frequency is expected to increase. The
vulnerability of existing infrastructure in or near streams or floodplains has not been assessed in
this Plan.
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6. Maintenance and Operations
An evaluation of existing Storm Drainage Utility M&O activities was conducted in support of this Plan.
This chapter documents existing Storm Drainage Utility M&O activities with the primary purpose of
establishing a baseline understanding of the proactive and responsive maintenance procedures
performed by City Storm Drainage Utility M&O staff. This baseline understanding is used herein to
evaluate utility staffing, data collection and computerized record -keeping needs, and other utility
needs necessary to continue to meet system goals.
The information provided in this chapter is a summary of information collected during City Storm
Drainage Utility staff interviews, review of computerized records, and existing utility forms/checklists.
6.1 Utility Responsibility and Authority
This section provides an overview of the Storm Drainage Utility organization and basic information
related to utility staffing, training, and education.
6.1.1 Organizational Structure
The City Storm Drainage Utility is operated as a utility enterprise under the direction of the director of
public works. The Public Works Department is responsible for planning, design, construction,
operation, maintenance, quality control, and management of the storm drainage system. The City
has a mayor -council form of government; therefore, the director of public works reports to the mayor,
with input from council through council study sessions and meetings. The mayor provides oversight
for the implementation of policies, planning, and management for the Storm Drainage Utility. The
City Council provides direction on policy and budget considerations.
The Engineering Services Department is the lead group for comprehensive storm drainage system
planning, development of a CIP, and the design, construction, and inspection of projects related to
the storm drainage system.
M&O Services is the lead group responsible for the day-to-day maintenance and operation of the
storm drainage system. The storm drainage/sanitary sewer manager reports to the M&O Services
general manager and oversees 11 total storm drainage employees (1 field supervisor and
10 maintenance workers, as shown in Table 6-1). The Vegetation Maintenance Division is
responsible for mowing, tree trimming, and weed control of City ROW and storm facilities.
The overall Public Works Department organizational structure is shown in Figure 24.
6.1.2 Staffing Level
The Storm Drainage Utility currently includes 10 full-time M&O field staff, plus a field supervisor and
a manager, who perform administrative duties. This chapter does not include an evaluation of utility
management, which includes regulatory compliance, planning, and coordination with other City
departments. Position titles and the primary functions of the M&O staff working within the Storm
Drainage Utility are shown in Table 6-1.
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Table 6-1. Storm Drainage Utility M&O Personnel
Position Primary function(s)
Storm drainage/sanitary sewer manager Management of sanitary sewer and storm drainage M&0 staff
Storm field supervisor Supervision of field staff
Maintenance worker Ten full-time staff dedicated to field inspection and maintenance
M&O = Maintenance and Operations
In addition to the M&O field staff identified in Table 6-1, secondary staff support the following Storm
Drainage Utility functions:
■ Management and administration: A full-time manager performs administrative duties for
both the Sanitary Sewer and Storm Divisions. Management and administrative tasks include
general oversight of the Sanitary Sewer and Storm Drainage Utility M&O staff, regulatory
compliance, planning, and coordination with other City departments. Field work is supervised
by a full-time field supervisor.
■ Vegetation maintenance: The Vegetation Maintenance Division consists of 10 full-time staff,
a field supervisor, and a manager. These staff primarily support the Storm Drainage Utility
M&O field staff (approximately 60% of total staff effort) with pond vegetative control, weed
control and herbicide spraying, ROW and ditch mowing, tree trimming and removal, and leaf
removal.
■ Contracted services: The Storm Drainage Utility uses other City departments or external
contractors for some services, as discussed in Section 6.3.
M&O activities routinely performed by Storm Drainage Utility staff are discussed in Section 6.2. The
staffing plan presented in Section 6.6 considers M&O activities performed by Storm Drainage Utility
and Vegetation Maintenance staff.
6.1.3 Level of Service
The Storm Drainage Utility operates in accordance with the system goals and policies outlined in
Chapter 3 and internally adopted objectives integral to meeting those goals. These objectives are
generally based on the current staffing level and tasks deemed most critical to the City and its
residents. However, the existing staffing requirements discussed in Section 6.6 herein include
near -term goals that may not be met by existing staff.
6.1.4 Training and Education
The City recognizes the value of having a knowledgeable and well -trained staff operating the storm
drainage system and encourages employees to obtain the highest level of training available. At this
time, the State of Washington does not require certification for stormwater maintenance operators, but
the City would support any effort to establish certification for these positions. Seminars, conferences,
and college coursework have become tools to advance knowledge for maintenance staff.
Many M&O staff are specialized in specific job functions, which can promote expertise through
specialization but also has the potential to limit the ability of the utility to absorb absences due to
vacation, sickness, retirement, resignation, and termination. To mitigate this limitation, the City has
broadened the scope of the Storm Drainage Utility's education system by conducting
cross -training programs.
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6.2 Routine Operations Provided by the Storm Drainage Utility
This section discusses routine operations provided by the Storm Drainage Utility M&O staff shown in
Table 6-1. Each subsection provides a brief description of the M&O activity, City goals with respect to
proactive maintenance, and the estimated Storm Drainage Utility staff effort to achieve the proactive
maintenance goal.
6.2.1 Catch Basin and Manhole Inspection, Cleaning, and Repair
The storm drainage system includes approximately 10,800 catch basins and 3,172 manholes. Catch
basin and manhole maintenance includes initial inspection and potential follow-up cleaning and/or
repair. Inspection is performed by a two -person crew using utility mapping to locate the targeted
facilities. M&O staff use condition categories from the CMMS asset management system to identify
which facilities require further cleaning or repair. The condition categories consider items such as
observation of trash, debris, sediment, or vegetation blocking or within the catch basin/manhole;
structural damage; evidence of contamination or pollution; and the integrity of catch basin grates,
manhole covers, and ladders. Follow-up cleaning and maintenance work orders are generated based
upon the results of initial inspection and typically include a two -person crew. Based upon recent
maintenance history, approximately one in five catch basin and manhole inspections leads to further
cleaning. The City assumes that a total of 5% of catch basins and manholes per year require an
additional visit post inspection for some level of maintenance or repair. Catch basins and manholes
requiring only minor maintenance tasks that can be performed during inspection are not included in
this total.
Catch basin inspection is required as part of the City's NPDES MS4 permit, per the most recent
permit, 2024-2029 issuance. The City is required to inspect and maintain all catch basin facilities
every 2 years, with each 2-year cycle ending on December 31. To achieve this permit requirement,
the City goal is to inspect 40 catch basins per day. Manhole inspection frequency is not mandated by
the permit, but the City's goal is to complete inspection of all City manholes on a 4-year rotating
schedule.
The City will use the CMMS software (see Section 6.5) to record and track results of catch basin
inspection, cleaning, and maintenance efforts. In the future, if catch basin inspection records
demonstrate that catch basins generally comply with maintenance standards and do not require
inspection every 2 years, the City may be able to justify and suggest a less frequent inspection
schedule for compliance with the Permit.
6.2.2 Stormwater Pipeline Cleaning
The storm drainage system includes approximately 250 miles of collection system piping. The City
currently cleans its stormwater pipelines on an as -needed basis. Cleaning of the storm drainage
system is performed using a City -owned Vactor/jet truck. Cleaning is typically performed from
structure to structure (e.g., catch basin or manhole) by a two -person crew.
Jetting of stormwater pipelines is the principal means of removing debris or obstructions from the
storm drainage system. A hose with a special end fitting is inserted into a pipe and high-pressure
water (up to 2,500 pounds per square inch) is sent through the hose. The high-pressure water exits
the small hole at the tip of the nozzle, breaking down and/or scouring obstructions. Debris is then
removed via suction by the Vactor truck equipment at each manhole.
The City expects to clean 4% of its stormwater pipeline system per year. On average, a two -person
crew can clean approximately 1,500 feet of pipe per day and inspect approximately 500 feet of pipe
per day.
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6.2.3 Stormwater Outfall Inspection, Cleaning, and Maintenance
The storm drainage system includes 124 outfalls or discharges from localized collection systems to the
Green River, White River, or Mill Creek. Outfall maintenance includes initial inspection and potential
follow-up corrective actions. Outfall inspections are performed to identify the following: excessive
vegetative growth that could obstruct flow, outfall erosion protection, structural damage to the
conveyance system itself, and abnormal discharge that might be indicative of contamination (as
demonstrated by a color, sheen, or odor). Cleaning and minor maintenance tasks are performed during
inspection. Necessary follow-up repairs or more intensive maintenance work orders are generated
based upon the results of the initial inspection. The City goal is to inspect, clean, and perform minor
maintenance tasks at each outfall twice per year. The City assumes that 5% of outfall inspections per
year require an additional visit post -inspection for some level of maintenance/repair. For a two -person
crew, it is anticipated that inspection, cleaning, and minor maintenance requires 2 hours per outfall,
while follow-up maintenance or repairs requires 0.5 hour per outfall.
6.2.4 Drainage Ditch Maintenance and Restoration
The storm drainage system includes approximately 42 miles of drainage ditches (as shown in Figure 6-1).
Drainage ditch maintenance is required to preserve the original line and grade, hydraulic capacity, and
purpose of the ditch. Routine maintenance activities include regrading and removal of sediment;
nuisance vegetation; and isolated obstructions, such as trash, trees, and accumulated debris. Because
vegetation is important for erosion control, the City strives to minimize the removal of beneficial
vegetation.
Up to six M&O staff are required for a single ditch maintenance crew to operate the City -owned excavator,
control traffic (as necessary), and manually regrade or remove obstructions. On average, these crews can
complete 200 feet of ditch maintenance per hour. This rate does not include mobilization and
demobilization, equipment repair and other downtime, waste disposal, and administrative tasks, such as
training and record keeping. Currently the ditch inventory is maintained on an as -needed basis, however
the City has a target to maintain all ditches within the system on a 5-year cycle.
6.2.5 Stormwater Facility Inspection, Maintenance, and
Restoration
Inspection of the approximate 300 City stormwater facilities is performed by a one -person crew using
an inspection checklist to identify conditions that require correction. Facilities include stormwater
ponds, swales, vaults, tanks, UIC, LID, and manufactured treatment devices. The checklist includes
items such as observation of trash, debris, sediment, and animal or insect infestation that could impact
function or future maintenance; structural damage or erosion; evidence of contamination or pollution;
and the integrity and/or function of emergency overflow spillways (as applicable). The City goal is to
inspect each facility once per year. On average, inspection activities require 0.75 hours for a one -person
crew per location. This rate does not include mobilization and demobilization, equipment repair and
other downtime, waste disposal, and administrative tasks, such as training and record keeping.
Maintenance and restoration of each facility type varies. The City has a goal of maintaining permeable
pavement twice per year. On average, a four -person crew can maintain 0.3 miles of permeable
pavement per hour. The maintenance of vaults, tanks, and underground injection control (UIC) wells are
all accounted for under general facility maintenance in Section 6.2.9, Manufactured treatment devices
are maintained by an outside contractor and included in Section 6.3.3.
Maintenance of ponds and swales (of which there are approximately 184) are performed as necessary,
with the expectation of maintaining or restoring 20% of the system each year. A six -person stormwater
pond crew is required for pond maintenance, while swales require a four -person crew. For the purposes
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of the full-time equivalent (FTE) calculation, the expected maintenance of ponds and swales have been
combined (as there are only two swales within the system). Follow-up maintenance and restoration is
scheduled during the summer months. The City assigns a six -person stormwater pond/swale crew
approximately 21 days per year (3 days per week for 3 out of 4 months in the summer).
After significant storms, it is recommended that some stormwater facilities be inspected to verify
proper function and identify damage, if any. It is recommended that the City develop a list of facilities
that should be inspected following these larger storm events.
6.2.6 Culvert Inspection and Cleaning
Culvert maintenance includes inspection and cleaning of the approximately 1,164 culverts within the
storm drainage system. Culverts are typically inspected by a two -person crew, with corrective actions
and cleaning performed during the inspection when possible. On average, inspection and cleaning
activities require 1 hour per culvert for a two -person crew. Culvert inspection focuses on the
assessment of free flow within the culvert and identifying any structural defects. Any debris that
cannot be removed during the initial inspection or any noted structural concerns result in a work
order for corrective action. The City goal is to inspect (and clean as necessary) each culvert once
per year.
6.2.7 General Facility Maintenance and Other Field Tasks
Storm Drainage Utility M&O staff perform a number of field tasks that do not readily fall into the
categories previously listed and often support other City departments. Examples of these additional
storm drainage tasks include the following:
■ General facility maintenance: Maintenance may include detention vault and tank cleaning
and sediment removal, weir cleaning, filter inspection and cleaning, and maintenance of
oil/water separators and UIC.
■ Engineering support: Storm Drainage Utility M&O staff often provide facility inspection
services for engineering projects and support Engineering through visual observation in the
field. M&O staff also make small repairs such as replacing catch basins or failed culverts or
minor drainage pipe replacement. See Section 6.7 for recommendations related to
documenting M&O repair projects.
Identifyingthe FTE for each task identified above was not considered as a part of this Plan. Instead,
the FTE for the above tasks have been combined into one group summarizing the general inspection
and field tasks performed by the Storm Drainage Utility staff. The City may choose to identify the
expected FTE for each task at a later date, if desired. FTE assumptions are summarized in
Section 6.6.
6.2.8 Storm Drainage Utility Overhead
The Storm Drainage Utility is responsible for ensuring routine operations are carried out as described
above. To do so, several tasks not readily assigned to any one of the routine operation categories
must be performed. Examples of these tasks are listed below:
■ Training: Staff must be trained in routine field operations as well as the general order of
processes required before and after field operations
■ Record keeping and map maintenance: The utility ensures the results of routine operations
are recorded and updated with condition assessments and mapped appropriately. The utility
also notes any other field observations that may require further investigation. Additional
details regarding this topic are given in Section 6.5.
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■ Equipment repair: Staff must address equipment malfunctions and necessary repairs,
as needed.
■ Preparation: Time is needed to prepare for routine operations
These tasks are expected for each routine operation previously described, but they have not been
allocated to the specific tasks. For the purposes of resource planning, overhead is expected to
account for 10% of the available staffing time.
6.3 Routine Operations Provided to the Storm Drainage Utility
This section discusses routine operations performed by other City staff or by contracted services in
support of the Storm Drainage Utility. Each subsection provides a brief description of the M&0
activity. FTE efforts for these activities are funded by the Storm Drainage Utility. Because Vegetation
Maintenance staff primarily support the Storm Drainage Utility (approximately 60% of total staff
effort), these staff are included in the existing staffing requirements discussed in Section 6.6.
6.3.1 Vegetation Maintenance
Vegetation maintenance is performed by Vegetation Maintenance Division full-time and seasonal
staff that support City Storm Drainage Utility M&0 staff. Vegetation maintenance includes mowing,
herbicide application, seeding and replanting, and removal of nuisance vegetation or vegetation that
impairs the function of storm drainage facilities. In the fall, vegetation maintenance also includes
removal of leaves that can accumulate and block flow to catch basins (performed as needed).
Full-time Storm Drainage Utility staff may also perform limited vegetation maintenance as part of the
routine operations discussed in Section 6.2.
6.3.2 Stormwater Pump Station Maintenance
Maintenance of the seven pump stations within the City storm drainage system is performed by
Sanitary Sewer Utility staff because they have pump specialists who perform all pump station
maintenance. Sanitary ewer Utility staff perform scheduled weekly and monthly maintenance
inspections, as described in the City of Auburn Sewer Comprehensive Plan Update and
summarized below.
Pump station maintenance activities include both weekly and monthly inspections and include
checking lubrication, seals, valves, and general cleanliness of pump stations, as well as cleaning out
sumps and trash racks.
6.3.3 Manufactured Treatment Device Maintenance
As described in Section 6.2.5, manufactured treatment devices are inspected by city staff annually
to identify conditions that require additional, unscheduled maintenance. Such conditions could
include excess sediment accumulation, damaged piping, or vault and access cover damage.
Manufactured treatment devices are serviced by City staff, as noted in the inspections. Some
proprietary media or filter units are maintained by a private contractor, as needed.
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6.4 Non -Routine and Emergency Operations
The intent of the routine inspection and maintenance activities discussed in Sections 6.2 and 6.3 is
to minimize, through proactive management of the stormwater facilities, the potential for conditions
that could lead to emergencies. This section discusses unscheduled activities performed by Storm
Drainage Utility M&O staff and describes a response plan for emergency conditions.
6.4.1 Customer Service Requests
Customer service requests, typically related to a local drainage complaint, trigger creation of a work
order to inspect the affected area or stormwater facility and identify potential solutions. In some
cases, relatively simple solutions, such as removal of blockages, can alleviate the issue. However,
other cases require coordination with Engineering or other City departments. On average, City Storm
Drainage Utility staff respond to approximately five customer service/complaint-related work orders
per week. The effort required to resolve these complaints varies considerably.
Good recordkeeping helps in complaint resolution by ensuring that all relevant data are gathered
and by serving as a reminder to resolve the complaint and notify the complainant. When a complaint
is received, the following information is recorded to the extent possible:
■ Name and contact information of the person making the complaint.
■ Brief description of the nature of the complaint.
■ Time and date the complaint was received.
■ Storm Drainage Utility staff assigned to respond.
Following initial response, the complaint record gets updated to include the results of inspections
and any corrective actions taken. If the complaint cannot be resolved internally within the Storm
Drainage Utility, the complaint record will be forwarded to Engineering for further investigation.
Notification of any system investigation and/or action is provided to the customer making the
complaint.
6.4.2 Emergency Response Program
The Storm Drainage Utility, in conjunction with the other utility divisions, has prepared an Emergency
Binder as a guide on how to handle emergency situations. While the guide is by no means all-
inclusive for every type of disaster, it is a valuable tool for dealing with many of the emergency
situations that municipalities face. Copies of the Emergency Binder are available at the M&O
Building, and at City Hall Annex with the Director.
The primary objectives of the Utilities response is ensuring public safety, restoring essential services
as quickly as possible, and providing assistance to other areas as required. There is also a master
response program for the entire City, as documented in the City's Comprehensive Emergency
Management Plan (CEMP). The material in the CEMP provides guidance for mitigation,
preparedness, responsibilities, recovery operations, training, and community education activities.
Copies of the CEMP are located in each City department, the M&O Building, and the VRFA.
The utility has implemented a standby program whereby one on -call employee is designated to be
the first to receive after-hours emergency calls. Most storm drainage system problems that occur
outside of normal working hours are reported through the City's 911 emergency response system or
a non- emergency response number. An emergency callout list is provided to the emergency operator
in order to contact utility staff in case of an emergency. The primary responder to those after-hours
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calls is the on -call employee. Storm Drainage Utility M&0 staff have been trained to respond to
system emergencies. The contacted staff assesses the situation, contacts additional staff as
necessary, and then responds in accordance with established emergency response procedures.
6.4.3 Source Control Inspection Program
Per the NPDES MS4 permit, the City must implement a program to prevent pollutant -laden runoff
from existing development to its MS4. A source control inventory of publicly and privately owned
institutional, commercial, and industrial sites with the potential to contribute pollutants to the MS4
was developed in 2022 and must be updated once every 5 years. The City is required to annually
inspect 20% of the sites listed in its source control inventory to assess compliance with source
control requirements, evaluate the effectiveness of existing BMPs (and provide recommendations),
and ensure required BMPs and actions are enacted through enforcement (as needed).
The City has hired a full-time employee to handle the SCIP. As the program is only in its second year,
the required time and resources are still being evaluated. It is recommended that the City document
these aspects and evaluate after 5 years. This will allow the City to develop a more accurate
estimate of the required FTE for implementation of the SCIP.
6.5 Data Collection and Record -Keeping
Data collection and record -keeping functions for the Storm Drainage Utility are performed using a
CMMS system called Cartegraph, a web -based commercial software package provided by Cartegraph
Inc. Cartegraph integrates GIS data with utility M&0 records, providing managers with overview
information about system and operational performance and field crews with information related to
the condition and failure history of specific stormwater facilities. The City currently uses Cartegraph
to plan field staff activities (work orders), record results of both routine and non -routine
maintenance, and compare actual maintenance efforts to City goals. The City recently upgraded its
Cartegraph system and plans to transition toward the use of Cartegraph as an asset management
tool, through which the City would optimize staffing and capital resource planning.
In recent years, the City has made considerable progress in adding asset information to Cartegraph,
specifically GIS data, physical information related to size and material, and installation dates. However,
to fully utilize the asset management function of Cartegraph, additional information related to risk,
asset criticality, and condition is also necessary. To assist the City's transition to an asset management
program, as described in Chapter 5, the attributes listed below should be used within Cartegraph to
define each of the City stormwater assets (catch basin, pipe segment, stormwater pond, etc.).
Asset -specific attributes. The following asset -specific attributes are related to the asset and remain
relatively unchanged over time.
■ Asset ID: The unique asset number that is used by all business systems to identify an asset.
■ Location: Where the asset is located (GIS).
■ Installation date: The date the asset was installed.
■ In-service date: The date the asset was placed into service.
■ Material: The material making up the composition of the asset's structure.
■ Asset class: A group of assets that share the same characteristics (e.g., ponds, pipe segments).
Asset class is used to estimate replacement costs and useful life of groups of assets.
■ Nameplate information and asset specifications: Important information that is used to
uniquely describe an asset, such as the manufacturer name, type of asset, serial number,
size, material, etc. This information is used for asset identification, replacement, and repair.
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Operation -specific attributes: The following attributes are related to routine operations (inspection
and repair or replacement) for each asset and must be updated afterwards accordingly.
■ Replacement cost: The cost to replace the asset.
■ Replacement year: The year the replacement cost data were calculated.
■ Inspection date: The date the asset was inspected.
■ Overall condition rating (OCR): The condition rating of the asset assigned as a result of the
inspection.
■ Overall condition index (OCI): A numeric score describing the condition of the asset, assigned
as a result of the inspection (related to OCR).
Post -processing attributes. The attributes listed below are generated using asset -specific and
operation -specific attributes data for each asset. These attributes are not manually entered. They are
calculated to determine the risk associated with each asset and prioritize future work accordingly (as
previously described in Chapter 5, and detailed in Appendix C).
■ Useful life: The average life expectancy of the asset (life expectancy estimates for the
different asset types can be found in Appendix C).
■ Remaining useful life: The age of the asset (installation year -current year) subtracted from
its useful life.
■ Asset criticality: A value assigned to each asset that indicates how essential it is to maintain
a defined LOS. Typically it is defined as a combined score based on the consequence of
failure and the likelihood of failure.
—► Criticality of failure: A score assigned to an asset on the scale of 1 to 5 that
communicates the social and economic cost if the asset fails, where a score of 1 would
represent an asset not expected to have extreme consequences after failure, and a score
of 5 would represent an asset that may have detrimental consequences after failure.
This score will not be entered manually into Cartegraph; it is determined largely based on
location -based factors and will be assigned using a GIS-based spatial analysis.
—► Likelihood of failure (condition): A score assigned to an asset on a scale of 1 to 5 that
communicates the estimated time until the asset fails, where a score of 1 would
represent an asset in excellent condition, and a score of 5 would represent an asset on
the brink of failure. This score will not be entered manually into Cartegraph. It is initially
calculated based on critical attributes (as defined in Appendix C), but after the inspection
date becomes available, the results of the inspection (OCI and OCR) will supersede the
estimated rank based on critical attributes in assigning a likelihood of failure score.
M&O attributes. The following M&O attributes are captured as part of the operations, maintenance,
and repair history associated with each asset:
■ Asset ID: The unique asset number that is used by all business systems to identify an asset.
Work orders should be associated with one or more assets.
■ Issue, cause, action: These codes are used to classify historical M&O activities associated
with corrective actions or unplanned maintenance.
--* Issue: What is the problem observed in the field?
—► Cause: What is the underlying cause of the problem?
—+ Action: What was done to address the cause?
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■ Target hours and actual hours: Recording the estimated hours and actual hours to complete
a work order can help in determining efficiency, planning workloads, and assessing
repair costs.
■ Target start and stop dates and actual dates: Recording the estimated and actual start and
stop dates for a work order can help in determining efficiency, planning workloads, and
assessing repair costs.
■ Work order costs: Work order costs include labor, parts, materials, and equipment and
should be accurately recorded for each work order.
■ Work order type: Work order types are used to group and compare different types of work
activities. Typical work order types are as follows:
—► Capital improvement: Work associated with a CIP.
—► Corrective maintenance: Work associated with an unplanned repair.
—+ Preventive maintenance: Work associated with a planned preventive maintenance
activity (or inspection).
—► Predictive maintenance: Work associated with predictive measures (usually for critical
assets).
Warranty information: Helps to determine assets that are under warranty and the warranty
maintenance requirements.
6.6 M&0 Staffing Requirements
This section outlines existing and future staffing requirements for M&0 staff.
6.6.1 Existing Staffing Requirements
Existing staffing requirements for M&0 activities discussed in this chapter were compiled and
evaluated to determine the M&0 staffing level needed to efficiently operate, maintain, repair the
storm drainage system and collect and report the information necessary to properly operate system.
Table 6-2 and Table 6-3 evaluate Storm Drainage Utility and Vegetation Maintenance Division staff,
respectively. Each table evaluates the estimated time to conduct storm drainage system M&0 tasks
in the manner currently performed. Calculated days for each M&0 activity are for a single person
performed over an 8-hour "day." Therefore, an activity that is performed quarterly and that requires
4 hours and two M&0 staff to complete would result in an annual requirement of 4 days.
Table 6-2. Existing Storm Drainage System Maintenance and Staffing Requirements
Work activity FrE days required annually
Assumptions/City goal
Catch basin and manhole inspection, cleaning, and repair
Catch basin inspection 270
Inspect once every 2 years. total of
10.800 catch basins. Perform
40 inspections per day with
2-person crew.
Manhole inspection 71)
Inspect once every 4 years. total of
3.172 manholes. Perform
20 inspections per day with
2-person crew.
Catch basin cleaning 68
1 cleaning is required for every
10 inspections-
2-person crew. 0.25 hour each.
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Table 6-2. Existing Storm Drainage System Maintenance and Staffing Requirements (continued)
Work activity
I TE days required annually
Assumptions/City goal
Manhole cleaning
32
1 cleaning is required for every
10 inspections.
2-person crew, 0.4 hour each.
Catch basin/manhole repair
155
310 repairs (approximately 5% of all
inspected) per year.
2-person crew, 0.5 hours each.
Stormwater pipeline cleaning
Pipeline cleaning
67
City expects 50.688 ft per year (entire
system in 25 years).
2-person crew can clean 1,500 ft of
pipe per day.
Stormwater outfall inspection, cleaning, and maintenance
Inspection/Cleaning
124
City goal is 2 times per year (124 total
outfalls).
2-person crew, 2 hours each.
Maintenance
2
City expects 10% of annual outfall
inspections to require an additional
maintenance visit.
2-person crew. 0.5 hours each.
Maintenance and restoration of drainage
ditches, stormwater ponds/swales, and permeable pavement ".
Drainage ditch maintenance and
166
City's goal is once every 5 years.
restoration
6-person crew, 200 ft per hour.
Stormwater pond and swale
28
6-person crew expected to
maintenance and restoration
maintain/restore 20% of the ponds
and swales within the system
per year.
Permeable pavement maintenance
9
City's goal is 2 times per year
and restoration
(approximately 89,000 square feet).
4-person crew, 0.3 miles per hour-
Stormwater facility inspection
Stormwater facility inspection
28
City goal is once per year for each
facility (approximately 300 total).
Includes ponds, swales, vaults, tanks,
UIC. LID, and manufactured treatment
devices-
1-person crew, 0.75 hours each.
Culvert inspection and cleaning
Culvert inspection and cleaning
291
City goal of once per year for each of
1,164 culverts-
2-person crew, 1 hour each.
Other stormwater M&O activities
General facility maintenance and
26
1 day per week.
other field tasks
2-person crew, 2 hours each.
Customer service
65
5 requests per week -a
requests/complaints
2-person crew, 1 hour each.
=overhead for routine operations
FTE total for Routine Operations
1410
Overhead
141
Assumed 10% of FTE total.
Data entry
130
20 hours per week total (8 people at
0.5 hours per day).
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Table 6-2. Existing Storm Drainage System Maintenance and Staffing Requirements (continued)
Work activity FTE days required annually Assumptions/City goal
SCIP
Implementation of SCIP 260 FTE reflects the full-time employee
who will be implementing the SCIP.
1 person, 52 weeks per year.
40 hours per week.
1,941
Total
2.135
Assumes 10% unquantified work
Total number of working days
221
365 minus weekends (104). holidays
available per FTE
(12). vacation (15), sick (12) and
training (1). _
Number of FTEs required
9.7
2,135 days required divided by
221 days per FTE year.
Current funded FTEs
10.0
10 full-time staff dedicated to field
inspection and maintenance.
Note: FTE = full-time equivalent. FTE days are defined as 8 hours.
a. Many customer service requests are related to maintenance needs for privately owned drainage systems
Table 6-3. Existing Vegetation Maintenance and Staffing Requirements
Work activity
FTE days required annually
Assumptions/City goal
Pond/Vegetation Management
Mowing
683
6-person crew. 40 hours per week for
7 months
Weeding/Spraying
152
4-person crew. 20 hours per week for
7 months
Weed Control/Herbicide Spraying
Weed Control/Herbicide Spraying
59
2-person crew. 3 days per week for
6 months
ROW and Ditch Mowing
Staff 1
137
40 hours per week for 9 months
Staff 2
49
2 days per week for 8 months
Tree Trimming and Removal
Tree Trimming and Removal
173
4-person crew. 40 hours per week for
4 months
Leaf Removal
Leaf Removal
390
2-person crew. 40 hours per week for
12 months
Tota 1
1,641
Total number of working days
221
365 minus weekends (104). holidays
available per FTE
(12), vacation (15). sick (12). and
training (1).
Number of FTEs required
7.4
1,641 days required divided by 221
days per FTE year
Current funded FTEs
7.6
6.6 FTE
3 seasonal staff
Note: FTE = full-time equivalent. FTE days are defined as 8 hours
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Table 6-2 shows that the Storm Drainage Utility meets the base level of staffing required with respect
to meeting current City proactive goals for M&0 activities. Additional staffing needs required to
implement future regulatory requirements and recommended management activities are discussed
in Section 6.6.2. Table 6-3 shows that there is adequate staffing to meet current vegetation
maintenance needs of the Storm Drainage Utility.
6.6.2 Future Staffing Requirements and Equipment Needs
The M&0 activities discussed in Section 6.2 and summarized in Table 6-2 are current efforts and do
not include additional activities that will be required as part of the revised NPDES MS4 permit. In
order to implement newly recommended asset management tasks with respect to drainage ditches
and pipe inspection (see Table 6-4), additional staffing may be required. Future staffing
requirements are summarized in the sections below.
6.6.2.1 Drainage Ditch Maintenance Program
The City's ditch maintenance program was reviewed by Parametrix on behalf of this Plan to
determine if additional controls and resources are required to meet needs and address potential
liabilities. As a result of the review, it is recommended that the City categorize ditches according to
the anticipated M&0 needs (roadside ditch, facility -related, and collection [other]) and incorporate
inspection as a new aspect in the ditch maintenance program. Figure 6-1 shows the extent of the
City's ditch inventory and the recommended categorization according to M&0 needs.
Roadside ditches are expected to require constant maintenance. Additional or enhanced actions are
not anticipated at this time but could be an outcome of an enhanced maintenance program that
could be proposed or required under the NPDES MS4 permit. The collection ditches will require
additional routine maintenance, such as annual mowing and sediment removal. Facility -related
ditches are recommended to be maintained and inspected with the facilities they are related to. This
will require adjusting the City's goal of maintenance frequency.
Inspection will involve field verifying the condition, updating the asset inventory with findings, and
generating a work order (as needed). Work orders will ensure the appropriate staff are aware of the
issue (M&0, vegetation, office staff, etc.). Features in need of action are prioritized, and that work is
scheduled appropriately. The following items will require consideration in incorporating the proposed
ditch maintenance program.
■ How does inspection turn into a work order?
■ How often should ditches be inspected?
■ What are the thresholds for action?
Because the inspection process is new, it is expected to take time to understand the staff and time
needed as well as to set an achievable goal for inspection of the entire system. To begin to
understand the expectation of M&0 staff, starting estimates were developed for consideration. For
the purposes of this Plan, inspection is anticipated to require a one -person crew to inspect 500 feet
of ditch per hour, and it is recommended to inspect all ditches within the program annually. Further,
the frequency and resources needed for this program should be evaluated every 5 years.
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Date. 5/10/2024
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purposes and may not have been pref—cl for, or Maintenance & Operations (M&O) Categorization
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Draft Comprehensive Storm Drainage Plan Update
City of Auburn
For the near -term future ditch program, additional analysis and resource streams have been
identified. The proposed ditch inspection program and recordkeeping will be initiated. New protocols
for finding, adding, mapping, and classifying ditches in the system are needed and should primarily
focus on collector and facility ditches. Newly added ditches will require ownership and responsibility
research and subsequent easements or purchase. The ditch inspections may reveal system failures
that require minor capitol repairs or replacement. The projects should be added as a programmatic
CIP. In addition, an assessment to consider ditch improvements for water quality improvement will
be prepared, focused on roadside ditches.
The findings and recommendations of the drainage ditch maintenance program have been
discussed in further detail in Appendix E.
Taking this into consideration, the City will need to increase the expectation of overall Storm
Drainage Utility staffing in order to dedicate more staff to drainage ditch maintenance and
restoration (see Table 6-4). It is recommended that the City consider adjusting from the current
levels to a regulated biannual basis for maintaining the its ditch inventory. In addition, it would be
recommended to inspect the ditch inventory annually to prioritize ditches for maintenance. In order
to meet this goal, approximately 363 FTE days (with a six -person crew), or 1.6 FTE per year would be
needed (see Table 6-4).
6.6.2.2 Stormwater Pipe Inspection
As explained in Chapter 5.2, the City has a goal to implement an inspection prioritization program for
its stormwater pipe system. The program will prioritize inspection for pipes with the highest likelihood
of failure scores, which are generally those that are older, have little to no critical attribute data on
record, or have no recorded history inspection. As part of the inspection process, feature attributes
will be added/updated to the CMMS system, resulting in a robust pipe inventory and a more efficient
use of resources. In the beginning of the program, there will be a greater number of pipes with high
likelihood of failure scores (approximately 52,000 feet of pipe) since there is a large amount of
missingfeature data, and approximately 15,000 feet of the City's pipe system per year is expected
to have surpassed its expected useful life (see Appendix C).
They City will slowly expand its pipe inspection program as time and finances allow, beginning with
periodic use of the Sanitary Sewer Utility's closed-circuit television (CCTV) equipment on an
as -needed basis. Since the CCTV equipment will be used as -needed, it is not anticipated to require
additional FTE days at this time and has not been included in Table 6-4. Dedicated equipment for
the storm utility will be investigated and worked into future budget cycles.
"tamping" inspections, where the camera is inserted into the manhole or catch basin but not
advanced through the pipe system, are typically performed as a first step of the CCTV process.
Although the visual range is limited, lamping can identify structures and piping that are in very good
condition. In these cases, no additional CCTV inspection would be necessary. Lamping can be
utilized in many areas to get a baseline and can be done with current equipment. It is not a full
substitute for CCTV inspections but will help get the program going before additional equipment can
be purchased.
6.6.2.3 Other M&O Activities
The NPDES MS4 permit requires the City to implement a municipal street sweeping program to
target high -priority areas (see Section 5.3). The City will need to review the existing street sweeping
program and ensure the permit requirements are addressed or revised, as necessary. The new
requirements are not anticipated to require additional FTE days for sweeping crews.
August 2024 1 553-1931-052 6-15
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Draft Comprehensive Storm Drainage Plan Update
City of Auburn
Table 6-4. Future Storm Drainage System Maintenance and Staffing Requirements
Work activity
FTE days required annually
Assumptions/City goal
Drainage ditch maintenance program
Drainage ditch inspection
55
1-person crew, 500 ft per hour.
Inspection of the entire system
(-220,000 ft) annually.
Roadside ditch maintenance and
327
6-person crew, 200 ft per hour.
restoration
Expect to maintain the entire category
(79% of drainage ditch inventory)
every 2 years -
Collector -ditch maintenance and
79
6-person crew, 200 ft per hour.
restoration
Expect to maintain the entire category
(20% of drainage ditch inventory)
every 2 years.
Facility -related ditch maintenance
20
6-person crew. 200 ft per hour
and restoration
Expect to maintain (1% of drainage
ditch inventory) at the same time as
maintenance occurs for the related
facility (annually).
Total
530
Assumes 10% unquantified work
Additional FTE required for ditch
363
Subtracting the existing staffing goal
maintenance and restoration
(166 FTE days) to understand the
additional need.
Total number of working days
221
365 minus weekends (104). holidays
available per FIFE
(12). vacation (15), sick (12), and
training (1).
Number of FIFES required
1.6
363 days required divided by 221
days per FIFE year.
Note: FIFE = full-time equivalent
6.6.2.4 Equipment Considerations
The Storm Drainage Utility utilizes the Sanitary Sewer Utility's reallocated CCTV inspection equipment
and truck. New equipment would allow for increased efficiency and inspection frequency. It is
recommended that the City consider the benefit of acquiring a CCTV for the Storm Drainage Utility
after the pipe inspection program has been in effect for 5 years.
6.7 Potential Improvement Opportunities and Capital Needs
The Storm Drainage Utility has a positive track record for M&0, as evidenced by the limited need for
non -routine maintenance and few customer service complaints about the City's drainage system.
Routine facility cleaning, regular inspections, experienced staff, and a well -planned storm drainage
system contribute to that success. Additionally, significant increases to the drainage ditch
maintenance and pipeline inspection program could be addressed by the City by adding to the
current Storm Drainage Utility M&0 staff. An additional 1.6 FTEs are required to achieve proactive
City M&0 goals (Table 6-4).
August 2024 1553-1931-052 6-16
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Draft Comprehensive Storm Drainage Plan Update
City of Auburn
Based upon discussions with City staff and analysis of M&O activities discussed in this chapter, the
following improvement opportunities are available to the Storm Drainage Utility. These opportunities
are based on improving existing services, regulatory compliance, and improving work productivity:
■ Continue to integrate asset management with existing utility management software
(Cartegraph and GIS).
-+ Continue to add GIS attributes to known Storm Drainage Utility assets.
—► Perform and document condition assessments. Use defined criteria (such as
leaks/cracks observed, cleanliness, and other specific measures), and provide staff
training to ensure assessment consistency.
—► Use results of condition assessments to move toward risk -based maintenance to best
utilize staff resources. For example, consistently high assessment scores would result in
a lower risk or need for maintenance, allowing M&O staff to be diverted to more essential
activities.
—► Over time, demonstrate (through maintenance records) that a subset of City catch basins
do not require inspection, cleaning, and maintenance every 2 years per the NPDES
MS4 permit.
■ Reevaluate the inspection frequency and expected effort for the pipe inspection and ditch
maintenance programs to adjust as needed.
■ Consider obtaining a CCTV inspection equipment for pipe inspection the following utility
equipment to improve M&O efficiency.
• Consider aligning catch basin cleaning with stormwater pipeline cleaning and CCTV to ensure
efficient use of available resources.
■ All M&O repair projects should be constructed to established City engineering standards. It is
recommended that the City develop a more formal procedure for tracking M&O repair
projects to ensure that as -built and GIS records are updated when repairs are completed.
■ Develop a list of facilities that should be inspected following major design storms and inspect
accordingly to verify proper function and identify damage, if any.
■ Document the time and resources required on behalf of the SCIP program. Evaluate the
resource need of the program after 5 years. This will allow the City to develop a more
accurate estimate of the required FTE for implementation of the SCIP.
■ Continue to develop the ditch maintenance program as broken down in the steps below.
—► Ditch mapping and classification: Develop protocols for finding, adding, mapping, and
classifying ditches within the system. Focus primarily on collector and facility ditches.
Accurate mapping and classification will help prioritize maintenance efforts.
—► Adding new ditches: Consider the steps required when adding new ditches to the system.
Elements to address include determining ownership, responsibility, and any necessary
easements or land purchases. Having a clear plan in place ensures smooth integration of
new ditches.
—► System failures and CIP: Use the results of regular ditch inspections to identify system
failures. System failures may include erosion, blockages, or other issues that require
capital repair or replacement. Add a program to the CIP to address ditches with these
system failures.
August 2024 1 553-1931-052 6-17
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Draft Comprehensive Storm Drainage Plan Update
City of Auburn
—► Water quality improvements: Implement a program that focuses on retrofitting ditches
with water quality enhancements. Specifically target roadside ditches, which play a
crucial role in managing runoff and pollutant removal.
■ Coordinate with the Street division to review and revise the City's street sweeping plan, as
needed.
August 2024 1 553-1931-052 6-18
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Draft Comprehensive Storm Drainage Plan Update
City of Auburn
Capital Improvements
This chapter describes the recommended capital improvement plan for the City of Auburn Storm
Drainage Utility. Of the 12 CIPs described in this chapter, 4 are included in the 6-year plan
(2025-2030) and 8 are included in the 20-year plan (2031-2044). The 6-year plan includes the
highest priority CIPs that address existing drainage problems, address an ongoing waste disposal
issue, and ensure compliance with NPDES MS4 permit deadlines. The 20-year plan addresses longer -
term capital goals (see Chapter 8). This Plan contains timeframes that are the intended framework for
future funding decisions and within which future actions and decisions are intended to occur. However,
these time frames are estimates and, depending on factors involved in the processing of applications
and project work and the availability of funding, the timing may change. The framework, which may
depend on available funding resources, does not represent actual commitments by the City of Auburn.
In general, CIPs are modifications to stormwater drainage infrastructure designed to improve the
condition and function of the drainage system so that it can meet the LOS goals established for the
City's Storm Drainage Utility (see Chapter 3). CIPs may also be developed to ensure the utility is able
to carry out routine operations and ensure compliance with permit requirements.
The CIPs presented in this chapter were identified and developed through focused investigations and
by working collaboratively with City staff. This focused and collaborative approach was based on the
practical consideration that the quantity and delivery of CIPs the City can implement is limited by
existing revenue streams and staff availability. The intent is to produce an economical capital
improvement plan that addresses the most salient issues in the near term, while still planning for the
long-term ability of the Storm Drainage Utility to meet LOS goals. The following steps were used to
develop the CIPs.
A list of potential projects was developed for further investigation. The list was developed by working
closely with City staff to identify the delayed projects from the 2015 Plan that were still necessary or
beneficial to the Utility, locate and characterize existing problems based on direct staff observations,
recognize potential opportunities for enhancement, and address needs of the utility. Projects that
were generated on behalf of the SMAP for Olsen Creek were also included in this list. Such
observations are a valuable supplement to modeling analyses and, in this case, were used in
conjunction with modeling activities to assist with model development.
For the potential projects that required H&H analyses, modeling was completed using PCSWMM, a
software package that uses GIS technology to import and export data, allowing a seamless transition
between the system inventories and modeling input files. Models used the historical event that most
closely produced a once per 25-year flow rate (the specific event varied by basin). Results from
historical events were used to assess the extent and severity of the drainage problem. Results from
the design event were used to understand the feasibility of the potential project in mitigating the
drainage problem.
Potential projects were developed and discussed with members of the City staff to identify the most
viable alternative/solution. Potential projects were then evaluated based on their potential benefit
and feasibility, and a final list was developed. Once the projects were defined, the project team
developed concept -level cost estimates.
An overview of project locations is shown in Figure 7-1. Section 7.1 describes a tiered method for
establishing project priorities. Section 7.2 presents detailed descriptions of CIPs. Section 7.3
describes programmatic drainage projects.
August 2024 1553-1931-052 7-1
Page 101 of 769
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2
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3
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4
SE 284th Street East Bioswale Additions
5
124th Avenue SE near 293rd Street Stormwater Treatment Device
6
Vintage Hills Swale Retrofit
7
124th Avenue SE near SE 307th Place Stormwater Treatment Device
8
124th Avenue SE near SE 302nd Place Stormwater Treatment Device
9
30th Street NE Area Flooding, Phase 2
10
Vegetative Waste Sorting Facility
11
Christa Ministries Facility Retrofit
12
West Main Street Pump Station Upgrade
-. i Auburn City Limits
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CIP Location
Figure 7-1
Capital Improvement Project (CIP) Locations
Stormwater Drainage Utility
Comprehensive Storm Drainage Plan
Pardmetriv2�A$�7��'
Draft Comprehensive Storm Drainage Plan Update
City of Auburn
7.1 Project Prioritization
Storm Drainage Utility staff prioritized CIPs by grouping them into one of three tiers. Projects in the
top tier, or highest priority, are classified as tier 1. Projects with medium priority are classified as
tier 2. And projects with lowest priority relative to the other projects are considered tier 3.
The following items were considered when prioritizing the CIPs:
■ The magnitude of the LOS gap that would be addressed by a CIP. For example, a project that
rectifies an annual flooding problem would rank higher than a project in a different area that
eliminates less frequent flooding.
■ The reduction in risk and reduction in consequences associated with a CIP. For example, the
consequence of flooding that occurs near critical facilities (e.g., hospital or fire station) or
along major arterial streets may be larger than flooding along residential streets. A CIP that
addresses a larger consequence would rank higher.
■ The opportunity for coordination with ongoing City of Auburn street improvements or other
utility or transportation projects. Coordinated projects that reduce the overall cost of a CIP
would rank higher.
■ The capital funding capacity of the Storm Drainage Utility. The overall list of project priorities
attempts to balance the need for action with the funding and implementation capacity of the
Storm Drainage Utility.
■ The action deadlines necessary for compliance with the NPDES MS4 permit.
■ Other considerations with the potential to improve water quality, reductions in maintenance,
and increased reliability of the system.
Priorities for each project are included in each project description in the following sections. Project
priority and budgetary constraints were considered together in developing the year -by -year schedules
for project implementation in the 6- and 20-year capital improvement plans (see Chapter 8).
7.2 Proposed Capital Improvement Projects
CIPs described in this section were developed as part of this Plan and are described in sufficient
detail to allow the City to proceed with budgeting and design. Project descriptions are organized into
summaries containing the following information:
■ Project number: CIP numbers generally assigned to align with the number given in the SMAP
(as applicable) for consistency.
■ Project name: A short, descriptive name assigned to each project.
■ Project type: A brief description of the specific type of project being undertaken, used to
categorize and identify the purpose or focus of the project.
■ Location: A simple description of the project location, such as the cross streets.
■ Existing and proposed use: A summary of the existing and proposed site conditions.
■ Drainage basin: The receiving water drainage basin where the project is situated.
■ Tributary drainage area: Area (in acres) that drains to the project (as applicable).
■ Total cost: The estimated cost of the project, based on the attached opinion (estimate) of
probable cost.
August 2024 1 553-1931-052 7-3
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Draft Comprehensive Storm Drainage Plan Update
City of Auburn
■ Project description: A description of the proposed project, including major project elements
and sizes.
■ Site opportunities: The anticipated opportunities and benefits of the project.
■ Site challenges: The anticipated challenges in undertaking the project.
■ Opinion (estimate) of probable cost: A list of estimated costs, including construction costs,
engineering and administrative costs, taxes, and contingency costs. The estimate was
developed based on the conceptual design, preliminary quantity take -offs, and estimated
unit costs. Estimated unit costs were based on bids from the WSDOT Unit Bid Tab, vendor
quotes, and escalated project costs from recent projects with similar components.
■ Vicinity map: A figure showing the location of the project relative to the City of Auburn.
■ Proposed conditions figures: Figures showing the conceptual design and location of
project elements.
CIP summaries and cost opinions are presented on the following pages.
August 2024 � 553-1931-052 7-4
Page 104 of 769
Parametrik
Vicinity Map
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sa»th St c
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SE2&athSt
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Project Description
CIP 1 - SE 287th Street Stormwater Device
6-Year Capital Improvement Plan (Priority 1)
RETROFIT TYPE
Road retrofit
Manufactured treatment device
LOCATION
At the end of SE 287th Street
EXISTING USE
ROW
PROPOSED USE
ROW with enhanced runoff
treatment
DRAINAGE BASIN
Olson Creek
TRIBUTARY DRAINAGE AREA
7.3 acres total
2.0 acres impervious
TOTAL COST (2024 DOLLARS)
$427,000
This project is proposing to replace the existing Type 1 catch basin with a stormwater treatment technology reviewed and certified by the
Washington state Technology Assessment Protocol - Ecology (TAPE) program to provide 7.3 acres with enhanced water quality treatment.
This project would provide treatment for approximately 700 linear feet of roadway. The catch basin replacement will likely be low complexity
since there is existing infrastructure in place and traffic control needs will be low. Final size, placement, and configuration of the project
components may be adjusted as the design progresses.
Site Opportunities
■ Low traffic control requirements.
Site Challenges
■ Water quality only. no flow control.
■ Need site survey to confirm catch basin is located within City ROW.
August 2024 1553-1931-052 Page 105 bf 769
Opinion (Estimate) of Probable Cost
Project Name CIP 1 - SE 287th Street Stormwater Device
Location At the end of SE 287th Street (Near 10624 SE 287th Street, Auburn, WA 98092)
ITEM
NO.
SPEC
SECTION
DESCRIPTION
CITY
UNIT
UNIT PRICE
ITOTALCOST
SITE PREP AND TESC
1
MOBILIZATION (10%)
10 %
% of lines 5-13
$14,442
2
CONTRACTOR PROVIDED SURVEY (3%)
3%
% of lines 5-13
$4,332
3
TESC (5%)
5 %
% of lines 5-13
$7,221
4
DEWATERING (2%)
2%
% of lines 5-13
$2,888
Lines 1 - 4 Subtotal
$28,883
MATERIALS
5
SAWCUTTING
56
LF
$31
$1,715
6
PAVEMENT REMOVAL/RESTORATION
11
SY
$220
$2,347
7
ENHANCED MEDIA FILTER SYSTEM 6X8
2
EA
$60,000
$120,000
8
CONNECTION TO DRAINAGE STRUCTURE
4
EA
$3,415
$13,661
9
STRUCTURE EXCAVATION CLASS A INCL. HAUL
44
CY
$41
$1,824
10
SHORING OR EXTRA EXCAVATION CLASS B
1
LS
$1,000
$1,000
11
STRUCTURE EX AND SHORING LABOR (50% OF EACH)
50
% of lines 9-10
$1,412
12
CRUSHED SURFACING BASE COURSE
3
TN
$54
$176
13
RECORD DRAWINGS
1
LS
$2,280
$2,280
Lines 5 - 13 Subtotal
$144,416
Subtotal Line -Item Costs
$173,299
Design Contigency
50%
$86,649
Permitting
5%
$8,665
Design
25%
$43,325
City Project Mgmt. Admin.
5 %
$8,665
Construction Management
25%
$43,325
Management Reserve
10 %
1 $17,330
TOTAL PROJECT COST
$382,000
August 2024 1553-1931-052 Page 106 bf 769
CIP 2 - SE 284th Street & 109th Avenue SE Bioswale
Parametrik Additions
Vicinity Map
N
5'tTM) St a
,
Project Description
20-Year Capital Improvement Plan (Priority 3)
RETROFIT TYPE
Road retrofit
New bioswales
LOCATION
SE 284th Street and
109th Avenue SE
EXISTING USE
ROW (vegetated and gravel
driveway)
PROPOSED USE
ROW with basic runoff treatment
DRAINAGE BASIN
Olson Creek
TRIBUTARY DRAINAGE AREA
20.6 acres total
3.0 acres impervious
TOTAL COST (2024 DOLLARS)
$143.000
This project will retrofit a section of SE 284th Street by adding two bioswale ditch enhancements. The bioswales will provide basic water
quality treatment to 20.6 acres, including approximately 2.300 linear feet of roadway. Final size, placement, and configuration of the project
components may be adjusted as the design progresses.
Site Opportunities
■ Treatment can be situated within ROW-
■ Provides some flow control.
Site Challenges
■ Clearing and grubbing required.
August 2024 1553-1931-052 Page 107 bf 769
Opinion (Estimate) of Probable Cost
Project Name CIP 2 - SE 284th Street & 109th Avenue SE Bioswale Additions
Location SE 284th Street and 109th Avenue SE
ITEM
NO.
SPEC
SECTION
DESCRIPTION
CITY
UNIT
I UNIT PRICE
I TOTAL COST
SITE PREP AND TESC
1
MOBILIZATION (10%)
10%
% of lines 5-9
$5,390
2
CONTRACTOR PROVIDED SURVEY (3%)
3 %
% of lines 5-9
$1,617
3
TESC (5%)
5%
% of lines 5-9
$2,695
4
DEWATERING (2%)
2%
% of lines 5-9
$1.078
Lines 1 -4 Subtotal
$10,781
MATERIALS
5
CLEARING AND GRUBBING
01
ACRE
$10,000
$1,045
6
CHANNEL EXCAVATION INCL. HAUL
169
CY
$40
$6,724
7
TOPSOIL TYPE A
253
SY
$66
$16,599
8
COMPOST BLANKET
42
SY
$8
$337
9
SEEDING, FERTILIZING, AND MULCHING
506
SY
$58
$29,200
Lines 5 .9 Subtotal
$53,904
Subtotal
Line -Item Costs
$64,685
Design Contigency
50%
$32,343
Permitting
5%
$3,234
Design
25%
$16,171
City Project Mgmt. Admin.
5%
$3,234
Construction Management
25%.
$16,171
Management Reserve
10%
$6,469
TOTAL
PROJECT COST
$143,000
August 2024 1553-1931-052 Page 108 bf 769
Parametrix
Vicinity Map
r
t--� --------- --- -
\
SE 284th St
z
w
Project Description
CIP 3 - SE 284th Street West Bioswale Additions
6-Year Capital Improvement Plan (Priority 1)
' «�A
RETROFIT TYPE
Road retrofit
New bioswales
LOCATION
Along SE 284th Street
EXISTING USE
ROW
PROPOSED USE
ROW with basic runoff treatment
DRAINAGE BASIN
Olson Creek
TRIBUTARY DRAINAGE AREA
2.2 acres total
1.1 acres impervious
TOTAL COST (2024 DOLLARS)
$52,000
This project will retrofit a section of SE 284th Street by adding two bioswale ditch enhancements to the side of the road. The bioswales will
provide basic water quality treatment to 2.2 acres, including approximately 700 linear feet of roadway. Final size, placement, and
configuration of the project components may be adjusted as the design progresses.
Site Opportunities
■ Treatment can be situated within ROW.
■ Provides some flow control_
Site Challenges
■ Clearing and grubbing required.
August 2024 1 553-1931-052 Page 109 bf 769
Opinion (Estimate) of Probable Cost
Project Name CIP 3 - SE 284th Street West Bioswale Additions
Location Along SE 284th Street (Near 11429 SE 284th Street, Auburn, WA 98082)
ITEM
NO.
SPEC
SECTION
DESCRIPTION
CITY
UNIT
I UNIT PRICE
TOTAL COST
SITE PREP AND TESC
1
MOBILIZATION (10%)
10%
% of lines 6-10
$1,719
2
CONTRACTOR PROVIDED SURVEY (3%)
3%
% of lines 6-10
$516
3
TES C (5%)
5%
% of lines 6-10
$860
4
DEWATERING (2%)
2 %
% of lines 6-10
$344
5
PROJECT TEMPORARY TRAFFIC CONTROL (15%)
15 %
% of lines 6-10
$2,579
Lines 1 - 5 Subtotal
$6,017
MATERIALS
6
CLEARING AND GRUBBING
0.04
ACRE
$10.000
$419
7
CHANNEL EXCAVATION INCL. HAUL
68
CY
$40
$2,698
8
TOPSOIL TYPE A
34
SY
$66
$2,221
9
COMPOST BLANKET
17
SY
$8
$135
10
SEEDING, FERTILIZING, AND MULCHING
203
SY
$58
$11,718
Lines 6 -10 Subtotall
$17,192
Subtotal
Line -Item Costs
$23,209
Design Contigency
50 %
$11,604
Permitting
5%
$1,160
Design
25%
$5,802
City Project Mgmt. Admin.
5%
$1,160
Construction Management
25%
$5,802
Management Reserve
10 %
$2,321
TOTAL
PROJECT COST
$52,000
August 2024 1 553-1931-052 Page 11 Tdf 769
Parametrik
Vicinity Map
'---, ---------------
SE 284th St
Project Description
CIP 4 - SE 284th Street East Bioswale Additions
20-Year Capital Improvement Plan (Priority 3)
RETROFIT TYPE
Road retrofit
New bioswale
LOCATION
Along SE 284th Street
EXISTING USE
Roadside ditch
PROPOSED USE
Roadside bioswale
DRAINAGE BASIN
Olson Creek
TRIBUTARY DRAINAGE AREA
1.8 acres total
0.8 acres impervious
TOTAL COST (2024 DOLLARS)
$28,000
This project will retrofit a section of SE 284th Street by adding a bioswale ditch enhancement to the side of the road. This bioswale will
provide basic water quality treatment to 1.8 acres, including approximately 1.600 linear feet of roadway. Final size, placement and
configuration of the project components may be adjusted as the design progresses.
Site Opportunities
■ Treatment can be situated within ROW.
■ Provides some flow control.
Site Challenges
■ Clearing and grubbing required.
August 2024 1553-1931-052 Page 11 T-bf 769
Opinion (Estimate) of Probable Cost
Project Name CIP 4 - SE 284th Street East Bioswale Additions
Location Along SE 284th Street (Near 11619 SE 284th Street, Auburn, WA 98082)
ITEM
NO.
SPEC
SECTION
DESCRIPTION
OTY
UNIT
UNIT PRICE
TOTAL COST
SITE PREP AND TESC
1
MOBILIZATION (10%)
10 %
% of lines 6-10
$932
2
CONTRACTOR PROVIDED SURVEY (3%)
3 %
% of lines 6-10
$280
3
TESC (5%)
5%
% of lines 6-10
$466
4
DEWATERING (2%)
2 %
% of lines 6-10
$186
5
PROJECT TEMPORARY TRAFFIC CONTROL (15%)
15%
% of lines 6-10
$1,398
Lines 1 - 5 Subtotal
$3,262
MATERIALS
6
CLEARING AND GRUBBING
0.02
ACRE
$10,000
$227
7
CHANNEL EXCAVATION INCL. HAUL
37
CY
$40
$1,463
8
TOPSOIL TYPE A
18
SY
$66
$1,204
9
COMPOST BLANKET
9
SY
$8
$73
10
ISEEDING, FERTILIZING, AND MULCHING
110
SY
$58
$6,353
Lines 6 - 10 Subtotal
$9,321
Subtotal Line -Item Costsl
$12,583
Design Contigency
50 %
$6,292
Permitting
5%
$629
Design
25%
$3,146
City Project Mgmt. Admin.
5%
$629
Construction Management
25%
$3,146
Management Reserve
10 %
$1,258
TOTAL PROJECT COST
$28,000
August 2024 1553-1931-052 Page 112-6f 769
CTP 5 - 124th Avenue SE near SE 293rd Street
Parametric, Stormwater Treatment Device
Vicinity Map
--- :�-_�imncv?c:wcriv
---------
ie
Project Description
20 Capital Improvement Plan (Priority 2)
RETROFIT TYPE
Road retrofit
Manufactured treatment device
LOCATION
124th Avenue SE near
SE 293rd Street
EXISTING USE
Untreated ROW
PROPOSED USE
ROW with enhanced runoff
treatment
DRAINAGE BASIN
Olson Creek
TRIBUTARY DRAINAGE AREA
14.1 acres total
2.4 acres impervious
TOTAL COST (2024 DOLLARS)
$581,000
This project will retrofit a section of 124th Avenue SE by replacing existing Type 1 catch basins with TAPE -approved manufactured treatment
devices. The manufactured treatment devices will provide enhanced water quality treatment to 14.1 acres, including approximately 800
linear feet of roadway. Final size, placement, and configuration of the project components may be adjusted as the design progresses.
Site Opportunities
■ Provides enhanced stormwater treatment for a high traffic roadway.
Site Challenges
■ May be constrained by outlet height
■ Coordination with other utilities.
August 2024 1 553-1931-052 Page 113-0 769
Opinion (Estimate) of Probable Cost
Project Name CIP 5 - 124th Avenue SE near SE 293rd Street Stormwater Treatment Device
Location Along 124th Avenue SE near SE 293rd Street
ITEM SPEC
NO.
SECTION
DESCRIPTION
CITY
UNIT
UNIT PRICE
TOTAL COST
SITE PREP AND TESC
1
MOBILIZATION (10%)
10%
% of lines 6-16
$19,562
2
CONTRACTOR PROVIDED SURVEY (3%)
3%
% of lines 6-16
$5,868
3
TESC (5%)
5%
% of lines 6-16
$9,781
4
DEWATERING (2%)
2%
% of lines 6-16
$3,912
5
PROJECT TEMPORARY TRAFFIC CONT ROL (15%)
15%
% of lines 6-16
$29 342
Lines 1 - 5 Subtotal
$68,466
MATERIALS
6
UTILITY RELOCATION (SMALL)
1
LS
$15,000
S15,000
7
PAVEMENT REMOVAL/RESTORATION
52
SY
$220
$11,489
8
REMOVE CEMENT CONCRETE CURB AND GUTTER
20
LF
$14
$274
9
ENHANCED MEDIA FILTER SYSTEM 6X10
2
EA
$68,000
$136,000
10
CONNECTION TO DRAINAGE STRUCTURE
4
EA
$3,415
$13,661
11
STRUCTURE EXCAVATION CLASS A INCL. HAUL
52
CY
$41.04
$2,128
12
SHORING OR EXTRA EXCAVATION CLASS B
1
LS
$1,000
$1,000
13
STRUCTURE EX AND SHORING LABOR (50% OF EACH)
50
% of lines 11-12
$1,564
14
CRUSHED SURFACING BASE COURSE
4
TN
$54
$220
15
ISCHEDULE A STORM SEWER PIPE 12 IN. DIAM.
100
LF
$120
$12,000
16
RECORD DRAWINGS
1
LS
$2,280
1 $2.280
Lines 6 - 16 Subtotal
$195,616
Subtotal Line -Item Costs
S264,082
Design Contigency
50%
$132,041
Permitting
5%
$13,204
Design
25 %
$66,020
City Project Mgmt. Admin.
5%
$13,204
Construction Management
25%
$66,020
Management Reserve
10 %
$26,408
TOTAL PROJECT COST
$581.000
August 2024 1553-1931-052 Page 11 4-6f 769
Parametr k
Vicinity Map
SE 284th`'t i
o a
��. ----------
5
SE 304th St
Aln IB
CIP 6 - Vintage Hills Swale Retrofit
20-Year Capital Improvement Plan (Priority 1)
Proposed Conditions Map
_.-..,.,..�ao.y..,, Replace Soil in
Existing Swale
CfT3Dgw6Ii Qft1L1C,tUEY3 QX1{llt,1'AF,Y;f ,__,A
Existing Detention
Vaults
Mr %1MCxr M
RETROFIT TYPE
Existing facility retrofit
Swale soil amendment
LOCATION
Along 124th Avenue SE
EXISTING USE
Bioswale
PROPOSED USE
Bioretention swale with enhanced
treatment
DRAINAGE BASIN
Olson Creek
TRIBUTARY DRAINAGE AREA
5.0 acres total
1.1 acres impervious
TOTAL COST (2024 DOLLARS)
$264,000
Project Description
This project is proposing to amend the soil in the existing Vintage Hills swale. The soil will be replaced from conventional soil to bioretention
soil to provide enhanced treatment for 5.0 acres. Rock check dams may be required throughout the length of the swale to ensure infiltration
occurs to provide treatment. Final size, placement, and configuration of the project components may be adjusted as the design progresses.
Site Opportunities
■ Upgrading vintage basic treatment to enhanced treatment.
Site Challenges
■ Water quality only, no flow control (though flow control is provided by the detention vaults).
August 2024 1 553-1931-052
Page 113-M 769
Opinion (Estimate) of Probable Cost
Project Name CIP 6 - Vintage Hills Swale Retrofit
Location Along 124th Avenue SE (Near 29501 125th Avenue SE, Auburn. WA 98082)
ITEM
NO.
SPEC
SECTION
DESCRIPTION
CITY
UNIT
UNIT PRICE ]TOTALCOST
SITE PREP AND TESC
1
MOBILIZATION (10%)
10°%
°% of lines 6-13
$10,458
2
CONTRACTOR PROVIDED SURVEY (3%)
3%
% of lines 6-13
$3,137
3
TESC (5%)
5%
% of lines 6-13
$5,229
4
DEWATERING (2%)
2%
% of lines 6-13
$2,092
5
PROJECT TEMPORARY TRAFFIC CONTROL (15%)
15 %
%, of lines 6-13
$15,687
Lines 1 - 5 Subtotal
$20,915
MATERIALS
6
CHANNEL EXCAVATION INCL. HAUL
151
CY
$40
$6,012
7
EROSION CONTROL BLANKET
75
SY
$9
$687
8
18" BIORETENTION SOIL
750
SF
$120
$90,000
9
COMPOST BLANKET
75
SY
$8
$603
10
QUARRY SPALLS
6
TN
$70
$424
11
TRASH RACK
1
EA
$500
$500
12
SEEDING, FERTILIZING, AND MULCHING
75
SY
$58
$4,351
13
RECORD DRAWINGS
i
LS
$2.000
$2.000
Lines 6 - 13 Subtotal
$104,577
Subtotal Line -Item Costs
$125,492
Design Contigency
50%
$62,746
Permitting
5%
$6,275
Design
15 %
$18,824
City Project Mgmt. Admin.
5%
$6,275
Construction Management
25%
$31,373
Management Reserve
10%
$12,549
TOTAL PROJECT COST
$264,000
August 2024 1553-1931-052 Page 116-df 769
CIP Y -124th Avenue SE near SE 307th Place
Pe ra m et r i k Stormwater Treatment Device
20-Year Capital Improvement Plan (Priority 2)
Vicinity Map ;
'-------•-
N �
L Y
SE 304th St
a
W 18
SE 312th St '
n
SE 320th St i d°ice
Project Description
RETROFIT TYPE
Road retrofit
Manufactured treatment device
LOCATION
124th Avenue SE near
SE 307th Place
EXISTING USE
Untreated ROW
PROPOSED USE
ROW with enhanced runoff
treatment
DRAINAGE BASIN
Olson Creek
TRIBUTARY DRAINAGE AREA
5.9 acres total
1.4 acres impervious
TOTAL COST (2024 DOLLARS)
$531,000
This project will retrofit a section of 124th Avenue SE by replacing existing Type 1 catch basins with TAPE -approved manufactured treatment
devices. The manufactured treatment devices will provide enhanced water quality treatment to 5.9 acres, including approximately 1,200
linear feet of roadway. Final size, placement, and configuration of the project components may be adjusted as the design progresses.
Site Opportunities
■ Provides enhanced stormwater treatment for a high traffic roadway.
Site Challenges
■ May be constrained by outlet height.
■ Coordination with other utilities.
■ Traffic control requirements.
August 2024 1 553-1931-052 Page 11 7-6f 769
Opinion (Estimate) of Probable Cost
Project Name CIP 7 - 124th Avenue SE near SE 307th Place Stormwater Treatment Device
Location 124th Avenue SE near SE 307th Place
ITEM
NO.
SPEC
SECTION
DESCRIPTION
OTY
UNIT I
UNIT PRICE
ITOTALCOST,
SITE PREP AND TESC
1
MOBILIZATION (10%)
10%
% of lines 6-16
$17,847
2
CONTRACTOR PROVIDED SURVEY (3%)
3 %
% of lines 6-16
$5,354
3
TESC (5%)
5%
% of lines 6-16
$8,924
4
DEWATERING (2%)
2 %
% of lines 6-16
$3,569
5
PROJECT TEMPORARY TRAFFIC CONTROL (15%)
15%
% of lines 6-16
S26,771
Lines 1 - 5 Subtotal
$62,466
MATERIALS
6
UTILITY RELOCATION (SMALL)
1
LS
$15,000
$15,000
7
PAVEMENT REMOVAL/RESTORATION
50
SY
$220
$10,902
8
REMOVE CEMENT CONCRETE CURB AND GUTTER
16
LF
$14
$219
9
ENHANCED MEDIA FILTER SYSTEM 6X8
2
EA
$60,000
$120,000
10
CONNECTION TO DRAINAGE STRUCTURE
4
EA
$3,415
$13,661
11
STRUCTURE EXCAVATION CLASS A INCL. HAUL
44
CY
$41,04
$1,824
12
SHORING OR EXTRA EXCAVATION CLASS B
1
LS
$1.000
$1,000
13
STRUCTURE EX AND SHORING LABOR (50% OF EACH)
50
% of lines 11-12
$1,412
14
CRUSHED SURFACING BASE COURSE
3
TN
$54
$176
15
SCHEDULE A STORM SEWER PIPE 12 IN DIAM.
100
LF
$120
$12,000
16
RECORD DRAWINGS
1
LS
$2,280
$2.280
Lines 6 • 16 Subtotal
$178,475
Subtotal Project Cost
$240,941
Design Contigency
50%
$120,470
Permitting
5%
$12,047
Design
25 %
$60,235
City Project Mgmt. Admin.
5%
$12,047
Construction Management
25 %
$60,235
Management Reserve
10 %
1 $24,094
TOTAL PROJECT COST
$531,000
August 2024 1553-1931-052 Page 119-6T 769
CIP 8 - 124th Avenue SE near SE 302nd Place
Parametrik Stormwater Treatment Device
20-Year Capital Improvement Plan (Priority 2)
Vicinity Map
p�.onG i
t
SE 304th St (( v
N j 018
SE 312th St r
• g�9
SE 320th St
n .
I- •
Project Description
RETROFIT TYPE
Road retrofit
Manufactured treatment device
LOCATION
124th Avenue SE near
SE 302nd Place
EXISTING USE
Untreated ROW
PROPOSED USE
ROW with enhanced runoff
treatment
DRAINAGE BASIN
Olson Creek
TRIBUTARY DRAINAGE AREA
2.9 acres total
1.3 acres impervious
TOTAL COST (2024 DOLLARS)
$531,000
This project will retrofit a section of 124th Avenue SE by replacing existing Type 1 catch basins with a TAPE -approved manufactured
treatment devices. The manufactured treatment devices will provide enhanced water quality treatment to 2.9 acres, including
approximately 1.600 linear feet of roadway. Final size, placement. and configuration of the project components may be adjusted as the
design progresses.
Site Opportunities
■ Provides enhanced stormwater treatment for a high traffic roadway.
Site Challenges
■ May be constrained by outlet height.
■ Coordination with other utilities.
■ Traffic control requirements.
August 2024 1553-1931-052 Page 11 g-df 769
Opinion (Estimate) of Probable Cost
Project Name CIP 8 - 124th Avenue SE near SE 302nd Place Stormwater Treatment Device
Location 124th Avenue SE near SE 302nd Place
ITEM
NO.
SPEC
SECTION
DESCRIPTION
CITY
UNIT
UNIT PRICE
TOTAL COST
SITE PREP AND TESC
1
MOBILIZATION (10%)
10 %
% of lines 6-16
$17.847
2
CONTRACTOR PROVIDED SURVEY (3%)
3 %
°% of lines 6-16
S5,354
3
TESC (5%)
5%
% of lines 6-16
$8,924
4
DEWATERING (2%)
2 %
% of lines 6-16
$3,569
5
PROJECT TEMPORARY TRAFFIC CONTROL (15%)
15 %
% of lines 6-16
$26,771
Lines 1 - 5 Subtotal
$62,466
MATERIALS
6
UTILITY RELOCATION (SMALL)
1
LS
$15,000
$15,000
7
PAVEMENT REMOVAURESTORATION
50
SY
S220
$10,902
8
REMOVE CEMENT CONCRETE CURB AND GUTTER
16
LF
$14
$219
9
ENHANCED MEDIA FILTER SYSTEM 6X8
2
EA
$60,000
$120,000
10
CONNECTION TO DRAINAGE STRUCTURE
4
EA
S3,415
$13,661
11
STRUCTURE EXCAVATION CLASS A INCL- HAUL
44
CY
$41.04
$1,824
12
SHORING OR EXTRA EXCAVATION CLASS B
1
LS
$1,000
$1.000
13
STRUCTURE EX AND SHORING LABOR (50 % OF EACH)
50
% of lines 11-12
$1,412
14
CRUSHED SURFACING BASE COURSE
3
TN
$54
$176
15
ISCHEDULE A STORM SEWER PIPE 12 IN DIAM
100
LF
$120
$12,000
16
RECORD DRAWINGS
1
LS
$2,280
$2,280
Lines 6 - 16 Subtotal
$178,475
Subtotal
Line -Item Costsl
$240,941
Design Contigency
50 %
$120,470
Permitting
5%
$12,047
Design
25%
$60,235
City Project Mgmt. Admin.
5%
$12,047
Construction Management
25 %
$60,235
Management Reserve
10 %
$24,094
TOTAL
PROJECT COST
$531,000
August 2024 1553-1931-052 Page 120-61' 769
Parametrik
Vicinity Map � _ _
z
Z
Z
T
3
0
EtA
i
s
Grrrn q„�
22nd St NE
A
Project Description
CIP 9 - 30th Street NE Area Flooding, Phase 2
20-Year Capital Improvement Plan (Priority 3)
RETROFIT TYPE
Road retrofit
Upgraded conveyance system
LOCATION
East of I Street NE between
32nd Street NE and 35th Street NE
EXISTING USE
Conveyance system
PROPOSED USE
New conveyance system and
upgraded pipe
DRAINAGE BASIN
Mill Creek and Green River
TRIBUTARY DRAINAGE AREA
Unknown
TOTAL COST (2024 DOLLARS)
$1,186,000
NOTES
Cost, design, figures, and
description completed by Brown &
Caldwell in 2015. Cost and
description updated by Parametrix
per City comments
The north -central area of Auburn has a history of surface flooding with street flooding occurring once every few years. The residential
development east of I Street NE between 32nd Street NE and 35th Street NE discharges flows into a City -owned infiltration area. The
infiltration area commonly experiences prolonged periods of standing water due to high groundwater from extended high flows in the Green
River, which is adjacent to the infiltration area. The drainage system on I Street NE currently lacks infrastructure to collect and convey
stormwater away from the infiltration area, as well as residential roadways and parking area. Ponding occurs within the parking areas of the
developments and presents a nuisance and potential hazard to local residents.
This project is Phase 2 of a three -phased capital improvement project (Relieve 30th Street NE Area Flooding) from the 2015 Comprehensive
Stormwater Drainage Plan. The goal of the 2015 CIP was to increase the capacity of the 30th Street NE system to reduce flooding along 30th
Street NE and to provide capacity to connect other flooding drainage systems (C Street NE and I Street NE). The implementation of this CIP is
occurring in phases. as funding, staff availability, and priorities allow. The first phase (30th Street NE Area Flooding. Phase 1) was scheduled
for construction in 2015/2016. The next phase, referred to as CIP 9 in this Plan. is scheduled for the 2031-2044 timeframe.
This project would address the flooding adjacent to I Street NE. This project would locate a storm drain line to capture stormwater from the
two residential developments currently discharging stormwater to the City's infiltration area. In addition. this project would construct a new
storm drain within I Street NE southward to connect into the 42-inch-diameter storm drain (constructed as part of the 30th Street NE Area
Flooding project. Phase 1. from the 2015 Plan) near the intersection of I Street NE and 30th Street NE. The 42-inch-diameter line will have
sufficient available capacity to convey the I Street NE flows.
Site Opportunities
■ Public drainage infrastructure will be designed and maintained so that the annual chance of a flooding disruption that inundates
the city roadways to an impassable level occurs no more than once every 25 years.
■ Public drainage infrastructure will be designed and maintained so that the annual chance of occurrence of flooding (surface water
from ROW runoff entering premises and damaging building structures) will occur no more than once every 50 years.
August 2024 1 553-1931-052 Page 12rf V 769
Opinion (Estimate) of Probable Cost
Project Name CIP 9 - 30th Street NE Area Flooding. Phase 2
Location 30th Street NE and I Street NE
ITEM
NO.
SPEC
SECTION
DESCRIPTION
CITY
UNIT
UNIT PRICE
TOTAL COST
SITE PREP AND TESC
1
CONTRACTOR OVERHEAD, PROFIT, AND MOBILIZATION
18% % of lines 2-2
$115.380
Lines 1 - 1 Subtotal
$115,380
MATERIALS
2 2015 PROJECT (4A) 1,850 LF OF 15-IN DRAINAGE PIPE
1 LS $641.000
$641,000
Lines 2 - 2 Subtotal
$641,000
Subtotal Line -Item Costs
$756,380
Construction Contingency
20 %
$151,276
Sales Tax (all above costs)
9 %
$79.874
Subtotal Construction
Costsl
$987,530
Permitting, design, management,
and administration
20 a
$197,506
TOTAL PROJECT COST
51,186,000
August 2024 1 553-1931-052 Page 122-6f 769
Parametrix
-------------i 17th St SE
z
R m 21st St SE
Q N
n LL
1st Ave N ------ � N
a 37th St SE
z" 53.5E
Ellingson Rd a D
. w �
is
o
Proposed Conditions Map
Project Description
CIP 10 - Vegetative Waste Sorting Facility
6-Year Capital Improvement Plan (Priority 3)
Existing Conditions
,
r
,. Aerial directed north
Space available for
vegetation sorting
facility
" t it
� r
:F
r „
Parcel boundary
u
RETROFIT TYPE
New waste sorting facility
LOCATION
GSA site
EXISTING USE
Shared open space
PROPOSED USE
Waste sorting facility for
plant/organic material pulled from
conveyance and treatment
systems and facilities
DRAINAGE BASIN
White River
TRIBUTARY DRAINAGE AREA
N/A
TOTAL COST (2024 DOLLARS)
$200.000
NOTES
Cost, design, figures, and
description completed by Brown &
Caldwell. Cost and description
updated by Parametrix per City
comments.
The Storm Drainage Utility is responsible for the M&O of the storm drainage system. Pond and drainage ditch maintenance and
rehabilitation involves removal of plant material and sediments, which are considered non -hazardous and are suitable for recycling. During
fall and winter, debris from storm cleanups also yield materials suitable for recycling. The Storm Drainage Utility currently uses the City -
owned Jacobson Tree Farm property for storing and drying of these materials prior to hauling off -site for recycling. The property is owned by
the Parks Department and is scheduled to be repurposed, precluding its use for ongoing M&O activities.
This project addresses the need for a new site to sort, dry, and store materials removed from drainage ditches, swales, and ponds during
maintenance and restoration activities necessary to maintain the storm drainage system. The project property is being sourced from
existing land owned by the City. The cost to develop the property and purchase equipment are represented in the project cost.
Site Opportunities
■ The City shall seek to maintain storm drainage infrastructure to ensure proper function of drainage facilities in accordance with
Ecology requirements.
Site Challenges
■ Coordination with other users of the site.
August 2024 1553-1931-052 Page 123-M 769
Opinion (Estimate) of Probable Cost
Project Name CIP 10 - Vegetative Waste Sorting Facility
Location GSA Site
ITEM
NO.
SPEC
SECTION
DESCRIPTION
CITY
UNIT
UNIT PRICE
TOTAL COST
SITE PREP AND TESC
1
MOBILIZATION (10%)
10%
% of lines 5-5
$10,000
2
CONTRACTOR PROVIDED SURVEY (5%)
5%
% of lines 5-5
$5,000
3
TESC (5%)
5%
% of lines 5-5
$5,000
4
PROJECT TEMPORARY TRAFFIC CONTROL (5%)
5%
% of lines 5-5
$5.000
Lines 1 -4 Subtotal
$25,000
MATERIALS
5
12015 PROJECT (10) DEVELOP PROPERTY AND PURCHASE
EQUIPMENT
1
LS
$100,000
$100.000
Lines 5 - 5 Subtotall
$100,000
Subtotal
Line -Item Costsl
$125,000
Construction Cost Contigency
20%
$25,000
Permitting
5%
$6,250
Design
10%
$12,500
City Project Mgmt. Admin.
5%
$6,250
Construction Management
10%
$12,500
Management Reserve
10%
$12,500
TOTAL
PROJECT COST
$200,000
August 2024 1553-1931-052 Page 124-6f 769
Parametrix
CIP 11 - Christa Ministries Facility Retrofit
20-Year Capital Improvement Plan (Priority 3)
RETROFIT TYPE
Existing facility retrofit
New water quality pond
LOCATION
Christa Ministries property
EXISTING USE
Bioswale
PROPOSED USE
Enhanced water quality
treatment pond
DRAINAGE BASIN
Green River
TRIBUTARY DRAINAGE AREA
377 acres total
242 acres impervious
TOTAL COST (2024 DOLLARS)
$2,906,000
Project Description
This project proposes retrofitting an existing stormwater Swale to an enhanced water qualtiy treatment pond. The pond would be sized
based on current enhanced treatment standards for 377 acres of contributing area before discharging into the Green River. Final size.
placement, and configuration of the project components may be adjusted as the design progresses.
Site Opportunities
■ The location may be suited to provide educational signage due to surrounding residential areas and the Green River Trail to
the east.
■ Provides enhanced water quality treatment of stormwater from large contributing drainage area based on current standards.
Site Challenges
■ Adjacent utilities will likely require coordination (sewer, water, gas, and communications) and may constrain placement locations
of the treatment systems.
■ Field verification of stormwater infrastructure will be necessary to ensure project feasibility.
■ Verification of inlet and outlet pipe elevations will need to be verified to determine feasibility.
■ Coordination with BPA easement will be needed.
■ A condition assessment of the existing storm pipe at the proposed outfall will be required to evaluate whether repair or
replacement will be necessary.
■ A wetland impact mitigation analysis will be needed.
August 2024 1553-1931-052 Page 125-M 769
Opinion (Estimate) of Probable Cost
Project Name CIP11 - Christa Ministries Facility Retrofit
Location Chnsta Ministries Property (Southeast in 35th St NE & I St NE intersection)
ITEM
NO.
SPEC
SECTION
DESCRIPTION
CITY
UNIT
UNIT PRICE
I TOTAL COST
SITE PREP AND TESC
1
MOBILIZATION (10%)
10%
%of lines-1 A
$107,010
2
CONTRACTOR PROVIDED SURVEY (6%)
6%
% of lines 1-4
$64,206
3
TESC (5%)
5%
% of lines 1-4
$53,505
4
PROJECT TEMPORARY TRAFFIC CONTROL (3%)
3%
% of lines 1-4
$32.103
Lines 1 - 4 Subtotall
$256,825
MATERIALS
5
CLEARING AND GRUBBING
4
ACRE
$45.471
$175,703
6
CHANNEL EXCAVATION INCL HAUL
7.065
CY
$39
$275,535
7
COMMON BORROW INCL. HAUL
1.445
CY
$30
$43,350
8
EMBANKMENT COMPACTION
1,445
CY
$9
$13,005
9
SCHEDULE A STORM SEWER PIPE 30 IN DIAM
1,190
LF
$311
$370,090
10
CATCH BASIN TYPE 2 60 IN. DIAM,
3
EACH
$9,978
$29,934
11
CONNECTION TO DRAINAGE STRUCTURE
2
EACH
$3,535
$7,070
12
QUARRY SPALLS
18
TON
$68
$1,224
13
GRAVEL MAINTENANCE ROAD
3,028
SY
$32
$96,882
14
CATCH BASIN TYPE 2 72 IN. DIAM.
1
EACH
$11,877
$11,877
15
SEEDING, FERTILIZING, AND MULCHING (BY ACRE)
4
ACRE
$10,205
$39.433
16
IRECORD DRAWINGS
1
LS
S6,000 00
S6.000
Lines 5 - 16 Subtotal
$1,070,103
Subtotal Line
-Item Costsl
$1,326,927
Construction Cost Contingency
30%
$398,078
Permitting
9%
$119,423
Design (Including Contingency)
40%
$530,771
City Project Mgmt. Admin.
10%
$132,693
Construction Management
20%
$265,385
Management Reserve
10%
$132,693
TOTAL PROJECT
COSTI
$2,906,pp0
August 2024 1553-1931-052 Page 126-bf 769
Parametrik
Vicinity Map 15th St Ntv
= 167
,-----------------
Proposed Conditions Map
Install backflow preventer
Install 2001f 30-inch-diameter force main
vnth+n existing culvert alignment us,ng
trechless onnstruchon techniques
mmssion existing i
station
Install 150 tf 12-m0lameter
drainage 0,
Site Opportunities
CIP 12 - West Main Street Pump Station Upgrade
6-Year Capital Improvement Plan (Priority 1)
Rk
Install backflow preventer, it necessary
-
r
Install 1 24`mch"arn-!"
1 _
eranage pipe I
'rl Install pump stal:on
.—
Insla I npran ash "ad
=
RETROFIT TYPE
Existing facility retrofit
Pump station upgrade
LOCATION
South of West Main Street, east of
the SR 167 overpass
EXISTING USE
Pump station
PROPOSED USE
Upgraded pump station
DRAINAGE BASIN
Mill Creek
TRIBUTARY DRAINAGE AREA
N/A
TOTAL COST (2024 DOLLARS)
$3,929, 000
NOTES
Cost- design, figures, and
description completed by Brown &
Caldwell. Cost and description
updated by Parametrix per City
comments.
This project consists of building a new pump station sized to convey the peak 25-year flow rate with multiple pumps to meet the pump
redundancy LOS. The new pump station would convey all flows from the gravity pipe on the north and south sides of Old West Main Street.
The pump station and its associated area pipes will be reassessed for overall function and purpose. A new design for the pump station will
be created that will allow for adequate pumping capacity and a new discharge location that will alleviate backflow flooding from Mill Creek
and its drainage ditches.
Site Opportunities
■ Meet pump redundancy LOS goal.
■ Address history of local flooding.
Site Challenges
■ May require post -construction monitoring to determine whether an additional backflow preventer is warranted.
■ Discharges to WSDOT ditch may require additional coordination with WSDOT.
August 2024 1553-1931-052 Page 127-6f 769
Opinion (Estimate) of Probable Cost
Project Name CIP 12 -West Main Street Pump Station Upgrade
Location South of West Main Street east of the SR 167 overpass
ITEM
NO.
SPEC
SECTION
DESCRIPTION
CITY
UNIT
UNIT PRICE
TOTAL COST
SITE PREP AND TESC
1
IWETLAND PERMITTING AND MITIGATION
20%
% of construction subtotal
$302,000
2
ICONTRACTOR OVERHEAD, PROFIT, AND M0131LIZATION
18%
% of construction subtotal
$271,800
Lines 1 - 2 Subtotal
$573,800
MATERIALS
3
2015 PROJECT (1) STORMWATER PUMP STATION WITH
SCADArrELEMETRY
1
LS
$999,000
$999,000
4
2015 PROJECT (1) GRAVITY PIPING: 150 FT OF 12-INCH-
DIAMETER PIPE AND 113 FT OF 24-INCH-DIAMETER PIPE
1
LS
$114,000
$114.000
5
2015 PROJECT (1) FORCE MAIN: 200 FT OF 30-INCH-
DIAMETER FORCE MAIN, ABANDON CULVERT, RIPRAP
ROCK SPLASH PAD AT CULVERT OUTFALL
1
LS
$343,000
$343,000
6
2015 PROJECT (1) ANCILLARY IMPROVEMENTS:
DECOMMISION EXISTING STATION, INSTALL BACKFLOW
PREVENTER ON WSDOT CULVERT
1
LS
$54,000
$54,000
Lines 3 -6 Subtotal
$1,510,000
Subtotal Line -Item Costs
$2.083,800
Construction Contingency
30%
$625,140
Sales Tax (all above costs)
9 %
$238,387
Subtotal Construction
Costs
$2,947,327
Permitting, Design, Management,
Administration, Contingency
33.3%
$981.460
TOTAL PROJECT COST
$3,929,0 01
August 2024 1 553-1931-052 Page 125-61' 769
Draft Comprehensive Storm Drainage Plan Update
City of Auburn
7.3 Programmatic Drainage Projects
To ensure an adequate level of utility funding in the future, the City must consider longer -range
programmatic efforts to maintain and/or improve storm drainage service. Table 7-1 lists
programmatic projects that should be included in the Storm Drainage Utility budget. These projects
are not linked to any specific problem or location, but are included for budgetary purposes. By
itemizing these activities, the Storm Drainage Utility can track actual costs to compare with budgeted
costs and specifically track how these expenditures address the LOS goals listed in Chapter 3. The
items listed in the table below are distributed between the 6- and 20-year CIPs in Chapter 8.
August 2024 1 553-1931-052 7-29
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Draft Comprehensive Storm Drainage Plan Update
City of Auburn
Table 7-1. Summary Programmatic Drainage Projects
Project Program Name
Description
Priority Total Project Cost
Number
(2024 dollars)
13 Street Utility Improvements
The Storm Drainage Utility will seek
2 $5,200,000
opportunities to incorporate drainage
improvements into transportation and
pavement projects on City roads. A
significant portion of storm drainage
costs related to projects make
improvements to the street network
are incurred by the City's
Transportation Program.
14 Frame & Grate Replacement
As manholes and catch basins age
2 $1,700.000
and their condition deteriorates,
frame and grates can become loose
and/or misoriented or, due to age, are
no longer meeting standards. This
annual project will replace
approximately 50 storm manhole and
catch basin frame and grates to
maintain access to the storm system
and decrease the likelihood of the
manholes becoming road hazards. In
some years, this replacement will be a
stand-alone project, and in some
years, many of these replacements
will be in conjunction with other City
projects.
15 Storm Drainage Infrastructure
This program addresses the need to
1 $14,400,000
Repair & Replacement
repair or replace storm drainage
Program
infrastructure, such as individual
pipes, pump station repair and
maintenance, and pond
improvements. The long-term
priorities for R&R should be developed
by adhering to the City's system goals
regarding the maintenance of a
criticality database and the prioritized
assessment of critical infrastructure.
16 Storm Pipeline Extension
Program to extend stormwater
3 $7,450,000
Program
infrastructure into areas lacking
infrastructure or where known
stormwater issues occur.
Note: All costs are in 2024 dollars.
August 2024 1553-1931-052 7-30
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Draft Comprehensive Storm Drainage Plan Update
City of Auburn
8. Implementation Plan
This chapter presents the implementation plan, which brings together information from the
preceding chapters of this 2024 Comprehensive Storm Drainage Plan to form a work plan of future
activities for the Storm Drainage Utility. The information in this chapter serves as a road map to the
Storm Drainage Utility staff. This road map outlines the critical elements of plan implementation
(e.g., capital improvement plan implementation, NPDES MS4 permit compliance, future staffing,
asset management, drainage ditch maintenance program, climate change, etc.) and links them into
a schedule of utility activities.
The implementation plan is divided into five main sections:
■ Section 8.1 presents the capital improvement plan for both 6-year and 20-year time frames.
■ Section 8.2 contains a summary of activities for NPDES MS4 permit compliance.
■ Section 8.3 presents recommendations for future staffing and M&0 activities.
■ Section 8.4 summarizes the recommendations for continuing the implementation of best
practices for asset management.
■ Section 8.5 lists recommendations for additional activities that help the Storm Drainage
Utility achieve the system goals.
The foldout chart (Figure 8-3) at the conclusion of this chapter shows the proposed implementation
timeline. Appendix F provides the SEPA determination for the implementation plan.
8.1 6-Year and 20-Year Capital Improvement Program
The 6-year CIP contains near -term capital improvement projects focused on mitigating critical
existing drainage problems that have been observed and are well understood by the City's staff,
addressing an ongoing waste disposal issue and ensuring compliance with NPDES MS4 permit
requirements. These projects are described in detail in Chapter 7. In addition to site -specific
projects, the 6-year CIP contains ongoing programmatic efforts, such as the Storm Drainage Utility's
participation in the Street Utility Improvement program, which is a program designed to complete
storm repairs and replacements in conjunction with transportation projects. Table 8-1 lists the short-
term capital improvement projects and programs described in Chapter 7 and lays out annual
expenditures for the 6-year capital improvement time frame. Project timing is based on project
priorities weighed with likely budgetary constraints such that costs are distributed somewhat evenly
from year to year (see Table 8-1 and Figure 8-1).
August 2024 1 553-1931-052 8-1
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Draft Comprehensive Storm Drainage Plan Update
City of Auburn
Table 8-1. Annual Cost Summary for 6-Year Capital Improvement Plan
Project Repair/ Upgrade/
Number Project Name Priority Replacement Expansion 2025 2026 2027 2028 2029 2030 6-Year Cost
1
SE 287th Street
1
0.-
100%
$139,000
$243.000
$0
$0
$0
$0
$382.000
Stormwater Device
3
SE 284th Street West
1
0*e
100%
SO
$0
$20.000
$32.000
$0
$0
$52.000
Sioswale Additions
10
Vegetative Waste
3
90%
10%
$200.000
$0
$0
$0
$0
$0
$200,000
Sorting Facility
West Main Street
12
Pump Station Upgrade
1
251'o
75%
$0
$0
$0
so
$907.000
$3.022.000
$3.929.000
13
Street utility
2
100%
0%
$260.000
$260.000
$260.000
$260.000
$260.000
$260.000
$1.560.000
Improvements
14
Frame & Grate
2
100%
0%
$85.000
$85.000
$85.000
$85.000
$85,000
$85.000
$510.000
Replacement
Storm Drainage
15
Infrastructure Repair &
1
100%
0%
$720.000
$720.000
$720.0001
$720.OW
$720.000
$720.000
$4.320.000
Replacement Program
16
Storm Pipeline
3
0%
100%
$190.000
$555,000
$190.000
$555.000
$190.000
$555.000
$2.235.000
Extenslon Program
Total 6-year
CIP cost for priority 1 projects/ programs:
$859.000
$963.000
$740.000
$752.000
$1.627.000
$3,742.000
$8.683.000
Total 6-year
CIP cost for priority 2 projects/programs:
$345.000
$345.000
$345.000
$345.000
$345.000
$345.000
$2.070.000
Total 6-year
CIP cost for priority 3 projecta/programs:
$390.000
$555.000
$190.000
$555.000
$190.000
$555.000
$2,435.000
Total 6-year cost:
$1,594,000
$1.863.000$1.275.000
$1,652.000
$2.162.000
$4.642.000
$13.188.000
Note: All costs are in 2024 dollars.
• Funding includes budget for implementing CIP 6 following updated requirements from the 2024 NPDES MS4 permit
August 2024 1553-1931-052 8-2
Page 132 of 769
$5,000,000
$4,500,000
$4,000,000
_ia
a. $3,500,000
m
u
$3,000,000
}
u;
o
$2,500,000
0
v 52,000,000
7M
c $1,500,000
Q
$1,000,000
$500,000
$0
2025 2026
Draft Comprehensive Storm Drainage Plan Update
City of Auburn
2027 2028
Year
■ Priority 1 ■ Priority 2
2029
Priority 3
`1i3:I17
Note: All costs are in 2024 dollars.
Figure 8-1. Annual Costs for 6-Year Capital Improvement Plan
After high -priority drainage problems are addressed, the City will be able to focus on the remaining
projects described in Chapter 7. In addition, the City will continue to emphasize the management of
existing storm drainage assets to ensure that LOS goals are continuously met. Table 8-2 summarizes
the program expenditures and forecasts total capital improvement costs for the years 2031 to 2044.
In addition to the identified projects and programs, the Storm Drainage Utility will be involved in
several ongoing system updates and capital facilities plan (CFP) projects that will require the utility's
time and expenditures. Additional detail regarding these items are provided in Section 8.5.
August 2024 J 553-1931-052 8-3
Page 133 of 769
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Draft Comprehensive Storm Drainage Plan Update
City of Auburn
8.2 Programmatic Measures for NPDES Compliance
The City of Auburn is covered by the Western Washington Phase II Municipal Stormwater permit. The
permit regulates stormwater discharges from the City's MS4 (see Section 2.3.2). The current version
of the NPDES MS4 permit was issued in August 2024 and will remain in effect through July 2029,
when a new version is due to be issued. A regulatory -driven improvements investigation was
performed on behalf of this Plan and was discussed in Chapter 5.3. The recommended actions on
behalf of this investigation have been summarized below.
■ Update local development regulations and drainage standards in accordance with updated
NPDES MS4 permit requirements.
■ Review and revise municipal code to reflect IDDE changes, specifically concerning routine
washdowns of structures likely to have PCB -containing materials.
■ Carry out permit -required activities related to TMDLs (identified in Chapter 4.4.1).
■ Develop and implement protocols with firefighting agencies regarding PFAS discharges
into stormwater.
■ Develop and implement tree canopy goals to support stormwater management and improve
receiving water quality.
■ Prepare an SMAP for a new high -priority catchment area or enhance the existing one for
Olson Creek.
■ Ensure the existing street sweeping plan covers the permit requirements.
■ Reflect on the ongoing public outreach campaign and consider adding new actions or
developing a new campaign.
■ Map piped MS4 outfalls with flow control or stormwater treatment upstream to determine
the amount of treated/untreated area within the MS4.
■ Continue implementing the SCIP.
These actions have been further detailed and organized on a timeline in Figure 8-3. Additionally, the
compliance -specific schedule for key requirements under the current NPDES MS4 permit is shown in
Figure 8-2.
August 2024 1553-1931-052 8-5
Page 135 of 769
-
-» May 31. 2025.
and. annually thetmalUr -
Post the SWMP documents to
March 31,2025,• - -•
the CltV s website annually.
and, annually thereafter-
SubmitSWMPandannual
July 1, 2025•
rs'pat to Frnbgy.
: De"elop additional actions lump4nd
upon the eaisnng behavior change
December 1, 2024 - •
ampmgn or dew:lup a new campaign
Cam uniate to lcmagy
wheUMr the City wall 7
wnmpaleunnn wuuctire
. • September 1, 2025-
fund 1.Monitoringand i
hnplemgntelther additional
Assessmem ii—muct
actions to the ousting behavior
act),al sindependemly. I
change campaign or&.1.1,a
t
1
new campaign
12024 12025
12026
Draft Comprehensive Storm Drainage Plan Update
City o1 Aub=
• March 31, 2028 -
D-1.0 a methodology to map aml ease. acreage .(MS4 ldbulary basins
.In stomnwatar Ueabnent and/m [antral BMN, lacalltles to oudalh
Submit the estimated acreage of managed area with annual report.
Fully fun& start constructtaut. or completely Implement poled that meel
assigned su i-hret acreage (14 2 acres)
Submit Information regarding priority sweeping areas wlin the annual report
• December 31. 2028 -
Adopl and bnpemmd free campy goals and pollees to support
slrnmwmer waregimeed and wate, quality I mprmc elm
racawng ..at —
Map .-thadimed communrtles in relation to free arwpy antl
Mac with stormwater treatment and now control BAIPsi Iacdn.s.
Ith es revise, and make eRectiw LID codes
2029
August 1, 2024 - Match md
31, 2026r March 31, 2027 - • A July 1. 2027 - July 31, 2029
Eff.b. date of Submit all knolocal—lactof Complete an SMAP for a nigh plonnrr se ty R.1- . ; make ellc Expected ralSSuance of
NPDES M54 ft. MS4 auNalls in the alrepon tatrhmewarea sir mid at bons to the mu elpol—Is to raflerl 10D1
�_., (Including V.and ahntl) prinks.., SMAP (01— Creek) clump'. NPDES MS4 pemet
Ramer and rural. nniiuepal
December 31, 2026•. - - - giant sweeping program 1p target .March 31, 2029•
Viand revise dmaelupnim regulations and design standard— aumdame wllh pent. bight I areas laz rwoeetll •' Subh" l the result s of the
Coordinate with hrehghuog agondn regarding Islas discharges pool,, eduatro, campaign
• June 30, 2027 - and,e.r mmd.I,o., for
Annualiy document speeyK pubik mrolworent opportunities prwmol to a"erburdened Adopt the 2024 revised Lcologr
Impnrvemenl.
communitwslbegmning December 2026 and contmuing annually lhemafMu nnnual ar an eaunalenl manual.
Map tree canal"'amomling stoneware, hi n.0hur t on pmmittee-awner, or oriented proped,es
• January 1, 2027 -
Irepl—M managori,lnit plan for
PfAs dscharges trim slium.A., lemm
emergency arum -
March 31, 2027,
and, annually thereafter -
I'am 1eaM costs el-DIernem"g
SWMP and yAlDt. r yulremenls and
or -item the annual,ewul.
D—be haw ctamwater
ianagernent strategies and
erring water health are Informing
long-range cnniprehenfwe planning
In the anuuai report
2027, 1202@
Oegoing
Cominue, monitoring discharges to sire White Rirw in accordance with 1MOL mmiumnems'
Cantmue uepI'menlahon of the SLIP program
Continue buihmal Inslmcllan of etch brim m"enlory
Net• Abbr•rlatwn-
'enuen.dsrnbrea.•,Istria vrwnnulnuMawd er ice stripes MSC rienin ACC: a-.,,.4 U-N- hw- gala►/IaaaakwaYavemenr I, —(Lilt
.,. uw.nnrwna.3 roc[naaf ra«MM aralrww0wgw.ta MMrrM4alltaaYlawrtwlglwil ImLeaft"d eNpwwr1
••only oneswrewra «.,,, w,•awrea In 2o21 m,e•s.«w•a.renu aw,egesN ay►Na,l6liyawrg/pgs fa1M:fWY1MIwl11AlW W. Saint "AWlwrsw1 wopan,
sa[A—'—aliw.•,a in leniaw event «rw,na bet —AA, crib Sew•m4er NPM- reenter MauNar{• Few,m•ram SyaMn pm*pewlY►-ItaelelSaled—
Figure 8-2. NPDES Compliance Schedule
August 2024 1553-1931-052 3-6
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Draft Comprehensive Storm Drainage Plan Update
City of Auburn
8.3 Future Staffing and Equipment Needs
During this planning effort, current Engineering and M&0 staffing were considered in light of future
activities that will need to be performed to maintain compliance with the NPDES MS4 permit. M&0
staffing and equipment were also reviewed, taking into account existing maintenance goals and
future, additional M&0 responsibilities. The following sections summarize the additional staffing,
staffing responsibilities, and equipment needs for the Storm Drainage Utility.
8.3.1 Engineering Services
As part of this Plan, the City evaluated engineering staffing responsibilities required to address the
revised NPDES MS4 permit and other storm drainage system deficiencies. The recommended
actions in Figure 8-3 are expected to be managed by engineering staff.
8.3.2 Maintenance and Operation Services
The evaluation of M&0 staffing for managing, operating, and maintaining the storm drainage system
in Chapter 6 revealed that the Storm Drainage Utility is adequately staffed to meet current proactive
City goals. However, additional staff and equipment may be necessary to fulfill NPDES MS4 permit
requirements and anticipated future work (as outlined in Section 6.6.2). Although no immediate
staffing additions are planned, ongoing monitoring of staffing levels will assess the need.
Support from M&0 staff will be needed in the following actions (identified in Chapter 6 and
summarized below):
■ Asset management recommendations (Section 8.4):
—+ Prioritizing work using risk -based scoring methods.
—> Documenting condition assessments and work orders in Cartegraph.
■ Street Sweeping Plan (NPDES MS4 permit):
—� Coordinating with the Street Division (as needed) to implement the required street
sweeping plan.
■ Ditch Maintenance Program (Section 8.5):
—► Carrying out the recommended needs from the ditch maintenance program.
Additionally, based on discussions with City staff and analysis of M&0 activities, the Storm Drainage
Utility will consider obtaining CCTV inspection equipment for pipe inspection within five years.
8.4 Continue Implementation of Best Practices for Asset
Management
As an integral part of this comprehensive plan, the City conducted a thorough review of its existing
asset inventory and management practices, as discussed in Chapter 5.2. The recommended actions
have been summarized below.
■ System inventory:
—► Continuously update the inventory with additional data collected during maintenance
activities (e.g., condition assessment and frequency of maintenance).
August 2024 1 553-1931-052 8-7
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Draft Comprehensive Storm Drainage Plan Update
City of Auburn
—+ Train staff on asset inventory needs, capability, data collection, data quality objectives,
and maintenance processes.
Develop a process for reviewing and updating the asset inventory when changes and
inspections occur (see Section 5.2.3).
—► Implement the prioritized inspection and asset information update process to address
data gaps and provide observation -based condition assessments.
■ Risk -based scoring in Cartegraph:
--+ Integrate scoring methods into Cartegraph.
--► Populate critical feature attributes (used in risk calculations).
—► Add scoring fields to calculate likelihood of failure and criticality of failure scores for each
pipe in Cartegraph.
■ Risk -based scoring improvements:
--+ Expand scoring methods to include asset types beyond collection system piping.
--► Implement these improvements into Cartegraph and inspection prioritization techniques
(see Appendix C for recommended attributes for other stormwater assets).
■ Maintenance and R&R prioritization:
— Prioritize maintenance activities for assets with the highest risk.
—► Assess the inspection process every 5 years to evaluate efficiency and identify areas
for improvement.
Consider reconducting pipe depreciation analysis periodically to assess the impact of
prioritization practices.
8.5 Recommendations for Additional Activities
The following sections summarize recommendations for additional activities discussed during this
Plan for the Storm Drainage Utility. Section 8.5 is divided into the following three sub -sections:
■ Section 8.5.1 summarizes recommendations discussed in Section 5.4.2.
■ Section 8.5.2 summarizes recommendations discussed in Section 6.6.2.1.
■ Section 8.5.3 presents the ongoing system updates carried out by the Storm Drainage Utility
and the CFP projects that will require coordination from the Utility.
8.5.1 Climate Change
As discussed in Chapter 5.4, climate change will need to be considered in developing and
implementing stormwater design guidelines for future scenarios. The actions recommended on
behalf of climate change are summarized below.
■ Review and revise the hydraulic performance metrics related to freeboard, headwater depth,
and surcharging. Evaluate the financial implications associated with enforcing strict hydraulic
performance standards.
■ Prepare a CDR process to evaluate the consequences of storm events exceeding the design
parameters. Establish clear policies regarding safety, property protection, service continuity,
and mitigation of nuisance flooding to make systems more resilient to infrequent but
August 2024 1 553-1931-052 8-8
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Draft Comprehensive Storm Drainage Plan Update
City of Auburn
probable flooding. Ensure that the level of protection aligns with the associated costs and
risk factors.
■ Prioritize effective hydraulic performance and resilience measures for critical facilities during
severe storm events that go beyond the intended design limits.
■ Perform a vulnerability analysis of stormwater infrastructure along critical roadways to
identify any areas where the effects of climate change may be intolerable. Prioritize these
areas for capital improvement projects to minimize the adverse effects of flooding.
8.5.2 Ditch Maintenance Program
A drainage ditch maintenance program was developed as a part of this Plan. See Chapter 6.6.2.1 for
more details. The previously discussed recommendations have been summarized below.
■ Develop protocols for finding, adding, mapping, and classifying ditches within the system.
■ Consider the steps required when adding new ditches to the system.
■ Use the results of regular ditch inspections to identify system failures.
■ Implement a program that focuses on retrofitting ditches with water quality enhancements.
8.5.3 Ongoing System Updates and Capital Facilities Plan
Projects
The City will be involved in several ongoing system updates throughout the period of 2031-2044.
These updates and their projected costs and timelines have been listed in Table 8-3 below.
Table 8-3. Ongoing System Updates
2031-2044
Name Description Cost
Pump Station Level of Service Program to review all pump stations for level of service. Specifically
Review focus on A Street SE and Auburn Way S as an existing drainage $400.000
issue has been identified there (see Section 4.5).
Pump Station Update Program to update the pump stations according to the results of $2 000,000
the level of service review.
Underground Injection Wells Retrofit program to map underground injection wells in the City with $975,000
Retrofit Program water quality treatment.
Total 2031-2044 cost: $3,375.000
Note: All costs are in 2024 dollars.
In addition, there are several CFP projects that will require coordination from the Storm Drainage
Utility from 2024-2026. These projects are listed in Table 8-4 below.
August 2024 1 553-1931-052 8-9
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Draft Comprehensive Storm Drainage Plan Update
City of Auburn
Table 8-4. Capital Facilities Plan Project Schedule 2024-2026
Name 2024 Cost 2025 Cost 2026 Cost Cost for 2024-2026
R Street SE Widening - 22nd Street SE to
$303.850 $938,897
$1,242,747
33rd Street SE
Regional Growth Center Improvements
$100.000
$100,000
R Street SE Preservation
$320.000
$320,000
12th Street SE Water Main Improvements
__$215.000
$16,000
e V
$16,000
Arterial Preservation
$215,000
Jornada Park Access Improvements
$100.000
$100,000
C Street SW Preservation (W Main to GSA signal)
$50,000
$50,000
M Street NE Widening
$824.000
$824,000
Total project cost for 2024-2026:
$801,000 $1.127,850 $938,897
$2,867,747
Note: Costs shown in this table have been escalated as described in Section 9.
8.6 Implementation Plan
The recommended actions within this Plan have been organized in a timeline, as depicted in
Figure 8-3. This timeline serves as a guide for implementing the actions in a structured manner.
August 2024 1 553-1931-052 8-10
Page 140 of 769
Implementation Plan Activities Timeline 2024
2025 2026 2027 1 2028 2029 1 2820
2031d944
Chapter Action QS-Q,I
QS Q2 Q3 Q4 Q1 Q2 Q3 Q4j Q1 Q2 Q3 QI�Q3 Q2 Q3 Q4 Q1 Q2 Q3 Q4;Q3 Q2 Q3 Q4
7
' 1. SE 287th St Stormwater Device
7
2. SE 284th St& 109th Ave Bioswale Additions
7
3. SE 284th St West Bioswale Additions
7
4. SE 284m St East Bioswale Additions
7
S. 124th Ave SE near 293rd St Stormwater Treatment Device
7
6. Vintage Hills Swale Retrofit
7
7. 124th Ave SE near 307th Pk Stormwater Treatment Device
7
8. 124th Ave SE near 302nd Pt Stormwater Treatment Device
0
7
30th Street NE Area Flooding, Phase 2
7
10. Vegetative Waste Sorting Facility
7
11. Christa Ministries Facility Retrofit
�11
7
12. West Main Street Pump Station Upgrade
7
Street Utility Improvements
7
!Frame B Grate Replacement
7
'Storm Drainage Infrastructure Repair S Replacement Program
2 'Review and update inventory of existing capital facilities.
2 Forecast capital facility needs for planning period. Consider reducing LOS or
2 Identify the proposed locations and capacity of expanded/new facilities.
2 Update the 5-year plan biennially.
■ ■
3 . Routinely assess performance of pumped systems.
3 -.Consider using future rainfall intensity data for designing stormwaler systems.
4 :Address the existing drainage problems through capital or otherwise.
r2
Review development regulations from new permit to ensure consistency with
2
Adopt the revised manual as required by NPDES MS4 permit.
, `
Review and revise municipal code to reflect IDDE changes.
2
Submit a SWMP plan to Ecology every year.
2
SSubmit an annual report to Ecology by March 31 every year.
2
Track the costs of implementing SWMP and TMDL requirements and provide in
By March 31, 2027. describe how stormwaler management strategies and receiving
2
,water health are informing long-range comprehensive planning in the annual report.
2
Monitor discharges tothe White River, in association with the Puyallup River
2
Routinely update andreview assetmventory for accuracy.
4
jUpdate development regulations and design standards in accordance with NPDES
■
4
;Map all known piped MS4 outfalls to the Lower White River.
■ IMN I
1
Screen all known piped MS4 outlalts to the Lower White River for illicit discharges.
■ '..
4
Require phosphorus treatment BMPs for all new and redevelopment projects In the
i Lower While River implementation area.
-
i
Midway Point (Anticipated Duration) Repeated Action
Ongoing Action
Figure 8.3.
Page 141 of 769 Implementation Plan Activities Timeline
(1 of 3)
Implementation Plan Activities Timeline 2024
2025 2026 2027 2028 120M
2030
2031.2044
Chapter Action QI-Q4
Ql Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Ql Q2 Q3 Q4: QI Q2 Q3 04
Q1 Q2 Q3 Q4
4 !Continue ongoing inspection programs and re -inspect facilities found to have
j
4 !Enact public education and outreach activities to increase awareness of bacterial
4 ;Maintain pet waste collection stations at Permittee owned or operated lands, as
4 'Revew expected activities for Soos Creek TMDL when It becomes available and
4 ;Develop process to identity and implement needed updates to codes, standards,
■
6 ;Coordinate with firefighting agencies/departments to implement specific protocols
mgarding PFAS discharges into stormwater.
5 :Prepare an assessment of existing conditions.
■
6 1Draft a list of potential policies.
5 ;Select and adopt policies.
5 i Identify a preferred catchment area for inclusion or enhancement.
5 ! Prepare a new SMAP or update the existing SMAP.
5 %Review the road system plan.
5 Review high- priority roadways,
5 ;Determine candidate sites for retrofitting using SMAPs, capital improve ment
5 ;Select projects and include in capital improvement plan.
n•..
5 Document the effectiveness of the behavior change campaign required under the
■ i
5 ;Develop a public education campaign. Consider source control BMPs for building
` ■
5 ;Submit results of public education campaign and recommended strategies for
5 Document public involvement opportunities to overburdened communities.
6 Identifyfacilities to be mapped.
5 i Develop a methodology for mapping outtalls.
6 !Use a geographic information system (GIS) to prepare a map of catchment areas.
6 ;Begin mapping of permittee-owned or operated properties with tree canopy based
5 !Prioritize projects developed in the SMAP that together meet the City's assigned 8.9
5 Review and revise the existing sweeping program.
a
5 Enact the modified sweeping program.
5 ;Review, revise, and make effective LID codes
6 :Evaluate the resource need of the SCIP program and update accordingly.
6 :Coordinate with the Street utility to review and revise the City' isstreet sweeping
5 hnplement asset management program.
5 17frain staff on asset inventory needs. data collection and quality objectives, and
■
5 ;implement the likelihood of failure and criticality of failure scoring methods into
5 ;Establish 8 conduct the practice for priortization of Inspection and other work
i
IDevelop 6 conduct process for reviewing the asset inventory and a routine for
6
;updating when changes and inspections occur.
;Expand scoring methods to include asset types other than collection system piping,
5
;and implement similarly into Cartegraph and inspection prioritization techniques.
5 !Re -conduct pipe depreciation analysis every 5 years to evaluate the effect of the
■
Midway Point (Anticipated Duration)
low
Page 142 of 769
Figure 8-3.
Implementation Plan Activities Timeline
(2 of 3)
Repeated Action
Ongoing Action
Implementation Plan Activities Timeline 2024
202s 2026 2027 ! 2020
2020 ! 2620
2631.2044
Chapter ;Moon QI-Q4
Q1 Q2 Q3 Q4 i Q1 Q2 Q3 Q/ ( Q2 Q2 Q3 Q4' Q1 Q2 Q3 Q4
Qt Q2 Q3 Q4; Q1 Q2 Q3 Q4
6 Consider obtaining CCTV inspection equipment for future pipe inspection.
6 ``Develop a methodology for adding GIs attributes to existing asset Inventory.
6 iDevelop methodology to document condition assessments and provide staff
6 Use results of condition assessments to nave toward risk -based maintenance.
;Demon strafe (through maintenance records) that a subset of City catch basins do
6
not require inspection, cleaning, and maintenance every 2 years per the NPDES
Re-evaluate the inspection frequency and expected effort for the pipe inspection
6
;and ditch maintenance programs to adjust as needed.
6 j Investigate the process for coordinating pipe cleaning and CC TV.
■
6 Develop a more formal procedure for backing M6O repair projects to ensure that as-
built and GIS records are updated when repairs are completed.
i Develop a list of facilities that should be inspected following major design storms
6
and inspect accordingly to verity proper function and identify damage, if any.
6 i Develop protocols for finding, add ing,mapping, and classifying ditches within the
i
6 Determine how to address the elements required when adding new ditches ro the
Use the results of regular ditch inspections to identity system failures. Add a
6 iprogram to the CIP to address ditches with these system failures.
6 Implement a program that focuses on retrofitting ditches with water quality
t
5 Update hydraulic performance metrics.
i
6 jPrepare aCntical drainage review (CDR).
i
5 Develop hydraulic performance measures for critical facilities.
i
5 !Assess vulnerability of critical access roads.
I
5 Protect riparian tree canopy.
r r 8 :Pump Station Level of Service Review
8 ;Pump Station Update
8 iUnderground Injection Wells Retrofit Program
8 1Storm Pipeline Extension Program
j
3
8 'iR Street SE(22nd St SE to 33rd St SE)
8 iReglonal Growth Center
8 ER St. Preservation_,
8 i12th St. SE Water Main
I i
8 Artenat Preservation
8 ilornada Park
■
j
8 iCStSWPreservatlon(W Main to GSA Signal)
8 2026 Local Street Preservation
lamMidway Point (AnhUpared Duration,
- Deadline
Figure 8-3.
Implementation Plan Activities Timeline
Page 143 of 769 (3 of 3)
RepeaM&fion
Ongoing Action
Draft Comprehensive Storm Drainage Plan Update
City of Auburn
9. Financial Plan
9.1 Introduction
This chapter was prepared by FCS Group to provide a financial program that allows the City of
Auburn Storm Drainage Utility to remain financially viable during the planning period. This financial
viability analysis considers the historical financial condition, current and identified future financial
goals and policy obligations, M&0 needs. and the financial impacts of the capital projects identified
in this Comprehensive Storm Drainage Plan. Furthermore, this chapter provides a review of the
Storm Drainage Utility's current rate structure with respect to rate adequacy and customer
affordability.
9.2 Past Financial Performance
This section includes a historical summary of financial performance as reported by the City, including
fund resources and uses arising from cash transactions.
9.2.1 Comparative Financial Statements
The City legally owns and operates the Auburn Storm Drainage Utility. Table 9-1 shows a summary of
storm drainage fund resources and uses arising from cash transactions for the previous six years
(2017 through 2022). The 2023 financial statements were not available at the time this chapter was
developed. Table 9-2 shows a summary of assets and liabilities, with the difference between the two
reported as "net position." Increases and decreases in net position are useful indicators of the
financial position of the City's utility. Noteworthy findings and trends for the historical performance
and condition of the City's Storm Drainage Utility are then discussed.
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City of Auburn
Table 9-1. Summary of Historical Fund Resources and Uses Arising from Cash Transactions
OPERATING REVENUES
Charges for Service
Other Operating Revenue
Total Operating Revenues
OPERATING EXPENSES
Operations and Maintenance
Administration
Depreciation and Amortization
Other Operating Expenses
Total Operatng Expenses
Operating Income (Loss)
NONOPERATING REVENUES (EXPENSES)
Interest Revenue
Other Non -Operating Revenue
Gain (Loss) on Sale of Capital Assets
Interest Expense
Other Non -Operating Expense
Total Non -Operating Revenues (Expenses)
Income (Loss) before Contributions and Transfers
Capital Contributions
Transfers In
Transfers Out
Change in Net Position
Net Position, January 1
Net Position, December 31
$ 9,778,102 $ 9,809,840 $ 10,110,490 $ 10,301.049 $ 10,591,890 $ 10,985,794
$ 9,778,102 $ 9,809,840 $ 10.110,490 $ 10,301,049 $ 10,591.890 $ 10,985.794.
$ 3,379,046 $ 3,568.600 $ 3,509,728 $ 3,360,404 $ 4,150.264 $ 4,135,306
3,372,935 3,326,599 3,230,505 3,144,182 3.109,673 3,835,875
1,885,931 2,067,030 2,092,443 2,120,788 2.133,233 1,837,459
13.085 - - - - -
$ 8,650,997 $ 8,962,229 $ 8,832,676 $ 8.625,374 $ 9,393,170 $ 9,808.640
$ 1.127,105 $ 847.611 $ 1,277,814 $ 1,675,675 $ 1,198,720 $ 1,177,1541
$ 151,733 $ 327,884 $ 518,073 $ 162,516 $ (34.640) $ 300,426
78,397 165.136 81,307 125,963 102,214 132,440
(328,972) (310,816) (293.420) (129,471) (152,526) (133,330)
(101,328) - (26,022) (428,759)
$ (98,842) $ 80,876 $ 305,960 $ 132.986 $ (84,952) $ (129,223)
$ 1.028,263 $ 928,487 $ 1,583,774 $ 1.808,661 $ 1,113,768 $ 1,047,931
$ 2,313,033 $ 995,853 $ 1,021,824 $ 1,546,772 $ 5,364,962 $ 1,408,167
300,000 125.000 - - - -
(672.122) (332,589) (138,357) (137,399) (155,972) (133,555)
$ 2,969,174 $ 1,716,751 $ 2,467,241 $ 3,218,034 $ 6,322,758 $ 2,322,543
$ 64,010.652 $ 66,979.826 $ 68,696,577 $ 71,163,818 $ 74.381.852 $ 80,704,610
$ 66,979,826 $ 68,696,577 $ 71,163.818 $ 74,381,852 $ 80.704,610 $ 83,027,153
08M Coverage Ratio 113.0% 109.5°% 114 5% 119.4% 112.8% 112.0%
Net Operating Income as a % of Operating Revenue 11.5% 8.6% 12 6% 16.3% 11.3% 10.7%
Debt Service Coverage Ratio 3.75 3-63 4,21 5,59 492 4.46
9.2.1.1 Findings and Trends
■ The City's storm drainage charges for services increased from $9.8 million in 2017 to $11.0
million in 2022. The average annual increase was approximately 2.4% per year, with a total
increase of 12.4% from 2017 to 2022. Operating expenditures increased by $1.2million
across the 6 years with an average annual increase of 2.5%. While operating expenditures
increased across the 6 years, they fell in 2019 and 2020 before increasing by 8.9% in 2021.
With growth in total operating revenues slightly below growth in operating expenses,
operating income has remained positive in all years.
■ The M&O coverage ratio (total operating revenues divided by total operating expenses) was
113% in 2017. With relatively balanced revenues and expenses, this metric has maintained
its stability, ending 2022 at 112.0%. A ratio of 100% or greater shows that operating revenue
will successfully cover operating expenses, and the utility has remained above this ratio for
the past 6 years.
■ Net operating income as a percentage of operating revenue was 11.5% in 2017, decreasing
to 8.6% in 2018, before recovering back to 10.7% by 2022. Similar to the M&O coverage
ratio, these trends show how successfully operating revenue actually covered operating
expenses, with higher positive numbers being the best and negative numbers showing a
need for improvement. In addition, these trends demonstrate the ability of the utility to invest
in capital, whether through direct cash transfers or the issuance and servicing of debt.
August 2024 1553-1931-052 9-2
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Draft Comprehensive Storm Drainage Plan Update
City of Auburn
■ The debt service coverage ratio measures the amount of cash flow available to meet
principal and interest payments. Typically, revenue bond debt service coverage requires a
minimum factor of 1.25 during the life of the loans. This ratio is calculated by dividing cash
or net operating income (operating revenues minus operating expenses) by annual revenue
bond debt service. The debt service coverage ratio for all outstanding revenue bond debt
ended 2017 at 3.8, decreasing to 3.6 in 2018, before increasing to 4.5 by 2022. The fact
that this ratio has sustained levels higher than the minimum target of 1.25 indicates a stable
capacity for new debt and will likely result in favorable terms when entering the bond market.
August 2024 1553-1931-052 9-3
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City of Auburn
Table 9-2. Summary of Historical Comparative Statements of Net Position
CURRENT ASSETS
Cash and Cash Equivalents
$
14,545.114 $
14644,121 If
12,738,639 $
17,124,762 $
16.904.318 $
16,689,485
Investments
-
4.781.224
4.389.043
2,729,581
4.951.200
4.566,850
Restricted Cash:
Bond Payments
804,480
803,251
800093
679.184
657,541
658.088
Customer Deposits
3,422
3,422
3,422
3.422
3.422
3,422
Other (Reserve for Bonds and Rate Stabiliz kcn)
1,195,817
1,203.670
1,211,285
1,081,961
1,082,389
1,088,818
Customer Accounts
1,066,124
1.105,972
1,631,660
1,712 774
1,611.351
1.796,825
Other Receivables
-
14,757
14,757
-
7,104
7104
Due From Other Governmental Units
70,124
103,343
72,123
109,161
122,276
Inventories
7,390
4,795
9,099
8,745
9,597
14414
Total Current Assets
$
17,692,471 $
18,664.555 $
20.797.998 $
23,412.552 $
25,336,083 $
24,943,282
NONCURRENT ASSETS
Long -Term Contracts. Leases and Notes
$
- $
- $
- $
- $
- $
-
Net Pension Asset
-
-
-
-
2,040,168
751,962
Capital Assets Not Being Depreciated.
Land
5,937,014
5,937,014
5,937,014
5,937,014
5,937,014
5,937,014
Intangible - Water Rights
-
-
-
-
-
-
Construction In Progress
459,310
153.082
648.531
342,126
980,569
1,135.843
Capital Assets:
Buildings and Equpment
290,575
290,575
290.575
282.111
282,111
282,111
Improvements Other Than Buildings
79,177,949
81,449,103
82,903.631
84,749,193
89,739,833
93,201,563
Right of Use (Leases)
-
-
-
-
-
Less Accumulated Depreciation
(26,325,396)
(28,392,426)
(30,484,869)
(32,587,697)
(34,720,930)
(36,558,389)
Total Noncurrent Assets Net of Accumulated Depreciation
$
59.539,452 $
59437.348 $
59,294,862 $
58,722,747 $
64,258.765 $
64,750,104
TOTAL ASSETS
$
77.231923 $
78101,903 $
80.092.880 $
82.135.299 $
89,594.848 $
89,693,386
DEFFERED OUTFLOWS OF RESOURCES
Deferred Outflow from Bond Refunding
$
- $
- $
- $
29,232 $
29,232 $
29,232
Deferred Outflow related to Pensions
292,611
254,676
274.851
309,222
286,842
820,313
Total Deferred Outflows of Resources
292,611
254,676
274,851
338,454
316,074 $
849,545
CURRENT LIABILITIES
Current Payables
$
391,180 $
308,381 If
578,689 If
305,576 $
626,924 If
496,608
Claims Payable
-
-
-
-
-
-
Loans Payable - Current
-
-
-
-
-
Employee Leave Benefits - Current
173,857
156.429
154.609
156.429
199.603
246,831
Leases Payable - Current
-
-
-
-
-
-
Revenue Bonds Payable - Current
425,578
437,848
452,418
411,430
426.973
446.716
Payable From Restricted Assets:
Accrued Interest
377,766
365,303
347,675
267,753
249.914
229,124
Deposits
3A22
3,422
3,422
3,422
3,422
3,422
Other Liabilities Payable
469
Total Current Lobilrbes
f
1,372,272 $
1211493 $
1,536,813 $
1,144,610 $
1,506836 $
1422701
NONCURRENT LIABILITIES
Employee Leave Benefits
$
52,506 $
56,590 $
4101 $
56,590 $
86,394 $
94.689
Loans Payable
-
-
-
-
-
-
Leases Payable
-
-
-
-
Revenue Bonds Payable
7,495,862
7,030,496
6,550,661
6,069,633
5,564,619
5,039.861
Net Pension liability
1,339,843
805,573
527,198
509,0111
122,090)
128,697
Total Non Current Liabilities
$
8,8118,211 $
7,892,659 $
7,118,950 $
6,635,237 $
5,528,923 $
5,263,247
TOTAL LIABILITIES
$
10,260,483 $
9,164,142 $
8,655,763 $
7,779,847 $
7,035,759 $
6,685,948
DEFERRED INFLOWS OF RESOURCES
Deferred Inlow Related to Leases
$
- $
- $
- $
- $
- $
-
Deferred Inlow Related to Pensions
284225
495,860
548.150
312,054
2,170.553
829,830
Total Deferred Inflows of Resources
$
284,225 $
495,860 $
548,150 $
312,054 $
2,170,553 $
829,830
NET POSITION
Net Investment inCapital Assets
$
52,422,492 $
52,772,155 $
53.091,896 $
52.920,868 $
56.884,546 $
58,512,575
Restricted For:
Debt Service
398.648
411,110
426.793
375.725
393,992
1,078,298
Rate Stabilization
419,403
427.257
436,817
438,483
438,483
438,483
Pension Asset
-
-
-
-
751,962
Unresfricled
13,739,283
15.086.055
17,208,312
20,646,776
22,987.589
22,245,845
TOTAL NET POSITION
$
66,979,826 $
68,696,577 $
71,163.818 $
74,381,852 $
80.704,610 $
93,027.153
Current Ratio
12.9
14.7
13.5
20.5
16.8
17.5
Debt to Net Position Ratio
0 12
0.11
0.10
0.09
0.08
0.07
Debt to Noncurrent Capital Assets Ratio
0.14
0.13
0.12
0.11
0.10
0.09
August 2024 1 553-1931-052 9-4
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Draft Comprehensive Storm Drainage Plan Update
City of Auburn
9.2.1.2 Findings and Trends
■ The current ratio is calculated by dividing unrestricted current assets by current liabilities and
measures an entity's ability to pay short-term obligations. This ratio ranges from a low of
12.9 in 2017, reaching a high of 20.5 in 2020, before ending at 17.5 in 2022. Anything
above 2.0 for this liquidity ratio is good.
■ The debt -to -net -position ratio compares total debt to total net position, which is the
difference between current assets and liabilities. This ratio begins at 0.12 or 12% debt in
2017 and decreases to 0.07 or 7% by 2022. These results indicate the utility has ample
borrowing capacity to address future capital improvement needs. For utilities, a ratio of 40%
to 60% helps to moderate rate impacts by spreading costs over a longer period. Based on
these results, the City may consider utilizing debt service for future capital investments,
especially if it benefits system expansion.
■ The debt -to -noncurrent -capital -asset ratio compares total debt to noncurrent capital assets,
which are also known as property, plant, and equipment. This ratio begins at 0.14 or 14%
debt to 86% noncurrent assets in 2017. Noncurrent capital assets increase by $5.2 million
throughout the 6-year history, while debt decreases $2.5 million, and the ratio decreases to
0.09 or 9% by 2022. Similar to the debt -to -net position ratio, these results indicate the utility
has ample borrowing capacity and may consider utilizing debt service for future capital
investments, especially if it benefits system expansion. A ratio of 40% debt to 60% equity or
below is a general industry target.
9.3 Financial Plan
The Storm Drainage Utility is responsible for generating sufficient revenue to meet all of its costs.
The primary source of funding is derived from ongoing monthly service charges, with additional
revenue coming from late fees, storm applications and investment interest. The City controls the
level of user charges and, with City Council approval, can adjust user charges as needed to meet
financial objectives.
The financial plan can only confirm financial feasibility if it considers the total system costs of
providing storm drainage services, both operating and capital. To meet these objectives, the
following elements have been completed.
1. Capital Funding Plan. Identifies the total capital improvement plan obligations of the planning
period. The plan defines a strategy for funding the capital improvement plan, including an
analysis of available resources from rate revenues, existing reserves, system development
charges, debt financing, and any special resources that may be readily available (e.g., grants,
developer contributions). The capital funding plan impacts the financial plan through the use
of debt financing (resulting in annual debt service) and the assumed rate revenue made
available for capital funding.
2. Financial Forecast. Identifies future annual non -capital costs associated with the operation,
maintenance, and administration of the storm drainage system. Included in the financial
plan is a reserve analysis that forecasts cash flow and fund balance activity, along with
testing for satisfaction of actual or recommended minimum fund balance policies. The
financial plan ultimately evaluates the sufficiency of utility revenues in meeting all
obligations, including cash uses such as operating expenses, debt service, capital outlays,
and reserve contributions, as well as any coverage requirements associated with long-term
debt. The plan also identifies the future adjustments required to fully fund all utility
obligations in the planning period.
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City of Auburn
9.3.1.1 Capital Funding Plan
To properly evaluate future capital funding needs, capital costs were escalated by 3% annually to the
year of planned spending. The capital improvement plan developed for this Plan identifies $26.5
million in escalated project costs over the 10-year planning horizon from 2024 to 2033. The 20-year
period through 2043 includes $61.7 million in total escalated project costs.
A summary of the 10-year and 20-year capital improvement plans are shown in Table 9-3. As shown,
each year has varied capital cost obligations depending on construction schedules and infrastructure
planning needs.
Table 9-3. 10-Year and 20-Year Capital Improvement Plans
2024
$ 2,531,000 $
2,531,000
2025
3,498,220
3,603,167
2026
6,257,780
6,638,879
2027
1,282,000
1,400,876
2028
1,659,000
1,867,219
2029 1,255,000
1,454,889
2030 1,620,000
1,934,365
2031 1,352,000
1,662,789
2032 2,065,000
2,615,880
2033 2,104,000 2,745,243
10-Year Total $ 23,624,000 $ 26,454,307
2034 - 2043 23,073,000 35,209,528
20-Year Total $ 46,697,000 $ 61,663,835
Table 9-4 provides more detail for the 10-year capital improvement plan.
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City of Auburn
9.4 Available Funding Assistance and Financing Resources
Feasible long-term capital funding strategies must be defined to ensure that adequate resources are
available to fund the capital improvement plan identified in this Plan. In addition to the City's
resources, such as accumulated cash reserves, capital revenues, and rate revenues designated for
capital purposes, capital needs can be met from outside sources, such as grants, low -interest loans,
and bond financing. The following is a summary of the City's internal and external resources.
9.4.1 City Resources
Resources appropriate for funding capital needs include accumulated cash in the capital fund, rate
revenues designated for capital spending purposes, developer contributions, and capital -related
charges such as system development charges. The first two resources will be discussed in the Fiscal
Policies section of the Financial Forecast. Capital -related charges are discussed below.
9.4.1.1 System Development Charges
A connection charge, such as the City's SDC, refers to a one-time charge imposed on new customers
as a condition of connecting to the storm drainage system. The purpose of the SDC is two -fold: (1) to
promote equity between new and existing customers and (2) to provide a source of revenue to fund
capital projects necessary for meeting growth. This revenue can only be used to fund utility capital
projects or to pay debt service incurred to finance those projects. In the absence of a connection
charge, growth -related capital costs would be borne in large part by existing customers. In 2024, the
City charged all new customers an SDC of $1,759 per ESU, which is defined as 2,600 square feet of
impervious surface area.
9.4.1.2 Local Facilities Charge
A utility local improvement district (ULID) is another mechanism for funding infrastructure that
assesses benefited properties based on the special benefit received by the construction of specific
facilities. Most often used for local facilities, some ULIDs also recover related general facilities costs.
Substantial legal and procedural requirements can make this a relatively expensive process, and
there are mechanisms by which a ULID can be rejected.
9.4.2 Outside Resources
This section outlines various grant, loan, and bond opportunities available to the City through federal
and state agencies to fund the capital improvement plan identified in the Plan.
9.4.2.1 Grants and Low -Cost Loans
Historically, federal and state grant programs were available to local utilities for capital funding
assistance. However, these assistance programs have been mostly eliminated, substantially reduced
in scope and amount, or replaced by loan programs. Remaining grant programs are generally lightly
funded and heavily subscribed. Nonetheless, the benefit of low -interest loans makes the effort of
applying worthwhile.
The State of Washington's Department of Commerce maintains a document currently entitled
"Funding Programs for Drinking Water and Wastewater Projects; Updated 3-5-2024," which contains
details on government programs, eligibility requirements, and contact information, should the City
wish to inquire about program offerings and eligibility requirements.
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9.4.2.2 Bond Financing
General Obligation Bonds - General obligation (G.O.) bonds are bonds secured by the full faith and
credit of the issuing agency, committing all available tax and revenue resources to debt repayment.
With this high level of commitment, G.O. bonds have relatively low interest rates and few financial
restrictions. However, the authority to issue G.O. bonds is restricted in terms of the amount and use
of the funds, as defined by the Washington constitution and statute. Specifically, the amount of debt
that can be issued is linked to assessed valuation.
RCW 39.36.020 states:
(2)(a)(ii) Counties, cities, and towns are limited to an indebtedness amount not
exceeding one and one-half percent of the value of the taxable property in such
counties, cities, or towns without the assent of three -fifths of the voters therein
voting at an election held for that purpose.
(b) In cases requiring such assent counties, cities, towns, and public hospital districts
are limited to a total indebtedness of two and one-half percent of the value of the
taxable property therein.
While bonding capacity can limit the availability of G.O. bonds for utility purposes, these can
sometimes play a valuable role in project financing. A utility rate savings may be realized through two
avenues: the lower interest rate and related bond costs and the extension of repayment obligation to
all tax -paying properties (not just developed properties) through the authorization of an ad valorem
property tax levy.
Revenue Bonds - Revenue bonds are commonly used to fund utility capital improvements. The debt
is secured by the revenues of the issuing utility. With this limited commitment, revenue bonds
typically bear higher interest rates than G.O. bonds and require security conditions related to the
maintenance of dedicated reserves (a bond reserve) and financial performance (added bond debt
service coverage). The City agrees to satisfy these requirements by resolution as a condition of
bond sale.
Revenue bonds can be issued in Washington without a public vote. There is no bonding limit, except
perhaps the practical limit of the utility's ability to generate sufficient revenue to repay the debt and
provide coverage. In some cases, poor credit might make issuing revenue bonds problematic.
9.4.3 Capital Financing Strategy
An ideal capital financing strategy would include the use of grants and low-cost loans when debt
issuance is required. However, these resources are very limited and competitive in nature and do not
provide a reliable source of funding for planning purposes. It is recommended that the City pursue
these funding avenues but assume revenue bond financing to meet the needs that can't be met by
available cash resources. The capital financing strategy developed to fund the capital improvement
plan identified in this Plan assumes the following funding resources:
■ Accumulated cash reserves.
■ Transfers of excess cash (over minimum balance targets) from the operating fund.
■ System development charge revenues.
■ King County Opportunity Fund grant revenues.
■ Interest earned on capital fund balances.
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The majority, 83%, of projects are funded through cash resources. The remaining 17% are funded
through a combination of system development charges and grants. No new debt is anticipated in the
next 10-year or 20-year planning periods. Table 9-5 presents the 10-year and 20-year capital
financing strategy.
Table 9-5. 10-Year and 20-Year Capital Financing Strategy
2024 $ 2,531,000 $ 375,000 $ - $ 2,156,000 $ 2,531,000
2025 3,603,167 362,335 - 3,240,832 3,603,167
2026 6,638,879 374,698 500,000 5,764,181 6,638, 879
2027 1,400,876 387,482 - 1,013,394 1,400,876
2028 1,867,219 400,703 - 1,466,516 1,867,219
2029 1,454,889 414,375 - 1,040,514 1,454,889
2030
1,934,365
428,514
- 1,505,851
1,934,365
2031
1,662,789
443,135
- 1,219,655
1,662,789
2032
2,615,880
458,255
- 2,157,626
2,615,880
2033
2,745,243
473,890
- 2,271,353
2,745,243
Subtotal
$ 26,454,307 $
4,118,387 $
500,000 $ 21,835,920 $
26,454,307
2034 - 2043
35,209,528
5,725,752
- 29,483,776
35,209,528
Total $ 61,663,835 $ 9,844,139 $ 500,000 $ 51,319,696 $ 61,663,835
9.5 Financial Forecast
The financial forecast, or revenue requirement analysis, forecasts the amount of annual revenue
that needs to be generated by storm drainage service rates. The analysis incorporates operating
revenues, M&0 expenses, debt service payments, rate -funded capital needs, and any other
identified revenues or expenses related to operations. The objective of the financial forecast is to
evaluate the sufficiency of the current level of rates. In addition to annual operating costs, the
revenue needs also include debt covenant requirements and specific fiscal policies and financial
goals of the City.
For this analysis, two revenue sufficiency tests have been developed to reflect the financial goals
and constraints of the City —cash needs must be met, and debt coverage requirements must be
realized. In order to operate successfully with respect to these goals, both tests of revenue
sufficiency must be met.
Cash Test - The cash flow test identifies all known cash requirements for the City in each year of the
planning period. Typically, these include M&0 expenses, debt service payments, rate -funded system
reinvestment funding or directly funded capital outlays, and any additions to specified reserve
balances. The total annual cash needs of the City are then compared to projected cash revenues
using the current rate structure. Any projected revenue shortfalls are identified, and the rate
increases necessary to make up the shortfalls are established.
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Coverage Test - The coverage test is based on a commitment made by the City when issuing
revenue bonds and some other forms of long-term debt. For the purposes of this analysis, revenue
bond debt is assumed for any needed debt issuance. As a security condition of issuance, the City
would be required per covenant to agree that the revenue bond debt would have a higher priority for
payment (a senior lien) compared to most other expenditures; the only outlays with a higher lien are
M&O expenses. Debt service coverage is expressed as a multiplier of the annual revenue bond debt
service payment. For example, a 1.00 coverage factor would imply that no additional cushion is
required. A 1.25 coverage factor means revenue must be sufficient to pay M&O expenses, annual
revenue bond debt service payments, and an additional 25% of annual revenue bond debt service
payments. The excess cash flow derived from the added coverage, if any, can be used for any
purpose, including funding capital projects. Targeting a higher coverage factor can help the City
achieve a better credit rating and provide lower interest rates for future debt issues.
In determining the annual revenue requirement, both the cash and coverage sufficiency tests must be
met, and the test with the greatest deficiency drives the level of needed rate increase in any given year.
9.5.1 Current Financial Structure
The City maintains a fund structure and implements financial policies that target management of a
financially viable and fiscally responsible storm drainage system.
9.5.1.1 Fiscal Policies
A summary of the key financial policies employed by the City, as well as those recommended and
incorporated in the financial program, are discussed below.
Operating Fund - Operating reserves are designed to provide a liquidity cushion to ensure that
adequate cash working capital will be maintained to deal with significant cash balance fluctuations,
such as seasonal fluctuations in billings and receipts, unanticipated cash expenses, or lower than
expected revenue collections. Like other types of reserves, operating reserves also serve another
purpose: they help smooth rate increases over time. Target funding levels for an operating reserve
are generally expressed as a certain number of days of M&O expenses, with the minimum
requirement varying with the expected revenue volatility. Industry practice for utility operating
reserves ranges from 30 days (8%) to 120 days (33%) of M&O expenses, with the lower end more
appropriate for utilities with stable revenue streams and the higher end more appropriate for utilities
with significant seasonal or consumption -based fluctuations.
This financial plan targets a minimum balance in the Storm Drainage Utility operating fund equal to
60 days of M&O expenses.
Capital Fund - A utility capital contingency reserve is an amount of cash set aside in case of an
emergency should a piece of equipment or a portion of the utility's infrastructure fail unexpectedly.
The reserve could also be used for other unanticipated capital needs, including capital project cost
overruns. Industry practices range from maintaining a balance equal to 1% to 2% of fixed assets, an
amount equal to a 5-year rolling average of capital improvement plan costs, or an amount
determined sufficient to fund equipment failure (other than catastrophic failure). The final target
level should balance industry standards with the risk level of the City.
This financial plan targets a minimum balance in the Storm Drainage Utility capital fund equal to 1%
of fixed assets.
Rate Stabilization Fund - A rate stabilization reserve is a restricted fund balance intended to be
available to offset specific variations in revenues or expenses. For rate modeling, planned deposits
into the fund would appear as an expense, and use of the reserve would rarely appear in rate
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planning (only when analyzing adverse conditions). The reserve is established with specific rules and
restrictions regarding contributions, withdrawals, and replenishment. These rules are generally
constructed to minimize or mitigate rate impacts.
The City currently maintains a rate stabilization reserve for the Storm Drainage Utility but does not
have a formal rate stabilization reserve policy. For modeling purposes, the study does not assume
additional reserves are funded. Rather, the City will maintain the reserve at its current level.
System Reinvestment - System reinvestment funding promotes system integrity through ongoing
repair and replacement of system infrastructure. Ideally, a detailed asset management plan would
guide the level of rate funded system reinvestment. However, in absence of this level of effort,
annual depreciation expense is commonly used as a measure of the decline in asset value
associated with routine use of the system. Particularly for utilities that do not already have an explicit
system reinvestment policy in place, implementing a funding level based on full depreciation
expense could significantly impact rates. An alternative benchmark is annual depreciation expense
net of debt principal payments on outstanding debt. This approach recognizes that customers are
still paying for certain assets through the debt component of their rate and intends to avoid
simultaneously charging customers for an asset and its future replacement. The specific benchmark
used to set system reinvestment funding targets is a matter of policy that must balance various
objectives, including managing rate impacts, keeping long-term costs down, and promoting
"generational equity" (i.e., not excessively burdening current customers with paying for facilities that
will serve a larger group of customers in the future).
The City is currently phasing in system reinvestment funding and is forecast to reach 67% of annual
depreciation levels by 2033. With this phase -in strategy in place, the City is forecast to fund an
average of $1.1 million in capital costs annually through rate revenues within the 10-year
forecast period.
Debt Management - It is prudent to consider policies related to debt management as part of a
broader utility financial policy structure. Debt management policies should be evaluated and
formalized, including the level of acceptable outstanding debt, debt repayment, bond coverage, and
total debt coverage targets. The City has two outstanding storm drainage revenue bonds, one of
which will be fully repaid in 2030, with the second fully repaid by 2032. This forecast meets or
exceeds the required revenue bond debt service coverage of 1.25.
9.5.2 Financial Forecast
The financial forecast is primarily based upon the City's budget through 2024 and takes into
consideration other key factors and assumptions needed to develop a complete portrait of the City's
annual Storm Drainage Utility financial obligations. The following is a list of the key revenue and
expense factors and assumptions used to develop the financial forecast.
■ Growth - Rate revenue is escalated utilizing a 0.4% growth rate developed based on actual
historical trends within the City.
■ Revenue - The City has two general revenue sources: (1) storm drainage service charges
(rate revenue) and (2) miscellaneous (non -rate) revenue. In the event of a forecasted annual
shortfall, rate revenue can be increased to meet the annual revenue requirement. For the
purpose of this financial forecast, rate revenues are forecasted to increase with customer
growth. Non -rate revenues are held constant throughout the forecast period, with the
exception of interest earnings, which are calculated based on projected balances, assumed
investment rates, and senior rebates, which increase with customer growth assumptions.
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■ System Development Charge Revenue - The existing system development charges are
applied to the projected new connections to forecast revenue. Connection charges are
forecasted to generate an average of $412,000 annually from 2024 through 2033. This
equates to an average of 204 new ESUs per year. Connection charge revenue is directed
towards annual capital needs.
■ Expenses - M&O expense projections are based on the City's budget through 2024 with
general cost inflation increases of 3%, labor cost inflation of 5% for 2025 and 2026,
decreasing to 3% thereafter and benefit cost inflation increases of 12.5% for 2025 and
2026, decreasing to 5.5% per year thereafter. Budget figures were used for taxes through
2024. Future taxes are calculated based on forecasted revenues and prevailing tax rates.
■ Facilities GO Bond - In order to construct a new facility for M&O for the City, the Storm
Drainage Utility will fund part of a G.O. bond totaling approximately $38 million. Beginning in
2025, the Storm Drainage Utility's proportionate share of the bond is forecasted at
$333.000 annually for the remainder of the 20-year forecast.
■ Existing Debt - The Storm Drainage Utility has two outstanding revenue bond debt issues.
The 2020 refunding bond has annual payments of $314,000 that end after 2030, with the
2013 revenue bond carrying payments of $343,000 annually, ending after 2032. The total
annual existing debt service obligations begin 2024 at $659,000 and are completely repaid
by 2033.
■ Future Debt - No new debt is anticipated in the 10-year and 20-year forecast periods.
■ Transfers to Capital - Operating fund balance above the minimum requirement is assumed
to be available to fund capital projects and projected to be transferred to the capital fund
each year, if needed. In total, the utility is forecast to fund $13 million in capital projects from
excess operating fund cash within the 10-year forecast period.
Although the financial plan is completed through 2043, the rate strategy focuses on the shorter -term
planning period of 2024 through 2033. It is recommended that the City revisit the proposed rates
every 2 to 3 years to ensure that the rate projections developed remain adequate. Any significant
changes should be incorporated into the financial plan and future rates should be adjusted as needed.
Table 9-6 summarizes the annual revenue requirements based on the forecast of revenues,
expenditures, fund balances, and fiscal policies.
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Rob Revenues Under Exisklg Rats
Non -Rat Revues
Total Revenues
Cash Opera" Expenses
Exafng DeM Service
New Debt Service
Rate Funded Sysbm Reinvestnent
Total Experts"
Total Surplus (Deficiency)
Annual Rate Adjustment
Cumulative Annual Rate Adjustment
Rate Revenues A9er Rat! Increase
Aftional Taxes tom Rat Incease
Net Cash Flow After Rate Increase
Coverage Allen Rat! Increases
Draft Comprehensive Storm Drainage Plan Update
City of Auburn
Table 9-6. 10-Year Financial Forecast
$ 12.458782 S 12,508,618 $ 12,558,652 $ 12,608887 S 12654322 $ 12, 709,959 S 12.78Q799 $ 12,811,843 $ 12,853,090 $ 12.914542
262,900 291878 206,130 181,387 181.869 182,399 182,953 153,531 184,135 184766'
f 12,721,682 $ 12,800,494 f 12,764,782 f 12,790,254 $ 12,541,191 f 12,892.359 S 12,943,752 $ 12,895,313 S 13,047,225 f 13.099,309
$ 10,828,608 $
11,812,282 $
12,353.297 f
12,714.570 $
13,093,018 S
13,485,879 $
13,893,762 $
14.317,305 f
14757.174 $
15.214.0681
659,447
659,311
857,189
857,253
658.401
656.328
655,274
342,972
342,988
-
1,000.000
903,142
717.190
782,323
W 652
899000
958.051
1,330,768
1,388.178
1,790,229 �
S 12,466,065 $
13,374,734 $
13,727,11H $
14,154,146 $
14,590,070 S
15,0141.207 S
15,507,087 f
15,991.045 f
16,466,240 S
17,004297,
f 233,628 f
674,242) f
962.674 f
1,363,891 f
1,748,876 It
2,148,849 f
2,56.3,335 S
2.995,672) f
3,441,016 f
(3,904,990
6.75%
3.00%
3,00%
3.00%
3.00%
3.00%
3.00%
3.00%
3.00%
6.75%
9.95%
13.25%
16.65%
20,15%
23.75%
27,117%
3129%
3523%
$ 12458.782 f
13.352,949 f
13.808.552 f
14.279.700 f
14,766,923 f
15,270,770 S
15.791,809 $
16,330.626 $
16,887,827 f
17464.039
-
97,098
143,738
192.143
242,374
294493
348.566
404.6i30
462,845
523,1921
$ 233,628 $ 172,992 $ 143,288 S 114,778 $ lie,348
4.84 5.87 5 21 4.90 4.99
10,15 10.36 Na
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The financial forecast indicates that at existing rate levels the utility will become deficient in 2025 as
growth in expenses outpaces growth in revenues and the utility phases in rate funded system
reinvestment levels, reaching 67% of annual depreciation by 2033. The City has adopted a 6.75%
increase for 2025, in order to resolve the remaining projected deficiency, rates will need to increase
by 3% annually from 2026 through 2033.
9.5.2.1 City Funds and Reserves
Table 9-7 shows a summary of the projected operating fund and capital fund ending balances
through 2033 based on the rate forecasts presented above. The operating fund is maintained at a
minimum of 60 days of M&0 expenses, and the capital fund balance continues to meet or exceed
the minimum target of 1% of fixed assets in every year of the forecast.
Table 9-7. Ending Cash Balance Summary
Operafng Fund $ 1,804,768 $ 1,%8,714 $ 2,058,883 $ 2,119,095 $ 2,182,170 $ 2.247,646 $ 2,315,627 $ 2,386,218 $ 2,459,529 $ 2,535,678
Capital Fund 20,694,062 18,986,240 14,372,092 14,339.309 13,908,111 13,957.671 13,600,577 13,895,557 13,312,629 13,009,799
Total $ 22,498,830 $ 20,954,954 $ 16,430,975 $ 16,458,404 $ 16,090,281 $ 16,205,318 S 15.916,204 $ 16,281,774 $ 15,772,158 $ 15,545,477
9.6 Current and Projected Rates
9.6.1 Current Rates
The existing storm drainage rate is a monthly flat rate that is charged to each customer per ESU.
Each single-family customer is considered one ESU. All non -single-family customers are charged
based on the total amount of impervious surface area on -site. The average single family residential
lot has 2,600 square feet of impervious surface area, so the total impervious surface area for a non-
residential lot is divided by 2,600 to calculate the number of ESUs for that site. Table 9-8 shows the
existing City of Auburn storm drainage rate schedule.
Table 9-8. Existing Schedule of Rates
i.-scription
Existing
Per ESU Rate
Single Family
$ 18.09
Non -Single Family (NSF)
18.09
NSF wlDetention
15.57
NSF w/Retention
13.04
NSF w/Water Quality
16.64
NSF wlDetention & Water Quality
14.12
NSF w/Retenton & Water Quality
11.59
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9.6.2 Projected Rates
The financial forecast discussed above indicates the need for annual rate adjustments in order to
satisfy all forecasted financial obligations. The City has adopted a 6.75% rate increase for 2025, with
annual 3% increases forecasted from 2026 through 2033. Table 9-9 shows the projected rates with
increases applied uniformly to all storm drainage classes.
Table 9-9. Proposed Storm Drainage Rates
Per ESU Rate
Single Family
$ 18.09
$ 19.31 $
19.89
$ 20.49 $
21.10
$ 21.73
$ 22.38
$ 23.05
$ 23.74
$ 24.45
Non -Single Family (NSF)
18.09
19.31
19.89
20.49
21.10
21.73
22.38
23.05
23.74
24.45
NSF w/Detention
15.57
16.62
17.12
17.63
18.16
18.70
19.26
19.84
20.44
21.05
NSF w/Retention
13.04
13.92
14.34
14.77
15.21
15.67
16.14
16.62
17.12
17.63
NSF w/Water Quality
16.64
17.76
18.29
18.84
19.41
19.99
20.59
21.21
21.85
22.51
NSF w/Detention 8 Water Quality
14.12
15.07
15.52
15.99
16.47
16.96
17.47
17.99
18.53
19.09
NSF w/Retention 8 Water Quality
11.59
12.37
12.74
13.12
13.51
13.92
14.34
14.77
15.21
15.67
9.6.3 Affordability
A common affordability metric used by the EPA to measure the relative financial impact storm
drainage rates have on a community as a whole considers whether rates exceed 2.5% of a
community's median household income. The average median household income for the City was
$87,406 between 2018 and 2022 according to the U.S. Census Bureau. The 2022 value is
escalated based on the actual rate of inflation in 2023 of 4.31% and the 3% inflation rate used in
the financial forecast to project the median household income in future years. Table 9-10 presents
the City's monthly storm drainage bill, projected to 2033 and tested against the 2.5% monthly
affordability threshold.
Table 94 0. Community Affordability Test
2022
$ 87,406
2023
4.31%
91,173
2024
3.00%
93,908 $
195.64 $
18.09
0.23%
2025
3.00%
96,726
201.51
19.31
0.24%
2026
3.00%
99,627
207.56
19.89
0.24%
2027
3.00%
102,616
213.78
20.49
0.24%
2028
3.00%
105,695
220.20
21.10
0.24%
2029
3.00%
108,866
226.80
21.73
0.24%
2030
3.00%
112,132
233.61
22.38
0.24%
2031
3.00%
115,495
240.62
23.05
0.24%
2032
3.00%
118,960
247.83
23.74
0.24%
2033
3.00%
122,529
255.27
24.45
0.24%
Applying the 2.50% test, the City's rates are forecasted to remain within the indicated affordability
range through 2033.
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9.7 Conclusion
The results of this analysis indicate that at existing rate levels the utility will be deficient beginning
in 2025. To keep pace with expenses and continue to phase in rate -funded system reinvestment
towards depreciation levels, the City has adopted a 6.75% rate increase in 2025. Forecasting into
the future, a 3% annual rate increase will be required from 2026 through 2033. It is recommended
that the City regularly review and update the key underlying assumptions that compose the
multiyear financial plan to ensure that adequate revenues are collected to meet the City's total
financial obligations.
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10. Limitations
This document was prepared solely for the City of Auburn in accordance with professional standards
at the time the services were performed and in accordance with the contract between City of Auburn
and Parametrix dated March 16, 2022. This document is governed by the specific scope of work
authorized by the City of Auburn; it is not intended to be relied upon by any other party except for
regulatory authorities contemplated by the scope of work. We have relied on information or
instructions provided by the City of Auburn and other parties and, unless otherwise expressly
indicated, have made no independent investigation as to the validity, completeness, or accuracy of
such information.
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Physique et Quaternaire 45:301-316.
Ecology (Washington State Department of Ecology). 2011. Green River Temperature Total Maximum
Daily Load: Water Quality Improvement Report. Publication No. 11-10-046. Northwest Regional
Office, Water Quality Program, Washington State Department of Ecology, Bellevue, WA. June.
Hegewisch, K.C., J.T. Abatzoglou, 0. Chegwidden, and B. Nijssen. 2023. Climate Mapper web tool.
Climate Toolbox. https://climatetoolbox.org/. Accessed January 2023.
Lee, S.-Y., G.S. Mauger, and J.S. Won. 2018. Effect of Climate Change on Flooding in King County
Rivers Using New Regional Climate Model Simulations to Quantify Changes in Flood Risk. Report
prepared for King County. Climate Impacts Group, University of Washington, Seattle, WA.
King County DNR (Department of Natural Resources and Parks). 2O21.King County Surface Water
Design Manual. King County, Seattle, WA. July.
Mauger, G., and J. Won. 2019. Expanding the Ensemble of Precipitation Projections for King County.
University of Washington Climate Impacts Group, Seattle, WA.
Miller, J.F., R.H. Frederick, and R.J. Tracey. 1973. Precipitation -Frequency Atlas of the Western
United States: NOAA Atlas 2, Volume IX -Washington. United States Department of Commerce,
National Oceanic and Atmospheric Administration, National Weather Service. Silver Spring, MD.
Morgan, H., G.S. Mauger, and J.S. Won. 2021. Climate Change and Stormwater in Portland,
Gresham, and Clackamas County. Report prepared for the City of Portland, City of Gresham, and
Clackamas County by the Climate Impacts Group, University of Washington, Seattle, WA.
PSRC (Puget Sound Regional Council). 2020. Vision 2050: A Plan for the Central Puget Sound
Region. https://www.psrc.org/planning-2050/vision-2050.
Natural Resources Conservation Center (NRCS). June 1986. Urban Hydrology for Small Watershed,
Technical Release 55 (TR-55). United States Department of Agriculture, Natural Resources
Conservation Service, Conservation Engineering Division.
Pierce County. 2023. Pierce County Rivers Flood Hazard Management Plan, Adopted
February 19, 2013, Ordinance 2012-53s. Pierce County Public Works & Utilities Surface Water
Management.
Snover, A.K, G.S. Mauger, L.C. Whitely Binder, M. Krosby, and I. Tohver. 2013. Climate Change
Impacts and Adaptation in Washington State: Technical Summaries for Decision Makers. State of
Knowledge Report prepared for the Washington State Department of Ecology by the Climate
Impacts Group, University of Washington, Seattle, WA.
Troost, K.G., and D.B. Booth, D.B, 2008. Geology of Seattle and the Seattle Area, Washington. The
Geological Society of America, Reviews in Engineering Geology XX, 2008.
U.S. Army Corps of Engineers (USACE). October 2OO9a. Mud Mountain Dam: White and Puyallup
Rivers Channel Capacity Study. U.S. Army Corps of Engineers, Seattle District, Hydraulic
Engineering Section, Seattle, WA.
August 2024 1553-1931-052 11-1
Page 162 of 769
Draft Comprehensive Storm Drainage Plan Update
City of Auburn
USACE. 2OO9b. Project Management Plan for Wetland 5K Reach Mill Creek Restoration, Green
Duwamish Ecosystem Restoration Program. U.S. Army Corps of Engineers, Seattle District,
Seattle, WA.
WRCC (Western Regional Climate Center). 2O14a. "Climate of Washington."
http://www.wrcc.dri.edu/narratives/WASHINGTON.htm.
WRCC. 2O14b. "Period of Record Monthly Climate Summary for Seattle Tcoma Wscmo Ap,
Washington." http://www.wrcc.dri.edu/cgi-bin/cliMAIN.pl?waseat.
WRCC. 2O14c. Period of Record Monthly Climate Summary for Kent, Washington."
http://www.wrcc.dri.edu/cgi-bin/cliMAIN.pi?wakent.
August 2024 1 553-1931-052 11.2
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Appendix A
Western Washington Phase II
NPDES MS4 Permit
Issuance Date:
Effective Date:
Expiration Date
July 1, 2024
August 1, 2024
July 31, 2029
WESTERN WASHINGTON PHASE II MUNICIPAL
STORMWATER PERMIT
National Pollutant Discharge Elimination System and
State Waste Discharge General Permit for discharges from
Small Municipal Separate Storm Sewer Systems
In Western Washington
State of Washington
Department of Ecology
Olympia, WA 98504-7600
In compliance with the provisions of
The State of Washington Water Pollution Control Law
Chapter 90.48 Revised Code of Washington
and
The Federal Water Pollution Control Act
(The Clean Water Act)
Title 33 United States Code, Section 1251 etseq.
Until this Permit expires, is modified, or revoked, Permittees that have properly obtained
coverage under this Permit are authorized to discharge to waters of the State in accordance
with the special and general conditions which follow.
Vincent McGowan, P.E.
Water Quality Program Manager
Washington State Department of Ecology
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TABLE OF CONTENTSTABLE OF CONTENTS
S1.
PERMIT COVERAGE AREA AND PERM ITTEES..................................................................1
A. Geographic Area of Permit Coverage...........................................................................
1
B. Regulated Small Municipal Separate Storm Sewer Systems(MS4s)............................
1
C. Permit Waivers.............................................................................................................
3
D. Obtaining Coverage Under this Permit........................................................................
4
S2.
AUTHORIZED DISCHARGES............................................................................................
8
A. Stormwater Discharges................................................................................................
8
B. Non-Stormwater Discharges........................................................................................
8
C. Responsibilities and Liabilities......................................................................................
8
D. Compliance with State and Local Authorizations.........................................................
8
E. Indian Country..............................................................................................................
9
S3.
RESPONSIBILITIES OF PERMITTEES...............................................................................10
A. Compliance with Conditions......................................................................................
10
B. Reliance on Another Entity........................................................................................
10
S4.
COMPLIANCE WITH STANDARDS..................................................................................11
A. Prohibition of Discharge of Toxicants.........................................................................
11
B. Compliance with Standards.......................................................................................
11
C. MEP Standard.............................................................................................................
11
D. AKART Standard.........................................................................................................
11
E. Responsibilities of Permittees....................................................................................
11
F. Violations of Water Quality Standards and Adaptive Management ..........................
11
G. Revoke and Reissue Permit........................................................................................
14
S5.
STORMWATER MANAGEMENT PROGRAM FOR CITIES, TOWNS, AND COUNTIES ...........15
A. Stormwater Management Program General Requirements ......................................
15
B. Stormwater Management Program Standards..........................................................
17
C. Stormwater Management Program Components......................................................
17
1. Stormwater Planning............................................................................................
17
2. Public Education and Outreach............................................................................
20
3. Public Involvement and Participation..................................................................
23
4. MS4 Mapping and Documentation......................................................................
24
5. Illicit Discharge Detection and Elimination...........................................................
26
6. Controlling Runoff from New Development, Redevelopment, and Construction
Sites......................................................................................................................
32
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7. Stormwater Management for Existing Development ..........................................
35
8. Source Control Program for Existing Development .............................................
37
9. Operations and Maintenance..............................................................................
40
S6. STORMWATER MANAGEMENT PROGRAM FOR SECONDARY PERMITTEES .....................48
A. Secondary Permittees and New Secondary Permittees Coverage .............................
48
B. Coordination..............................................................................................................
49
C. Legal Authority...........................................................................................................
49
D. Stormwater Management Program for Secondary Permittees.................................
49
1. Public Education and Outreach............................................................................49
2. Public Involvement and Participation..................................................................
50
3. Illicit Discharge Detection and Elimination...........................................................
50
4. Construction Site Stormwater Runoff Control .....................................................
54
5. Post -Construction Stormwater Management for New Development and
Redevelopment....................................................................................................
55
6. Pollution Prevention and Good Housekeeping for Municipal Operations ...........
55
S7. COMPLIANCE WITH TOTAL MAXIMUM DAILY LOAD REQUIREMENTS ............................58
A. TMDL Specific Requirements.....................................................................................
58
S8. MONITORING AND ASSESSMENT.................................................................................58
A. Regional Status and Trends Monitoring.....................................................................
58
B. Stormwater Management Program (SWMP) Effectiveness and Source Identification
Studies........................................................................................................................
59
C. Stormwater Discharge Monitoring.............................................................................
60
D. Payments into the Stormwater Action Monitoring Collective Fund ..........................
61
S9. REPORTING & RECORDKEEPING REQUIREMENTS.........................................................62
A. Annual Report Submittal............................................................................................
62
B. Records Retention......................................................................................................
62
C. Records Available to the Public..................................................................................
62
D. Annual Report for Cities, Towns, and Counties..........................................................
62
E. Annual Report for Secondary Permittees...................................................................
63
GENERALCONDITIONS..................................................................................................................
64
DEFINITIONS AND ACRONYMS.....................................................................................................
73
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LIST OF APPENDICES
APPENDIX 1. Minimum Technical Requirements for New Development and Redevelopment
APPENDIX 2. Total Maximum Daily Load Requirements
APPENDIX 3. Annual Report Questions for Cities, Towns and Counties
APPENDIX 4. Annual Report Questions for Secondary Permittees
APPENDIX 5. Annual Report Questions for New Permittees
APPENDIX 6. Street Waste Disposal
APPENDIX 7. Determining Construction Site Damage Transport Potential
APPENDIX 8. Businesses and Activities that are Potential Sources of Pollutants
APPENDIX 9. Stormwater Discharge Monitoring
APPENDIX 10. Equivalent Programs for Runoff Controls for New Development,
Redevelopment, and Construction Sites
APPENDIX 11. Annual Contribution Amounts to Stormwater Action Monitoring Collective
Funds
APPENDIX 12. Stormwater Management for Existing Development Reporting
APPENDIX 13. IDDE Reporting Data and Format
APPENDIX 14. Stormwater Management Action Plan Requirements for New Permittees
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ADA ACCESSIBILITY
The Department of Ecology is committed to providing people with disabilities access to
information and services by meeting or exceeding the requirements of the Americans with
Disabilities Act (ADA), Section 504 and 508 of the Rehabilitation Act, and Washington State
Policy #188.
To request ADA Accommodation, contact Water Quality Reception at 360-407-6600. For
Washington Relay Service or TTY call 711 or 877-833-6341. Visit Ecology's accessibility
webpagel for more information.
For document translation services, call Water Quality Reception at 360-407-6600.
Para publicaciones en espanol, por favor (lame a la Reception de Calidad del Agua al 360-407-
6600.
' https://ecology.wa.gov/About-us/Accessibility-equity/Accessibility/
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S1.A Geographic Area of Permit Coverage
SPECIAL CONDITIONS
S1. PERMIT COVERAGE AREA AND PERMITTEES
A. Geographic Area of Permit Coverage
This Permit is applicable to owners or operators of regulated small Municipal
Separate Storm Sewer Systems (MS4s) located west of the eastern boundaries of the
following counties: Whatcom, Skagit, Snohomish, King, Pierce, Lewis, and Skamania.
1. For all cities required to obtain coverage under this Permit, the geographic area
of coverage is the entire incorporated area of the city.
For all counties required to have coverage under this Permit, the geographic area
of coverage is the urban areas and urban growth areas associated with
permitted cities under the jurisdictional control of the county. The geographic
area of coverage also includes any urban growth area contiguous to permitted
urban areas under the jurisdictional control of the county.
3. For Whatcom County, the geographic area of coverage also includes the
unincorporated Birch Bay urban growth area.
For Thurston County, the geographic area of coverage also includes the
unincorporated Yelm urban growth area.
4. For Secondary Permittees required to obtain coverage under this Permit, the
minimum geographic area of coverage is all areas identified under S1.A.1 and
S1.A.2. At the time of Permit coverage, the Washington State Department of
Ecology (Ecology) may establish a geographic area of coverage specific to an
individual Secondary Permittee.
5. All regulated small MS4s owned or operated by the Permittees named in
S1.D.2.a(i), and (ii), and S1.D.2.b and located in another city or county area
requiring coverage under this Permit, or the Phase 1 Municipal Stormwater
Permit or the Eastern Washington Phase 11 Municipal Stormwater Permit, are
also covered under this Permit.
B. Regulated Small Municipal Separate Storm Sewer Systems (MS4s)
All operators of regulated small MS4s are required to apply for and obtain coverage
under this Permit or be permitted under a separate individual permit, unless waived
or exempted in accordance with Section S1.C.
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S1.B Regulated Small Municipal Separate Storm Sewer Systems (MS4s)
1. A regulated small MS4:
a. Is a "Small MS4" as defined in the Definitions and Acronyms section at the
end of this Permit; and
b. Is located within, or partially located within, an urban area as defined by the
latest decennial census conducted by the U.S. Census Bureau, or designated
by Ecology pursuant to 40 CFR 123.35(b) or 40 CFR 122.26(f); and
c. Discharges stormwater from the MS4 to a surface water of Washington
State; and
d. Is not eligible for a waiver or exemption under S1.C, below.
2. All other operators of MS4s, including special purpose districts, which meet the
criteria for a regulated small MS4 shall obtain coverage under this Permit. Other
operators of small MS4s may include, but are not limited to: flood control, or
diking and drainage districts; schools, including universities; and correctional
facilities that own or operate a small MS4 serving non-agricultural land uses.
3. Any other operators of small MS4s may be required by Ecology to obtain
coverage under this Permit or an alternative NPDES permit if Ecology determines
the small MS4 is a significant source of pollution to surface waters of the State.
Notification of Ecology's determination that permit coverage is required will be
through the issuance of an Administrative Order issued in accordance with
Chapter 90.48 RCW.
4. The owner or operator of a regulated small MS4 may obtain coverage under this
Permit as a Permittee, Co-Permittee, or Secondary Permittee as defined in
S1.D.1, below.
5. Pursuant to 40 CFR 122.26(f), any person or organization may petition Ecology to
require that additional small MS4s obtain coverage under this Permit. The
process for petitioning Ecology is:
a. The person or organization shall submit a complete petition in writing to
Ecology. A complete petition shall address each of the relevant factors for
petitions outlined on Ecology's website.
b. In making its determination on the petition, Ecology may request additional
information from either the petitioner or the entity that is the subject of the
petition.
c. Ecology will make a final determination on a complete petition within 180
days of receipt of the petition and inform both the petitioner and the MS4 of
the decision, in writing.
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?.� Permit Waivers
d. If Ecology's final determination is that the candidate M54 will be regulated,
Ecology will issue an order to the operator of the MS4 requiring them to
obtain coverage under this Permit. The order will specify:
L The geographic area of permit coverage for the MS4.
ii. Any modified dates or deadlines for developing and implementing this
Permit, as appropriate to the MS4, and for submitting their first annual
report.
iii. A deadline for the operator of the MS4 to submit a complete Notice of
Intent (NO1, provided on Ecology's website) to Ecology.
C. Permit Waivers
Owners and operators of an otherwise regulated small MS4 are not required to
obtain coverage under this Permit if:
1. The small MS4 is operated by:
a. A federal entity, including any department, agency, or instrumentality of the
executive, legislative, and judicial branches of the Federal government of the
United States.
b. Federally recognized Indian Tribes located within Indian Country, including all
trust or restricted lands within the 1873 Survey Area of the Puyallup Tribe of
Indians.
c. The Washington State Department of Transportation.
ron
2. The portions of the small MS4 located within the census defined urban area(s)
serve a total population of less than 1000 people and a, b, and c, below all apply:
a. The small MS4 is not contributing substantially to the pollutant loadings of a
physically interconnected MS4 that is regulated by the NPDES stormwater
program.
b. The discharge of pollutants from the small MS4 has not been identified as a
cause of impairment of any water body to which the MS4 discharges.
c. In areas where an EPA approved TMDL has been completed, stormwater
controls on the MS4 have not been identified as necessary to meet
wasteload allocations established in the TMDL that address the pollutant(s)
of concern.
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51,1)
Obtaining Coverage Under this Permit
In determining the total population served, both resident and commuter
populations shall be included. For example:
• For publicly operated school complexes including universities and colleges,
the total population served would include the sum of the average annual
student enrollment plus staff.
• For flood control, diking, and drainage districts, the total population
served would include residential population and any non-residents
regularly employed in the areas served by the small MS4.
D. Obtaining Coverage Under this Permit
All operators of regulated small MS4s are required to apply for and obtain coverage
in accordance with this Section, unless waived or exempted in accordance with
Section S1.C.
1. Unless otherwise noted, the term "Permittee" shall include a city, town, or
county Permittee, New Permittee, Co-Permittee, Secondary Permittee, and New
Secondary Permittee as defined below:
a. "Permittee" is a city, town, or county owning or operating a regulated small
MS4 applying and receiving a permit as a single entity.
b. "New Permittee" is a city, town, or county that is subject to the Western
Washington Phase 11 Municipal Stormwater General Permit and was not
subject to the Permit prior to August 1, 2024.
c. "Co-Permittee" is any owner or operator of a regulated small MS4 that is
applying in a cooperative agreement with at least one other applicant for
coverage under this Permit. Co-Permittees own or operate a regulated small
MS4 located within or in proximity to another regulated small MS4.
d. A "Secondary Permittee" is an operator of a regulated small MS4 that is not a
city, town, or county. Secondary Permittees include special purpose districts
and other MS4s that meet the criteria for a regulated small MS4 in S1.6,
above.
e. "New Secondary Permittee" is a Secondary Permittee that is covered under a
Municipal Stormwater General Permit and was not covered by the Permit
prior to August 1, 2024.
Operators of regulated small MS4s have submitted, or shall submit, to Ecology
either a Notice of Intent (NOI) for Coverage under National Pollutant Discharge
Elimination System (NPDES) Municipal Stormwater General Permit or a Duty to
Reapply - NOI provided on Ecology's Water Quality Permitting Portal
(WQWebPortal).
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S 2. D Obtaining Coverage Under this Permit
a. The following Permittees and Secondary Permittees submitted a Duty to
Reapply - NOI to Ecology prior to February 1, 2024:
i. Cities and towns: Aberdeen, Algona, Anacortes, Arlington, Auburn,
Bainbridge Island, Battle Ground, Bellevue, Bellingham, Black Diamond,
Bonney Lake, Bothell, Bremerton, Brier, Buckley, Burien, Burlington,
Camas, Centralia, Clyde Hill, Covington, Des Moines, DuPont, Duvall,
Edgewood, Edmonds, Enumclaw, Everett, Federal Way, Ferndale, Fife,
Fircrest, Gig Harbor, Granite Falls, Issaquah, Kelso, Kenmore, Kent,
Kirkland, Lacey, Lake Forest Park, Lake Stevens, Lakewood, Longview,
Lynden, Lynnwood, Maple Valley, Marysville, Medina, Mercer Island, Mill
Creek, Milton, Monroe, Mountlake Terrace, Mount Vernon, Mukilteo,
Newcastle, Normandy Park, Oak Harbor, Olympia, Orting, Pacific, Port
Orchard, Port Angeles, Poulsbo, Puyallup, Redmond, Renton,
Sammamish, SeaTac, Sedro-Woolley, Shelton, Shoreline, Snohomish,
Snoqualmie, Steilacoom, Sumner, Tukwila, Tumwater, University Place,
Vancouver, Washougal, and Woodinville.
Counties: Cowlitz, Kitsap, Thurston, Skagit, and Whatcom.
iii. Secondary Permittees: Bainbridge Island School District #303, Bellingham
School District, Bellingham Technical College, Cascadia College, Central
Kitsap School District, Centralia College, Clark College, Consolidated
Diking Improvement District #1 of Cowlitz County, Edmonds Community
College, Evergreen College, Highline Community College, Kelso School
District, Kent School District, Longview School District, Lower Columbia
College, Port of Anacortes, Port of Bellingham, Port of Everett, Port of
Olympia, Port of Skagit County, Port of Vancouver, Skagit Valley College,
University of Washington Bothell, Washington State University
Vancouver, Washington State Department of Enterprise Services (Capitol
Campus), Washington Department of Corrections (Larch Corrections
Center, Monroe Correctional Complex, Washington Corrections Center
for Women, and Washington State Penitentiary), Western Washington
University, and Whatcom Community College.
b. Operators of regulated small MS4s have submitted or shall submit to Ecology
a "Notice of Intent (NOI) for Coverage under National Pollutant Discharge
Elimination System (NPDES) Municipal Stormwater General Permit" provided
on Ecology's website before the effective date of this Permit, with the
following exceptions:
i. Operators of regulated small MS4s located in the Cities of Ridgefield and
Yelm, and Sound Transit shall submit a NOI, or application, to Ecology no
later than 30 days after the effective date of this Permit.
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51.D
Obtaining Coverage Under this Permit
ii. Operators of regulated small MS4s listed in S1.D.2.a do not need to
submit a new application to be covered under this Permit.
c. For operators of regulated small MS4s listed in S1.D.2.a, coverage under this
Permit is automatic and begins on the effective date of this Permit, unless
the operator chooses to opt out of this General Permit. Any operator of a
regulated small MS4 that is opting out of this Permit shall submit an
application for an individual MS4 permit in accordance with 40 CFR
122.33(b)(2)(ii) no later than the effective date of this Permit.
d. Operators of regulated small MS4s which want to be covered under this
Permit as Co-Permittees shall each submit a NO1 to Ecology.
e. Operators of regulated small MS4s which are relying on another entity to
satisfy all of their permit obligations shall submit a NO1 to Ecology.
f. Operators of small MS4s designated by Ecology pursuant to 51.13.3 of this
Permit shall submit a NOI to Ecology within 120 days of receiving notification
from Ecology that permit coverage is required.
3. Application Requirements
a. For NOls submitted after the issuance date of this Permit, the applicant shall
include a certification that the public notification requirements of WAC 173-
226-130(5) have been satisfied. Ecology will notify applicants in writing of
their status concerning coverage under this Permit within 90 days of
Ecology's receipt of a complete NO1.
b. Each Permittee applying as a Co-Permittee shall submit a NOI provided on
Ecology's website. The NO1 shall clearly identify the areas of the MS4 for
which the Co-Permittee is responsible.
c. Permittees relying on another entity or entities to satisfy one or more of
their permit obligations shall notify Ecology in writing. The notification shall
include a summary of the permit obligations that will be carried out by
another entity. The summary shall identify the other entity or entities and
shall be signed by the other entity or entities. During the term of the Permit,
Permittees may terminate or amend shared responsibility arrangements by
notifying Ecology, provided this does not alter implementation deadlines.
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SI D Obtaining Coverage Under this Permit
d. Secondary Permittees required to obtain coverage under this Permit, and the
Phase I Municipal Stormwater Permit or the Eastern Washington Phase 11
Municipal Stormwater Permit, may obtain coverage by submitting a single
NO1.
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S2.A
Stormwater Discharges
S2. AUTHORIZED DISCHARGES
A. Stormwater Discharges
This Permit authorizes the discharge of stormwater to surface waters and to
groundwaters of the State from MS4s owned or operated by each Permittee
covered under this Permit, in the geographic area covered pursuant to S1.A. These
discharges are subject to the following limitations:
1. Discharges to groundwaters of the State through facilities regulated under the
Underground Injection Control (UIC) program, Chapter 173-218 WAC, are not
authorized under this Permit.
2. Discharges to groundwaters not subject to regulation under the federal Clean
Water Act are authorized in this Permit only under state authorities, Chapter
90.48 RCW, the Water Pollution Control Act.
B. Non-Stormwater Discharges
This Permit authorizes discharges of non-stormwater flows to surface waters and to
groundwaters of the State from MS4s owned or operated by each Permittee
covered under this Permit, in the geographic area covered pursuant to S1.A, only
under one or more of the following conditions:
1. The discharge is authorized by a separate NPDES or State Waste Discharge
permit.
2. The discharge is from emergency firefighting activities. See Special Conditions
S5.C.5, S6.D.3 to address non-Stormwater discharges (e.g., discharges associated
with cleanup after the emergency).
3. The discharge is from another illicit or non-Stormwater discharge that is
managed by the Permittee as provided in Special Condition S5.C.5 or S6.D.3.
These discharges are also subject to the limitations in S2.A.1 and S2.A.2, above.
C. Responsibilities and Liabilities
This Permit does not relieve entities that cause illicit discharges, including spills of oil
or hazardous substances, from responsibilities and liabilities under state and federal
laws and regulations pertaining to those discharges.
D. Compliance with State and Local Authorizations
Discharges from MS4s constructed after the effective date of this Permit shall
receive all applicable state and local permits and use authorizations, including
compliance with Chapter 43.21C RCW (the State Environmental Policy Act).
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Indian Country
E. Indian Country
This Permit does not authorize discharges of stormwater to waters within Indian
Country as defined in 18 U.S.C. §1151, or to waters subject to water quality
standards of Indian Tribes, including portions of the Puyallup River and other waters
on trust or restricted lands within the 1873 Survey Area of the Puyallup Tribe of
Indians Reservation, except where authority has been specifically delegated to
Ecology by the U.S. Environmental Protection Agency. The exclusion of such
discharges from this Permit does not waive any rights the State may have with
respect to the regulation of the discharges. Indian Country includes:
1. All land within any Indian Reservation notwithstanding the issuance of any
patent and including rights -of -way running through the reservation. This includes
all federal, tribal, and Indian and non -Indian privately owned land within the
reservation.
2. All off -reservation Indian allotments, the Indian titles to which have not been
extinguished, including rights -of -way running through the same.
3. All off -reservation federal trust lands held for Native American Tribes.
Puyallup Exception: Following the "Puyallup Tribes of Indians Land Settlement
Act of 1989," 25 USC §1773; the permit does apply to land within the Puyallup
Reservation except for discharges to surface water on land held in trust by the
federal government.
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S3.A
S3.
Compliance with Conditions
RESPONSIBILITIES OF PERMITTEES
A. Compliance with Conditions
Each Permittee covered under this Permit is responsible for compliance with the
terms of this Permit for the regulated small MS4s that they own or operate.
Compliance with (1) or (2) below is required as applicable to each Permittee,
whether the Permittee has applied for coverage as a Permittee, Co-Permittee, or
Secondary Permittee.
1. All city, town, and county Permittees are required to comply with all conditions
of this Permit, including any appendices referenced therein, except for Special
Condition S6 - Stormwater Management Program for Secondary Permittees.
2. All Secondary Permittees are required to comply with all conditions of this
Permit, including any appendices referenced therein, except for Section S5 -
Stormwater Management Program for Cities, Towns, and Counties and S8 -
Monitoring and Assessment.
B. Reliance on Another Entity
Permittees may rely on another entity to satisfy one or more of the requirements of
this Permit. Permittees that are relying on another entity to satisfy one or more of
their permit obligations remain responsible for permit compliance if the other entity
fails to implement permit conditions. Permittees may rely on another entity
provided all the requirements of 40 CFR 122.35(a) are satisfied including, but not
limited to:
1. The other entity, in fact, implements the Permit requirements.
2. The other entity agrees to take on responsibility for implementation of the
Permit requirement(s) on the Permittee's behalf. This shall be indicated on the
N01 or Annual Report.
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S4.A
S4
Prohibition of Discharge of Toxicants
COMPLIANCE WITH STANDARDS
A. Prohibition of Discharge of Toxicants
In accordance with RCW 90.48.520, the discharge of toxicants to waters of the State
of Washington which would violate any water quality standard, including toxicant
standards, sediment criteria, and dilution zone criteria is prohibited. The required
response to such discharges is defined in Section S4.F, below.
B. Compliance with Standards
This Permit does not authorize a discharge which would be a violation of
Washington State Surface Water Quality Standards (Chapter 173-201A WAC),
Groundwater Quality Standards (Chapter 173-200 WAC), Sediment Management
Standards (Chapter 173-204 WAC), or human health -based criteria in the National
Toxics Rule (40 CFR 131.45). The required response to such discharges is defined in
Section S4.F, below.
C. MEP Standard
The Permittee shall reduce the discharge of pollutants to the Maximum Extent
Practicable (MEP).
D. AKART Standard
The Permittee shall use All Known, Available, and Reasonable methods of
prevention, control, and Treatment (AKART) to prevent and control pollution of
waters of the State of Washington.
E. Responsibilities of Permittees
In order to meet the goals of the Clean Water Act, and comply with S4.A, 54.6, S4.C,
and S4.D, each Permittee shall comply with all of the applicable requirements of this
Permit as identified in S3 — Responsibilities of Permittees.
F. Violations of Water Quality Standards and Adaptive Management
A Permittee remains in compliance with S4 despite any discharges prohibited by
S4.A or S4.13, when the Permittee undertakes the following response toward long-
term water quality improvement:
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�"i.! Violations of Water Quality Standards and Adaptive Management
1. A Permittee shall notify Ecology in writing within 30 days of becoming aware,
based on credible site -specific information that a discharge from the MS4 owned
or operated by the Permittee is causing or contributing to a known or likely
violation of Water Quality Standards in the receiving water. Written notification
provided under this subsection shall, at a minimum, identify the source of the
site -specific information, describe the nature and extent of the known or likely
violation in the receiving water, and explain the reasons why the MS4 discharge
is believed to be causing or contributing to the problem. For ongoing or
continuing violations, a single written notification to Ecology will fulfill this
requirement.
2. In the event that Ecology determines, based on a notification provided under
S4.F.1 or through any other means, that a discharge from an MS4 owned or
operated by the Permittee is causing or contributing to a violation of Water
Quality Standards in a receiving water, Ecology will notify the Permittee in
writing that an adaptive management response, outlined in S4.F.3, below, is
required, unless:
a. Ecology also determines that the violation of Water Quality Standards is
already being addressed by a Total Maximum Daily Load (TMDL) or other
enforceable water quality cleanup plan; or
b. Ecology concludes the MS4 contribution to the violation will be eliminated
through implementation of other permit requirements.
3. Adaptive Management Response
a. Within 60 days of receiving a notification under S4.F.2, or by an alternative
date established by Ecology, the Permittee shall review its Stormwater
Management Program (SWMP) and submit a report to Ecology. The report
shall include:
i. A description of the operational and/or structural BMPs that are
currently being implemented to prevent or reduce any pollutants that are
causing or contributing to the violation of Water Quality Standards,
including a qualitative assessment of the effectiveness of each Best
Management Practice (BMP).
ii. A description of potential additional operational and/or structural BMPs
that will or may be implemented in order to apply AKART on a site -
specific basis to prevent or reduce any pollutants that are causing or
contributing to the violation of Water Quality Standards.
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S4.F Violations of Water Quality Standards and Adoptive Management
iii. A description of the potential monitoring or other assessment and
evaluation efforts that will or may be implemented to monitor, assess, or
evaluate the effectiveness of the additional BMPs.
iv. A schedule for implementing the additional BMPs including, as
appropriate: funding, training, purchasing, construction, monitoring, and
other assessment and evaluation components of implementation.
b. Ecology will, in writing, acknowledge receipt of the report within a
reasonable time and notify the Permittee when it expects to complete its
review of the report. Ecology will either approve the additional BMPs and
implementation schedule or require the Permittee to modify the report as
needed to meet AKART on a site -specific basis. If modifications are required,
Ecology will specify a reasonable time frame in which the Permittee shall
submit, and Ecology will review the revised report.
c. The Permittee shall implement the additional BMPs, pursuant to the
schedule approved by Ecology, beginning immediately upon receipt of
written notification of approval.
d. The Permittee shall include with each subsequent annual report a summary
of the status of implementation and the results of any monitoring,
assessment or evaluation efforts conducted during the reporting period. If,
based on the information provided under this subsection, Ecology
determines that modification of the BMPs or implementation schedule is
necessary to meet AKART on a site -specific basis, the Permittee shall make
such modifications as Ecology directs. In the event there are ongoing
violations of water quality standards despite the implementation of the BMP
approach of this Section, the Permittee may be subject to compliance
schedules to eliminate the violation under WAC 173-201A-510(4) and WAC
173-226-180 or other enforcement orders as Ecology deems appropriate
during the term of this Permit.
e. A TMDL or other enforceable water quality cleanup plan that has been
approved and is being implemented to address the MS4's contribution to the
Water Quality Standards violation supersedes and terminates the S4.F.3
implementation plan.
f. Provided the Permittee is implementing the approved adaptive management
response under this Section, the Permittee remains in compliance with
Special Condition S4, despite any on -going violations of Water Quality
Standards identified under S4.A or B, above.
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Revoke and Reissue Permit
g. The adaptive management process provided under Section S4.F is not
intended to create a shield for the Permittee from any liability it may face
under 42 U.S.C. 9601 et seq. or Chapter 70.105D RCW.
G. Revoke and Reissue Permit
Ecology may modify or revoke and reissue this General Permit in accordance with
G14 — General Permit Modification and Revocation, if Ecology becomes aware of
additional control measures, management practices, or other actions beyond what is
required in this Permit that are necessary to:
1. Reduce the discharge of pollutants to the MEP;
2. Comply with the state AKART requirements; or
3. Control the discharge of toxicants to waters of the State of Washington.
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S5.A.1 Stormwater Management Program General Requirements
S5. STORMWATER MANAGEMENT PROGRAM FOR CITIES, TOWNS, AND
COUNTIES
A. Stormwater Management Program General Requirements
Each Permittee shall develop and implement a Stormwater Management Program
(SWMP). A SWMP is a set of actions and activities comprising the components listed
in S5 and any additional actions necessary to meet the requirements of applicable
TMDLs pursuant to S7 — Compliance with Total Maximum Daily Load Requirements
and S8 — Monitoring and Assessment. This Section applies to all cities, towns, and
counties covered under this Permit (termed as "Permittee," including cities, towns,
and counties that are Co-Permittees).
New Permittees subject to this Permit, as described in S1.D.1.b, shall fully meet the
requirements in S5 as modified in footnotes below or as specified in an alternate
schedule as a condition of coverage by Ecology. Permittees obtaining coverage after
the issuance date of this Permit shall fully meet the requirements in S5 as specified
in an alternate schedule as a condition of coverage by Ecology.
1. At a minimum, the Permittee's SWMP shall be implemented throughout the
geographic area subject to this Permit as described in S1.A.2
2. Each Permittee shall prepare written documentation of the SWMP, called the
SWMP Plan. The SWMP Plan shall be organized according to the program
components in SS.C, or a format approved by Ecology and shall be updated at
least annually for submittal with the Permittee's annual reports to Ecology (see
S9 — Reporting Requirements). The SWMP Plan shall be written to inform the
public of the planned SWMP activities for the upcoming calendar year, and shall
include a description of:
a. Planned activities for each of the program components included in SS.C.
b. Any additional planned actions to meet the requirements of applicable
TMDLs pursuant to S7— Compliance with Total Maximum Daily Load
Requirements.
c. Any additional planned actions to meet the requirements of S8 — Monitoring
and Assessment.
3. The SWMP shall include an ongoing program for gathering, tracking, maintaining,
and using information to evaluate SWMP development, implementation, and
permit compliance and to set priorities.
z New Permittees shall fully develop and implement the SWMP in accordance with the schedules contained in this
Section no later than March 31, 2029.
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S5.11.1 Stormwater Management Program General Requirements
a. Each Permittee shall track the cost or estimated cost of development and
implementation of each component of the SWMP and sources of funding.
This information shall be provided with each Annual Report, no later than
March 31, Ztt27, Permittees shall provide annual average costs (or estimates)
to implement the SWMP and TMDL requirements.3
b. Each Permittee shall track the number of inspections, follow-up actions
because of inspections, official enforcement actions, and types of public
education activities as required by the respective program component. This
information shall be included in the annual report.
4. Permittees shall continue implementation of existing stormwater management
programs until they begin implementation of the updated stormwater
management program in accordance with the terms of this Permit, including
implementation schedules.
5. Coordination among Permittees
a. Coordination among entities covered under municipal stormwater NPDES
permits may be necessary to comply with certain conditions of the SWMP.
The SWMP shall include, when needed, coordination mechanisms among
entities covered under a municipal stormwater NPDES permit to encourage
coordinated stormwater-related policies, programs, and projects within
adjoining or shared areas, including:
i. Coordination mechanisms clarifying roles and responsibilities for the
control of pollutants between physically interconnected MS4s covered by
a Municipal Stormwater Permit.
ii. Coordinating stormwater management activities for shared water bodies,
or watersheds among Permittees to avoid conflicting plans, policies, and
regulations.
b. The SWMP shall include coordination mechanisms among departments
within each jurisdiction to eliminate barriers to compliance with the terms of
this Permit. Permittees shall include a written description of internal
coordination mechanisms ?r the Annual Report due no later than March 31,
2026.
3 New Permittees shall begin cost tracking as required in s5.A.3.a, no later than January 1, 2026.
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Stormwater Management Program Standards
B. Stormwater Management Program Standards
The SWMP shall be designed to reduce the discharge of pollutants from regulated
small MS4s to the MEP, meet state AKART requirements, and protect water quality.
C. Stormwater Management Program Components
The SWMP shall include the components listed below. To the extent allowable under
state or federal law, all components are mandatory for city, town, or county
Permittees covered under this Permit.
1. Stormwater Planning
Each Permittee shall implement a Stormwater Planning program to inform and
assist in the development of policies and strategies as water quality
management tools to protect receiving waters.
The minimum performance measures are:
a. Each Permittee shall continue to convene an inter -disciplinary team to
inform and assist in the development, progress, and influence of this
program.¢
b. Coordination with long-range plan updates.
i. Each Permittee shall describe how stormwater management needs and
protection/improvement of receiving water health are (or are not)
informing the long-range or comprehensive planning update processes
and influencing policies and implementation strategies in their
jurisdiction in the Annual Report, due March 31, 2027. The Annual Report
shall describe the water quality and watershed protection policies,
strategies, codes, and other measures intended to protect and improve
local receiving water health through planning, considering stormwater
management needs or limitations.
c. Low Impact Development (LID) code -related requirements.
i. Permittees shall continue to require LID Principles and LID BMPs when
updating, revising, and developing new local development -related codes,
rules, standards, or other enforceable documents, as needed.
The intent shall be to make LID the preferred and commonly used
approach to site development. The local development -related codes,
rules, standards, or other enforceable documents shall be designed to
° New Permittees shall convene an interdisciplinary team no later than August 1, 2025.
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45.C. Stormwater Management Program Components
minimize impervious surfaces, native vegetation loss, and stormwater
runoff in all types of development situations, where feasible.
(a) Annually, each Permittee shall assess and document any newly
identified administrative or regulatory barriers to implementation of
LID Principles or LID BMPs since local codes were updated in
accordance with the 2013 Permit, and the measures developed to
address the barriers. If applicable, the report shall describe
mechanisms adopted to encourage or require implementation of LID
principles or LID BMPs.
ii. By December 31, 2028, New Permittees shall review, revise, and make
effective their local development -related codes, rules, standards, or
other enforceable documents to incorporate and require LID principles
and LID BMPs. New Permittees shall conduct a similar review and revision
process, and consider the range of issues, outlined in the following
document: Integrating LID into Local Codes: A Guidebook for Local
Governments (Puget Sound Partnership, 2012).
New Permittees shall submit a summary of the results of the review and
revision process with the annual report due no later than March 31,
2029. This summary shall be in the required format described in
Appendix 5 and include, at a minimum, a list of the participants (job title,
brief job description, and department represented), the codes, rules,
standards, and other enforceable documents reviewed, and the revisions
made to those documents which incorporate and require LID principles
and LID BMPs. The summary shall include existing requirements for LID
principles and LID BMPs in development -related codes. The summary
shall be organized as follows:
(a) Measures to minimize impervious surfaces;
(b) Measures to minimize loss of native vegetation; and
(c) Other measures to minimize stormwater runoff.
iii. No later than December 31, 2028, adopt and implement tree canopy
goals and policies to support stormwater management. Permittees shall
consider how existing or future tree canopy can support stormwater
management and water quality improvements in receiving waters.
Establish a long-term (e.g. 5, 10 year or longer) goal of canopy, existing or
future projection, to be used for stormwater management that is
appropriate to the jurisdiction. Specific considerations for canopy for
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5_ .0 ,' Stormwater Management Program Components
stormwater management on Permittee-owned or operated lands shall
include (but are not limited to):
(a) Maintaining or increasing canopy in overburdened communities.
(b) Maintaining existing mature canopy.
Document considerations, reasoning, and rationale for goals and policies.
d. Stormwater Management Action Planning (SMAP).s Permittees shall conduct
a similar process and consider the range of issues outlined in the Stormwater
Management Action Planning Guidance (Ecology, 2024; Publication no. 24-
10-027) for one new priority catchment or additional actions for an existing
SMAP.6 A purpose of the SMAP is to support implementation in the
Stormwater Management for Existing Development (SMED) Program with
the identification of strategic investments through the identification of
projects and actions.
i. Stormwater Management Action Plan (SMAP). No later than March 31,
2027, Permittees shall complete and submit a SMAP for at least one new
high priority catchment area, or additional actions for an existing SMAP,
that identifies all of the following:
(a) A description of the stormwater facility retrofits needed for the area,
including the BMP types and preferred locations. Include projects that
address transportation -related runoff from high traffic areas.
(b) Land management/development strategies and/or actions identified
for water quality management.
(c) Focused, enhanced, or customized implementation of stormwater
management actions related to Permit sections within S5, including:
• IDDE field screening;
• Prioritization of Source Control inspections;
• 0&M inspections or enhanced maintenance; or
• Public Education and Outreach behavior change programs.
Identified actions shall support other specifically identified
stormwater management strategies and actions for the basin overall,
or for the catchment area in particular.
s New Permittees are exempt from S5.C.1.d. for this Permit term.
e City of Shelton shall follow the SMAP requirements outlined in Appendix 14.
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SS.C. 2 Stormwater Management Program Components
(d) If applicable, identification of changes needed to local long-range
plans to address SMAP priorities.
(e) A proposed implementation schedule and budget sources for:
• Short-term actions (i.e., actions to be accomplished within six
years); and
• Long-term actions (i.e., actions to be accomplished within seven
to 20 years).
(f) Actions in the SMAP that may benefit overburdened communities,
including specifically vulnerable populations and highly impacted
Communities.
(g) A process and schedule to provide future assessment and feedback to
improve the planning process and implementation of procedures or
projects.
2. Public Education and Outreach
The SWMP shall include an education and outreach program designed to:
• Build general awareness about methods to address and reduce impacts
from stormwater runoff;
• Effect behavior change to reduce or eliminate behaviors and practices that
cause or contribute to adverse stormwater impacts; and
• Create stewardship opportunities that encourages community engagement
in addressing the impacts from stormwater runoff.
Permittees may choose to meet these requirements individually or as a member
of a regional group. Regional collaboration on general awareness or behavior
change programs, or both, includes Permittees developing a consistent message,
determining best methods for communicating the message, and when
appropriate, creating strategies to effect behavior change. If a Permittee chooses
to adopt one or more elements of a regional program, the Permittee should
participate in the regional group and shall implement the adopted element(s) of
the regional program in the local jurisdiction.
The minimum performance measures are:
a. Each Permittee shall implement an education and outreach program. The
program design shall be based on local or regional (or a combination of both)
water quality information and priority audience characteristics to identify
high priority audiences, subject areas, and/or BMPs. Based on the priority
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Stormwater Management Program Components
audience's demographic, the Permittee shall consider delivering its selected
messages in language(s) other than English, as appropriate to the priority
audience.'
General awareness. To build general awareness, Permittees shall
annually select, at a minimum, one priority audience and one subject
area from either (a) or (b):
(a) Priority audiences: General public (including overburdened
communities, school age children, college/university, or trade
students) or businesses (including home -based, or mobile
businesses). Subject areas:
• General impacts of stormwater on surface waters, including
impacts from impervious surfaces.
• Low impact development (LID) principles and LID BMPs.
(b) Priority audiences: Engineers, contractors, developers, property
owners/managers, or land use planners. Subject areas:
• Technical standards for stormwater site and erosion control
plans.
• LID principles and LID BMPs.
• Stormwater treatment and flow control BMPs/facilities.
• Source control BMPs for building materials to reduce pollution to
stormwater, including but not limited to stormwater pollution
from PCB -containing materials.
(c) Permittees shall provide subject area information to the priority
audience on an ongoing or strategic schedule.
ii. Behavior change. To affect behavior change, Permittees shall select, at a
minimum, one priority audience and one BMP.
(a) Priority Audiences: Residents, landscapers, property
managers/owners, developers, school age children,
college/university, trade students, or businesses (including home -
based or mobile businesses).
BMPs:
New Permittees shall begin implementing the requirements of S5.C.2.a no later than August 1, 2027.
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SS. C.7 Stormwater Management Program Components
• Use and storage of: pesticides, fertilizers, and/or other household
chemicals.
• Use and storage of: automotive chemicals, hazardous cleaning
supplies, carwash soaps, and/or other hazardous materials.
• Prevention of illicit discharges.
• Yard care techniques protective of water quality.
• Carpet cleaning.
• Repair and maintenance BMPs for: vehicles, equipment, and/or
home/buildings.
• Pet waste management and disposal.
• LID Principles and LID BMPs.
• Stormwater facility maintenance, including LID facilities.
• Dumpster and trash compactor maintenance.
• Litter and debris prevention.
• Sediment and erosion control.
• (Audience specific) Source control BMPs (refer to S5.C.8).
• (Audience specific) Locally important, municipal stormwater-
related subject area.
(b) Social marketing campaign development. Based on the
recommendation from 2024 evaluation and report, no later than July
1, 2025, each Permittee shall follow social marketing practices and
methods and develop a campaign that is tailored to the community,
including development of a program evaluation plan. Each Permittee
shall:8
1. Develop a strategy and schedule to implement the existing
campaign more effectively; or
2. Develop a strategy and schedule to expand the existing campaign
to a new priority audience or BMPs; or
8 No later than August 1, 202S, New Permittees shall follow social marketing practices and methods to develop a
behavior change program that is tailored to the community per S5.C.2.a.ii(b).
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S5.C.3 Stormwater Management Program Components
3. Develop a strategy and schedule for a new priority audience and
BMP behavior change campaign.
(c) Behavior change campaign implementation. No later than September
1, 2025, begin to implement the strategy developed in S5.C.2.a.ii.(b).9
(d) Behavior change campaign evaluation. No later than March 31, 2029,
evaluate and submit report on:
1. The changes in understanding and adoption of behaviors resulting
from the implementation of the strategy; and
2. Any planned or recommended changes to the campaign to be
more effective; describe the strategies and process to achieve the
results.
(e) Behavior change campaign adaptive management. Permittees shall
use results of the evaluation to continue to direct effective methods
and implementation of the ongoing behavior change program.
iii. Stewardship. Each Permittee shall provide, partner with, or promote
stewardship opportunities to encourage residents or businesses to
participate in activities or events planned and organized within the
community, such as: stream teams, storm drain marking, volunteer
monitoring, riparian plantings, and watershed habitat improvement.
Permittees may provide, partner with, or promote stewardship
opportunities created or organized by existing organizations (including
non-Permittees)."
3. Public Involvement and Participation
Permittees shall provide ongoing opportunities for public involvement and
participation through advisory councils, public hearings, watershed committees,
participation in developing rate -structures or other similar activities. Each
Permittee shall comply with applicable state and local public notice
requirements when developing elements of the SWMP and SMAP.
The minimum performance measures are:
a. Permittees shall create opportunities for the public, including overburdened
communities, to participate in the decision -making processes involving the
development, implementation, and update of the Permittee's SMAP and
9 No later than October 1, 2025, New Permittees shall begin to implement the strategy developed in S5.C.2.a.ii(b).
io New Permittees shall implement the stewardship requirements according to S5.C.2.a.iii no later than August 1,
2027.
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SS.C.4 Stormwater Management Program Components
SWMP.11 Permittees shall document specific outreach measures for
overburdened communities.
Annually, document specific public involvement and participation
opportunities provided to overburdened communities and specifically,
highly impacted communities.
ii. No later than December 31, 2026, document methods used to identify
overburdened communities.
b. Each Permittee shall post on their website their SWMP Plan and the Annual
Report, required under S9.A, no later than May 31 each year. All other
submittals shall be available to the public upon request.
4. MS4 Mapping and Documentation
The SWMP shall include an ongoing program for mapping and documenting the
MS4.12
The minimum performance measures are:
a. Ongoing Mapping: Each Permittee shall maintain mapping data for the
features listed below:
i. Known MS4 outfalls and known MS4 discharge points.
(a) Map outfall size and material, where known.
ii. Receiving waters, other than groundwater.
iii. Stormwater treatment and flow control BMPs/facilities owned or
operated by the Permittee.
iv. Geographic areas served by the Permittee's MS4 that do not discharge
stormwater to surface waters.
v. Tributary conveyances to all known outfalls and discharge points with a
24-inch nominal diameter or larger, or an equivalent cross -sectional area
for non -pipe systems. The following features or attributes (or both) shall
be mapped:
(a) Tributary conveyance type, material, and size where known.
(b) Associated drainage areas.
11New Permittees shall develop and begin to implement requirements according to S5.C.3.a no later than August 1,
2025. New Permittees are exempt from SMAP this permit term.
12New Permittees shall meet the requirements to map the MS4 according to S5.C.4 no later than March 31, 2029,
except where otherwise noted in this Section.
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Stormwater Management Program Components
(c) Land use.
vi. Connections between the MS4 owned or operated by the Permittee and
other municipalities or public entities.
vii. All connections to the MS4 authorized or allowed by the Permittee after
February 16, 2007. 13,14
viii. All known connections from the MS4 to a privately owned stormwater
system.
b. New Mapping. Each Permittee shall:
No later than March 31, 2026, submit locations of all known MS4 outfalls
according to the standard templates and format provided in the Annual
Report. Report the size and material of the outfalls, where known.
ii. No later than December 31, 2026, using available, existing data, map tree
canopy to support stormwater management on Permittee-owned or
operated properties. Permittees shall develop and follow a methodology
to intentionally identify canopy for stormwater management purposes,
which may be updated annually or as needed.
iii. No later than March 31, 2028, implement a methodology to map and
assess acreage of MS4 tributary basins to outfalls with a 24-inch nominal
diameter or larger, or an equivalent cross -sectional area for non -pipe
systems that have stormwater treatment and flow control BMPs/facilities
owned or operated by the Permittee. Submit with the March 31, 2028
Annual Report a map(s) (.pdf) and table (.xlsx) with a breakdown of the
MS4 tributary basins quantifying estimated acres managed or
unmanaged by stormwater treatment and flow control BMPs/facilities
owned or operated by the Permittee.
iv. No later than December 31, 2028, using available, existing data map
overburdened communities in relation to stormwater treatment and flow
control BMPs/facilities, outfalls, discharge points, and tree canopy on
Permittee-owned or operated properties.
c. The required format for mapping is electronic (e.g. Geographic Information
System, CAD drawings, or other software that can map and store points,
13New Permittees shall meet the requirements of S5.C.4.a.vii after August 1, 2024, for all connections to the M54
authorized after August 1, 2024.
14Permittees do not need to map the following residential connections: individual driveways, sump pumps, or roof
downspouts.
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SS.C. S Stormwater Management Program Components
lines, polygons, and associated attributes), with fully described mapping
standards.
d. To the extent consistent with national security laws and directives, each
Permittee shall make available to Ecology, upon request, available maps
depicting the information required in S5.C.4.a through c, above.
e. Upon request, and to the extent appropriate, Permittees shall provide
mapping information to federally recognized Indian Tribes, municipalities,
and other Permittees. This Permit does not preclude Permittees from
recovering reasonable costs associated with fulfilling mapping information
requests by federally recognized Indian Tribes, municipalities, and other
Permittees.
5. Illicit Discharge Detection and Elimination
The SWMP shall include an ongoing program designed to prohibit, prevent,
detect, characterize, trace, and eliminate illicit connections and illicit discharges
into the MS4. is
The minimum performance measures are:
a. The program shall include procedures for reporting and correcting or
removing illicit connections, spills, and other illicit discharges when they are
suspected or identified. The program shall also include procedures for
addressing pollutants entering the MS4 from an interconnected, adjoining
MS4.
Illicit connections and illicit discharges shall be identified through, but not
limited to, field screening, inspections, complaints/reports, construction
inspections, maintenance inspections, source control inspections, and/or
monitoring information, as appropriate.
b. Permittees shall inform public employees, businesse , and the public of
hazards associated with illicit discharges and improper disposal of waste.
c. Each Permittee shall implement an ordinance or other regulatory mechanism
to effectively prohibit non-stormwater, illicit discharges into the Permittee's
MS4 to the maximum extent allowable under state and federal law. The
ordinance or other regulatory mechanism in effect as of the effective date of
this Permit shall be revised, if necessary, to meet the requirements of this
Section no later than July 1, 2027.
"New Permittees shall meet the requirements of S5.C.5 no later than August 1, 2026 except where otherwise
noted in this Section.
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Stormwater Management Program Components
Allowable Discharges: The regulatory mechanism does not need to
prohibit the following categories of non-stormwater discharges:
(a) Diverted stream flows
(b) Rising groundwaters
(c) Uncontaminated groundwater infiltration (as defined at 40 CFR
35.2005(b)(20))
(d) Uncontaminated pumped groundwater
(e) Foundation drains
(f) Air conditioning condensation
(g) Irrigation water from agricultural sources that is commingled with
urban stormwater
(h) Springs
(i) Uncontaminated water from crawl space pumps
0) Footing drains
(k) Flows from riparian habitats and wetlands
(1) Non-stormwater discharges authorized by another NPDES or State
Waste Discharge permit
(m) Non-stormwater discharges from emergency firefighting activities in
accordance with S2 Authorized Discharges
ii. Conditionally allowable discharges: The regulatory mechanism may allow
the following categories of non-stormwater discharges only if the stated
conditions are met:
(a) Discharges from potable water sources, including but not limited to
water line flushing, hyperchlorinated water line flushing, fire hydrant
system flushing, and pipeline hydrostatic test water. Planned
discharges shall be dechlorinated to a total residual chlorine
concentration of 0.1 ppm or less, pH -adjusted, if necessary, and
volumetrically and velocity controlled to prevent re -suspension of
sediments in the MS4.
(b) Discharges from lawn watering and other irrigation runoff, including
from reclaimed water sources. These discharges shall be minimized
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`_I. C. Stormwater Management Program Components
through, at a minimum, public education activities and water
conservation efforts.
(c) Discharges from swimming pools, spas, and hot tubs. The discharges
shall be dechlorinated/debrominated to a total residual
concentration of 0.1 ppm or less, free from sodium chloride, pH -
adjusted, and reoxygenated if necessary, volumetrically and velocity
controlled to prevent re -suspension of sediments in the MS4.
Discharges shall be thermally controlled to prevent an increase in
temperature of the receiving water. Swimming pool cleaning
wastewater and filter backwash shall not be discharged to the MS4.
(d) Street and sidewalk wash water and water used to control dust. The
Permittee shall reduce these discharges through, at a minimum,
public education activities and/or water conservation efforts. To
avoid washing pollutants into the MS4 Permittees shall minimize the
amount of street wash and dust control water used.
(e) Routine external building washdown that does not use detergents for
buildings built or renovated before 1950 and after 1980. These
discharges shall be reduced through, at minimum, public education
activities and water conservation efforts.
Commercial, industrial, and multi -story residential structures
constructed or renovated between the years 1950 and 1980 (i.e.
those most likely to have PCB -containing building materials), shall be
assessed for PCB -containing materials consistent with How to find
and address PCBs in building materials (Ecology, 2024, Publication No.
22-04-024) prior to routine building washdown to the MS4. Structures
confirmed or suspected to have PCB -containing materials shall not
discharge washdown to the MS4.
Single-family residential buildings are exempt from PCB assessment
prior to building washdown, for the purposes of this section.
Structures built or renovated between 1950-1980 and determined to
be without PCB -containing materials may conduct routine building
washdown (without detergents) as described above.
(f) Other non-stormwater discharges. The discharges shall be in
compliance with the requirements of a pollution prevention plan
reviewed by the Permittee which addresses control of such
discharges.
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iii. The Permittee shall further address any category of discharges in (i) or
(ii), above if the discharges are identified as significant sources of
pollutants to waters of the State.
iv. The ordinance or other regulatory mechanism shall include escalating
enforcement procedures and actions.
d. Each Permittee shall implement an ongoing program designed to detect and
identify non-stormwater discharges and illicit connections into the
Permittee's MS4.16 The program shall include the following components:
i. Procedures for conducting investigations of the Permittee's MS4,
including field screening and methods for identifying potential sources.
These procedures may also include source control inspections.
The Permittee shall implement a field screening methodology
appropriate to the characteristics of the MS4 and water quality concerns.
Screening for illicit connections may be conducted using Illicit Connection
and Illicit Discharge Field Screening and Source Tracing Guidance Manual
(Herrera Environmental Consultants, Inc.; May 2020), or another
methodology of comparable or improved effectiveness. The Permittee
shall document the field screening methodology in the Annual Report.
(a) All Permittees shall complete field screening for an average of 12% of
the MS4 each year.17
ii. A publicly listed and publicized hotline or other telephone number for
public reporting of spills and other illicit discharges.
iii. An ongoing training program for all municipal field staff who, as part of
their normal job responsibilities, might come into contact with or
otherwise observe an illicit discharge and/or illicit connection to the MS4,
on the identification of an illicit discharge and/or connection, and on the
proper procedures for reporting and responding to the illicit discharge
and/or connection. Follow-up training shall be provided, as needed, to
address changes in procedures, techniques, requirements, or staffing.
Permittees shall document and maintain records of the trainings
provided and the staff trained.18
16New Permittees shall fully implement the requirements of S5.C.5.d no later than August 1, 2028.
17New Permittees shall complete S5.C.5.d.i requirements for field screening covering at least 40% of the MS4
within the Permittee's coverage area no later than December 31, 2028, and on average 12% each year thereafter.
"New Permittees shall develop and begin implementing the ongoing training program described in S5.C.5.d.iii no later than
March 31, 2026.
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55.C.5 Stormwater Management Program Components
e. Each Permittee shall implement an ongoing program designed to address
illicit discharges, including spills and illicit connections, into the Permittee's
MS4.11 The program shall include:
i. Procedures for characterizing the nature of, and potential public or
environmental threat posed by, any illicit discharges found by or reported
to the Permittee. Procedures shall address the evaluation of whether the
discharge must be immediately contained and steps to be taken for
containment of the discharge.
ii. Procedures for the post -emergency clean-up of firefighting activities:
(a) No later than December 31, 2026, the Permittee shall coordinate with
firefighting agencies/departments that serve the areas that discharge
to the MS4 to be notified when PFAS-containing AFFFs are used
during emergency firefighting activities.
(b) No later than January 1, 2027, Permittee shall update and implement
procedures to minimize discharges to the MS4 during post -
emergency clean-up and disposal activities including, but not limited
to, the immediate clean-up in all situations where PFAS-containing
AFFFs have been used, diversions, and other measures that prevent
discharges to the MS4. The Permittee is not expected to deploy
control measures during an emergency.
iii. Procedures for tracing the source of an illicit discharge; including visual
inspections and, when necessary, opening manholes, using mobile
cameras, collecting and analyzing water samples, and/or other detailed
inspection procedures.
iv. Procedures for eliminating the discharge including notification of
appropriate authorities (including owners or operators of interconnected
MS4s), notification of the property owner, technical assistance, follow-up
inspections, and use of the compliance strategy developed pursuant to
S5.C.5.c.iv, including escalating enforcement and legal actions if the
discharge is not eliminated.
v. Compliance with the provisions in (i)-(iv) above shall be achieved by
meeting the following timelines:
19New Permittees shall fully develop and implement the requirements of S5.C.5.e no later than August 1, 2028.
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(a) Immediately respond to all illicit discharges, including spills, which are
determined to constitute a threat to human health, welfare, or the
environment, consistent with General Condition G3.
(b) Investigate (or refer to the appropriate agency with the authority to
act) within 7 days, on average, any complaints, reports, or monitoring
information that indicates a potential illicit discharge.
(c) Initiate an investigation within 21 days of any report or discovery of a
suspected illicit connection to determine the source of the
connection, the nature and volume of discharge through the
connection, and the party responsible for the connection.
(d) Upon confirmation of an illicit connection, use the compliance
strategy in a documented effort to eliminate the illicit connection
within 6 months. All known illicit connections to the MS4 shall be
eliminated.
f. Permittees shall train staff who are responsible for identification,
investigation, termination, cleanup, and reporting of illicit discharges,
including spills, and illicit connections, to conduct these activities. Follow-up
training shall be provided as needed to address changes in procedures,
techniques, requirements, or staffing. Permittees shall document and
maintain records of the training provided and the staff trained.20
g. Recordkeeping: Each Permittee shall track and maintain records of the
activities conducted to meet the requirements of this Section. In the Annual
Report, each Permittee shall submit data for the illicit discharges, spills, and
illicit connections including those that were found by, reported to, or
investigated by the Permittee during the previous calendar year. The data
shall include the information and format specified in Appendix. '13 and
WQWebIDDE. Each Permittee may either use their own system or
WQWebIDDE for recording this data.
20New Permittees shall meet the requirements of S5.C.5.f no later than March 31, 2026.
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6. Controlling Runoff from New Development, Redevelopment, and Construction
Sites
Each Permittee shall implement and enforce a program to reduce pollutants in
Stormwater runoff to a regulated small MS4 from new development,
redevelopment, and construction site activities. The program shall apply to
private and public development, including transportation projects."
The minimum performance measures are:
a. Implement an ordinance or other enforceable mechanism that addresses
runoff from new development, redevelopment, and construction site
projects.
No later than June 30, 2027, each Permittee shall adopt and make effective a
local program, that meets the requirements of S5.C.6.b(i) through (iii), below,
and shall apply to all applicationS22 submitted:
i. On or after July 1, 2027.
ii. Prior to January 1, 2017, that have not started construction21 by July 1,
2022.24
iii. Prior to July 1, 2022, that have not started construction by July 1, 2027.
iv. Prior to July 1, 2027, that have not started construction by July 1, 2032.
b. The ordinance or other enforceable mechanism shall include, at a minimum:
The Minimum Requirements, thresholds, and definitions in Appendix 1,
or the 2019 Appendix 1 amended to include the changes identified in
Appendix 10, or Phase I program approved by Ecology and amended to
include Appendix 10, for new development, redevelopment, and
construction sites. Adjustment and exceptions criteria equivalent to
those in Appendix 1 shall be included. More stringent requirements may
"For continuing Permittees, this means continuing to implement existing programs developed under previous permits until
updates are made to meet the schedules defined. New Permittees shall meet the requirements of S5.C.6 no later than June
30, 2027, except where otherwise specified in this Section.
221n this context, "application" means, at a minimum a complete project description, site plan, and, if applicable, SEPA
checklist. Permittees may establish additional elements of a completed application.
"In this context "started construction" means the site work associated with, and directly related to the approved
project has begun. For example: grading the project site to final grade or utility installation. Simply clearing the
project site does not constitute the start of construction. Permittees may establish additional requirements related
to the start of construction.
24For Lynden, Snoqualmie S5.C.6.a.ii is replaced with these dates: Prior to January 1, 2018, that have not started
construction by January 1, 2023. For Aberdeen S5.C.6.a.ii is replaced with these dates: Prior to July 1, 2018, that
have not started construction by June 30, 2023. Shelton S5.C.6.a.ii and iii is replaced with these dates: Prior to
January 1, 2023, which have not started construction by January 1, 2028.
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.C.t Stormwater Management Program Components
be used, and/or certain requirements may be tailored to local
circumstances through the use of Ecology -approved basin plans or other
similar water quality and quantity planning efforts. Such local
requirements and thresholds shall provide equal protection of receiving
waters and equal levels of pollutant control to those provided in
Appendix 1.
ii. The local requirements shall include the following requirements,
limitations, and criteria that, when used to implement the minimum
requirements in Appendix 1 (or program approved by Ecology under the
2024 Phase I Permit), will protect water quality, reduce the discharge of
pollutants to the MEP, and satisfy the State requirement under Chapter
90.48 RCW to apply AKART prior to discharge:
(a) Site planning requirements;
(b) BMP selection criteria.
(c) BMP design criteria.
(d) BMP infeasibility criteria.
(e) LID competing needs criteria.
(f) BMP limitations.
Permittees shall document how the criteria and requirements will protect
water quality, reduce the discharge of pollutants to the MEP, and satisfy
the state AKART requirements.
Permittees who choose to use the requirements, limitations, and criteria
above in the Stormwater Management Manual for Western Washington,
or a Phase I program approved by Ecology, may cite this choice as their
sole documentation to meet this requirement.
iii. The legal authority, through the approval process for new development
and redevelopment, to inspect and enforce maintenance standards for
private stormwater facilities approved under the provisions of this
Section that discharge to the Permittee's MS4.
c. The program shall include a permitting process with site plan review,
inspection, and enforcement capability to meet the standards listed in (i)
through (iv) below, for both private and public projects, using qualified
personnel (as defined in Definitions and Acronyms). At a minimum, this
program shall be applied to all sites that meet the minimum thresholds
adopted pursuant to S5.C.6.b.i, above.
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S5.C.6 Stormwater Management Program Components
i. Review of all stormwater site plans for proposed development activities.
ii. Inspect, prior to clearing and construction, all permitted development
sites that have a high potential for sediment transport as determined
through plan review based on definitions and requirements in Appendix 7
— Determining Construction Site Sediment Damage Potential. As an
alternative to evaluating each site according to Appendix 7, Permittees
may choose to inspect all construction sites that meet the minimum
thresholds adopted pursuant to S5.C.6.b.i, above.
iii. Inspect all permitted development sites during construction to verify
proper installation and maintenance of required erosion and sediment
controls. Enforce, as necessary, based on the inspection.
iv. Each Permittee shall manage maintenance activities to inspect all
stormwater treatment and flow control BMPs/facilities, and catch basins,
in new residential developments at least twice per 12-month period with
no less than 4 months between inspections, until 90% of the lots are
constructed (or when construction has stopped and the site is fully
stabilized), to identify maintenance needs and enforce compliance with
maintenance standards as needed.
v. Inspect all permitted development sites upon completion of construction
and prior to final approval or occupancy to ensure proper installation of
permanent stormwater facilities. Verify that a maintenance plan is
completed and responsibility for maintenance is assigned for stormwater
treatment and flow control BMPs/facilities. Enforce, as necessary, based
on the inspection.
vi. Compliance with the inspection requirements in (ii) through (v), above,
shall be determined by the presence and records of an established
inspection program designed to inspect all sites. Compliance shall be
determined by achieving at least 80% of required inspections annually.
The inspections may be combined with other inspections provided they
are performed using qualified personnel.
vii. The program shall include a procedure for keeping records of inspections
and enforcement actions by staff including inspection reports, warning
letters, notices of violations, and other enforcement records. Records of
maintenance inspections and maintenance activities shall be maintained.
viii. An enforcement strategy shall be implemented to respond to issues of
non-compliance.
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ti5. C Stormwater Management Program Components
d. The program shall make available to representatives of proposed new
development and redevelopment, as applicable: the link to the online
Construction Stormwater General Permit Notice of Intent (NOI) form for
construction activity, a link to the online Industrial Stormwater General
Permit NO1 form for industrial activity, and a link to the online registration
requirements for Underground Injection Control (UIC) wells. Permittees shall
continue to enforce local ordinances controlling runoff from sites that are
also covered by Stormwater permits issued by Ecology.25
e. Each Permittee shall ensure that all staff whose primary job duties are
implementing the program to Control Stormwater Runoff from New
Development, Redevelopment, and Construction Sites, including permitting,
plan review, construction site inspections, and enforcement, are trained to
conduct these activities. Follow-up training shall be provided as needed to
address changes in procedures, techniques, or staffing. Permittees shall
document and maintain records of the training provided and the staff
trained.",
7. Stormwater Management for Existing Development
Each Permittee shall implement a Program to control or reduce stormwater
discharges to waters of the State from areas of existing development.27 The
Program shall aim to focus on strategic stormwater investments over longer
planning timeframes.
The minimum performance measures are:
a. Permittees shall implement stormwater facility retrofits, or tailored SWMP
actions that meet the criteria described in Appendix 12, using one or a
combination of the following:
Strategic stormwater investments identified in Stormwater Management
Action Plan(s) (SMAPs, S5.C.1.d.), or similar stormwater planning process;
and/or
ii. Opportunistic stormwater investments identified by leveraging projects
outside of SMAP areas to improve Stormwater management and
infrastructure.
2'New Permittees shall meet the requirements of S5.C.6.d beginning no later than August 1, 2024,
26New Permittees shall meet the requirements of S5.C.6.e no later than December 31, 2027.
21 New Permittees are exempt from this permit section.
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S.C. 7 Stormwater Management Program Components
b. With each Annual Report, each Permittee shall provide a list of planned,
individual projects scheduled for funding or implementation during this
Permit term for the purpose of meeting the assigned equivalent acreage in
Appendix 12. This list shall include at a minimum the information and use the
formatting specified in Appendix 12 (.xlsx file format).
c. No later than March 31, 2028, Permittees shall fully fund, start construction,
or completely implement project(s) that meet the assigned equivalent
acreage and submit documentation with the Annual Report (due on March
31, 2028) as described in Appendix 12.28
i. Projects that started construction on or after January 1, 2023, may be
included towards achieving the acres required.
ii. Permittees may contribute to meeting an overall regional goal to satisfy
this permit requirement as described in S5.C.7.d.
iii. Permittees that completely implement stormwater facility retrofit
projects by the expiration date of this Permit that will exceed the area
required for this Permit term may apply the excess as a credit to be used
for the next Permit term (e.g. 2029-2034 Permit term), not to exceed 50%
of the next Permit's requirement.
iv. Permittees shall report which projects may provide Tribal benefits and
benefits to overburdened communities including specifically Vulnerable
Populations and Highly Impacted Communities.
d. Permittees may collaborate to meet a regional goal.
i. Each Permittee is required to manage at least 0.5 equivalent acres within
their own jurisdiction but may receive acreage credit for contributing to
meeting an overall regional goal outside their defined MS4 Permit
coverage area. For Permittees assigned 0.5 acres, participation and in -
kind services to regional collaboration projects may count as the
contribution for this Permit term if there is regional agreement on the
strategy.
ii. Permittees may contribute to a regional goal, that is the sum of Phase II
partners assigned acreage from Appendix 12. Projects may be
implemented outside of Permit coverage areas to meet their individual
requirement as part of a regional goal where benefits to receiving waters
within the Permit coverage areas are identified and anticipated.
28 See Appendix 12 for descriptions of project status types: fully fund, start construction, and completely
implement.
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C <"I Stormwater Management Program Components
e. Permittees shall report the amount of estimated or projected equivalent
acres managed by stormwater facility retrofits for the next Permit term (e.g.
2029-2032). This report shall be submitted to Ecology no later than March
31, 2028.
8. Source Control Program for Existing Development
The Permittee shall implement a program to prevent and reduce pollutants in
runoff from areas of existing development that discharge to the MS4. The
program shall include application of source control BMPs, inspections, and
enforcement.
The minimum performance measures are:
a. Permittees shall enforce ordinance(s), or other enforceable documents,
requiring the application of source control BMPs for pollutant generating
sources associated with existing land uses and activities (see Appendix 8 to
identify pollutant generating sources).29
Permittees shall update and make effective the ordinance(s), or other
enforceable documents, as necessary to meet the requirements of this
Section no later than August 1, 2027.
The requirements of this subsection are met by using the source control
BMPs in the SWMMWW, or a Phase I Program approved by Ecology. In cases
where the manual(s) lack guidance for a specific source of pollutants, the
Permittee shall work with the owner/operator to implement or adapt BMPs
based on the best professional judgement of the Permittee.
Applicable operational source control BMPs shall be required for all pollutant
generating sources. Structural source control BMPs, or treatment
BMPs/facilities, or both, shall be required for pollutant generating sources if
operational source control BMPs do not prevent illicit discharges or
violations of surface water, groundwater, or sediment management
standards because of inadequate stormwater controls. Implementation of
source control requirements may be done through education and technical
assistance programs, provided that formal enforcement authority is available
to the Permittee and is used as determined necessary by the Permittee, in
accordance with S5.C.8.d., below.
29 No later than August 1, 2026, New Permittees shall adopt and make effective ordinance(s), or other enforceable
documents, requiring the application of source control BMPs for pollutant generating sources associated with
existing land uses and activities (see Appendix 8 to identify pollutant generating sources).
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Stormwater Management Program Components
b. Permittees shall implement a program to identify publicly and privately
owned institutional, commercial, and industrial sites which have the
potential to generate pollutants to the MS4.30 Permittees shall update the
inventory at least once every 5 years. The inventory shall include:
i. Businesses and/or sites identified based on the presence of activities that
are pollutant generating (refer to Appendix 8); and
ii. Other pollutant generating sources, based on complaint response, such
as: home -based businesses and multi -family sites
c. Permittees shall implement an inspection program, performed by qualified
personnel, for sites identified pursuant to S5.C.8.a.i., above.31
i. All identified sites with a business address shall be provided information
about activities that may generate pollutants and the source control
requirements applicable to those activities. This information shall be
provided by mail, telephone, electronic communications, or in person.
This information may be provided all at one time or spread out over the
Permit term to allow for tailoring and distribution of the information
during site inspections.
ii. The Permittee shall annually complete the number of inspections equal
to 20% of the businesses and/or sites listed in their source control
inventory to assess BMP effectiveness and compliance with source
control requirements. The Permittee may count follow-up compliance
inspections at the same site toward the 20% inspection rate. The
Permittee may select which sites to inspect each year and is not required
to inspect 100% of sites over a 5-year period. Sites may be prioritized for
inspection based on their land use category, potential for pollution
generation, proximity to receiving waters, or to address an identified
pollution problem within a specific geographic area or sub -basin.
iii. Each Permittee shall inspect 100% of sites identified through credible
complaints.
iv. Permittees may count inspections conducted based on complaints, or
when the property owner denies entry, to the 20% inspection rate.
10 No later than August 1, 2027, New Permittees shall establish an inventory that follows this permit section.
31 No later than January 1, 2028, New Permittees shall implement an inspection program for sites identified.
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v. Annual Reporting of inspections shall be organized by business type or
activities with potential to generate pollutants to the MS4. Standard
Industrial Code (SIC), Major Group, and NAICS numbers may be provided
for reference as noted in Appendix 8.
d. Permittees shall implement a progressive enforcement policy that requires
sites to comply with stormwater requirements within a reasonable time
period as specified below:32
i. If the Permittee determines, through inspections or otherwise, that a site
has failed to adequately implement required BMPs, the Permittee shall
take appropriate follow-up action(s), which may include phone calls,
reminder letters, emails, or follow-up inspections.
ii. When a Permittee determines that a site has failed to adequately
implement BMPs after a follow-up inspection(s) the Permittee shall take
enforcement action as established through authority in its municipal
codes or ordinances, or through the judicial system.
iii. Each Permittee shall maintain records, including documentation of each
site visit, inspection reports, warning letters, notices of violations, and
other enforcement records demonstrating an effort to bring sites into
compliance. Each Permittee shall also maintain records of sites that are
not inspected because the property owner denies entry.
iv. A Permittee may refer non -emergency violations of local ordinances to
Ecology, provided, the Permittee also makes a documented effort of
progressive enforcement. At a minimum, a Permittee's enforcement
effort shall include documentation of inspections and warning letters or
notices of violation.
v. Application and enforcement of local ordinances at sites identified
pursuant to S5.C.8.a.i., including sites with discharges authorized by a
separate NPDES permit.
sz No later than January 1, 2028, New Permittees shall implement a progressive enforcement policy as described in
this permit section.
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S5_C.9 Stormwater Management Program Components
e. Permittees shall train staff who are responsible for implementing the source
control program to conduct these activities.33 The ongoing training program
shall cover the legal authority for source control, source control BMPs and
their proper application, inspection protocols, lessons learned, typical cases,
and enforcement procedures. Follow-up training shall be provided as needed
to address changes in procedures, techniques, requirements, or staff.
Permittees shall document and maintain records of the training provided and
the staff trained.
9. Operations and Maintenance
Each Permittee shall implement and document a program to regulate
maintenance activities and to conduct maintenance activities by the Permittee
to prevent or reduce stormwater impacts.34
The minimum performance measures are:
a. Each Permittee shall implement maintenance standards that are as
protective, or more protective, of facility function than those specified in the
Stormwater Management Manual for Western Washington, or a Phase
program approved by Ecology. For facilities which do not have maintenance
standards, the Permittee shall develop a maintenance standard. No later
than June 30, 2027, Permittees shall update their maintenance standards as
necessary to meet the requirements of this Section.
i. The purpose of the maintenance standard is to determine if maintenance
is required. The maintenance standard is not a measure of the facility's
required condition at all times between inspections. Exceeding the
maintenance standard between inspections and/or maintenance is not a
Permit violation.
ii. Unless there are circumstances beyond the Permittee's control, when an
inspection identifies an exceedance of the maintenance standard,
maintenance shall be performed:
• Within 1 year for typical maintenance of facilities, except catch
basins.
• Within 6 months for catch basins.
• Within 2 years for maintenance that requires capital construction of
less than $25,000.
33 New Permittees shall develop and implement a training program no later than December 31, 2027.
34New Permittees shall develop and implement the requirements of S5.C.9 no later than June 30, 2027 except
where otherwise noted in this Section.
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CO)C. Stormwater Management Program Components
Circumstances beyond the Permittee's control include denial or delay of
access by property owners, denial or delay of necessary Permit approvals,
and unexpected reallocations of maintenance staff to perform
emergency work. For each exceedance of the required timeframe, the
Permittee shall document the circumstances and how they were beyond
their control.
b. Maintenance of stormwater treatment and flow control BMPs/facilities
regulated by the Permittee:
i. The program shall include provisions to verify adequate long-term O&M
of stormwater treatment and flow control BMPs/facilities that are
permitted and constructed pursuant to S5.C.6.c and shall be maintained
in accordance with S5.C.9.a.
The provisions shall include:
(a) Implementation of an ordinance or other enforceable mechanism
that:
• Clearly identifies the party responsible for maintenance in
accordance with maintenance standards established under
SS.C.9.a.
• Requires inspection of facilities in accordance with the
requirements in (b), below.
• Establishes enforcement procedures.
(b) Annual inspections of all stormwater treatment and flow control
BMPs/facilities that discharge to the MS4 and were permitted by the
Permittee according to S5.C.6.c, including those permitted in
accordance with requirements adopted pursuant to the 2007-2024
Ecology municipal stormwater permits, unless there are maintenance
records to justify a different frequency. Inspections shall be
conducted by qualified personnel or a qualified third party.
Permittees may reduce the inspection frequency based on
maintenance records of double the length of time of the proposed
inspection frequency. In the absence of maintenance records, the
Permittee may substitute written statements to document a specific
less frequent inspection schedule. Written statements shall be based
on actual inspection and maintenance experience and shall be
certified in accordance with G19 — Certification and Signature.
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S5.C.9 Stormwater Management Program Components
ii. Compliance with the inspection requirements in (b), above, shall be
determined by the presence and records of an established inspection
program designed to inspect all facilities, and achieving at least 80% of
required inspections annually.
iii. The program shall include a procedure for keeping records of inspections
and enforcement actions by staff, qualified personnel, and qualified third
parties, including inspection reports, warning letters, notices of
violations, and other enforcement records. Records of maintenance
inspections and maintenance activities shall be maintained.
c. Maintenance of stormwater facilities owned or operated by the Permittee:
i. Each Permittee shall implement a program to annually inspect all
municipally owned or operated stormwater treatment and flow control
BMPs/facilities. Permittees shall implement appropriate maintenance
action(s) in accordance with the adopted maintenance standards. The
inspection program shall be implemented by qualified personnel.
Permittees may reduce the inspection frequency based on maintenance
records of double the length of time of the proposed inspection
frequency. In the absence of maintenance records, the Permittee may
substitute written statements to document a specific less frequent
inspection schedule. Written statements shall be based on actual
inspection and maintenance experience and shall be certified in
accordance with G19 — Certification and Signature.
ii. Each Permittee shall spot check potentially damaged stormwater
treatment and flow control BMPs/facilities after major storm events (24-
hour storm event with a 10 year or greater recurrence interval). If spot
checks indicate widespread damage/maintenance needs, inspect all
stormwater treatment and flow control BMPs/facilities that may be
affected. Conduct repairs or take appropriate maintenance action in
accordance with maintenance standards established above, based on the
results of the inspections.
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S!_). C. I) Stormwater Management Program Components
iii. Each Permittee shall continue to inspect all catch basins and inlets owned
or operated by the Permittee by December 31, 2025 and every two years
after." Clean catch basins if the inspection indicates cleaning is needed
to comply with maintenance standards established in the Stormwater
Management Manual for Western Washington. Decant water shall be
disposed of in accordance with Appendix 6 — Street Waste Disposal.
The following alternatives to the standard approach of inspecting all
catch basins every two years may be applied to all or portions of the
system:
(a) The catch basin inspection schedule of every two years may be
changed as appropriate to meet the maintenance standards based on
maintenance records of double the length of time of the proposed
inspection frequency. In the absence of maintenance records for
catch basins, the Permittee may substitute written statements to
document a specific, less frequent inspection schedule. Written
statements shall be based on actual inspection and maintenance
experiences and shall be certified in accordance with G19 —
Certification and Signature.
(b) Inspections every two years may be conducted on a "circuit basis"
whereby 25% of catch basins and inlets within each circuit are
inspected to identify maintenance needs. Include an inspection of the
catch basin immediately upstream of any MS4 outfall, discharge
point, or connections to public or private storm systems, if applicable.
Clean all catch basins within a given circuit for which the inspection
indicates cleaning is needed to comply with maintenance standards
established under S5.C.9.a, above.
(c) The Permittee may clean all pipes, ditches, and catch basins and inlets
within a circuit once during the Permit term. Circuits selected for this
alternative must drain to a single point.
iv. Compliance with the inspection requirements in S5.C.9.c.i-iii, above, shall
be determined by the presence of an established inspection program
achieving at least 95% of required inspections.
3s New Permittees shall inspect and, if needed, clean all catch basins and inlets owned or operated by the
Permittee in accordance with the requirements of S5.C.7.c once during the permit term, to be completed no later
than December 31, 2028 and every two years after.
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S .C9 Stormwater Management Program Components
d. Implement practices, policies, and procedures to reduce stormwater impacts
associated with runoff from all lands owned or maintained by the Permittee,
and road maintenance activities under the functional control of the
Permittee. No later than December 31, 2027, document the practices,
policies, and procedures. Lands owned or maintained by the Permittee
include but are not limited to: streets; parking lots; roads; highways;
buildings; parks; open space; road rights -of -way; maintenance yards; and
stormwater treatment and flow control BMPs/facilities.
The following activities shall be addressed:
i. Pipe cleaning.
ii. Cleaning of culverts that convey stormwater in ditch systems.
iii. Ditch maintenance.
iv. Street cleaning.
v. Road repair and resurfacing, including pavement grinding.
vi. Snow and ice control.
vii. Utility installation.
viii. Pavement striping maintenance.
ix. Maintaining roadside areas, including vegetation management.
x. Dust control.
xi. Application of fertilizers, pesticides, and herbicides according to the
instructions for their use including reducing nutrients and pesticides and
using alternatives that minimize environmental impacts.
xii. Sediment and erosion control.
xiii. Landscape maintenance and vegetation disposal.
xiv. Trash and pet waste management.
xv. Building exterior cleaning and maintenance.
(a) For Permittee-owned buildings built or renovated between 1950-
1980, update policies, practices, or procedures to include Source
Control BMPs to minimize PCBs from entering the MS4. Permittees
shall not discharge washdown water to the MS4 if the building is
confirmed or suspected to have PCB -containing materials.
xvi. Preparing Permittee-owned buildings for renovation or demolition.
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S_5.0 1> Stormwater Management Program Components
(a) Update policies, practices, or procedures to include Source Control
BMPs for building materials to prevent PCBs from entering the MS4 in
preparation for and during demolition and renovations.
e. No later than July 1, 2027, develop and implement a municipal street
sweeping program to focus on priority areas and times during the year that
would reasonably be expected to result in the maximum water quality
benefits to receiving waters. The following program elements shall be
included:
i. Priority areas: Apply street sweeping program to curbed municipal
streets that discharge to outfalls and meet any of the following criteria:
(a) High traffic streets, such as arterials or collectors.
(b) Streets that serve commercial or industrial land use areas.
ii. Program timing: Sweep priority areas at least once between July and
September each year and at least two additional times a year as
determined by the Permittee to provide additional water quality benefits.
For calendar year 2027, only one sweeping event is required between
July and December.
(a) Compliance during this Permit term shall be determined by records of
a sweeping program designed to sweep all priority areas identified
and sweeping at least 90% of priority areas each sweeping event.
(b) Permittee may document reasoning for alternative sweeping timing
and frequency based on local conditions (e.g., climate) and estimated
pollutant deposition quantities. Documentation shall also be based on
actual maintenance experience and be certified in accordance with
G19 — Certification and Signature.
iii. Operational Procedures: Procedures to follow equipment design
performance specifications to ensure that street sweeping equipment is
operated at the proper design speed with appropriate verification, and
that it is properly maintained.
iv. Street Waste Disposal: Dispose of sweeper waste material in accordance
with Appendix 6 — Street Waste Disposal.
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C.
Stormwater Management Program Components
v. Reporting: No later than March 31, 2028, submit with the Annual Report
the following information about the priority areas:
(a) Priority areas swept identified on a map (i.e. streets that are
considered high traffic (estimated number of vehicles served/or
arterials or collectors, and streets serving commercial or industrial
land use).
(b) Sweeping date(s).
(c) Sweeping frequency.
(d) Type of sweeper.
(e) Total curb miles of priority areas and curb miles swept.
(f) Approximation of street waste solids removed for each sweeping
event (indicate unit of measurement and wet or dry weight, where
available).
f. Implement a Stormwater Pollution Prevention Plan (SWPPP) for all heavy
equipment maintenance or storage yards and material storage facilities
owned or operated by the Permittee in areas subject to this Permit that are
not required to have coverage under the Industrial Stormwater General
Permit or another NPDES permit that authorizes stormwater discharges
associated with the activity. SWPPPs shall include the following information,
at a minimum:
i. A detailed description of the operational and structural BMPs in use at
the facility and a schedule for implementation of additional BMPs when
needed. BMPs selected shall be consistent with the Stormwater
Management Manual for Western Washington, or a Phase I program
approved by Ecology. The SWPPP shall be updated as needed to maintain
relevancy with the facility.
ii. At minimum, annual inspections of the facility, including visual
observations of discharges, to evaluate the effectiveness of the BMPs,
identify maintenance needs, and determine if additional or different
BMPs are needed. The results of these inspections shall be documented
in an inspection report or check list.
iii. An inventory of the materials and equipment stored on -site, and the
activities conducted at the facility which may be exposed to precipitation
or runoff and could result in Stormwater pollution.
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SS. C. 9 Stormwoter Management Program Components
iv. A site map showing the facility's stormwater drainage, discharge points,
and areas of potential pollutant exposure.
v. A plan for preventing and responding to spills at the facility which could
result in an illicit discharge.
g. Implement an ongoing training program for employees of the Permittee
whose primary construction, operations, or maintenance job functions may
impact stormwater quality. The training program shall address the
importance of protecting water quality, operation and maintenance
standards, inspection procedures, relevant SWPPPs, selecting appropriate
BMPs, street sweeper operation, ways to perform their job activities to
prevent or minimize impacts to water quality, and procedures for reporting
water quality concerns. Follow-up training shall be provided as needed to
address changes in procedures, techniques, requirements, or staffing.
Permittees shall document and maintain records of training provided. The
staff training records to be kept include dates, activities or course
descriptions, and names and positions of staff in attendance.
h. Maintain records of the activities conducted to meet the requirements of this
Section.
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S6.A Secondary Permittees and New Secondary Permittees Coverage
S6. STORMWATER MANAGEMENT PROGRAM FOR SECONDARY PERMITTEES
A. Secondary Permittees and New Secondary Permittees Coverage
This Section applies to all Secondary Permittees and all New Secondary Permittees,
whether coverage under this Permit is obtained individually or as a Co-Permittee
with a city, town, county, or another Secondary Permittee.
New Secondary Permittees subject to this Permit shall fully meet the requirements
of this Section as modified in the footnotes in S6.D below, or as established as a
condition of coverage by Ecology.
1. To the extent allowable under state, federal or local law, all components are
mandatory for each Secondary Permittee covered under this Permit, whether
covered as an individual Permittee or as a Co-Permittee.
2. Each Secondary Permittee shall develop and implement a Stormwater
Management Program (SWMP). A SWMP is a set of actions and activities
comprising the components listed in S6 and any additional actions necessary to
meet the requirements of applicable TMDLs pursuant to S7 — Compliance with
Total Maximum Daily Load Requirements. The SWMP shall be designed to reduce
the discharge of pollutants from regulated small MS4s to the MEP and protect
water quality.
3. Unless an alternate implementation schedule is established by Ecology as a
condition of Permit coverage, the SWMP shall be developed and implemented in
accordance with the schedules contained in this Section and shall be fully
developed and implemented no later than four and one-half years from the
initial Permit coverage date. Secondary Permittees that are already
implementing some or all of the required SWMP components shall continue
implementation of those components.
4. Secondary Permittees may implement parts of their SWMP in accordance with
the schedule for cities, towns, and counties in S5, provided they have signed a
memorandum of understanding or other agreement to jointly implement the
activity or activities with one or more jurisdictions listed in S1.D.2.a or S1.D.2.b
and submitted a copy of the agreement to Ecology.
5. Each Secondary Permittee shall prepare written documentation of the SWMP,
called the SWMP Plan. The SWMP Plan shall be updated annually to include a
description of program activities for the upcoming calendar year and shall be
submitted with the Annual Report.
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Coordination
B. Coordination
Secondary Permittees shall coordinate stormwater-related policies, programs, and
projects within a watershed and interconnected MS4s. Where relevant and
appropriate, the SWMP shall coordinate among departments of the Secondary
Permittee to ensure compliance with the terms of this Permit.
C. Legal Authority
To the extent allowable under state law and federal law, each Secondary Permittee
shall be able to demonstrate that they can operate pursuant to legal authority which
authorizes or enables the Secondary Permittee to control discharges to and from
MS4s owned or operated by the Secondary Permittee.
This legal authority may be a combination of statutes, ordinances, permits,
contracts, orders, interagency agreements, or similar instruments.
D. Stormwater Management Program for Secondary Permittees
The SWMP for Secondary Permittees shall include the following components:
1. Public Education and Outreach
Each Secondary Permittee shall implement the following stormwater education
strategies:
a. Storm drain inlets owned or operated by the Secondary Permittee that are
located in maintenance yards, in parking lots, along sidewalks, and at
pedestrian access points shall be clearly labeled with a message similar to
"Dump no waste — Drains to waterbody."36
As identified during visual inspection and regular maintenance of storm drain
inlets per the requirements of S6.D.3.d and S6.D.6.a.i, below, or as otherwise
reported to the Secondary Permittee, any inlet having a label that is no
longer clearly visible and/or easily readable shall be re -labeled within 90
days.
b. Each year beginning no later than three years from the initial date of Permit
coverage, public ports, colleges, and universities shall distribute educational
information to tenants and residents on the impact of stormwater discharges
on receiving waters, and steps that can be taken to reduce pollutants in
stormwater runoff. Distribution may be by hard copy or electronic means.
Appropriate topics may include:
"New Secondary Permittees shall label all inlets as described in S6.D.l.a no later than four years from the initial
date of permit coverage.
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S6.D Stormwater Management Program for Secondary Permittees
i. How stormwater runoff affects local water bodies.
ii. Proper use and application of pesticides and fertilizers.
iii. Benefits of using well -adapted vegetation.
iv. Alternative equipment washing practices, including cars and trucks that
minimize pollutants in stormwater.
v. Benefits of proper vehicle maintenance and alternative transportation
choices; proper handling and disposal of vehicle wastes, including the
location of hazardous waste collection facilities in the area.
vi. Hazards associated with illicit connections and illicit discharges
vii. Benefits of litter control of pet waste.
viii. Source control BMPs for building materials to reduce pollution to
stormwater including, but not limited to, stormwater pollution from PCB -
containing materials.
2. Public Involvement and Participation
Each year, no later than May 31, each Secondary Permittee shall:
a. Make the annual report available on the Permittee's website; and
b. Make available on the Permittee's website, the latest updated version of the
SWMP Plan.
3. Illicit Discharge Detection and Elimination
Each Secondary Permittee shall:
a. From the initial date of Permit coverage, comply with all relevant ordinances,
rules, and regulations of the local jurisdiction(s) in which the Secondary
Permittee is located that govern non-stormwater discharges.
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S6.D Storm water Management Program for Secondary Permittees
b. Implement appropriate policies prohibiting illicit discharges,37 and an
enforcement plan to ensure compliance with illicit discharge policies.38 These
policies shall address, at a minimum: illicit connections, non-stormwater
discharges, including spills of hazardous materials, and improper disposal of
pet waste and litter. Policies shall be revised, if necessary, to meet the
requirements of this Section no later than July 1, 2027.
i. Allowable discharges: The policies do not need to prohibit the following
categories of non-stormwater discharges:
(a) Diverted stream flows
(b) Rising groundwaters
(c) Uncontaminated groundwater infiltration (as defined at 40 CFR
35.2005(b)(20))
(d) Uncontaminated pumped groundwater
(e) Foundation drains
(f) Air conditioning condensation
(g) Irrigation water from agricultural sources that is commingled with
urban stormwater
(h) Springs
(i) Uncontaminated water from crawl space pumps
0) Footing drains
(k) Flows from riparian habitats and wetlands
(1) Discharges from emergency firefighting activities in accordance with
S2 — Authorized Discharges
(m) Non-stormwater discharges authorized by another NPDES or State
Waste Discharge Permit
37New Secondary Permittees shall develop and implement appropriate policies prohibiting illicit discharges and
identify possible enforcement mechanisms as described in S6.D.3.b no later than one year from the initial date of
permit coverage.
38New Secondary Permittees shall develop and implement an enforcement plan as described in S6.D.3.b no later
than 18 months from the initial date of permit coverage.
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S6. D Storm water Management Program for Secondary Permittees
ii. Conditionally allowable discharges: The policies may allow the following
categories of non-stormwater discharges only if the stated conditions are
met and such discharges are allowed by local codes:
(a) Discharges from potable water sources including, but not limited to,
water line flushing, hyperchlorinated water line flushing, fire hydrant
system flushing, and pipeline hydrostatic test water. Planned
discharges shall be dechlorinated to a total residual chlorine
concentration of 0.1 ppm or less, pH -adjusted if necessary, and
volumetrically and velocity controlled to prevent resuspension of
sediments in the MS4.
(b) Discharges from lawn watering and other irrigation runoff, including
from reclaimed water sources. These discharges shall be minimized
through, at a minimum, public education activities and water
conservation efforts conducted by the Secondary Permittee and/or
the local jurisdiction.
(c) Discharges from swimming pools, spas, and hot tubs. The discharges
shall be dechlorinated/debrominated to a total residual
concentration of 0.1 ppm or less, free from sodium chloride, pH -
adjusted and reoxygenated if necessary, and volumetrically and
velocity controlled to prevent resuspension of sediments in the MS4.
Discharges shall be thermally controlled to prevent an increase in
temperature of the receiving water. Swimming pool cleaning
wastewater and filter backwash shall not be discharged to the MS4.
(d) Street and sidewalk wash water, water used to control dust. The
Secondary Permittee shall reduce these discharges through, at a
minimum, public education activities and/or water conservation
efforts conducted by the Secondary Permittee and/or the local
jurisdiction. To avoid washing pollutants into the MS4, the Secondary
Permittee shall minimize the amount of street wash and dust control
water used.
(e) Routine external building washdown that does not use detergents for
buildings built before 1950 and after 1980. These discharges shall be
reduced through, at minimum, public education activities or water
conservation efforts, or both.
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S6. D Storm water Management Program for Secondary Permittees
Commercial, industrial, and multi -story residential structures
constructed or renovated between the years 1950 and 1980 (i.e.
those most likely to have PCB containing building materials), shall be
assessed for PCB -containing materials consistent with How to Find
PCBs in Building Materials (Ecology, 2024; Publication No. 22-040-
024) prior to routine building washdown to the MS4. Structures
confirmed or suspected to have PCB -containing materials shall not
discharge washdown water to the MS4. Structures built between
1950-1980, without PCB -containing materials, may proceed with
routine building washdown (without detergents) as described above.
(f) Other non-stormwater discharges shall be in compliance with the
requirements of a pollution prevention plan reviewed by the
Permittee which addresses control of such discharges.
iii. The Secondary Permittee shall address any category of discharges in (i) or
(ii), above, if the discharge is identified as a significant source of
pollutants to waters of the State.
c. Maintain a storm sewer system map showing the locations of all known MS4
outfalls and discharge points, labeling the receiving waters (other than
groundwater) and delineating the areas contributing runoff to each outfall
and discharge point. Make the map (or completed portions of the map)
available on request to Ecology and to the extent appropriate to other
Permittees.
i. No later than December 31, 2026, the required format for mapping is an
electronic format with fully described mapping standards.39
ii. No later than March 31, 2027, Permittees shall submit locations of all
known MS4 outfalls according to the standard templates and format
provided in the Annual Report. This reporting shall include the size and
material of the outfalls.
d. Conduct field inspections and visually inspect for illicit discharges at all
known MS4 outfalls and discharge points. Visually inspect at least one third
(on average) of all known outfalls and discharge points each year beginning
no later than two years from the initial date of Permit coverage. Implement
procedures to identify and remove any illicit discharges. Keep records of
inspections and follow-up activities.
39New Secondary Permittees shall meet the requirements of S6.D.3.c no later than four and one-half years from
the initial date of permit coverage.
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1 tO.0 Storm water Management Program for Secondary Permittees
e. Implement a spill response plan that includes coordination with a qualified
spill responder.40
f. No later than two years from initial date of Permit coverage, provide staff
training or coordinate with existing training efforts to educate staff on proper
BMPs for preventing illicit discharges, including spills. Train all Secondary
Permittee staff who, as part of their normal job responsibilities, have a role in
preventing such illicit discharges.
4. Construction Site Stormwater Runoff Control
From the initial date of Permit coverage, each Secondary Permittee shall:
a. Comply with all relevant ordinances, rules, and regulations of the local
jurisdictions) in which the Secondary Permittee is located that govern
construction phase stormwater pollution prevention measures.
b. Ensure that all construction projects under the functional control of the
Secondary Permittee which require a construction stormwater permit obtain
coverage under the NPDES Construction Stormwater General Permit or an
individual NPDES permit prior to discharging construction related
stormwater.
c. Coordinate with the local jurisdiction regarding projects owned or operated
by other entities which discharge into the Secondary Permittee's MS4, to
assist the local jurisdiction with achieving compliance with all relevant
ordinances, rules, and regulations of the local jurisdiction(s).
d. Provide training or coordinate with existing training efforts to educate
relevant staff in erosion and sediment control BMPs and requirements or
hire trained contractors to perform the work.
e. Coordinate, as requested, with Ecology or the local jurisdiction to provide
access for inspection of construction sites or other land disturbances which
are under the functional control of the Secondary Permittee during land
disturbing activities and/or construction period.
40New Secondary Permittees shall develop and implement a spill response plan as described in S6.D.3.e no later
than four and one-half years from the initial date of permit coverage.
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Stormwater Management Program for Secondary Permittees
5. Post -Construction Stormwater Management for New Development and
Redevelopment
From the initial date of Permit coverage, each Secondary Permittee shall:
a. Comply with all relevant ordinances, rules, and regulations of the local
jurisdiction(s) in which the Secondary Permittee is located that govern post -
construction stormwater pollution prevention measures
b. Coordinate with the local jurisdiction regarding projects owned or operated
by other entities which discharge into the Secondary Permittee's MS4 to
assist the local jurisdiction with achieving compliance with all relevant
ordinances, rules, and regulations of the local jurisdiction(s).
6. Pollution Prevention and Good Housekeeping for Municipal Operations
Each Secondary Permittee shall:
a. Implement a municipal operation and maintenance (O&M) plan to minimize
stormwater pollution from activities conducted by the Secondary Permittee.
The 0&M Plan shall include appropriate pollution prevention and good
housekeeping procedures for all of the following operations, activities,
and/or types of facilities that are present within the Secondary Permittee's
boundaries and under the functional control of the Secondary Permittee.al
The 0&M Plan Shall be updated, as needed, no later than July 1, 2027.
i. Stormwater collection and conveyance systems including catch basins,
stormwater pipes, open channels, culverts, and stormwater treatment
and flow control BMPs/facilities. The O&M Plan shall address, at a
minimum: scheduled inspections and maintenance activities including
cleaning and proper disposal of waste removed from the system.
Secondary Permittees shall properly maintain Stormwater collection and
conveyance systems owned or operated by the Secondary Permittee and
annually inspect and maintain all stormwater facilities to ensure facility
function.
Secondary Permittees shall establish maintenance standards that are as
protective or more protective of facility function than those specified in
the Stormwater Management Manual for Western Washington.
Secondary Permittees shall review their maintenance standards to ensure
they are consistent with the requirements of this Section.
41New Secondary Permittees shall develop and implement the operation and maintenance plan described in
S6.D.6.a no later than three years from initial date of permit coverage.
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"O.D Storm water Management Program for Secondary Permittees
Secondary Permittees shall conduct spot checks of potentially damaged
permanent stormwater treatment and flow control BMPs/facilities
following major storm events (24-hour storm event with a 10-year or
greater recurrence interval).
ii. Roads, highways, and parking lots. The O&M Plan shall address, at a
minimum: deicing, anti -icing, and snow removal practices; snow disposal
areas; material (e.g., salt, sand, or other chemical) storage areas; and all -
season BMPs to reduce road and parking lot debris and other pollutants
from entering the MS4.
iii. Vehicle fleets. The 0&M Plan shall address, at a minimum: storage,
washing, and maintenance of Secondary Permittee vehicle fleets; and
fueling facilities. Secondary Permittees shall conduct all vehicle and
equipment washing and maintenance in a self-contained covered
building or in designated wash and/or maintenance areas.
iv. External building maintenance. The 0&M Plan shall address, at a
minimum: building exterior cleaning and maintenance including cleaning,
washing, painting; maintenance and management of dumpsters; and
other maintenance activities. For buildings owned by the Secondary
Permittee and built or renovated between 19SO and 1980, the 0&M Plan
shall include building material assessment for PCBs consistent with How
to Find and Address PCBs in Building Materials guidance (Ecology, 2024;
Publication No. 22-040-024) prior to exterior building washdown to the
MS4. Structures confirmed or suspected to have PCB -containing
materials shall not discharge washdown water to the MS4.
v. Preparing Permittee-owned buildings for renovation or demolition. The
0&M Plan shall address Source Control BMPs for building materials to
prevent PCBs from entering the MS4 in preparation for and during
demolition and renovations.
vi. Parks and open space. The O&M Plan shall address, at a minimum:
proper application of fertilizer, pesticides, and herbicides; sediment and
erosion control; BMPs for landscape maintenance and vegetation
disposal; and trash and pet waste management.
vii. Material storage facilities and heavy equipment maintenance or storage
yards. Secondary Permittees shall develop and implement a Stormwater
Pollution Prevention Plan to protect water quality at each of these
facilities owned or operated by the Secondary Permittee and not covered
under the Industrial Stormwater General Permit or under another NPDES
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S6.0 Stormwater Management Program for Secondary Permittees
permit that authorizes stormwater discharges associated with the
activity.
viii. Other facilities that would reasonably be expected to discharge
contaminated runoff. The 0&M Plan shall address proper stormwater
pollution prevention practices for each facility.
b. From the initial date of Permit coverage, Secondary Permittees shall also
have permit coverage for all facilities operated by the Secondary Permittee
that are required to be covered under the Industrial Stormwater General
Permit or another NPDES permit that authorizes discharges associated with
the activity.
c. The 0&M Plan shall include sufficient documentation and records as
necessary to demonstrate compliance with the 0&M Plan requirements in
S6.D.6.a(i) through (viii), above.
d. No later than three years from the initial date of Permit coverage, Secondary
Permittees shall implement a program designed to train all employees whose
primary construction, operations, or maintenance job functions may impact
stormwater quality. The training shall address:
i. The importance of protecting water quality.
ii. The requirements of this Permit.
iii. Operation and maintenance requirements.
iv. Inspection procedures.
v. Ways to perform their job activities to prevent or minimize impacts to
water quality.
vi. Procedures for reporting water quality concerns, including potential illicit
discharges (including spills).
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S7.A
TMDL Specific Requirements
S7. COMPLIANCE WITH TOTAL MAXIMUM DAILY LOAD REQUIREMENTS
The following requirements apply if an applicable TMDL is approved for stormwater
discharges from MS4s owned or operated by the Permittee. Applicable TMDLs are
TMDLs which have been approved by EPA on or before the issuance date of this Permit
or prior to the date that Ecology issues coverage under this Permit, whichever is later.
A. TMDL Specific Requirements
For applicable TMDLs listed in Appendix 2, affected Permittees shall comply with
the specific requirements identified in Appendix 2. Each Permittee shall keep
records of all actions required by this Permit that are relevant to applicable
TMDLs within their jurisdiction. The status of the TMDL implementation shall be
included as part of the annual report submitted to Ecology. Each annual report
shall include a summary of relevant SWMP and Appendix 2 activities conducted
in the TMDL area to address the applicable TMDL parameter(s).
2. For applicable TMDLs not listed in Appendix 2, compliance with this Permit shall
constitute compliance with those TMDLs.
S8. MONITORING AND ASSESSMENT
A. Regional Status and Trends Monitoring
1. All Permittees that chose S8.A.2 Regional Status and Trends Monitoring Option
in the Phase 11 Western Washington Municipal Stormwater Permit, August 1,
2019 — July 31, 2024, shall make a one-time payment into the Stormwater Action
Monitoring (SAM) collective fund to implement regional small streams and
marine nearshore areas status and trends monitoring in Puget Sound or, urban
streams in the Lower Columbia River basin. This payment is due on or before
December 1, 2024. Submit payment amount according to Section S8.D, below.
2. All City and County Permittees covered under the Phase 11 Western Washington
Municipal Stormwater Permit, August 1, 2019 — July 31, 2024, except the Cities
of Aberdeen and Centralia, shall notify Ecology in writing which of the following
two options for regional status and trends monitoring (S8.A.2.a or S8.A.2.b) the
Permittee chooses to carry out during this Permit term. The written notification
with G19 signature is due to Ecology no later than December 1, 2024. Either
option will fully satisfy the Permittee's obligations under this Section (S8.A.2).
Each Permittee shall select a single option for this Permit term.
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S7.8 Stormwater Management Program (SWMP) Effectiveness and Source identification Studies
a. Make annual payments into a Stormwater Action Monitoring (SAM)
collective fund to implement regional receiving water status and trends
monitoring of either: small streams and marine nearshore areas in Puget
Sound, or urban streams in Clark and Cowlitz Counties in the Lower Columbia
River basin, depending on the Permittee's location. The annual payments
into the collective fund are due on or before August 15 each year beginning
in 2025. Submit payments according to Section S8.D, below.
Or
b. Conduct stormwater discharge monitoring per the requirements in Section
SB.C.
B. Stormwater Management Program (SWMP) Effectiveness and Source
Identification Studies
1. All Permittees that chose S8.B Effectiveness Studies Option in the Phase 11
Western Washington Municipal Stormwater Permit, August 1, 2019 —July 31,
2024, shall make a one-time payment into the collective fund for Stormwater
Action Monitoring (SAM) to implement effectiveness studies and source
identification studies. The payment is due on or before December 1, 2024.
Submit payment according to Section S8.D, below.
2. All City and County Permittees covered under the Phase 11 Western Washington
Municipal Stormwater Permit, August 1, 2019 — July 31, 2024, shall notify
Ecology in writing which of the following two options (S8.B.2.a or S8.B.2.b) for
effectiveness and source identification studies the Permittee chooses to carry
out during this Permit term. The written notification with G19 signature is due to
Ecology no later than December 1, 2024. Either option will fully satisfy the
Permittee's obligations under this Section (S8.B.2). Each Permittee shall select a
single option for this Permit term.
a. Make annual payments into a SAM collective fund to implement
effectiveness and source identification studies. The annual payments into the
collective fund are due on or before August 1S each year beginning in 202S.
Submit payments according to Section SS.D, below.
Or
b. Conduct stormwater discharge monitoring per the requirements in Section
S8.C.
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S7.0 Stormwater Discharge Monitoring.
3. All Permittees shall provide information as requested for effectiveness and
source identification studies that are under contract with Ecology as active
Stormwater Action Monitoring (SAM) projects. These requests will be limited to
records of SWMP activities and associated data tracked and/or maintained in
accordance with S5 — Stormwater Management Program for Cities, Towns, and
Counties and/or S9 — Reporting Requirements. A maximum of three requests
during the Permit term from the SAM Coordinator will be transmitted to the
Permittee's permit coordinator via Ecology's regional permit manager. The
Permittee shall have 90 days to provide the requested information.
C. Stormwater Discharge Monitoring.
1. This Section applies only to Permittees who choose to conduct stormwater
discharge monitoring per S8.A.2.b and/or S8.B.2.b in lieu of participation in the
regional status and trends monitoring and/or effectiveness and source
identification studies. These Permittees shall conduct monitoring in accordance
with Appendix 9 and an Ecology -approved Quality Assurance Project Plan (QAPP)
as follows:
a. Permittees who choose the option to conduct stormwater discharge
monitoring for either S8.A.2 or S8.6.2 shall monitor three independent
discharge locations.
Permittees who choose the option to conduct stormwater discharge
monitoring for both S8.A.2 and S8.6.2 shall conduct this monitoring at a total
of six locations; at least four locations shall be independent (one location
may be nested in another basin).
b. No later than February 1, 2025, each Permittee shall submit to Ecology a
draft stormwater discharge monitoring QAPP for review and approval. The
QAPP shall be prepared in accordance with the requirements in Appendix 9.
The final QAPP shall be submitted to Ecology for approval as soon as possible
following finalization, and before August 15, 2025 or within 60 days of
receiving Ecology's comments on the draft QAPP (whichever is later).
c. Flow monitoring shall begin no later than October 1, 2025, or within 30 days
of receiving Ecology's approval of the final QAPP (whichever is later).
Stormwater discharge monitoring shall be fully implemented no later than
October 1, 2026.
d. Data and analyses shall be reported annually in accordance with the Ecology -
approved QAPP. Each Permittee shall enter into the Department's
Environmental Information Management (EIM) database all water and solids
concentration data collected pursuant to Appendix 9.
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Payments into the Stormwater Action Monitoring Collective Fund.
i. Within 60 days of completing the study, or no later than March 31, 2029,
publish a final report with the results of the study and recommended
future actions based on findings, include a summary of results.
D. Payments into the Stormwater Action Monitoring Collective Fund.
1. This Section applies to all Permittees who choose to make annual payments into
the SAM collective funds for S8.A Regional Status and Trends Monitoring and/or
S8.13 Effectiveness and Source Identification Studies.
2. Permittees submitting payment for S8.A.1. or S8.6.1., payment amounts are
listed in Appendix 11 of the WWA Phase II Municipal Stormwater Permit, August
1, 2019—July 31, 2024.
3. Each Permittee's S8.A.2.a and S8.B.2.a payment amounts are listed in Appendix
11 and in the invoices that will be sent to the Permittee approximately three
months in advance of each payment due date. Mail payments according to the
instructions in the invoice.
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IM .
61fl
Annual Report Submittal
REPORTING & RECORDKEEPING REQUIREMENTS
A. Annual Report Submittal
1. No later than March 31 of each year beginning in 2025, each Permittee shall
submit an Annual Report. The reporting period for the first Annual Report will be
from January 1, 2024, through December 31, 2024. The reporting period for all
subsequent Annual Reports will be the previous calendar year unless otherwise
specified.
2. Permittees shall submit Annual Reports electronically using Ecology's Water
Quality Permitting Portal (WQWebPortal) available on Ecology's website.
B. Records Retention
Each Permittee is required to keep all records related to this Permit and the SWMP
for at least five years after the expiration date of this Permit.
C. Records Available to the Public
Each Permittee shall make all records related to this Permit and the Permittee's
SWMP available to the public at reasonable times during business hours. The
Permittee will provide a copy of the most recent annual report to any individual or
entity, upon request.
1. A reasonable charge may be assessed by the Permittee for making photocopies
of records.
2. The Permittee may require reasonable advance notice of intent to review
records related to this Permit.
D. Annual Report for Cities, Towns, and Counties
Each annual report shall include the following:
1. A copy of the Permittee's current Stormwater Management Program Plan
(SWMP Plan), as required by S5.A.2.
2. Submittal of the annual report form as provided by Ecology pursuant to S9.A,
describing the status of implementation of the requirements of this Permit
during the reporting period.
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59. E: Annual Report for Secondary Permittees
3. Attachments to the annual report form including summaries, descriptions,
reports, and other information as required, or as applicable, to meet the
requirements of this Permit during the reporting period, or as a required
submittal. Refer to Appendix 3 for annual report questions.az
4. If applicable, notice that the MS4 is relying on another entity to satisfy any of the
obligations under this Permit.
5. Certification and signature pursuant to G19.D, and notification of any changes to
authorization pursuant to G19.C.
6. A notification of any annexations, incorporations or jurisdictional boundary
changes resulting in an increase or decrease in the Permittee's geographic area
of Permit coverage during the reporting period.
E. Annual Report for Secondary Permittees
Each annual report shall include the following:
1. A copy of the Permittee's current Stormwater Management Program Plan
(SWMP Plan), as required by S6.A.2.
2. Submittal of the annual report form as provided by Ecology pursuant to S9.A,
describing the status of implementation of the requirements of this Permit
during the reporting period.
3. Attachments to the annual report form including summaries, descriptions,
reports, and other information as required, or as applicable, to meet the
requirements of this Permit during the reporting period. Refer to Appendix 4 for
annual report questions.
4. If applicable, notice that the MS4 is relying on another entity to satisfy any of the
obligations under this Permit.
5. Certification and Signature pursuant to G190, and notification of any changes to
authorization pursuant to G19.C.
6. A notification of any jurisdictional boundary changes resulting in an increase or
decrease in the Secondary Permittee's geographic area of Permit coverage
during the reporting period.
42New Permittees refer to Appendix 5 for annual report questions.
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General Conditions - G1
GENERAL CONDITIONS
G1. DISCHARGE VIOLATIONS
All discharges and activities authorized by this Permit shall be consistent with the terms
and conditions of this Permit.
G2. PROPER OPERATION AND MAINTENANCE
The Permittee shall, at all times, properly operate and maintain all facilities and systems
of collection, treatment, and control (and related appurtenances) which are installed or
used by the Permittee for pollution control to achieve compliance with the terms and
conditions of this Permit.
G3. NOTIFICATION OF DISCHARGE, INCLUDING SPILLS
If a Permittee has knowledge of a discharge, including spills, into or from a MS4 which
could constitute a threat to human health, welfare, or the environment, the Permittee
shall:
A. Take appropriate action to correct or minimize the threat to human health, welfare
and/or the environment.
B. Notify the Ecology regional office and other appropriate spill response authorities
immediately but in no case later than within 24 hours of obtaining that knowledge.
C. Immediately report spills or other discharges which might cause bacterial
contamination of marine waters, such as discharges resulting from broken sewer
lines and failing onsite septic systems, to the Ecology regional office and to the
Washington State Department of Health, Shellfish Program.
D. Immediately report spills or discharges of oils or hazardous substances to the
Ecology regional office and to the Washington Emergency Management Division at
1-800-258-5990.
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General Conditions - G4
G4. BYPASS PROHIBITED
The intentional bypass of stormwater from all or any portion of a stormwater treatment
BMP whenever the design capacity of the treatment BMP is not exceeded, is prohibited
unless the following conditions are met:
A. Bypass is: (1) unavoidable to prevent loss of life, personal injury, or severe property
damage; or (2) necessary to perform construction or maintenance -related activities
essential to meet the requirements of the Clean Water Act (CWA); and
B. There are no feasible alternatives to bypass, such as the use of auxiliary treatment
facilities, retention of untreated stormwater, or maintenance during normal dry
periods.
"Severe property damage" means substantial physical damage to property, damage
to the treatment facilities which would cause them to become inoperable, or
substantial and permanent loss of natural resources which can reasonably be
expected to occur in the absence of a bypass.
G5. RIGHT OF ENTRY
The Permittee shall allow Ecology, or an authorized representative of Ecology (including
an authorized contractor acting as a representative of Ecology), upon the presentation
of credentials and such other documents as may be required by law, to:
A. Enter upon the Permittee's premises where a regulated facility or activity is located
or conducted, or where records shall be kept under the conditions of this Permit;
B. To have access to, and copy at reasonable cost and at reasonable times, any records
that shall be kept under the terms of the Permit;
C. To inspect at reasonable times any facilities, equipment (including monitoring and
control equipment), practices, or operations regulated or required under this
Permit;
D. Sample or monitor at reasonable times, for the purposes of assuring Permit
compliance or as otherwise authorized by the Clean Water Act, any substances or
parameters at any location.
G6. DUTY TO MITIGATE
The Permittee shall take all reasonable steps to minimize or prevent any discharge in
violation of this Permit which has a reasonable likelihood of adversely affecting human
health or the environment.
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General Conditions - G7
G7. PROPERTY RIGHTS
This Permit does not convey any property rights of any sort, or any exclusive privilege.
G8. COMPLIANCE WITH OTHER LAWS AND STATUTES
Nothing in the Permit shall be construed as excusing the Permittee from compliance
with any other applicable federal, state, or local statutes, ordinances, or regulations.
G9. MONITORING
A. Representative Sampling
Samples and measurements taken to meet the requirements of this Permit shall be
representative of the volume and nature of the monitored discharge, including
representative sampling of any unusual discharge or discharge condition, including
bypasses, upsets, and maintenance -related conditions affecting effluent quality.
B. Records Retention
The Permittee shall retain records of all monitoring information, including all
calibration and maintenance records and all original recordings for continuous
monitoring instrumentation, copies of all reports required by this Permit, and
records of all data used to complete the application for this Permit, for a period of at
least five years. This period of retention shall be extended during the course of any
unresolved litigation regarding the discharge of pollutants by the Permittee or when
requested by the Ecology. On request, monitoring data and analysis shall be
provided to Ecology.
C. Recording of Results
For each measurement or sample taken, the Permittee shall record the following
information: (1) the date, exact place and time of sampling; (2) the individual who
performed the sampling or measurement; (3) the dates and times the analyses were
performed; (4) who performed the analyses; (5) the analytical techniques or
methods used; and (6) the results of all analyses.
D. Test Procedures
All sampling and analytical methods used to meet the monitoring requirements in
this Permit shall conform to the Guidelines Establishing Test Procedures for the
Analysis of Pollutants contained in 40 CFR Part 136, unless otherwise specified in this
Permit or approved in writing by Ecology.
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General Conditions - G10
E. Flow Measurement
Appropriate flow measurement devices and methods consistent with accepted
scientific practices shall be selected and used to ensure the accuracy and reliability
of measurements of the volume of monitored discharges. The devices shall be
installed, calibrated, and maintained to ensure that the accuracy of the
measurements is consistent with the accepted industry standard for that type of
device. Frequency of calibration shall be in conformance with manufacturer's
recommendations or at a minimum frequency of at least one calibration per year.
Calibration records should be maintained for a minimum of three years.
F. Lab Accreditation
The Permittee shall ensure all monitoring data that it is required to submit to
Ecology under this Permit is prepared by a laboratory registered or accredited under
the provisions of Accreditation of Environmental Laboratories, Chapter 173-50 WAC.
Flow, temperature, and settleable solids are exempt from this requirement.
Conductivity, turbidity, and pH are also exempt from this requirement, unless the
laboratory must be registered or accredited for any other parameter. Quick methods
of field detection of pollutants are exempted from this requirement when the
purpose of the sampling is identification and removal of a suspected illicit discharge.
G. Additional Monitoring
Ecology may establish specific monitoring requirements in addition to those
contained in this Permit by administrative order or Permit modification.
G10. REMOVED SUBSTANCES
With the exception of decant from street waste vehicles, the Permittee shall not allow
collected screenings, grit, solids, sludges, filter backwash, or other pollutants removed in
the course of treatment or control of stormwater to be resuspended or reintroduced to
the MS4 or to waters of the State. Decant from street waste vehicles resulting from
cleaning stormwater facilities may be reintroduced only when other practical means are
not available and only in accordance with the Street Waste Disposal guidelines in
Appendix 6. Solids generated from maintenance of the MS4 may be reclaimed, recycled,
or reused when allowed by local codes and ordinances. Soils that are identified as
contaminated pursuant to Chapter 173-350 WAC shall be disposed at a qualified solid
waste disposal facility (see Appendix 6).
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General Conditions - G11
G11. SEVERABILITY
The provisions of this Permit are severable, and if any provision of this Permit, or the
application of any provision of this Permit to any circumstance, is held invalid, the
application of such provision to other circumstances, and the remainder of this Permit
shall not be affected thereby.
G12. REVOCATION OF COVERAGE
The director may terminate coverage under this General Permit in accordance with
Chapter 43.21E RCW and Chapter 173-226 WAC. Cases where coverage may be
terminated include, but are not limited to the following:
A. Violation of any term or condition of this General Permit;
B. Obtaining coverage under this General Permit by misrepresentation or failure to
disclose fully all relevant facts;
C. A change in any condition that requires either a temporary or permanent reduction
or elimination of the permitted discharge;
D. A determination that the permitted activity endangers human health or the
environment, or contributes significantly to water quality standards violations;
E. Failure or refusal of the Permittee to allow entry as required in RCW 90.48.090; and
F. Nonpayment of permit fees assessed pursuant to RCW 90.48.465.
Revocation of coverage under this General Permit may be initiated by Ecology or
requested by any interested person.
G13. TRANSFER OF COVERAGE
This Permit is not transferable to any person except after notice to the Director. The
Director may require modification or revocation and reissuance of the Permit to change
the name of the Permittee and incorporate such other requirements as may be
necessary under the Clean Water Act.
G14. GENERAL PERMIT MODIFICATION AND REVOCATION
This General Permit may be modified, revoked and reissued, or terminated in
accordance with the provisions of WAC 173-226-230. Grounds for modification,
revocation and reissuance, or termination include, but are not limited to, the following:
A. A change occurs in the technology or practices for control or abatement of
pollutants applicable to the category of dischargers covered under this General
Permit;
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General Conditions - G15
B. Effluent limitation guidelines or standards are promulgated pursuant to the CWA or
Chapter 90.48 RCW, for the category of dischargers covered under this General
Permit;
C. A water quality management plan containing requirements applicable to the
category of dischargers covered under this General Permit is approved;
D. Information is obtained which indicates that cumulative effects on the environment
from dischargers covered under this General Permit are unacceptable; or
E. Changes in state law that reference this Permit.
G15. REPORTING A CAUSE FOR MODIFICATION OR REVOCATION
A Permittee who knows or has reason to believe that any activity has occurred, or will
occur, which would constitute cause for modification or revocation and reissuance
under General Condition G12, G14, or 40 CFR 122.62 shall report such plans, or such
information, to Ecology so that a decision can be made on whether action to modify, or
revoke and reissue, this Permit will be required. Ecology may then require submission of
a new or amended application. Submission of such application does not relieve the
Permittee of the duty to comply with this Permit until it is modified or reissued.
G16. APPEALS
A. The terms and conditions of this General Permit, as they apply to the appropriate
class of dischargers, are subject to appeal within thirty days of issuance of this
General Permit in accordance with Chapter 43.21E RCW, and Chapter 173-226 WAC.
B. The terms and conditions of this General Permit, as they apply to an individual
discharger, are appealable in accordance with Chapter 43.216 RCW within thirty
days of the effective date of coverage of that discharger. Consideration of an appeal
of General Permit coverage of an individual discharger is limited to the General
Permit's applicability or non -applicability to that individual discharger.
C. The appeal of General Permit coverage of an individual discharger does not affect
any other dischargers covered under this General Permit. If the terms and conditions
of this General Permit are found to be inapplicable to any individual discharger(s),
the matter shall be remanded to Ecology for consideration of issuance of an
individual permit or permits.
D. Modifications of this Permit are appealable in accordance with Chapter 43.21E RCW
and Chapter 173-226 WAC.
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General Conditions - G17
G17. PENALTIES
40 CFR 122.41(a)(2) and (3), 40 CFR 122.41(j)(5), and 40 CFR 122.41(k)(2) are hereby
incorporated into this Permit by reference.
G18. DUTY TO REAPPLY
If the permittee wishes to continue an activity regulated by this permit after the
expiration date of this permit, the permittee shall apply for and obtain a new permit.
The Permittee shall apply for permit renewal at least 180 days prior to the specified
expiration date of this Permit.
G19. CERTIFICATION AND SIGNATURE
All formal submittals to Ecology shall be signed and certified.
A. All permit applications shall be signed by either a principal executive officer or
ranking elected official.
B. All formal submittals required by this Permit shall be signed by a person described,
above, or by a duly authorized representative of that person. A person is a duly
authorized representative only if:
1. The authorization is made in writing by a person described, above, and
submitted to Ecology; and
2. The authorization specifies either an individual or a position having responsibility
for the overall development and implementation of the stormwater
management program. A duly authorized representative may thus be either a
named individual or any individual occupying a named position.
C. Changes to authorization. If an authorization under condition G19.13.2 is no longer
accurate because a different individual or position has responsibility for the overall
development and implementation of the stormwater management program, a new
authorization satisfying the requirements of condition G19.6.2 shall be submitted to
Ecology prior to or together with any reports, information, or applications to be
signed by an authorized representative.
D. Certification. Any person signing a formal submittal under this Permit shall make the
following certification:
"I certify, under penalty of law, that this document and all attachments were
prepared under my direction or supervision in accordance with a system designed to
assure that Qualified Personnel properly gathered and evaluated the information
submitted. Based on my inquiry of the person or persons who manage the system or
those persons directly responsible for gathering information, the information
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General Conditions - G20
submitted is, to the best of my knowledge and belief, true, accurate, and complete. I
am aware that there are significant penalties for submitting false information,
including the possibility of fine and imprisonment for willful violations."
G20. NON-COMPLIANCE NOTIFICATION
In the event a Permittee is unable to comply with any of the terms and conditions of this
Permit, the Permittee shall:
A. Notify Ecology of the failure to comply with the permit terms and conditions in
writing within 30 days of becoming aware that the non-compliance has occurred.
The written notification shall include all of the following:
1. A description of the non-compliance, including dates.
2. Beginning and end dates of the non-compliance, and if the compliance has not
been corrected, the anticipated date of correction.
3. Steps taken or planned to reduce, eliminate, or prevent reoccurrence of the non-
compliance.
B. Take appropriate action to stop or correct the condition of non-compliance.
G21. UPSETS
Permittees shall meet the conditions of 40 CFR 122.41(n) regarding "Upsets." The
conditions are as follows:
A. Definition. "Upset" means an exceptional incident in which there is unintentional
and temporary noncompliance with technology -based permit effluent limitations
because of factors beyond the reasonable control of the Permittee. An upset does
not include noncompliance to the extent caused by operational error, improperly
designed treatment facilities, inadequate treatment facilities, lack of preventive
maintenance, or careless or improper operation.
B. Effect of an upset. An upset constitutes an affirmative defense to an action brought
for noncompliance with such technology -based permit effluent limitations if the
requirements of paragraph (C) of this condition are met. Any determination made
during administrative review of claims that noncompliance was caused by upset, and
before an action for noncompliance, will not constitute final administrative action
subject to judicial review.
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General Conditions - G22
C. Conditions necessary for demonstration of upset. A Permittee who wishes to
establish the affirmative defense of upset shall demonstrate, through properly
signed contemporaneous operating logs, or other relevant evidence that:
1. An upset occurred and that the Permittee can identify the cause(s) of the upset;
2. The permitted facility was at the time being properly operated;
3. The Permittee submitted notice of the upset as required in 40 CFR
122.41(I)(6)(ii)(B) (24-hour notice of noncompliance); and
4. The Permittee complied with any remedial measures required under 40 CFR
122.41(d) (Duty to Mitigate).
D. Burden of proof. Inany enforcement proceeding the Permittee seeking to establish
the occurrence of an upset has the burden of proof.
G22. DUTY TO PROVIDE INFORMATION
The Permittee shall furnish to Ecology, within a reasonable time, any information which
the Ecology may request to determine whether cause exists for modifying, revoking and
reissuing, or terminating this permit or to determine compliance with this permit. The
permittee shall also furnish to the Ecology upon request, copies of records required to
be kept by this permit.
G23. OTHER INFORMATION
Where the Permittee becomes aware that it failed to submit any relevant facts in a
permit application or submitted incorrect information in a permit application or in any
report to the Ecology, it shall promptly submit such facts or information.
G24. OTHER REQUIREMENTS OF 40 CFR
The other requirements of 40 CFR Part 122.41 and 40 CFR Part 122.42 are incorporated
in this permit by reference.
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Definitions and Acronyms
DEFINITIONS AND ACRONYMS
This Section includes definitions for terms used in the body of the Permit and in all the
appendices except Appendix 1. Terms defined in Appendix 1 are necessary to implement
requirements related to Appendix 1.
40 CFR means Title 40 of the Code of Federal Regulations, which is the codification of the
general and permanent rules published in the Federal Register by the executive departments
and agencies of the federal government.
AKART means All Known, Available, and Reasonable methods of prevention, control, and
Treatment. See also state Water Pollution Control Act, RCW 90.48.010 and RCW 90.48.520.
All Known, Available and Reasonable Methods of Prevention, Control and Treatment (AKART)
refers to the state Water Pollution Control Act, RCW 90.48.010 and RCW 90.48.520.
Applicable TMDL means a TMDL which has been approved by EPA on or before the issuance
date of this Permit, or prior to the date that Ecology issues coverage under this Permit,
whichever is later.
Aqueous Film -Forming Foam (AFFF) is a type of foam used to fight liquid -fueled fires (i.e.,
those started by oil, gasoline, or other flammable liquids).
Beneficial Uses means uses of waters of the State which include, but are not limited to: use for
domestic, stock watering, industrial, commercial, agricultural, irrigation, mining, fish and
wildlife maintenance and enhancement, recreation, generation of electric power and
preservation of environmental and aesthetic values, and all other uses compatible with the
enjoyment of the public waters of the State.
Best Management Practices are the schedules of activities, prohibitions of practices,
maintenance procedures, and structural and/or managerial practices approved by Ecology that,
when used singly or in combination, prevent or reduce the release of pollutants and other
adverse impacts to waters of Washington State.
BMP means Best Management Practice.
Bypass means the diversion of stormwater from any portion of a stormwater treatment facility.
Circuit means a portion of a MS4 discharging to a single point or serving a discrete area
determined by traffic volumes, land use, topography, or the configuration of the MS4.
Component or Program Component means an element of the Stormwater Management
Program listed in S5 - Stormwater Management Program for Cities, Towns, and Counties, S6 —
Stormwater Management Program for Secondary Permittees, S7 — Compliance with Total
Maximum Daily Load Requirements, or S8 — Monitoring and Assessment, of this Permit.
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Definitions and Acronyms
Conveyance System means that portion of the municipal separate storm sewer system
designed or used for conveying stormwater.
Co-Permittee means an owner or operator of an MS4 which is in a cooperative agreement with
at least one other applicant for coverage under this Permit. A Co-Permittee is an owner or
operator of a regulated MS4 located within or in proximity to another regulated MS4. A Co-
Permittee is only responsible for permit conditions relating to discharges from the MS4 the Co-
Permittee owns or operates. See also 40 CFR 122.26(b)(1).
CWA means the federal Clean Water Act (formerly referred to as the federal Water Pollution
Control Act or federal Water Pollution Control Act Amendments of 1972) Pub.L. 92-500, as
amended Pub. L. 95-217, Pub. L. 95-576, Pub. L. (6-483 and Pub. L. 97-117, 33 U.S.C. 1251 et
seq.).
Director means the Director of the Washington State Department of Ecology, or an authorized
representative.
Discharge Point means the location where a discharge leaves the Permittee's MS4 through the
Permittee's MS4 facilities/BMPs designed to infiltrate.
Entity means a governmental body, or a public or private organization.
EPA means the U.S. Environmental Protection Agency.
Fully Stabilized means the establishment of a permanent vegetative cover, or equivalent
permanent stabilization measures (such as riprap, gabions, or geotextiles) which prevents
erosion.
General Permit means a permit which covers multiple dischargers of a point source category
within a designated geographical area, in lieu of individual permits being issued to each
discharger.
Groundwater means water in a saturated zone or stratum beneath the surface of the land or
below a surface water body. Refer to Chapter 173-200 WAC.
Hazardous Substance means any liquid, solid, gas, or sludge, including any material, substance,
product, commodity, or waste, regardless of quantity, that exhibits any of the physical,
chemical, or biological properties described in WAC 173-303-090 or WAC 173-303-100.
Heavy Equipment Maintenance or Storage Yard means an uncovered area where any heavy
equipment, such as mowing equipment, excavators, dump trucks, backhoes, or bulldozers are
washed or maintained, or where at least five pieces of heavy equipment are stored on a long-
term basis.
Highway means a main public road connecting towns and cities.
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Definitions and Acronyms
Hydraulically Near means runoff from the site discharges to the sensitive feature without
significant natural attenuation of flows that allows for suspended solids removal. See Appendix
7- Determining Construction Site Sediment Damage Potential for a more detailed definition.
Hyperchlorinated means water that contains more than 10 mg/Liter chlorine.
Illicit Connection means any infrastructure connection to the MS4 that is not intended,
permitted or used for collecting and conveying stormwater or non-stormwater discharges
allowed as specified in this Permit (S5.C.5 and S6.D.3). Examples include sanitary sewer
connections, floor drains, channels, pipelines, conduits, inlets, or outlets that are connected
directly to the MS4.
Illicit Discharge means any discharge to a MS4 that is not composed entirely of stormwater or
of non-stormwater discharges allowed as specified in this Permit (S5.C.5 and S6.D.3).
Impervious Surface means a non -vegetated surface area that either prevents or retards the
entry of water into the soil mantle as under natural conditions prior to development. A non -
vegetated surface area which causes water to run off the surface in greater quantities or at an
increased rate of flow from the flow present under natural conditions prior to development.
Common impervious surfaces include, but are not limited to, roof tops, walkways, patios,
driveways, parking lots or stormwater areas, concrete or asphalt paving, gravel roads, packed
earthen materials, and oiled, macadam or other surfaces which similarly impede the natural
infiltration of stormwater.
Land Disturbing Activity means any activity that results in a change in the existing soil cover
(both vegetative and non -vegetative) and/or the existing soil topography. Land disturbing
activities include, but are not limited to clearing, grading, filling and excavation. Compaction
that is associated with stabilization of structures and road construction shall also be considered
land disturbing activity. Vegetation maintenance practices, including landscape maintenance
and gardening, are not considered land disturbing activity. Stormwater facility maintenance is
not considered land disturbing activity if conducted according to established standards and
procedures.
LID means Low Impact Development.
LID BMP means Low Impact Development Best Management Practices.
LID Principles means land use management strategies that emphasize conservation, use of on -
site natural features, and site planning to minimize impervious surfaces, native vegetation loss,
and stormwater runoff.
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Definitions and Acronyms
Low Impact Development (LID) means a stormwater and land use management strategy that
strives to mimic pre -disturbance hydrologic processes of infiltration, filtration, storage,
evaporation and transpiration by emphasizing conservation, use of on -site natural features, site
planning, and distributed stormwater management practices that are integrated into a project
design.
Low Impact Development Best Management Practices (LID BMP) means distributed
stormwater management practices, integrated into a project design, that emphasize pre -
disturbance hydrologic processes of infiltration, filtration, storage, evaporation and
transpiration. LID BMPs include, but are not limited to, bioretention, rain gardens, permeable
pavements, roof downspout controls, dispersion, soil quality and depth, vegetated roofs,
minimum excavation foundations, and water re -use.
Material Storage Facilities means an uncovered area where bulk materials (liquid, solid,
granular, etc.) are stored in piles, barrels, tanks, bins, crates, or other means.
Maximum Extent Practicable refers to paragraph 402(p)(3)(B)(iii) of the federal Clean Water
Act which reads as follows: Permits for discharges from municipal storm sewers shall require
controls to reduce the discharge of pollutants to the maximum extent practicable, including
management practices, control techniques, and system, design, and engineering methods, and
other such provisions as the Administrator or the State determines appropriate for the control
of such pollutants.
MEP means Maximum Extent Practicable.
MS4 means Municipal Separate Storm Sewer System.
Municipal Separate Storm Sewer System means a conveyance, or system of conveyances
(including roads with drainage systems, municipal streets, catch basins, curbs, gutters, ditches,
manmade channels, or storm drains):
1. Owned or operated by a state, city, town, borough, county, parish, district,
association, or other public body (created by or pursuant to state law) having
jurisdiction over disposal of wastes, stormwater, or other wastes, including special
districts under State law such as a sewer district, flood control district or drainage
district, or similar entity, or an Indian tribe or an authorized Indian tribal
organization, or a designated and approved management agency under Section 208
of the CWA that discharges to waters of Washington State.
2. Designed or used for collecting or conveying stormwater.
3. Which is not a combined sewer.
4. Which is not part of a Publicly Owned Treatment Works (POTW) as defined at 40 CFR
122.2.
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Definitions and Acronyms
5. Which is defined as "large" or "medium" or "small" or otherwise designated by
Ecology pursuant to 40 CFR 122.26.
National Pollutant Discharge Elimination System means the national program for issuing,
modifying, revoking, and reissuing, terminating, monitoring and enforcing permits, and
imposing and enforcing pretreatment requirements, under Sections 307, 402, 318, and 405 of
the federal Clean Water Act, for the discharge of pollutants to surface waters of the State from
point sources. These permits are referred to as NPDES permits and, in Washington State, are
administered by the Washington State Department of Ecology.
Native Vegetation means vegetation comprised of plant species, other than noxious weeds,
that are indigenous to the coastal region of the Pacific Northwest, and which reasonably could
have been expected to naturally occur on the site. Examples include trees such as Douglas Fir,
western hemlock, western red cedar, alder, big -leaf maple; shrubs such as willow, elderberry,
salmonberry, and salal; and herbaceous plants such as sword fern, foam flower, and fireweed.
New Development means land disturbing activities, including Class IV General Forest Practices
that are conversions from timber land to other uses; structural development, including
construction or installation of a building or other structure; creation of hard surfaces; and
subdivision, short subdivision and binding site plans, as defined and applied in Chapter 58.17
RCW. Projects meeting the definition of redevelopment shall not be considered new
development. Refer to Appendix 1 for a definition of hard surfaces.
New Permittee means a city, town, or county that is subject to the Western Washington
Municipal Stormwater General Permit and was not subject to the permit prior to August 1,
2024.
New Secondary Permittee means a Secondary Permittee that is covered under a Municipal
Stormwater General Permit and was not covered by the permit prior to August 1, 2024.
NO[ means Notice of Intent.
Notice of Intent (NOI) means the application for, or a request for coverage under, a General
Permit pursuant to WAC 173-226-200.
Notice of Intent for Construction Activity means the application form for coverage under the
Construction Stormwater General Permit.
Notice of Intent for Industrial Activity means the application form for coverage under the
Industrial Stormwater General Permit.
NPDES means National Pollutant Discharge Elimination System.
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Definitions and Acronyms
Outfall means a point source as defined by 40 CFR 122.2 at the point where a discharge leaves
the Permittee's MS4 and enters a surface receiving waterbody or surface receiving waters.
Outfall does not include pipes, tunnels, or other conveyances which connect segments of the
same stream or other surface waters and are used to convey primarily surface waters (i.e.,
culverts).
Overburdened Community means a geographic area where vulnerable populations face
combined, multiple environmental harms and health impacts, and includes, but is not limited
to, highly impacted communities.
"Vulnerable populations" means population groups that are more likely to be at higher
risk for poor health outcomes in response to environmental harms, due to:
(i) Adverse socioeconomic factors, such as unemployment, high housing and
transportation costs relative to income, limited access to nutritious food and
adequate health care, linguistic isolation, and other factors that negatively affect
health outcomes and increase vulnerability to the effects of environmental
harms; and
(ii) Sensitivity factors, such as low birth weight and higher rates of hospitalization.
"Vulnerable populations" includes, but is not limited to:
• Racial or ethnic minorities;
• Low-income populations;
• Populations disproportionately impacted by environmental harms; and
• Populations of workers experiencing environmental harms.
"Highly impacted community" means a community designated by the Department of
Health based on cumulative impact analyses or a community located in census tracts
that are fully or partially on "Indian country" as defined in 18 U.S.C. Sec. 1151.
PCBs means Polychlorinated biphenyls.
Permittee unless otherwise noted, the term "Permittee" includes city, town, or county
Permittee, Co-Permittee, New Permittee, Secondary Permittee, and New Secondary Permittee.
PFAS means Per and Polyfluoroalkyl Substances
Physically Interconnected means that one MS4 is connected to another storm sewer system in
such a way that it allows for direct discharges to the second system. For example, the roads
with drainage systems and municipal streets of one entity are physically connected directly to a
storm sewer system belonging to another entity.
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Definitions and Acronyms
Project site means that portion of a property, properties, or rights -of -way subject to land
disturbing activities, new hard surfaces, or replaced hard surfaces. Refer to Appendix 1 for a
definition of hard surfaces.
QAPP means Quality Assurance Project Plan.
Qualified Personnel means someone who has professional training in the aspects of
stormwater management for which they are responsible and are under the functional control
of the Permittee. Qualified Personnel may be staff members, contractors, or trained volunteers
with professional certification. Permittees may train and certify volunteers.
Qualified Third Party means someone who has professional training in the aspects of
stormwater management for which they are responsible but are hired by private entities and
not under the functional control of the Permittee. Qualified Third Parties may be contractors,
or consultants.
Quality Assurance Project Plan means a document that describes the objectives of an
environmental study and the procedures to be followed to achieve those objectives.
RCW means the Revised Code of Washington State.
Receiving Waterbody or Receiving Waters means naturally and/or reconstructed naturally
occurring surface water bodies, such as creeks, streams, rivers, lakes, wetlands, estuaries, and
marine waters, or groundwater, to which a MS4 discharges.
Reclaimed water means water derived in any part from a wastewater with a domestic
wastewater component that has been adequately and reliably treated to meet the
requirements of Chapter 173-219 WAC, so that it can be used for beneficial purposes.
Reclaimed water is not considered a wastewater.
Redevelopment means, on a site that is already substantially developed (i.e., has 35% or more
of existing hard surface coverage), the creation or addition of hard surfaces; the expansion of a
building footprint or addition or replacement of a structure; structural development including
construction, installation or expansion of a building or other structure; replacement of hard
surface that is not part of a routine maintenance activity; and land disturbing activities. Refer to
Appendix 1 for a definition of hard surfaces.
Regulated Small Municipal Separate Storm Sewer System means a Municipal Separate Storm
Sewer System which is automatically designated for inclusion in the Phase II stormwater
permitting program by its location within an Urban Area, or by designation by Ecology and is
not eligible for a waiver or exemption under S1.C.
Runoff is water that travels across the land surface and discharges to water bodies either
directly or through a collection and conveyance system. See also "Stormwater."
SAM means Stormwater Action Monitoring.
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Definitions and Acronyms
Secondary Permittee is an operator of a regulated small MS4 which is not a city, town or
county. Secondary Permittees include special purpose districts and other public entities that
meet the criteria in S1.B.
Sediment/Erosion-Sensitive Feature means an area subject to significant degradation due to
the effects of construction runoff, or areas requiring special protection to prevent erosion. See
Appendix 7 Determining Construction Site Sediment Damage Potential for a more detailed
definition.
Shared Water Bodies means water bodies, including downstream segments, lakes and
estuaries that receive discharges from more than one Permittee.
Significant Contributor means a discharge that contributes a loading of pollutants considered
to be sufficient to cause or exacerbate the deterioration of receiving water quality or instream
habitat conditions.
Small Municipal Separate Storm Sewer System means an MS4 that is not defined as "large" or
"medium" pursuant to 40 CFR 122.26(b)(4) & (7) or designated under 40 CFR 122.26 (a)(1)(v).
Source Control BMP means a structure or operation that is intended to prevent pollutants from
coming into contact with stormwater through physical separation of areas or careful
management of activities that are sources of pollutants. The SWMMWW separates source
control BMPs into two types. Structural Source Control BMPs are physical, structural, or
mechanical devices, or facilities, that are intended to prevent pollutants from entering
stormwater. Operational BMPs are non-structural practices that prevent or reduce pollutants
from entering stormwater.
Stormwater means runoff during and following precipitation and snowmelt events, including
surface runoff, drainage or interflow.
Stormwater Action Monitoring (SAM) is the regional stormwater monitoring program for
Washington State. This means a stormwater-focused monitoring and assessment program
consisting of these components: status and trends monitoring in small streams and marine
nearshore areas, stormwater management program effectiveness studies, and source
identification projects. The priorities and scope for SAM are set by a formal stakeholder group
that selects the studies and oversees the program's administration.
Stormwater Associated with Industrial and Construction Activity means the discharge from
any conveyance which is used for collecting and conveying stormwater, which is directly related
to manufacturing, processing, or raw materials storage areas at an industrial plant, or
associated with clearing, grading and/or excavation, and is required to have an NPDES permit in
accordance with 40 CFR 122.26.
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Definitions and Acronyms
Stormwater Facility Retrofits means both: projects that retrofit existing treatment and/or flow
control facilities; and new flow control or treatment facilities or BMPs that will address impacts
from existing development.
Stormwater Management Program (SWMP) means a set of actions and activities designed to
reduce the discharge of pollutants from the MS4 to the MEP and to protect water quality, and
comprising the components listed in S5 (for cities, towns, and counties) or S6 (for Secondary
Permittees) of this Permit and any additional actions necessary to meet the requirements of
applicable TMDLs pursuant to S7 —Compliance with TMDL Requirements, and S8— Monitoring
and Assessment.
Stormwater Treatment and Flow Control BMPs/Facilities means detention facilities,
permanent treatment BMPs/facilities; and bioretention, vegetated roofs, and permeable
pavements that help meet Appendix 1 Minimum Requirements #6 (treatment), #7 (flow
control), or both.
Surface Waters includes lakes, rivers, ponds, streams, inland waters, salt waters, and all other
surface waters and water courses within the jurisdiction of the State of Washington.
SWMMWW or Stormwater Management Manual for Western Washington means the
technical manual published by the Department of Ecology in 2024 (Publication No. 24-10-013,
2024).
SWMP means Stormwater Management Program.
TMDL means Total Maximum Daily Load.
Total Maximum Daily Load (TMDL) means a water cleanup plan. A TMDL is a calculation of the
maximum amount of a pollutant that a water body can receive and still meet water quality
standards, and an allocation of that amount to the pollutant's sources. A TMDL is the sum of
the allowable loads of a single pollutant from all contributing point and nonpoint sources. The
calculation must include a margin of safety to ensure that the water body can be used for the
purposes the state has designated. The calculation must also account for seasonable variation
in water quality. Water quality standards are set by states, territories, and tribes. They identify
the uses for each water body, for example, drinking water supply, contact recreation
(swimming), and aquatic life support (fishing), and the scientific criteria to support that use. The
Clean Water Act, Section 303, establishes the water quality standards and TMDL programs.
Tributary Conveyance means pipes, ditches, catch basins, and inlets owned or operated by the
Permittee and designed or used for collecting and conveying stormwater.
UGA means Urban Growth Area.
Urban Growth Area (UGA) means those areas designated by a county pursuant to RCW
36.70A.110.
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Definitions and Acronyms
Urban Area means urban areas with a population of 50,000 or more people. Urban Areas are
designated by the U.S. Census Bureau based on the most recent decennial census.
Vehicle Maintenance or Storage Facility means an uncovered area where any vehicles are
regularly washed or maintained, or where at least 10 vehicles are stored.
Water Quality Standards means Surface Water Quality Standards, Chapter 173-2O1A WAC,
Groundwater Quality Standards, Chapter 173-200 WAC, and Sediment Management Standards,
Chapter 173-204 WAC.
Waters of the State includes those waters as defined as "waters of the United States" in 40 CFR
Subpart 122.2 within the geographic boundaries of Washington State and "waters of the State"
as defined in Chapter 90.48 RCW which includes lakes, rivers, ponds, streams, inland waters,
underground waters, salt waters and all other surface waters and water courses within the
jurisdiction of the State of Washington.
Waters of the United States refers to the definition in 40 CFR 122.2.
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Errata for 2024-2029 Municipal
DEPARTMENT OF Stormwate r Permits
ECOLOGY ---------- --- - -----------
State of Washington
Permits Issued on July 1, 2024 1 Effective August 1, 2024
Phase I, and WWA Phase II Permit:
Appendix 11 was missing the label for Mount Vernon on page 3, in the row that displayed their
population and costs for SAM contributions. The appendix was updated to include the city's name for
clarity.
EWA Phase II Permit:
Appendix 8 was missing the label for Mount Vernon on page 4, in the row that displayed their
population and costs for SAM contributions. The appendix was updated to include the city's name for
clarity.
WWA Phase II Permit:
• Permit section S5.C.8.c and S5.C.8.d.v reference to "S5.C.8.a.i." should reference "S5.C.8.b."
• Permit Section S5.C.7.e refers to "(e.g.2029-2032)" this should reference "(e.g. 2029-2034)."
• Appendix 3, Question 31 references "(S5.C.2.b.iv)" this should be "(S5.C.4.b.iv)."
Issued 7/3/24; 7/17/24
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APPENDIX 1 - Minimum Technical Requirements for New
Development and Redevelopment
Section 1. Exemptions
The purpose of this section is to identify activities whose resulting surfaces may be
considered "exempt" from the Minimum Requirements, even though those surfaces,
per the definitions in Section 2. Definitions Related to Minimum Requirements, would
be considered replaced hard surfaces or land disturbed.
Unless otherwise indicated in this section, the surfaces that result from the activities
described below are exempt from the Minimum Requirements. Exempt surfaces do not
need to be included when evaluating the Project Level Thresholds or TDA Level
Thresholds as described in Section 3. Applicability of the Minimum Requirements.
The following list further defines how these exemptions may be used:
• A project may combine different types of exempt activities. If the project includes
only exempt activities, then the whole project is exempt.
• If the "exempt" activity is part of, directly related to, or caused by a new
development or redevelopment project, then it is not considered an exempt
activity. It is considered part of the new development or redevelopment project.
If an exempt activity requires making an ADA update per the federal Americans
with Disabilities Act requirements, then the ADA update is considered part of the
exempt activity, and the exemption applies to the surfaces disturbed for the ADA
update. Note that this exemption does not extend to additional work, such as
extending a sidewalk beyond what is necessary for the ADA update.
Forest Practice Activities
Forest practices regulated under Title 222 WAC, except for Class IV -General forest
practices that are conversions from timberland to other uses, are exempt from the
provisions of the Minimum Requirements.
Commercial Agriculture Activities
Commercial agriculture activities involving working the land for production are generally
exempt. However, the conversion from timberland to agriculture, and the construction
of impervious surfaces are not exempt.
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Oil and Gas Field Activities
Construction of drilling sites, waste management pits, and access roads, as well as
construction of transportation and treatment infrastructure such as pipelines, natural
gas treatment plants, natural gas pipeline compressor stations, and crude oil pumping
stations are exempt. Operators are encouraged to implement and maintain Best
Management Practices (BMPs) to minimize erosion and control sediment during and
after construction activities to help ensure protection of surface water quality during
storm events.
Pavement Maintenance Activities
Pavement maintenance activities include only targeted pavement repairs or
maintenance. The limits of the exempt surfaces include only the area that must be
disturbed to repair or maintain the pavement.
Pavement maintenance activities do not:
• change the characteristics of a roadway (e.g. changing a four-way intersection to a
roundabout).
• increase the traffic capacity of a roadway or parking area (e.g. include restriping
to add lanes or parking spaces).
• expand the area of coverage (i.e. add new hard surfaces).
The following pavement maintenance activities are exempt from all Minimum
Requirements:
• pothole patching, square cut patching, or other targeted preservation work,
• overlaying (including grinding and overlaying, so long as base course is not
exposed) existing asphalt or concrete pavement. Examples of overlay materials
include bituminous surface treatment (BST or "chip seal"), asphalt, or concrete,
• shoulder grading,
• reshaping/regrading drainage systems (including adding curb/gutter and/or
wedge curbs),
• crack sealing, and
• vegetation maintenance associated with the road right-of-way.
The following are not pavement maintenance activities, and are not exempt:
Removing and replacing a pavement to base course or lower, or repairing the
pavement base (except for pothole or square cut patching): These are considered
replaced hard surfaces.
• Extending the pavement edge, or paving graveled shoulders: These are
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considered new hard surfaces.
Upgrading from dirt to gravel, a bituminous surface treatment ("chip seal"),
asphalt, concrete, or permeable pavement; upgrading from gravel to chip seal,
asphalt, concrete, or permeable pavement; or upgrading from chip seal to
asphalt, concrete, or permeable pavement: These are considered new hard
surfaces.
Underground Utility Activities
Underground utility activities include installing, maintaining, and/or upgrading an
underground utility. The limits of the exempt surfaces include only the area disturbed by
the trench work necessary for the underground utility work (including any over -
excavating necessary for the utility trench).
For an underground utility activity to be exempt, it cannot be part of, directly related to,
or caused by a new development or redevelopment project.
Underground utility activities must replace the ground surface with in -kind material or
materials with similar runoff characteristics.
Underground utility activities are subject to only 4.2 Minimum Requirement #2:
Construction Stormwater Pollution Prevention Plan (SWPPP).
Section 2. Definitions Related to Minimum Requirements
ADT
Average Daily Traffic
Arterial
A road or street primarily for through traffic. The term generally includes roads or
streets considered collectors. It does not include local access roads which are
generally limited to providing access to abutting property. See also RCW 35.78.010,
RCW 36.86.070, and RCW 47.05.021.
Bioretention BMPs
Engineered stormwater facilities that provide Runoff Treatment by passing the
stormwater through a specified soil profile (Bioretention Soil Mix, or BSM), and
typically either retain or detain the treated stormwater for Flow Control.
Bioretention facilities include a variety of plant material including trees, shrubs,
grasses, and/or other herbaceous plants adapted to the local climate and soil
moisture conditions. Bioretention is typically implemented as an LID practice, and
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as such is typically sited to receive stormwater runoff from a small contributing
area.
Certified Erosion and Sediment Control Lead (CESCL)
An individual who has current certification through an approved erosion and
sediment control training program that meets the minimum training standards
established by Ecology (see BMP C160: Certified Erosion and Sediment Control
Lead). A CESCL is knowledgeable in the principles and practices of erosion and
sediment control. The CESCL must have the skills to assess site conditions and
construction activities that could impact the quality of stormwater and, the
effectiveness of erosion and sediment control measures used to control the quality
of stormwater discharges. Certification is obtained through an Ecology approved
erosion and sediment control course. Course listings are provided online at
Ecology's website.
Commercial agriculture
Those activities conducted on lands defined in RCW 84.34.020(2), and activities
involved in the production of crops or livestock for commercial trade. An activity
ceases to be considered commercial agriculture when the area on which it is
conducted is proposed for conversion to a nonagricultural use or has lain idle for
more than five years, unless the idle land is registered in a federal or state soils
conservation program, or unless the activity is maintenance of irrigation ditches,
laterals, canals, or drainage ditches related to an existing and ongoing agricultural
activity.
Common plan of development or sale
A site where multiple separate and distinct construction activities may be taking
place at different times on different schedules and/or by different contractors, but
still under a single plan. Examples include:
1. phased projects and projects with multiple filings or lots, even if the separate
phases or filings/lots will be constructed under separate contract or by separate
owners (e.g. a development where lots are sold to separate builders);
2. a development plan that may be phased over multiple years, but is still under a
consistent plan for long-term development;
3. projects in a contiguous area that may be unrelated but still under the same
contract, such as construction of a building extension and a new parking lot at the
same facility; and
4. linear projects such as roads, pipelines, or utilities.
If the project is part of a common plan of development or sale, the disturbed area
of the entire plan must be used in determining permit requirements.
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Converted vegetation (areas)
The surfaces on a project site where native vegetation, pasture, scrub/shrub, or
unmaintained non-native vegetation (e.g., Himalayan blackberry, scotch broom) are
converted to lawn or landscaped areas, or where native vegetation is converted to
pasture.
Effective impervious surface
Those impervious surfaces that are connected via sheet flow or discrete
conveyance to a drainage system. Impervious surfaces are considered ineffective if:
1. the runoff is fully dispersed in accordance with BMP T5.30: Full Dispersion;
2. residential roof runoff is infiltrated in accordance with BMP T5.10A: Downspout
Full Infiltration; or
3. all runoff from the impervious surface is infiltrated (i.e. approved continuous
runoff modeling methods indicate that the entire runoff file is infiltrated).
Erodible or leachable materials
Wastes, chemicals, or other substances that measurably alter the physical or
chemical characteristics of runoff when exposed to rainfall. Examples include
erodible soils that are stockpiled, uncovered process wastes, manure, fertilizers,
oily substances, ashes, kiln dust, and garbage dumpster leakage.
Hard surface
An impervious surface, a permeable pavement, or a vegetated roof.
Highway
A main public road connecting towns and cities
Impervious surface
A surface area which either prevents or retards the entry of water into the soil
mantle as under natural conditions prior to development. A surface area which
causes water to run off the surface in greater quantities or at an increased rate of
flow from the flow present under natural conditions prior to development.
Common impervious surfaces include, but are not limited to, roof tops, walkways,
patios, driveways, parking lots or storage areas, concrete or asphalt paving, gravel
roads, packed earthen materials, and oiled, macadam or other surfaces which
similarly impede the natural infiltration of stormwater.
• For purposes of determining whether the thresholds for application of Minimum
Requirements are exceeded, open, uncovered retention or detention BMPs shall
not be considered as impervious surfaces. Open, uncovered retention or
detention BMPs shall be considered impervious surfaces for the purposes of
runoff modeling.
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• When an underdrain (not intended to infiltrate) is used below an artificial turf
surface, that surface shall be considered (and modeled) as impervious surface.
Land disturbing activity
Any activity that results in a change in the existing soil cover (both vegetative and
nonvegetative) and/or the existing soil topography. Land disturbing activities
include, but are not limited to clearing, grading, filling, and excavation. Compaction
that is associated with stabilization of structures and road construction shall also be
considered a land disturbing activity. Vegetation maintenance practices, including
landscape maintenance and gardening, are not considered land -disturbing activity.
Stormwater facility maintenance is not considered land disturbing activity if
conducted according to established standards and procedures.
Low impact development (LID)
A stormwater and land use management strategy that strives to mimic pre -
disturbance hydrologic processes of infiltration, filtration, storage, evaporation, and
transpiration by emphasizing conservation, use of on -site natural features, site
planning, and distributed Stormwater management practices that are integrated
into a project design.
Low Impact Development Best Management Practices (LID BMPs)
Distributed stormwater management practices, integrated into a project design,
that emphasize pre -disturbance hydrologic processes of infiltration, filtration,
storage, evaporation, and transpiration. LID BMPs include, but are not limited to:
• BMP T7.30: Bioretention,
• BMP T5.14: Rain Gardens,
• BMP T5.15: Permeable Pavements,
• BMP T5.10A: Downspout Full Infiltration,
• BMP T5.1013: Downspout Dispersion Systems,
• BMP T5.10C: Perforated Stub -out Connections
• BMP T5.30: Full Dispersion,
• BMP T5.13: Post -Construction Soil Quality and Depth,
• BMP T5.19: Minimal Excavation Foundations,
• BMP T5.17: Vegetated Roofs, and
• BMP T5.20: Rainwater Harvesting.
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Low Impact Development (LID) Principles
Land use management strategies that emphasize conservation, use of on -site
natural features, and site planning to minimize impervious surfaces, native
vegetation loss, and stormwater runoff.
Maintenance
Repair and maintenance includes activities conducted on currently serviceable
structures, facilities, and equipment that involves no expansion or use beyond that
previously existing and results in no significant adverse hydrologic impact. It
includes those usual activities taken to prevent a decline, lapse, or cessation in the
use of structures and systems. Those usual activities may include replacement of
dysfunctional facilities, including cases where environmental permits require
replacing an existing structure with a different type of structure, if the functioning
characteristics of the original structure are not changed. One example is the
replacement of a collapsed, fish blocking, round culvert with a new box culvert
under the same span, or width, of roadway. Regarding stormwater facilities,
maintenance includes assessment to ensure ongoing proper operation, removal of
built-up pollutants (i.e. sediments), replacement of failed or failing treatment
media, and other actions taken to correct defects as identified in the BMP design
guidance within Volume V of the SWMMWW. See also Pavement Maintenance
exemptions in Section 1. Exemptions.
Native vegetation
Vegetation comprised of plant species, other than noxious weeds, that are
indigenous to the coastal region of the Pacific Northwest and which reasonably
could have been expected to naturally occur on the site. Examples include trees
such as Douglas fir, western hemlock, western red cedar, alder, big -leaf maple, and
vine maple; shrubs such as willow, elderberry, salmonberry and salal; and
herbaceous plants such as sword fern, foam flower, and fireweed.
New development
Land disturbing activities, including Class IV -general forest practices that are
conversions from timberland to other uses; structural development, including
construction or installation of a building or other structure; creation of hard
surfaces; and subdivision, short subdivision and binding site plans, as defined and
applied in Chapter 58.17 RCW. Projects meeting the definition of redevelopment
shall not be considered new development.
Appendix 1 - Minimum Technical Requirements for New Development and Redevelopment
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New hard surface
A surface that is:
• upgraded from dirt to gravel, a bituminous surface treatment ("chip seal"),
asphalt, concrete, permeable pavement, a structure with a vegetated roof, or an
impervious structure; or
• upgraded from gravel to chip seal, asphalt, concrete, permeable pavement, a
structure with a vegetated roof, or an impervious structure; or
• upgraded from chip seal to asphalt, concrete, permeable pavement, a structure
with a vegetated roof, or an impervious structure.
Note that if asphalt or concrete has been overlaid by a chip seal, the existing
condition should be considered as asphalt or concrete.
New impervious surface
A surface that is:
• changed from a pervious surface to an impervious surface (e.g. resurfacing by
upgrading from dirt to gravel, a bituminous surface treatment ("chip seal"),
asphalt, concrete, or an impervious structure); or
• upgraded from gravel to chip seal, asphalt, concrete, or an impervious structure;
or
• upgraded from chip seal to asphalt, concrete, or an impervious structure.
Note that if asphalt or concrete has been overlaid by a chip seal, the existing
condition should be considered as asphalt or concrete.
On -site stormwater management BMPs
Development and mitigation techniques that serve to infiltrate, disperse, and retain
stormwater runoff on a project site. As used in this appendix, a synonym for Low
Impact Development BMPs.
Permeable pavement
Pervious concrete, porous asphalt, permeable pavers, or other forms of pervious or
porous paving material intended to allow passage of water through the pavement
section. It often includes an aggregate base that provides structural support and
acts as a stormwater reservoir.
Pervious surface
Any surface material that allows stormwater to infiltrate into the ground. Examples
include lawn, landscape, pasture, native vegetation areas, and permeable
pavements.
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Municipal Stormwater Permit
Pollution -generating hard surface (PGHS)
Those hard surfaces considered to be a significant source of pollutants in
Stormwater runoff. See the listing of surfaces under pollution -generating
impervious surface.
Pollution -generating impervious surface (PGIS)
Those impervious surfaces considered to be a significant source of pollutants in
stormwater runoff. Such surfaces include those which are subject to any of the
following:
• vehicular use (as further defined in this section).
• industrial activities (as further defined in the glossary of the SWMMWW).
• storage of erodible or leachable materials, wastes, or chemicals, and which
receive direct rainfall or the run-on or blow-in of rainfall.
• metal roofs unless they are coated with an inert, non -leachable material (e.g.
baked -on enamel coating).
• roofs that are subject to venting significant amounts of dusts, mists, or fumes
from manufacturing, commercial, or other indoor activities.
Pollution -generating pervious surface (PGPS)
Any pervious surface subject to any of the following:
• vehicular use (as further defined in this glossary).
• industrial activities (as further defined in the glossary of the SWMMWW).
• storage of erodible or leachable materials, wastes or chemicals, and that receive
direct rainfall or run-on or blow-in of rainfall.
• use of pesticides and fertilizers.
• loss of soil.
Artificial turf is also considered to be PGPS.
Typical PGPS include permeable pavement subject to vehicular use, lawns and
landscaped areas including: golf courses, parks, cemeteries, and sports fields
(natural and artificial turf).
Pre -developed condition
The native vegetation and soils that existed at a site prior to the influence of Euro-
American settlement. The pre -developed condition shall be assumed to be forested
land cover unless reasonable, historic information is provided that indicates the site
was prairie prior to settlement.
Appendix 1 - Minimum Technical Requirements for New Development and Redevelopment
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Municipal Stormwater Permit
Project
Any proposed action to alter or develop a site; or the proposed action of a permit
application or an approval that requires drainage review.
Project site
That portion of a property, properties, and right-of-way subject to land disturbing
activities, new hard surfaces, or replaced hard surfaces.
Rain garden
A non -engineered shallow landscaped depression, with compost -amended native
soils and adapted plants. The depression is designed to pond and temporarily store
stormwater runoff from adjacent areas, and to allow stormwater to pass through
the amended soil profile. See BMP T5.14: Rain Gardens.
Receiving waterbody or receiving waters
Naturally and/or reconstructed naturally occurring surface water bodies, such as
creeks, streams, rivers, lakes, wetlands, estuaries, and marine waters, or
groundwater, to which a MS4 discharges.
Redevelopment
On a site that is already substantially developed (i.e. has 3S% or more of existing
hard surface coverage), the creation or addition of hard surfaces; the expansion of
a building footprint or addition or replacement of a structure; structural
development including construction, installation, or expansion of a building or
other structure; replacement of hard surface that is not part of a routine
maintenance activity; and land disturbing activities.
Replaced hard surface
For structures, the removal down to (i.e. exposing the top of) the foundation and
replacement. For other hard surfaces, the removal down to (i.e. exposing the top
of) bare soil or base course and replacement.
Replaced impervious surface
Site
For structures, the removal down to (i.e. exposing the top of) the foundation and
replacement. For other impervious surfaces, the removal down to (i.e. exposing the
top of) bare soil or base course and replacement.
The area defined by the legal boundaries of a parcel or parcels of land that is (are)
subject to new development or redevelopment. For road projects, the length of the
project site and the right-of-way boundaries define the site.
Appendix 1 - Minimum Technical Requirements for New Development and Redevelopment
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Phase I and Western Washington Phase 11
Municipal Stormwater Permit
A Site may include multiple parcels and/or sections of right-of-way, if multiple
parcels and/or sections of right-of-way are subject to the new development or
redevelopment project.
Source control BMP
A structure or operation intended to prevent pollutants from coming into contact
with stormwater through physical separation of areas or careful management of
activities that are sources of pollutants. The SWMMWW separates source control
BMPs into two types: structural and operational.
• Structural Source Control BMPs are physical, structural, or mechanical devices or
facilities that are intended to prevent pollutants from entering stormwater.
• Operational Source Control BMPs are non-structural practices that prevent or
reduce pollutants from entering stormwater.
Threshold Discharge Area
An area within a project site draining to a single natural discharge location or
multiple natural discharge locations that combine within one -quarter mile
downstream (as determined by the shortest flowpath). The examples in Figure 1:
Example TDA Delineations below illustrate this definition. The purpose of this
definition is to clarify how the thresholds of this appendix are applied to project
sites with multiple discharge points.
If the project site does not currently discharge at the natural location and is such
that it is impractical (as determined by the local jurisdiction) to return the discharge
to the natural location, then the TDA delineation would be based on the
discharge(s) at the existing location(s). An example of this case is a site in an ultra -
urban environment, where fully built -out conveyance systems exist and are not in
the natural (i.e. historic) locations.
Appendix 1 - Minimum Technical Requirements for New Development and Redevelopment
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Municipal Stormwater Permit
Figure 1: Example TDA Delineations
xan-plu of a Projocl Silo
vAh a single na,t.ral
discharge and a sin-gle TDA
Sing le �.
TDA y.
Nfrtu•al
Ci3LtlAf()e
�sJ.9lion
l/.
Ex;ztnplu o1 a Project Situ Exemplo of a Prujuu Site with
wth mltiple natural multiple iahiral fi5rhsrges am
discharges and a singlo-Dry. multiple TDAs
Sptyte r�II -I L7P , 70A
TDA
41.
4 {
Natural Natural J, i
Groalc• Thar' - ` disehargei rtischargs ' ?
V-1 mi F. locatlons ` I 1r4 mitt ., `. Ixa6ans V4 n*5
"r4 mils ,
Fxamp'= of a r iar1 prnjert wi-h mul iple
discharrge points and a sl lgle TDA
e a %
J � � � I L� ! rce� • �+� I f�
I
Wnha P. t''i R'Ilf3
I R1 1r'•1 r•�ils
location
Because the right -most d,cchame
connects to the other tvo discharge Hour
Ixvths tvkhin- mile, all arras are
connec;ec as one TDA.
Fxamnle of a road atone with rnulriple
dischargo points and muifiple TDAs.
Note Shaded
1
areijs ruprL- :j it
Discharge
V4 n-Ile
thr limits of tha
localrou
—_ —
arniectsite,
IA rma' _
j
NOT TO AI. SG
Example TDA Delineations
DFPARTI0FNT OF
ECOLOGY
State of A'ashiigton
Revised f-Aarch2018
Appendix 1 - Minimum Technical Requirements for New Development and Redevelopment
August 1, 2024 Page 12 of 49
Page 266 of 769
Phase I and Western Washington Phase 11
Municipal Stormwater Permit
Vehicular use
Regular use of an impervious or pervious surface by motor vehicles. The following
are subject to regular vehicular use:
• roads,
• un-vegetated road shoulders,
• bike lanes within the traveled lane of a roadway,
• driveways,
• parking lots,
• unrestricted access fire lanes,
• vehicular equipment storage yards,
• railway lines, including light rail elevated and non -elevated guideways/tracks, and
• airport runways and other surfaces intended for movement and/or storage of
aircraft.
The following are not considered subject to regular vehicular use:
• sidewalks not subject to drainage from roads for motor vehicles,
• paved bicycle pathways separated from and not subject to drainage from roads
for motor vehicles,
• restricted access fire lanes, and
• infrequently used maintenance access roads.
Wetlands
Those areas that are inundated or saturated by surface or groundwater at a
frequency and duration sufficient to support, and that under normal circumstances
do support, a prevalence of vegetation typically adapted for life in saturated soil
conditions. Wetlands generally include swamps, marshes, bogs, and similar areas.
Wetlands do not include those artificial wetlands intentionally created from non -
wetland sites, including, but not limited to, irrigation and drainage ditches, grass -
lined swales, canals, detention facilities, wastewater treatment facilities, farm
ponds, and landscape amenities, or those wetlands created after July 1, 1990, that
were unintentionally created as a result of the construction of a road, street, or
highway. Wetlands may include those artificial wetlands intentionally created from
non -wetland areas to mitigate the conversion of wetlands.
Appendix 1 - Minimum Technical Requirements for New Development and Redevelopment
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Phase 1 and Western Washington Phase 11
Municipal Stormwater Permit
Section 3. Applicability of the Minimum Requirements
3.1 Minimum Requirement Thresholds
Not all the Minimum Requirements apply to every new development or redevelopment
project. The applicability varies depending on the project type and size. This section
identifies thresholds that determine the applicability of the Minimum Requirements to
projects. Use the flow charts in Figure 2: Flow Chart for Determining Whether the
Permittee Must Regulate the Project, Figure 3: Flow Chart for Determining
Requirements for New Development, and Figure 4: Flow Chart for Determining
Requirements for Redevelopment to determine which of the Minimum Requirements
apply. The Minimum Requirements themselves are presented in Section 4. Minimum
Requirements.
Use the thresholds in sections 3.2 and 3.3 at the time of application for a subdivision,
plat, short plat, building permit, or other construction permit. The plat or short plat
approval shall identify all stormwater BMPs that are required for each lot. For projects
involving only land disturbing activities, (e.g. clearing or grading), the thresholds apply at
the time of application for the permit allowing or authorizing that activity. Note the
exemption in Section 1. Exemptions for forest practices other than Class IV General.
For projects that are implemented in incremental stages or phases as part of a common
plan of development or sale, the thresholds below must be considered for the complete
project at full build -out.
The Permittee may allow the Minimum Requirements to be met for an equivalent (flow
and pollution characteristics) area. The equivalent area may be within the same TDA. If
the equivalent area is outside the TDA, or off -site, the equivalent area must drain to the
same receiving water and the guidance for equivalent facilities using in -basin transfers
must be followed, as detailed in !-D.6 Regional Facility Area Transfers in the
SWMMWW. The Permittee is responsible for maintaining tracking records for all area
transfers approved by the Permittee.
Appendix 1 - Minimum Technical Requirements for New Development and Redevelopment
August 1, 2024 Page 14 of 49
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Phase I and Western Washington Phase 11
Municipal Stormwater Permit
Figure 2: Flow Chart for Determining Whether the Permittee Must Regulate the Project
StQlrt Will the project discharge
stormwater, either directly or No The Permittee is not required to
indirectly, into an MS4 owned regulate the project,
or operated by the Permittee?
Yes
The Permittee must regulate the
project. The project must comply
with the applicable Minimum
Requirements in accordance with the
thresholds detailed in this Appendix.
(Next Steps)
Some Minimum Requirements
may apply to the project,
Is the project exempt according Yes depending on the Exemption.
to Section 1 of this Appendix? Refer to Section 1 of this Appendix
to determine which Minimum
Requirements apply to the project.
No
Continue to the Figures "Flow Chart for Determining
Requirements for New Development" and "Flow Chart for
Determining Requirements for Redevelopment" to determine
which Minimum Requirements apply to the project.
DEPARTMENT OF
ECOLOGY
Stale of Washington
Flow Chart for Determining Whether the
Permittee Must Regulate the Project
Revised February 2024
Appendix 1 - Minimum Technical Requirements for New Development and Redevelopment
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Page 269 of 769
Phase I and Western Washington Phase II
Municipal Stormwater Permit
Figure 3: Flow Chart for Determining Requirements for New Development
Start Does all stormwaler runoff Yes The UIC Rule (Chapter 173-218 WAC)
Here from the Project Site discharge applies. Refer to 1-4 UIC Program
to a Class V UIC Well? Guidelines for UIC Program Requirements.
No
Does the Site have 359`o Yes See Redevelopment Project
"Flow
or more of existing hard Thresholds and the Figure
Chart for Determining
surface coverage? Roquirements for Redevelopmont".
�No
Does the Project result in 2,000 square feet or more of new plus replaced hard surface area?
OR
Does the land disturbing activity total 7,000 square feet or greater?
Yes No
Minimum Requirements #1
through #5 apply to the new
and replaced hard surfaces Minimum Requirement #2 applies.
and the land disturbed.
Next Question
Does the Project add 5,000 square feet or more of new plus replaced hard surfaces?
OR
Convert %4 acres or more of vegetation to lawn or landscaped areas?
OR
Convert 2.5 acres or more of native vegetation to pasture?
Yes No
IF
All Minimum Requirements
apply to the new and replaced I No additional requirements
hard surfaces and converted l
vegetation areas.
Flow Chart for Determining Requirements for
New Development
DEPARTMENT OF
ECOLOGY
State of Washington
Revised Seplember 2022
Appendix 1 -Minimum Technical Requirements for New Development and Redevelopment
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Phase 1 and Western Washington Phase 11
Municipal Stormwater Permit
Figure 4: Flow Chart for Determining Requirements for Redevelopment
Start Does atl siorr wow runon from the Propd Site
dscharge to a Class V UIC Well?
Here -----
No
IV
Does the Site nave less than 35% Yes
of existing hard surface coverage?
No
The UIC Rule (Chapter 173.218 WAC) applies.
Refer eo 14 WC Program G+ WIli res for U IC
Program Requirements,
See New Develcprrwd Project Thresholds and
the Figure 'Flow Chart for Dofemrinrng
Requirements for New Devebpnrent'.
Does the Project result in 2,000 square feet or more of new plus replaced hard surface area?
OR
Does the land dsturbng activity total 7,000 square foot or greater?
Yes No
Minimum Requlrements 01 through M5 apply to the new
and replaced hard surfaces and the tend disturbed li inimum Requirement 02 appilaa
Next Question__ --
Does the Project add 5,0D0 square feet or more of new hard surfaces? All Minimum
OR
YQs Requirements apply to
Convert % acres or more of vegetation to lawn or landscaped areas? the now hard surfaces
OR
and the converted
Corwart 2.5 acres or more of native vegetation to pasture? vagetobon areas.
No
Next Question
Is this s road related project?
Does the Project add 5,000 square teat or more of now plus
replaced hard surfaces?
Yes
AND
NO
Does the value of the proposed Improvements - nGttdng
intenor tmprovemems - exceed 50% of the assessed vaitte
(or replsoarnwt value) of Ihe.
. existing Project Sda improvements? (for
Does the Project add 5,000 square feet or more of new
commercial or industrial projects) OR
plus reptaced hard surfaces?
. existing Site Improvements? (for all other projects)
AND
Do the new plus replaced hard surfaces total 50% or
NO
more of the existirg hard surfaces within the Site?
NO
Is the project on a commercial or indusUlal Site?
AND
Does the Project add 5,0W square feet or more of new
Yes No eddtltonal
plus replaced hero surfaces?
nsquinments
AND
Y�
Do the new plus replaced hard surfaces total 50% or more
of the existing hard surfaces within the Site?
II All Minimum Requirements apply to the new and replaced hard surfaces and converted vegetation areas.
Flow Chart for Determining Requirements for
DEPARTMENT OF Redevelopment
ECOLOGY
State of Washington Revised April 2024
Appendix 1 - Minimum Technical Requirements for New Development and Redevelopment
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Phase I and Western Washington Phase 11
Municipal Stormwater Permit
3.2 New Development Project Thresholds
All new development shall be required to comply with Minimum Requirement #2.
The following new development shall comply with Minimum Requirements #1 through
#5 for the new and replaced hard surfaces and the land disturbed:
• Results in 2,000 square feet, or greater, of new plus replaced hard surface area, or
• Has land disturbing activity of 7,000 square feet or greater.
The following new development shall comply with all Minimum Requirements for the
new and replaced hard surfaces and the converted vegetation areas:
• the Project adds 5,000 square feet, or more, of new plus replaced hard surface
area, or
• Converts % acres, or more, of vegetation to lawn or landscaped areas, or
• Converts 2.5 acres, or more, of native vegetation to pasture.
3.3 Redevelopment Project Thresholds
All redevelopment shall be required to comply with Minimum Requirement #2.
The following redevelopment shall comply with Minimum Requirements #1 through #5
for the new and replaced hard surfaces and the land disturbed:
• Results in 2,000 square feet, or more, of new plus replaced hard surface area, or
• Has land disturbing activity of 7,000 square feet or greater.
The following redevelopment shall comply with all Minimum Requirements for the new
hard surfaces and converted vegetation areas:
• Adds 5,000 square feet or more of new hard surfaces or,
• Converts 3/ acres, or more, of vegetation to lawn or landscaped areas, or
• Converts 2.5 acres, or more, of native vegetation to pasture.
3.4 Additional Requirements for Redevelopment
Road -related projects shall comply with all Minimum Requirements for the new and
replaced hard surfaces and the converted vegetation areas if:
• the Project adds 5,000 square feet or more of new plus replaced hard surfaces,
and
the new plus replaced hard surfaces total 50% or more of the existing hard
surfaces within the Site.
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Phase I and Western Washington Phase II
Municipal Stormwater Permit
Other types of redevelopment projects shall comply with all the Minimum
Requirements for the new and replaced hard surfaces and the converted vegetation
areas if either of the two thresholds below are crossed:
• Threshold 1:
o the Project adds 5,000 square feet or more of new plus replaced hard
surfaces, and
For commercial or industrial projects: the valuation of the proposed
improvements, including interior improvements, exceeds 50% of the
assessed value of the existing Project Site improvements.
For all other projects: the valuation of the proposed improvements,
including interior improvements, exceeds 50% of the assessed value
of the existing Site improvements.
• Threshold 2 (for commercial or industrial sites only):
o the Project adds 5,000 square feet or more of new plus replaced hard
surfaces, and
o the new plus replaced hard surfaces total 50% or more of the existing hard
surfaces within the Site.
The Permittee may exempt or institute a stop -loss provision for redevelopment projects
from compliance with Minimum Requirement #5, #6, #7, and/or #8 as applied to the
replaced hard surfaces if the Permittee has adopted a plan and a schedule that fulfills
those requirements in regional facilities.
Section 4. Minimum Requirements
This Section describes the Minimum Requirements for stormwater management for
new development projects and redevelopment projects. Section 3. Applicability of the
Minimum Requirements should be consulted to determine which of the Minimum
Requirements apply to any given project. Figure 3: Flow Chart for Determining
Requirements for New Development and Figure 4: Flow Chart for Determining
Requirements for Redevelopment should be consulted to determine whether the
Minimum Requirements apply to new surfaces, replaced surfaces, or new and replaced
surfaces.
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Municipal Stormwater Permit
4.1 Minimum Requirement #1: Preparation of a Stormwater Site Plan
All projects meeting the Project Thresholds in Section 3. Applicability of the Minimum
Requirements shall prepare a Stormwater Site Plan for local jurisdiction review.
Stormwater Site Plans shall use site -appropriate development principles, as required,
and encouraged by local development codes, to retain native vegetation and minimize
impervious surfaces to the extent feasible. Stormwater Site Plans shall be prepared in
accordance with the guidance in 111-3 Stormwater Site Plans in the SWMMWW.
4.2 Minimum Requirement #2: Construction Stormwater Pollution
Prevention Plan (SWPPP)
Permittees may choose to allow compliance with this Minimum Requirement to be
achieved for an individual site if the site is covered under and fully implementing the
requirements of Ecology's CONSTRUCTION STORMWATER GENERAL PERMIT - National
Pollutant Discharge Elimination System (NPDES) and State Waste Discharge General
Permit for Stormwater Discharges Associated with Construction Activity.
All new development and redevelopment projects are responsible for preventing
erosion and discharge of sediment and other pollutants into receiving waters.
Minimum Requirement Thresholds
Compliance requirements for this Minimum Requirement are as follows:
• Projects that meet either of the following thresholds must prepare a Construction
Stormwater Pollution Prevention Plan (SWPPP) for local jurisdiction review:
o result in 2,000 square feet or more of new plus replaced hard surface area,
or
o disturb 7,000 square feet or more of land,
• Projects below those thresholds (listed directly above) are not required to prepare
a Construction SWPPP but must consider all of the Construction SWPPP Elements
(listed below) and develop controls for all Construction SWPPP Elements that
pertain to the project site.
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General Requirements
The Construction SWPPP shall include a narrative and drawings. All BMPs shall be clearly
referenced in the narrative and marked on the drawings. The Construction SWPPP
narrative shall include documentation to explain and justify the pollution prevention
decisions made for the project. Each of the 13 Construction SWPPP Elements (listed
below) must be considered and included in the Construction SWPPP unless site
conditions render the Element unnecessary and the exemption from that Element is
clearly justified in the narrative of the SWPPP.
Clearing and grading activities for developments shall be allowed only if conducted
pursuant to an approved site development plan (e.g. subdivision approval) that
establishes permitted areas of clearing, grading, cutting, and filling. These permitted
clearing and grading areas and any other areas required to preserve critical or sensitive
areas, buffers, native growth protection easements, or tree retention areas (as may be
required by local jurisdictions), shall be delineated on the site plans and the
development site.
The Construction SWPPP shall be implemented beginning with initial land disturbance
and until final stabilization. Sediment and Erosion control BMPs shall be consistent with
the BMPs contained in 11-4 Construction Stormwater BMPs in the SWMMWW.
Seasonal Work Limitations: From October 1 through April 30, land disturbing activities
shall only be permitted if shown to the satisfaction of the local jurisdiction that turbid
water will be prevented from leaving the site through a combination of the following:
1. Site conditions including existing vegetative coverage, slope, soil type and
proximity to receiving waters; and
2. Limitations on activities and the extent of disturbed areas; and
3. Proposed erosion and sediment control measures.
Based on the information provided and/or local weather conditions, the local
jurisdiction may expand or restrict the seasonal work limitations.
The following activities are exempt from the seasonal work limitations:
1. Routine maintenance and necessary repair of erosion and sediment control BMPs,
2. Routine maintenance of public facilities or existing utility structures that do not
expose the soil or result in the removal of the vegetative cover to soil, and
3. Activities where there is one hundred percent infiltration of stormwater runoff
within the site in approved and installed erosion and sediment control facilities.
Appendix 1 - Minimum Technical Requirements for New Development and Redevelopment
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Phase I and Western Washington Phase Il
Municipal Sto rm wa ter Perm it
If erosion and sediment control requirements are not being met (i.e. turbid water is
leaving the site), then the local jurisdiction shall require that the contractor maintain the
existing BMPs or implement other BMPs as appropriate.
Construction SWPPP Elements
Element 1: Preserve Vegetation / Mark Clearing Limits
a. Before beginning land disturbing activities, including clearing and grading, clearly
mark all clearing limits, sensitive areas and their buffers, and trees that are to be
preserved within the construction area.
b. Retain the duff layer, topsoil, and natural vegetation in an undisturbed state to
the maximum degree practicable.
Element 2: Establish Construction Access
a. Limit construction vehicle access and exit to one route, if possible.
b. Stabilize access points with a pad of quarry spalls, crushed rock, or other
equivalent BMPs, to minimize tracking of sediment onto roads.
c. Locate wheel wash or tire baths on site if the stabilized construction entrance is
not effective in preventing tracking sediment onto roads.
d. If sediment is tracked off site, clean the affected roadway(s) thoroughly at the end
of each day, or more frequently as necessary (for example, during wet weather).
Remove sediment from roads by shoveling, sweeping, or picking up and
transporting the sediment to a controlled sediment disposal area.
Conduct street washing only after sediment is removed in accordance with 2.d
(above).
f. Control street wash wastewater by pumping back on site, or otherwise prevent it
from discharging into systems tributary to waters of the State.
Element 3: Control Flow Rates
a. Protect properties and waterways downstream of construction sites from erosion
and the associated discharge of turbid waters due to increases in the velocity and
peak volumetric flow rate of stormwater runoff from the project site.
b. Where necessary to comply with 3.a (above), construct stormwater infiltration or
detention BMPs as one of the first steps in grading. Ensure that detention BMPs
function properly before constructing site improvements (e.g. impervious
surfaces).
c. If permanent infiltration BMPs are used for temporary flow control during
construction, protect these BMPs from sedimentation during the construction
phase.
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Element 4: Install Sediment Controls
Design, install, and maintain effective erosion controls and sediment controls to
minimize the discharge of pollutants. At a minimum:
a. Construct sediment control BMPs (sediment ponds, traps, filters, etc.) as one of
the first steps in grading. These BMPs must be functional before other land
disturbing activities take place.
b. Minimize sediment discharges from the site. The design, installation and
maintenance of erosion and sediment controls must address factors such as the
amount, frequency, intensity and duration of precipitation, the nature of resulting
stormwater runoff, and soil characteristics, including the range of soil particle
sizes expected to be present on the site.
c. Direct stormwater runoff from disturbed areas through BMP C241: Sediment
Pond (Temporary) or other appropriate sediment removal BMP, before the runoff
leaves a construction site or before discharge to an infiltration facility. Runoff
from fully stabilized areas may be discharged without a sediment removal BMP
but must control flow rates per Element 3: Control Flow Rates.
d. Locate BMPs intended to trap sediment on site in a manner to avoid interference
with the movement of juvenile salmonids attempting to enter off -channel areas
or drainages.
e. Provide and maintain natural buffers around surface waters, direct stormwater to
vegetated areas to increase sediment removal and maximize stormwater
infiltration, unless infeasible.
f. Where feasible, design outlet structures that withdraw impounded stormwater
from the surface to avoid discharging sediment that is still suspended lower in the
water column.
Element 5: Stabilize Soils
a. Stabilize exposed and unworked soils by application of effective BMPs that
prevent erosion. Applicable BMPs include but are not limited to: temporary and
permanent seeding, sodding, mulching, plastic covering, erosion control fabrics
and matting, soil application of polyacrylamide (PAM), the early application of
gravel base on areas to be paved, and dust control.
b. Control stormwater volume and velocity within the site to minimize soil erosion.
c. Control stormwater discharges, including both peak flow rates and total
stormwater volume, to minimize erosion at outlets and to minimize downstream
channel and stream bank erosion.
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Soils must not remain exposed and unworked for more than the time periods set
forth below to prevent erosion:
• During the dry season (May 1 - September 30): 7 days
• During the wet season (October 1- April 30): 2 days
e. Stabilize soils at the end of the shift before a holiday or weekend if needed based
on the weather forecast.
f. Stabilize soil stockpiles from erosion, protect with sediment trapping measures,
and where possible, locate away from storm drain inlets, waterways, and drainage
channels.
g. Minimize the amount of soil exposed during construction activity.
h. Minimize the disturbance of steep slopes.
i. Minimize soil compaction and, unless infeasible, preserve topsoil.
Element 6: Protect Slooes
a. Design and construct cut -and -fill slopes in a manner to minimize erosion.
Applicable practices include, but are not limited to, reducing continuous length of
slope with terracing and diversions, reducing slope steepness, and roughening
slope surfaces (for example, track walking).
b. Divert off -site stormwater (run-on) or groundwater away from slopes and
disturbed areas with interceptor dikes, pipes and/or swales. Off -site stormwater
should be managed separately from stormwater generated on site.
c. At the top of slopes, collect drainage in pipe slope drains or protected channels to
prevent erosion. Temporary pipe slope drains must be sized to convey the flow
rate calculated by one of the following methods:
Single Event Hydrograph Method: The peak volumetric flow rate calculated
using a 10-minute time step from a Type 1A, 10-year, 24-hour frequency
storm.
••
Continuous Simulation Method: The 10-year peak flow rate, as determined
by an approved continuous runoff model with a 15-minute time step.
The hydrologic analysis must use the existing land cover condition for predicting
flow rates from tributary areas outside the project limits. For tributary areas on
the project site, the analysis must use the temporary or permanent project land
cover condition, whichever will produce the highest flow rates. If using the
Western Washington Hydrology Model (WWHM) to predict flows, bare soil areas
should be modeled as "lawn" area.
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d. Place excavated material on the uphill side of trenches, consistent with safety and
space considerations.
e. Place check dams at regular intervals within constructed channels that are cut
down a slope.
Element 7: Protect Drain Inlets
Protect all storm drain inlets made operable during construction so that
stormwater runoff does not enter the conveyance system without first being
filtered or treated to remove sediment.
b. Clean or remove and replace storm drain inlet protection devices when sediment
has filled one-third of the available storage (unless a different standard is
specified by the product manufacturer).
Element 8: Stabilize Channels and Outlets
a. Design, construct, and stabilize all on -site conveyance channels to prevent erosion
from the flow rate calculated by one of the following methods:
Single Event Hydrograph Method: The peak volumetric flow rate calculated
using a 10-minute time step from a Type 1A, 10-year, 24-hour frequency
storm.
•;
Continuous Simulation Method: The 10-year peak flow rate, as determined
by an approved continuous runoff model with a 15-minute time step.
The hydrologic analysis must use the existing land cover condition for predicting
flow rates from tributary areas outside the project limits. For tributary areas on
the project site, the analysis must use the temporary or permanent project land
cover condition, whichever will produce the highest flow rates. If using the
Western Washington Hydrology Model (WWHM) to predict flows, bare soil areas
should be modeled as "lawn" area.
b. Provide stabilization, including armoring material, adequate to prevent erosion of
outlets, adjacent stream banks, slopes, and downstream reaches at the outlets of
all conveyance systems.
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Element 9: Control Pollutants
Design, install, implement, and maintain effective pollution prevention measures to
minimize the discharge of pollutants. The project proponent must:
a. Handle and dispose of all pollutants, including waste materials and demolition
debris that occur on site, in a manner that does not cause contamination of
stormwater.
Provide cover, containment, and protection from vandalism for all chemicals,
liquid products, petroleum products, and other materials that have the potential
to pose a threat to human health or the environment. Minimize storage of
hazardous materials on -site. Safety Data Sheets (SDS) should be supplied for all
materials stored. Chemicals should be kept in their original labeled containers.
On -site fueling tanks must include secondary containment. Secondary
containment means placing tanks or containers within an impervious structure
capable of containing 110% of the volume of the largest tank within the
containment structure. Double -walled tanks do not require additional secondary
containment.
c. Conduct maintenance, fueling, and repair of heavy equipment and vehicles using
spill prevention and control measures. Clean contaminated surfaces immediately
following any spill incident.
d. Discharge wheel wash or tire bath wastewater to:
• a separate on -site treatment system that prevents discharge to surface
water, or
• to the sanitary sewer, with local sewer district approval.
e. Apply fertilizers and pesticides in a manner and at application rates that will not
result in loss of chemical to stormwater runoff. Follow manufacturers' label
requirements for application rates and procedures.
f. Use BMPs to prevent contamination of stormwater runoff by pH -modifying
sources. The sources for this contamination include, but are not limited to bulk
cement, cement kiln dust, fly ash, new concrete washing and curing waters,
recycled concrete stockpiles, waste streams generated from concrete grinding
and sawing, exposed aggregate processes, dewatering concrete vaults, concrete
pumping and mixer washout waters.
g. Adjust the pH of stormwater if necessary to prevent violations of water quality
standards.
Ensure that washout of concrete trucks is performed off -site or in designated
concrete washout areas only. Do not wash out concrete truck drums onto the
ground, or into storm drains, open ditches, streets, or streams. Washout of small
concrete handling equipment may be disposed of in a formed area awaiting
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concrete where it will not contaminate surface or groundwater. Do not dump
excess concrete on site, except in designated concrete washout areas. Concrete
spillage or concrete discharge directly to groundwater or surface waters of the
State is prohibited. At no time shall concrete be washed off into the footprint of
an area where an infiltration BMP will be installed.
i. Obtain written approval from Ecology before using chemical treatment other than
CO,, dry ice, or food grade vinegar to adjust pH.
j. Uncontaminated water from water -only based shaft drilling for construction of
building, road, and bridge foundations may be infiltrated provided the wastewater
is managed in a way that prohibits discharge to surface waters. Prior to
infiltration, water from water -only based shaft drilling that comes into contact
with curing concrete must be neutralized until pH is in the range of 6.5 to 8.5 (su).
Element 10: Control Dewatering
Discharge foundation, vault, and trench dewatering water, which have similar
characteristics to stormwater runoff at the site, into a controlled conveyance
system before discharge to:
i. A sediment control BMP (e.g. BMP C240: Sediment Trap or BMP C241:
Sediment Pond (Temporary));
ii. Infiltration;
iii. Transport off site in a vehicle, such as a vacuum flush truck, for legal
disposal in a manner that does not pollute state waters;
iv. Ecology -approved on -site chemical treatment or other suitable treatment
technologies;
v. Sanitary or combined sewer discharge with local sewer district approval, if
there is no other option; or
vi. Use of a sedimentation bag that discharges to a ditch or Swale for small
volumes of localized dewatering.
b. Discharge clean, non -turbid dewatering water, such as well -point groundwater, to
systems tributary to, or directly into surface waters of the State, as specified in
Element 8: Stabilize Channels and Outlets, provided the dewatering flow does
not cause erosion or flooding of receiving waters. Do not route clean dewatering
water through stormwater sediment BMPs. Note that "surface waters of the
State" may exist on a construction site as well as off site; for example, a creek
running through a site.
c. Handle highly turbid or otherwise contaminated dewatering water separately
from stormwater.
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Element 11: Maintain BMPs
a. Maintain and repair all temporary and permanent erosion and sediment control
BMPs as needed to ensure continued performance of their intended function in
accordance with BMP specifications.
b. Remove all temporary erosion and sediment control BMPs within 30 days after
achieving final site stabilization or after the temporary BMPs are no longer
needed.
Element 12: Manage the Proiect
a. Phase development projects to the maximum degree practicable and consider
seasonal work limitations.
b. Inspect, maintain, and repair all BMPs as needed to ensure continued
performance of their intended function.
c. Maintain, update, and implement the Construction SWPPP.
d. Projects that disturb one or more acres must have site inspections conducted by a
Certified Erosion and Sediment Control Lead (CESCL). Project sites disturbing less
than one acre may have a CESCL or a person without CESCL certification conduct
inspections. By the initiation of construction, the Construction SWPPP must
identify the CESCL or inspector, who must be present on site or on -call at all
times.
Element 13: Protect Infiltration BMPs
The project proponent must protect existing and proposed infiltration BMPs during
construction. The primary purpose of On -Site Stormwater Management (often referred
to as Low Impact Development, or LID) is to reduce the disruption of the natural site
hydrology through infiltration. BMPs used to meet 4.5 Minimum Requirement #5: On -
Site Stormwater Management (often called LID BMPs) are permanent facilities.
a. Protect all infiltration BMPs from sedimentation through installation and
maintenance of erosion and sediment control BMPs on portions of the site that
drain into the infiltration BMPs. Restore the BMPs to their fully functioning
condition if they accumulate sediment during construction. Restoring the BMP
must include removal of sediment and any sediment -laden soils within the BMP
and replacing the removed soils with soils meeting the design specification.
b. Prevent compacting infiltration BMPs by excluding construction equipment and
foot traffic. Protect completed lawn and landscaped areas from compaction due
to construction equipment.
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c. Control erosion and avoid introducing sediment from surrounding land uses onto
BMP T5.15: Permeable Pavement. Do not allow muddy construction equipment
on the base material or pavement. Do not allow sediment -laden runoff onto
permeable pavements.
d. Permeable pavement fouled with sediments or no longer passing an initial
infiltration test must be cleaned using procedures from the local stormwater
manual or the manufacturer's procedures.
e. Keep all heavy equipment off existing soils under infiltration BIVIPs that have been
excavated to final grade to retain the infiltration rate of the soils.
4.3 Minimum Requirement #3: Source Control of Pollution
Following construction, all new development and redevelopment projects meeting the
Project Thresholds in Section 3. Applicability of the Minimum Requirements shall apply
all known, available, and reasonable Source Control BMPs.
Source Control BMPs shall be selected, designed, and maintained in accordance with lll-
1.1 Choosing Your Source Control BMPs and Volume IV of the SWMMWW.
4.4 Minimum Requirement #4: Preservation of Natural Drainage
Systems and Outfalls
All new development and redevelopment projects meeting the Project Thresholds in
Section 3. Applicability of the Minimum Requirements shall preserve and maintain
natural drainage patterns to the maximum extent practicable at the site. Discharges
from the Project Site shall occur at the natural location, to the maximum extent
practicable.
The manner by which runoff is discharged from the Project Site must not cause a
significant adverse impact to downstream receiving waters and downgradient
properties, and should be addressed as part of the off -site analysis described in the
SWMMWW.
All concentrated discharge locations (i.e. discharges from pipe systems, culverts, and
ditches) must address energy dissipation. A project proponent who believes that energy
dissipation should not be required must provide justification in the project's stormwater
site plan.
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4.5 Minimum Requirement #5: On -Site Stormwater Management
All new development and redevelopment projects meeting the Project Thresholds in
Section 3. Applicability of the Minimum Requirements shall apply Stormwater
Management BMPs in accordance with the following thresholds, standards, and lists to
infiltrate, disperse, and retain stormwater runoff on site to the extent feasible without
causing flooding or erosion impacts.
Compliance Options by Project Type
All projects that require Minimum Requirement #5 (per the Project Thresholds in
Section 3. Applicability of the Minimum Requirements) must employ Stormwater
Management BMPs as detailed below. The compliance options for the project depend
on the amount of improvements proposed, the location of the project, the size of the
parcel the project is on, and whether or not the project is Flow Control exempt.
Each project must use a single compliance option (either the List Approach or the LID
Performance Standard and BMP T5.13: Post -Construction Soil Quality and Depth). Use
of both compliance options on a single project is not allowed.
Proiects that Trigger Only Minimum Requirements #1- #5
Projects that are not Flow Control exempt that trigger only Minimum Requirements #1
through #5 (per the Project Thresholds in Section 3. Applicability of the Minimum
Requirements) shall either:
• Use the LID BMPs from List #1 for all surfaces within each type of surface in List
#1;
or
• Use any Flow Control BMP(s) desired to achieve the LID Performance Standard
and apply BMP T5.13: Post -Construction Soil Quality and Depth (if feasible).
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Projects that Trigger Minimum Requirements #1- #9
Projects that are not Flow Control exempt that trigger Minimum Requirements #1
through #9 (per the Project Thresholds in Section 3. Applicability of the Minimum
Requirements) have the compliance options shown in Table 1: Minimum Requirement
#5 Compliance Options for Projects Triggering Minimum Requirements #1- #9.
Table 1: Minimum Requirement #5 Compliance Options for Projects Triggering
Minimum Requirements #1 - #9
Project Location and Parcel Size
Minimum Requirement #5 Compliance Options
Projects inside the UGA, on any size
Use the LID BMPs from List #2 for all
parcel
surfaces within each type of surface in List
#2;
or
Projects outside the UGA, on a parcel
smaller than 5 acres
• Use any Flow Control BMPs desired to
achieve the LID Performance Standard
and apply BMP T5.13: Post -Construction
Soil Quality and Depth (if feasible).
Projects outside the UGA, on a parcel SUse
any Flow Control BMPs desired to achieve
acres or larger
the LID Performance Standard and apply BMP
5.13: Post -Construction Soil Quality and
Depth (if feasible).
Note: This text refers to the Urban Growth Area (UGA) as designated under the Growth
Management Act (GMA) (Chapter 36.70A RCW) of the State of Washington. If the
project is located in a county that is not subject to planning under the GMA, the city
limits shall be used instead.
Flow Control Exempt Projects
Projects qualifying as Flow Control exempt in accordance with the TDA Exemption in 4.7
Minimum Requirement #7: Flow Control shall either:
Use the LID BMPs from List #3 for all surfaces within each type of surface in List
#3;
or
• Use any Flow Control BMP(s) desired to achieve the LID Performance Standard
and apply BMP T5.13: Post -Construction Soil Quality and Depth (if feasible).
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If the project has multiple TDAs, all TDAs must be Flow Control exempt per the TDA
Exemption in 4.7 Minimum Requirement #7: Flow Control for the project to use the
options listed here.
Compliance Methods
LID Performance Standard
The LID Performance Standard compliance method for Minimum Requirement #5
requires modeling the proposed Flow Control BMPs to demonstrate the flow reduction
as described below.
Stormwater discharges shall match developed discharge durations to pre -developed
durations for the range of pre -developed discharge rates from 8% of the 2-year peak
flow to 50% of the 2-year peak flow. Refer to the Flow Control Performance Standard
section in 4.7 Minimum Requirement #7: Flow Control for information about the
assignment of the pre -developed condition. Project sites that must also meet 4.7
Minimum Requirement #7: Flow Control must match flow durations between 8% of the
2-year flow through the full 50-year flow.
Designers selecting this option cannot use BMP T5.14: Rain Gardens to achieve the LID
Performance Standard. They may choose to use BMP T7.30: Bioretention to achieve the
LID Performance Standard.
The List Approach
The List Approach compliance method for Minimum Requirement #5 requires
evaluating the BMPs in Table 2: The List Approach for MR5 Compliance.
For each surface, evaluate the feasibility of the BMPs in the order listed for that type of
surface, and use the first BMP that is considered feasible. The designer must document
the site conditions and infeasibility criteria used to deem BMPs infeasible. Once a BMP
is deemed feasible and used for a surface, no other BMP from the list is necessary for
that surface.
If all BMPs in the list are infeasible, then the designer must document the site conditions
and infeasibility criteria used to deem each BMP infeasible. This documentation will
demonstrate compliance with Minimum Requirement #5.
Feasibility shall be determined by evaluation against:
• Design criteria, limitations, and infeasibility criteria identified for each BMP in
Volume V of the SWMMWW; and
• Competing Needs Criteria as listed in 1-3.4.5 MR5: On -Site Stormwater
Management in the SWMMWW.
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Table Z: The List Approach for MR5 Compliance
List #1 1 List #2 1 List #3
(For MR #1- #5 Projects (For MR #1- #9 Projects (For Flow Control Exempt
That Are Not Flow Control That Are Not Flow Control Projects)
Exempt) Exempt)
Surface Type: Lawn and Landscaped Areas
BMP T5.13: Post- BMP T5.13: Post- MP T5.13: Post-
onstruction Soil Quality onstruction Soil Quality onstruction Soil Quality
and Depth nd Depth nd Depth
1. BMP T5.30: Full
Dispersion
or
BMP T5.10A:
Downspout Full
Infiltration
2. BMP T5.14: Rain
Gardens
or
BMP T7.30:
Bioretention Cells,
Swales, and Planter
Boxes
Surface Type: Roofs
1. BMP T5.30: Full
Dispersion
or
BMP T5.10A:
Downspout Full
Infiltration
2. BMP T7.30:
Bioretention Cells,
Swales, and Planter
Boxes
1. BMP T5.10A:
Downspout Full
Infiltration
2. BMP T5.10B:
Downspout Dispersion
Systems
3. BMP T5.106: 3. BMP T5.1013: 3. BMP TS.10C:
Downspout Dispersion Downspout Dispersion Perforated Stub -out
Systems Systems Connections
4. BMP T5.10C: 4. BMP T5.10C:
Perforated Stub -out Perforated Stub -out
Connections Connections
Surface Type: Other Hard Surfaces
1 1. BMP T5.30: Full 1 1. BMP T5.30: Full PMP T5.12: Sheet Flow
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List #1
(For MR #1- #5 Projects
That Are Not Flow Control
Exempt)
Dispersion
2. BMP T5.15:
Permeable Pavement
or
BMP T5.14: Rain
Gardens
or
BMP T7.30:
Bioretention Cells,
Swales, and Planter
Boxes
3. BMP T5.12: Sheet
Flow Dispersion
or
BMP T5.11:
Concentrated Flow
Dispersion
Phase I and Western Washington Phase II
Municipal Stormwater Permit
List #2
(For MR #1- #9 Projects
That Are Not Flow Control
Exempt)
List #3
(For Flow Control Exempt
Projects)
Dispersion ispersion
2. BMP T5.15: Permeable
Pavement r
3. BMP T7.30:
Bioretention Cells,
Swales, and Planter
Boxes
4. BMP T5.12: Sheet
Flow Dispersion
or
BMP T5.11:
Concentrated Flow
Dispersion
tes for using the List Approach:
MP T5.11: Concentrated
ow Dispersion
1. Size BMP T5.14: Rain Gardens and BMP T7.30: Bioretention used in the List
Approach to have a minimum horizontal projected surface area below the
overflow which is at least 5% of the area draining to it.
2. When the designer encounters BMP T5.15: Permeable Pavement in the List
Approach, it is not a requirement to pave these surfaces. Where pavement is
proposed, it must be permeable to the extent feasible unless BMP T5.30: Full
Dispersion is employed.
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4.6 Minimum Requirement #6: Runoff Treatment
All new development and redevelopment projects meeting the Project Thresholds in
Section 3. Applicability of the Minimum Requirements shall apply Runoff Treatment
BMPs in accordance with the following thresholds, standards, and requirements to
remove pollutants from stormwater runoff.
TDA Thresholds
Each TDA within a project that requires Minimum Requirement #6 (per the Project
Thresholds in Section 3. Applicability of the Minimum Requirements) must be reviewed
to determine if Runoff Treatment BMPs are required for the TDA to be in compliance
with Minimum Requirement #6.
Note that it is possible for a project that triggers the thresholds for Minimum
Requirement #6, per the Project Thresholds in Section 3. Applicability of the Minimum
Requirements, to not need Runoff Treatment BMP(s) in one or more individual TDAs to
be in compliance with Minimum Requirement #6. If a TDA does not trigger either of the
TDA thresholds for Runoff Treatment BMPs, then the designer must document the areas
within the TDA used to determine that neither of the TDA thresholds are met. This
documentation will demonstrate compliance with Minimum Requirement #6 for the
TDA.
When assessing a TDA against the following thresholds, only consider the types of
surfaces (e.g. new hard surfaces, replaced hard surfaces, converted vegetation areas)
that are subject to Minimum Requirement #6, per the Project Thresholds in Section 3.
Applicability of the Minimum Requirements.
The following TDAs require construction of Runoff Treatment BMPs. If a TDA meets
either of the following thresholds, Runoff Treatment BMPs are required. The project
proponent must demonstrate that the TDA does not meet either of the following
thresholds for Runoff Treatment BMPs to not be required for that TDA.
TDAs that have a total of 5,000 square feet or more of pollution -generating hard
surface (PGHS), or
TDAs that have a total of 3/4 of an acre or more of pollution -generating pervious
surfaces (PGPS) — not including permeable pavements, and from which there will
be a surface discharge in a natural or man-made conveyance system from the site.
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Runoff Treatment Performance Goal Thresholds
1. Oil Control
Oil Control BMPs are required for areas that typically generate high concentrations of oil
due to high traffic turnover or the frequent transfer of oil. These types of areas include:
• An area of a commercial or industrial site subject to an expected average daily
traffic (ADT) count equal to or greater than 100 vehicles per 1,000 square feet of
gross building area, or 300 total trip ends per day.
• An area of a commercial or industrial site subject to petroleum storage and
transfer in excess of 1,500 gallons per year, not including routinely delivered
heating oil.
• An area of a commercial or industrial site subject to parking, storage, or
maintenance of 25 or more vehicles that are over 10 tons gross weight (trucks,
buses, trains, heavy equipment, etc.).
• A road intersection with a measured ADT count of 2S,000 vehicles or more on the
main roadway and 15,000 vehicles or more on any intersecting roadway,
excluding projects proposing primarily pedestrian or bicycle use improvements.
2. Phosphorus Treatment
Phosphorus Treatment BMPs are required for projects (or portions of projects) within
watersheds that have been determined by the local jurisdiction (e.g. through a lake
management plan), Ecology (e.g. through a TMDL waste load allocation), or the USEPA
to be sensitive to phosphorus and are being managed to control phosphorus. The
following are examples of sources that the local jurisdiction can use for determining
whether a water body is sensitive to phosphorus:
Those waterbodies reported under section 303(d) of the Clean Water Act, where
designated uses are not supported due to phosphorous or other water quality
criteria related to excessive phosphorus. This information can be viewed on
Ecology's Water Quality Atlas at the following web address:
https:Happs.ecology.wa.gov/waterqualityatlas/wqa/map
• Those listed in Washington State's Nonpoint Source Assessment required under
section 319(a) of the Clean Water Act due to nutrients.
• A locally adopted plan that contains requirements, recommendations, or policies
indicating that a particular receiving water is sensitive to phosphorus
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Municipal Stormwater Permit
3. Metals Treatment
Metals Treatment BMPs are required for the types of project sites listed below that:
a. discharge directly to fresh waters designated for aquatic life use or that have an
existing aquatic life use; or
b. discharge to conveyance systems that are tributary to fresh waters designated for
aquatic life use or that have an existing aquatic life use; or
c. infiltrate stormwater within % mile of a fresh water designated for aquatic life use
or that has an existing aquatic life use.
The types of project sites are:
• Sites subject to industrial activities,
• Commercial project sites,
• Multifamily residential project sites, and
• High ADT roads as follows:
o Within Urban Growth Areas:
■ Roads with an ADT of 7,500 or greater.
o Outside of Urban Growth Areas:
• Roads with an ADT of 15,000 or greater
• Light rail elevated and non -elevated guideways/tracks
• Other project sites that are anticipated to generate a high pollutant loading,
including:
o Parking areas as follows:
■ Commercial or industrial areas: All on -street parking areas.
• Areas other than commercial or industrial areas: On -street parking
areas on streets with an expected total ADT of >_ 7,500.
• Parking areas with an expected trip end count >_ 40 vehicles per 1,000
sf of gross building area.
• Parking areas with >_ 100 expected trip ends per day.
o Fueling stations
o Transit center bus stops
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The following areas of the above -listed project sites do not require Metals Treatment
BMPs:
• Areas that discharge directly, or indirectly through a municipal separate storm
sewer system, to a water listed in Appendix 111-A: Basic Treatment Receiving
Waters in the SWMMWW.
• Landscaped areas of industrial, commercial, and multi -family project sites that do
not involve any other pollution -generating sources (e.g. industrial activities,
customer parking, storage of erodible or leachable material, wastes, or
chemicals).
• Parking lots of industrial and commercial project sites, dedicated solely to parking
of employees' private vehicles that do not involve any other pollution -generating
sources (e.g. industrial activities, customer parking, storage of erodible or
leachable material, wastes, or chemicals).
For TDAs with a mix of land use types, Metals Treatment BMPs are required when the
runoff from the areas subject to the Metals Treatment Performance Goal comprises
50% or more of the total runoff from the TDA.
4. Basic Treatment
Areas that must provide Phosphorus Treatment BMPs or Metals Treatment BMPs do
NOT have to provide additional Basic Treatment BMPs to meet the Basic Treatment
Performance Goal.
If Phosphorus Treatment BMPs or Metals Treatment BMPs are not provided, Basic
Treatment BMPs are required.
Runoff Treatment BMP Sizing
Size Runoff Treatment BMPs for the entire area that drains to them, even if some of
those areas are not pollution -generating or were not included in the Project Thresholds
decisions (see Section 3. Applicability of the Minimum Requirements) or the TDA
Thresholds decisions of this Minimum Requirement.
Runoff Treatment BMPs are sized by using either a volume (the Water Quality Design
Volume) or a flow rate (the Water Quality Design Flow Rate), depending on the Runoff
Treatment BMP selected. Refer to the selected Runoff Treatment BMP to determine
whether the BMP is sized based on a volume or a flow rate. See below for details about
the Water Quality Design Volume and the Water Quality Design Flow Rate used to size
Runoff Treatment BMPs.
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Water Quality Design Volume
The Water Quality Design Volume may be calculated by either of the following methods:
• Continuous Simulation Method: Using an approved continuous runoff model, the
Water Quality Design Volume shall be the simulated daily volume that represents
the upper limit of the range of daily volumes that accounts for 91% of the entire
runoff volume over a multi -decade period of record.
• Single Event Hydrograph Method: The Water Quality Design Volume shall be the
volume of runoff predicted by the Natural Resource Conservation Service (NRCS)
curve number equations (as detailed in 111-2.3 Single Event Hydrograph Method in
the SWMMWW). The precipitation depth used in the equations shall be as
predicted from a 24-hour storm with a 6-month return frequency (a.k.a., 6-month,
24-hour storm).
Water Quality Design Flow Rate
The Water Quality Design Flow Rate is dependent on the location of the Runoff
Treatment BMP relative to Detention BMP(s):
• Upstream of Detention BMPs or when there are no Detention BMPs: The Water
Quality Design Flow Rate shall be the flow rate at or below which 91% of the total
runoff volume, as estimated by an approved continuous runoff model, will be
treated.
Ecology has assigned design criteria for Runoff Treatment BMPs to achieve the
BMP's Runoff Treatment Performance Goal (e.g. Basic Treatment Performance
Goal, Metals Treatment Performance Goal, etc.) at the Water Quality Design Flow
Rate. At a minimum, 91% of the total runoff volume, as estimated by an approved
continuous runoff model, must pass through Runoff Treatment BMP(s) at or
below the approved hydraulic loading rate for the BMP(s).
Downstream of Detention BMPs: The Water Quality Design Flow Rate shall be the
full 2-year release rate from the Detention BMP.
Runoff Treatment BMP Selection, Design, and Maintenance
Runoff Treatment BMPs shall be:
• Selected in accordance with the process identified in I11-1.2 Choosing Your Runoff
Treatment BMPs in the SWMMWW,
• Designed in accordance with the design criteria in Volume V of the SWMMWW,
and
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• Maintained in accordance with the maintenance criteria in Volume V of the
SWMMWW.
Additional Requirements
The (direct or indirect) discharge of untreated stormwater from pollution -generating
hard surfaces to groundwater must not be authorized by the Permittee, except for
infiltration or dispersion of runoff through LID BMPs per The List Approach in 4.5
Minimum Requirement #5: On -Site Stormwater Management.
4.7 Minimum Requirement #7: Flow Control
All new development and redevelopment projects meeting the Project Thresholds in
Section 3. Applicability of the Minimum Requirements shall apply Flow Control BMPs in
accordance with the following thresholds, standards, and requirements to reduce the
impacts of stormwater runoff from hard surfaces and land cover conversions.
TDA Exemption
Flow Control is not required for TDAs that discharge directly to, or indirectly through an
MS4 to a water listed in Appendix I -A: Flow Control Exempt Receiving Waters in the
SWMMWW, subject to all of the following restrictions:
Direct discharge to the exempt receiving water does not result in the diversion of
drainage from any perennial stream classified as Types 1, 2, 3, or 4 in the State of
Washington Interim Water Typing System, or Types "S", "F", or "Np" in the
Permanent Water Typing System, or from any category I, II, or III wetland.
If flow splitters or conveyance elements are applied to route natural runoff
volumes from the TDA to any downstream Type 5 stream or category IV wetland,
then:
o Design of the flow splitters or conveyance elements must be based on
approved continuous simulation modeling analysis. The design must assure
that flows delivered to Type 5 stream reaches will approximate, but in no
case exceed, durations ranging from 50% of the 2-year to the 50-year peak
flow.
o Flow splitters or conveyance elements that deliver flow to category IV
wetlands must also be designed using approved continuous simulation
modeling to preserve pre -project wetland hydrologic conditions unless
specifically waived or exempted by regulatory agencies with permitting
jurisdiction.
The TDA must be drained by a conveyance system that is comprised entirely of
manmade conveyance elements (e.g. pipes, ditches, outfall protection).
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The conveyance system must extend to the ordinary high-water mark of the
exempt receiving water (or the mean higher high-water mark for tidally
influenced exempt receiving waters). To avoid construction activities in sensitive
areas, an alternative to extending the conveyance system to the ordinary high-
water mark is to ensure that flows are properly dispersed before reaching the
buffer zone of the sensitive or critical area.
• The conveyance system between the TDA and the exempt receiving water shall
have sufficient hydraulic capacity (per local jurisdiction conveyance sizing
requirements) to convey discharges from future build -out conditions (under
current zoning) from contributing areas of the Site, and the existing condition
from contributing off -site areas.
• Any erodible elements of the manmade conveyance system must be adequately
stabilized to prevent erosion under the conditions noted above.
Note that Ecology does not consider newly constructed or reconstructed stream
channels to be manmade conveyance elements.
Permittees may petition Ecology to exempt projects in additional areas. A petition must
justify the proposed exemption based upon a hydrologic analysis that demonstrates that
the potential stormwater runoff from the exempted area will not significantly increase
the erosion forces on the stream channel nor have near field impacts. See Appendix I -A:
Flow Control Exempt Receiving Waters in the SWMMWW for details
TDA Thresholds
Each TDA within a project that requires Minimum Requirement #7 (per the Project
Thresholds in Section 3. Applicability of the Minimum Requirements) must be reviewed
to determine if Flow Control BMPs are required for the TDA to be in compliance with
Minimum Requirement #7.
Note that it is possible for a project that triggers the thresholds for Minimum
Requirement #7, per the Project Thresholds in Section 3. Applicability of the Minimum
Requirements, to not need Flow Control BMP(s) in one or more individual TDAs to be in
compliance with Minimum Requirement #7. If a TDA does not trigger any of the TDA
thresholds for Flow Control BMPs, then the designer must document the areas within
the TDA used to determine that none of the TDA thresholds are met. This
documentation will demonstrate compliance with Minimum Requirement #7 for the
TDA.
When assessing a TDA against the following thresholds, only consider the types of
surfaces (e.g. new hard surfaces, replaced hard surfaces, converted vegetation areas)
that are subject to Minimum Requirement #7, per the Project Thresholds in Section 3.
Applicability of the Minimum Requirements.
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The following TDAs require construction of Flow Control BMPs to achieve the Flow
Control Performance Standard. If a TDA meets any of the following thresholds, Flow
Control BMPs are required. The project proponent must demonstrate that the TDA does
not meet any of the following thresholds for Flow Control BMPs to not be required for
that TDA.
TDAs that have a total of 10,000 square feet or more of effective impervious
surfaces, or
• TDAs that convert % acres or more of native vegetation, pasture, scrub/shrub, or
unmaintained non-native vegetation to lawn or landscape, or convert 2.5 acres or
more of native vegetation to pasture, and from which there is a surface discharge
in a natural or man-made conveyance system from the TDA, or
• TDAs that through a combination of effective hard surfaces and converted
vegetation areas cause a 0.15 cubic feet per second (cfs) or greater increase in the
100-year flow frequency as estimated using an approved continuous simulation
model and 15-minute time steps.
The 0.15 cfs increase should be a comparison of the post project runoff to the
existing condition runoff. For the purpose of applying this threshold, the existing
condition is either the pre -project land cover, or the land cover that existed prior
to the first issue date of the Municipal Stormwater Permit to the local jurisdiction.
Flow Control Performance Standard
Stormwater discharges shall match developed discharge durations to pre -developed
durations for the range of pre -developed discharge rates from 50% of the 2-year peak
flow up to the full 50-year peak flow. The pre -developed condition to be matched shall
be a forested land cover unless:
Reasonable, historic information is provided that indicates the site was prairie
prior to settlement (modeled as pasture in the approved continuous simulation
model); or,
• The drainage area of the immediate stream and all subsequent downstream
basins have had at least 40% total impervious area (TIA) since 1985. Figure 1-3.4:
Basins with 40% Total Impervious Area as of 1985 in the SWMMWW depicts
those areas which meet this criterion.
In this case, the pre -developed condition to be matched shall be the existing land
cover condition. Where basin -specific studies determine a stream channel to be
unstable, even though the above criterion is met, the pre -developed condition
assumption shall be the "historic" land cover condition, or a land cover condition
commensurate with achieving a target flow regime identified by an approved
basin study.
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Alternative Flow Control Performance Standard
An alternative Flow Control Performance Standard may be established through
application of watershed -scale hydrologic modeling and supporting field observations.
Possible reasons for an alternative Flow Control Performance Standard include:
• Establishment of a stream —specific threshold of significant bedload movement
other than the assumed 50% of the 2-year peak flow;
• Zoning and Land Clearing Ordinance restrictions that, in combination with an
alternative Flow Control Performance Standard, maintain or reduce the naturally
occurring erosive forces on the stream channel; or
• A duration control standard is not necessary for protection, maintenance, or
restoration of designated and existing beneficial uses or Clean Water Act
compliance.
See the SWMMWW for details on how an Alternative Flow Control Performance
Standard may be established.
Additional Requirement
Flow Control BMPs shall be selected in accordance with 111-1.3 Choosing Your Flow
Control BMPs and designed and maintained in accordance with Volume V of the
SWMMWW.
4.8 Minimum Requirement #8: Wetlands Protection
All new development and redevelopment projects meeting the Project Thresholds in
Section 3. Applicability of the Minimum Requirements shall include Stormwater
Management BMPs in accordance with the following thresholds, standards, and
requirements to reduce the impacts of stormwater runoff to wetlands.
TDA Thresholds
This Minimum Requirement applies only to TDAs whose stormwater discharges into a
wetland, either directly or indirectly through a conveyance system.
Each TDA within a project that requires Minimum Requirement #8 (per the Project
Thresholds in Section 3. Applicability of the Minimum Requirements) must be reviewed
to determine what Level(s) of Wetland Protection must be applied to the TDA to comply
with Minimum Requirement #8. The Level(s) of Wetland Protection that must be
applied are dependent upon:
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• The category of wetland that the TDA is discharging to,
• Whether or not the TDA triggers the requirement for Flow Control BMPs per the
TDA Thresholds in 4.7 Minimum Requirement #7: Flow Control,
• Whether or not the wetland is a depressional or impounded wetland,
• Whether or not the project proponent has legal access to the wetland,
• The wetland habitat score,
• Whether or not the wetland provides habitat for rare, endangered, threatened,
and/or sensitive species, and
• Presence of a breeding population of native amphibians.
Refer to Figure 5: Flow Chart for Determining Wetland Protection Level Requirements
to determine what Level(s) of Wetland Protection must be applied to comply with
Minimum Requirement #8.
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Figure 5: Flow Chart for Determining Wetland Protection Level Requirements
Category Start Here Category
or 11 What category of wetand does the TDA III or IV
discharge (directly or indirectly) to?
Does the TDA trigger the requirement for Flow Does the TDA trigger the requirement for Flow
Control BMPs per the TDA Thresholds outlined Control BMPs per the TDA Thresholds outlined
in Minimum Requirement #7: Flow Control? in Minimum Requirement #7: Flow Control?
Yes No
No Yes
Is the habitat score
greater than 5?
Is the wetland Yes
depressional or nverine NO
impounding? ... ...
AND Does the wetland provide habitat for rare,
Does the project No endangered, threatened, or sensitive species?
proponent have legal OR
access to the wetland? Does the wetland contain a breeding
population of any native amphibian?
Yes No The following Wetland Protection Yes
Levels apply to the TDA:
• General Protection
• Protection from Pollutants
The following Wetland Protection The following Wetland Protection
Levels apply to the TDA: Levels apply to the TDA:
• General Protection
• Protection from Pollutants
• Wetland Hydroperiod Protection
(Method 1)
DEPARTMENT OF
ECOLOGY
State of Washington
• General Protection
• Protection from Pollutants
• Wetland Hydroperiod Protection
(Method 2)
Flow Chart for Determining
the Wetland Protection Levels Required
Revised May 2019
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Levels of Wetland Protection
The following Levels of Wetland Protection are further explained in Appendix I-C.
Wetland Protection Guidelines in the SWMMWW.
General Protection
General Protection includes general practices that benefit wetlands of all types.
Protection from Pollutants
Protection from Pollutants includes measures to protect the wetland from pollutants in
stormwater runoff. Measures of protection include Construction Stormwater BMPs,
Source Control BMPs, LID practices and principles, and Runoff Treatment BMPs.
Wetland Hydroperiod Protection
Wetland Hydroperiod Protection includes measures to avoid excessive hydrologic
alteration of existing wetlands from development. There are two methods within
Wetland Hydroperiod Protection:
Method 1: Monitoring and Wetland Stage Modeling
This method requires data collection specific to the wetland, as well as continuous
simulation modeling to demonstrate that the proposed project will not negatively
alter the wetland hydrology.
• Method 2: Site Discharge Modeling
This method requires continuous simulation modeling of the runoff from the TDA
to demonstrate that the changes in total discharge volume to the wetland will
remain similar to the pre -development condition.
Additional Requirements
Stormwater Management BMPs shall not be built within a wetland or its buffer, except
for:
• Necessary conveyance systems as approved by the Permittee; or
• As allowed in I-C.6 Compensatory Mitigation of Wetlands in the SWMMWW.
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4.9 Minimum Requirement #9: Operation and Maintenance
All new development and redevelopment projects meeting the Project Thresholds in
Section 3. Applicability of the Minimum Requirements shall create an operation and
maintenance (0&M) manual for all BMPs used to meet 4.6 Minimum Requirement #6:
Runoff Treatment, 4.7 Minimum Requirement #7: Flow Control, and/or 4.8 Minimum
Requirement #8: Wetlands Protection.
The 0&M manual shall identify:
Maintenance requirements that are consistent with the provisions in Volume V of
the SWMMWW, and
• The party (or parties) responsible for the operation, maintenance, and long-term
funding source(s).
For private facilities approved by the Permittee, a copy of the O&M manual shall be
retained on site or within reasonable access to the site and shall be transferred with the
property to the new owner. For public facilities, a copy of the 0&M manual shall be
retained in the appropriate department.
A log of maintenance activity that indicates what actions were taken shall be kept and
be available for inspection by the local government.
Section 5. Adjustments
Adjustments to the Minimum Requirements may be granted by the Permittee provided
that written findings of fact are prepared that address the following:
• The adjustment provides substantially equivalent environmental protection.
• Based on sound Engineering practices, the objectives of safety, function,
environmental protection, and facility maintenance are met.
Section 6. Exceptions
Exceptions to the Minimum Requirements may be granted by the Permittee following
legal public notice of an application for an exception, legal public notice of the
Permittee's decision on the application, and written findings of fact that document the
Permittee's determination to grant an exception. Permittees shall keep records,
including the written findings of fact, of all local exceptions to the Minimum
Requirements.
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The Permittee may grant an exception to the Minimum Requirements if such application
imposes a severe and unexpected economic hardship. To determine whether the
application imposes a severe and unexpected economic hardship on the project
applicant, the Permittee must consider and document, with written findings of fact, the
following:
• The current (pre -project) use of the Site, and
• How the application of the Minimum Requirement(s) restricts the proposed use of
the Site compared to the restrictions that existed prior to the adoption of the
Minimum Requirements; and
• The possible remaining uses of the Site if the exception were not granted; and
• The uses of the Site that would have been allowed prior to the adoption of the
Minimum Requirements; and
• A comparison of the estimated amount and percentage of value loss as a result of
the Minimum Requirements versus the estimated amount and percentage of
value loss as a result of requirements that existed prior to adoption of the
Minimum Requirements; and
• The feasibility for the owner to alter the project to apply the Minimum
Requirements.
In addition, any exception must meet the following criteria:
• The exception will not increase risk to the public health and welfare, nor be
injurious to other properties in the vicinity and/or downstream, and to the quality
of waters of the state; and
• The exception is the least possible exception that could be granted to comply with
the intent of the Minimum Requirements.
Section 7. Altering the Minimum Requirements with Basin Plans
Basin Plans provide a mechanism by which the performance standards in the Minimum
Requirements can be evaluated and refined based on an analysis of a basin or
watershed. Basin Plans may be used to develop control strategies to address impacts
from future development and to correct specific problems whose sources are known or
suspected. Basin Plans can be effective at addressing both long-term cumulative impacts
of pollutant loads and short-term acute impacts of pollutant concentrations, as well as
hydrologic impacts to streams, wetlands, and groundwater resources.
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Basin Plans may be used by the Permittee to revise the default standards of the
following Minimum Requirements:
• 4.5 Minimum Requirement #5: On -Site Stormwater Management,
• 4.6 Minimum Requirement #6: Runoff Treatment,
• 4.7 Minimum Requirement #7: Flow Control, and/or
• 4.8 Minimum Requirement #8: Wetlands Protection.
For a Basin Plan to serve as a means of revising the standards of one or more of the
Minimum Requirements listed above, the following conditions must be met:
• The Basin Plan must be formally adopted by all jurisdictions with responsibilities
under the plan; and
• All ordinances or regulations called for by the Basin Plan must be in effect; and
• The Basin Plan must be reviewed and approved by Ecology.
Basin Plans may also be used to demonstrate an equivalent level of Runoff Treatment,
Flow Control, and/or wetland protection through the construction and use of regional
stormwater facilities.
Basin Plans will require the use of continuous runoff computer models and field work to
verify and support the models. Permittees who are considering the use of Basin Plans to
revise the default standards of one or more of the Minimum Requirements are
encouraged to contact Ecology early in the planning stage.
Some examples of how Basin Plans can alter the Minimum Requirements are given in
within the guidance for each Minimum Requirement in the SWMMWW. See /-3.4
Minimum Requirements (MRs) in the SWMMWW.
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APPENDIX 2 - TOTAL MAXIMUM DAILY LOAD (TMDL) REQUIREMENTS
Additional Permit requirements are based on applicable TMDLs in accordance with Special
Condition S7-Compliance with Total Maximum Daily Load Requirements
TABLE OF CONTENTS
WRIA 1 - Nooksack River Watershed Bacteria TMDL..............................................................................2
WRIA 1 - Lake Whatcom Watershed Total Phosphorus and Bacteria Total Maximum Daily Loads .............5
WRIA 3 — Padilla Bay Freshwater Tributaries Fecal Coliform Bacteria Total Maximum Daily Load...............8
WRIA 5 - Stillaguamish River..............................................................................................................10
WRIA 7 - Snohomish River Tributaries................................................................................................12
WRIA8 - North Creek........................................................................................................................15
WRIA8 - Swamp Creek......................................................................................................................17
WRIA 8 - Bear -Evans Watershed........................................................................................................19
WRIA 8 - Issaquah Creek Basin Water Cleanup Plan for Fecal Coliform Bacteria.....................................21
WRIA 8 - Little Bear Creek Fecal Coliform Water Quality Improvement Project......................................23
WRIA 10 — Lower White River pH TMDL..............................................................................................25
WRIA 10 - Puyallup Watershed Water Quality Improvement Project.....................................................28
WRIA 10 - Clarks Creek Fecal Coliform TMDL.......................................................................................35
WRIA 10 - Clarks Creek Dissolved Oxygen and Sediment Total Maximum Daily Load...............................37
WRIA 10 - South Prairie Creek Water Quality Improvement Project......................................................41
WRIA 11- Nisqually River Basin Water Quality Improvement Project....................................................43
WRIA 13 - Henderson Inlet Watershed Fecal Coliform Bacteria Water Quality Improvement Project .......45
WRIA 13 - Deschutes River Watershed...............................................................................................48
WRIA13—Budd Inlet........................................................................................................................49
WRIA 14 - Oakland Bay, Hammersley Inlet, and Selected Tributaries Fecal Coliform TMDL......................50
WRIA 15 - Sinclair and Dyes Inlets Fecal Coliform Bacteria Total Maximum Daily Load ............................52
WRIA 22 - Grays Harbor/Chehalis Watershed Fecal Coliform Bacteria Total Maximum Daily Load ............
56
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Name of TMDL
WRIA 1 - NOOKSACK RIVER WATERSHED BACTERIA TMDL
Document(s) for
Nooksack River Watershed Bacteria Total Maximum Daily Load,
TMDL
June 2000, Ecology Publication No. 00-10-036.
https://fortress.wa.gov/ecy/publications/publications/0010036.pdf
Nooksack River Watershed Bacteria Total Maximum Daily Load
Detailed Implementation Plan, January 2002, Ecology Publication No.
01-10-060.
https://fortress.wa.gov/ecy/publications/publications/0110060.pdf
Location of
WA-01-1010, WA-01-1012, WA-01-1014, WA-01-1015, WA-01-1016,
Original 303(d)
WA-01-1110, WA-01-1111, WA-01-1115, WA-01-1116, WA-01-1117,
Listings
WA-01-1118, WA-01-1119, WA-01-1120, WA-01-1125, AR42TO,
BX84LO, UZ70KA, LLPL
Area Where
TMDL coverage includes areas served by an MS4 draining to the
TMDL
Nooksack River and its tributaries, Fishtrap Creek, Bertrand Creek,
Requirements
Double Ditch drain, Duffner Ditch, Bender road ditch, between
Apply
Nugents Corner and Marine Drive.
Parameter(s)
Fecal Coliform
EPA Approval
August 8, 2000
Date
MS4 Permittee
Phase II Permit: City of Ferndale WAR04-5552
Phase II Permit: City of Lynden WAR04-5719
CITY OF FERNDALE
Actions Required
Business Inspections:
The Permittee shall inspect facilities with SIC Industry Group no. 074, 075, including NAICS Major
Group 1152xx, and NAICS 325315 (composting facilities) as part of their ongoing inspection
program identified in S5.C.8. If the Permittee determines, through inspections or otherwise, that
a facility has failed to adequately implement BMPs to prevent bacteria source potential, the
Permittee shall re -inspect the facility at least once more during the permit term to verify
compliance, and/or initiate enforcement action.
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Public Education and Outreach:
Each Permittee shall include public education and outreach activities that increase awareness of
bacterial pollution problems and promote proper pet waste management as a BMP under
General Awareness.
Operations and Maintenance:
Each Permittee shall maintain Pet Waste collection stations at Permittee owned or operated
lands that are reasonably expected to have domestic animal (dog and horse) use and the
potential for pollution to stormwater.
Illicit Connection/Illicit Discharge Detection and Elimination:
When conducting IDDE field screening during normal course of business (as required by S5.C.5.d
for Phase II Permittees, and IDDE as required by S5.C.9.c for Phase I Permittees) in a TMDL area,
Permittees shall obtain a grab sample to screen for bacteria sources when at the drainage
circuit's most downstream sampling location if there is water flow. For the purposes of IDDE,
stormwater quality sampling is defined as obtaining and processing grab samples of stormwater
within the conveyance system of the MS4, at discharge points, and/or outfalls (if there is flow) at
each drainage circuit's most downstream accessible sampling location. Permittees shall follow
their adopted IDDE Procedures to conduct source tracing efforts if bacteria levels and/or
observations trigger a response (see IDDE guidance manual for bacteria trigger levels).
Qualitative and quantitative information about the source identification and elimination
activities, including procedures followed, sampling locations, and results (including documenting
no flow) shall be annually documented in TMDL reporting in the Annual Report.
CITY OF LYNDEN
Actions Required
Business Inspections:
The Permittee shall inspect facilities with SIC Industry Group no. 074, 075, including NAICS Major
Group 1152xx, and NAICS 325315 (composting facilities) as part of their ongoing inspection
program identified in S5.C.8. If the Permittee determines, through inspections or otherwise, that
a facility has failed to adequately implement BMPs to prevent bacteria source potential, the
Permittee shall re -inspect the facility at least once more during the permit term to verify
compliance, and/or initiate enforcement action.
Public Education and Outreach:
Each Permittee shall include public education and outreach activities that increase awareness of
bacterial pollution problems and promote proper pet waste management as a BMP under
General Awareness.
APPENDIX 2 - Total Maximum Daily Load (TMDL) Requirements -August 1, 2024 Pa e 3 of 58
age 307 of 769
Phase I and Western Washington Phase II
Municipal Stormwater Permits
Operations and Maintenance:
Each Permittee shall maintain Pet Waste collection stations at Permittee owned or operated
lands that are reasonably expected to have domestic animal (dog and horse) use and the
potential for pollution to stormwater.
Illicit Connection/ Illicit Discharge Detection and Elimination:
When conducting IDDE field screening during normal course of business (as required by S5.C.5.d
for Phase II Permittees, and IC/IDDE as required by SS.C.9.c for Phase I Permittees) in a TMDL
area, Permittees shall obtain a grab sample to screen for bacteria sources when at the drainage
circuit's most downstream sampling location if there is water flow. For the purposes of IC/IDDE,
stormwater quality sampling is defined as obtaining and processing grab samples of stormwater
within the conveyance system of the MS4, at discharge points, and/or outfalls (if there is flow) at
each drainage circuit's most downstream accessible sampling location. Permittees shall follow
their adopted IDDE Procedures to conduct source tracing efforts if bacteria levels and/or
observations trigger a response (see IDDE guidance manual for bacteria trigger levels).
Qualitative and quantitative information about the source identification and elimination
activities, including procedures followed, sampling locations, and results (including documenting
no flow) shall be annually documented in TMDL reporting in the Annual Report.
APPENDIX 2 - Total Maximum Daily Load (TMDL) Requirements -August 1, 2024 Pa e 4 of 58
gage 308 of 769
Phase I and Western Washington Phase 11
Municipal Stormwater Permits
Name of TMDL
WRIA 1 - LAKE WHATCOM WATERSHED TOTAL
PHOSPHORUS AND BACTERIA TMDL
EPA Approved
Lake Whatcom Watershed Total Phosphorus and Bacteria Total
Document(s) for
Maximum Daily Loads. Volume 1 (Water Quality Study Findings),
TMDL
November 2008, Ecology Publication No. 08-03-024
https://fortress.wa.gov/ecy/publications/summarVpages/0803024.html
Volume 2 (Water Quality Improvement Report and Implementation
Strategy) November 2014 revised February 2016, Ecology Publication
No. 13-10-012
Location of Original
Whatcom Lake 5846 and 8621 (WA-01-9170)
303(d) Listings
Austin Creek 9719
Anderson Creek 39036
Brannian Creek 45603
Smith Creek 39145
Olsen Creek 45589 (WA-01-3150)
Carpenter Creek 45604
Euclid Creek 45618
Silver Beach Creek 45633 (WA-01-3120)
Mill Wheel Creek 45652
Euclid Creek 48035
Area Where TMDL
These requirements apply to areas served by MS4s within the City of
Requirements Apply
Bellingham and Whatcom County
Parameter(s)
Total Phosphorus, Fecal Coliform Bacteria
EPA Approval Date
April 7, 2016
M54 Permittee
City of Bellingham WAR04-5550
Whatcom County WAR04-5557
CITY OF BELLINGHAM & WHATCOM COUNTY
Actions Required
Business Inspections:
The Permittee shall inspect facilities with SIC Industry Group no. 074, 075, including NAICS Major
Group 1152xx, and NAICS 325315 (composting facilities) as part of their ongoing inspection
program identified in S5.C.8. If the Permittee determines, through inspections or otherwise, that
APPENDIX 2 - Total Maximum Daily Load (TMDL) Requirements - August 1, 2024 Pa e 5 of 58
gage 309 of 769
Phase I and Western Washington Phase ll
Municipal Stormwater Permits
a facility has failed to adequately implement BMPs to prevent bacteria source potential, the
Permittee shall re -inspect the facility at least once more during the permit term to verify
compliance, and/or initiate enforcement action.
Public Education and Outreach:
Each Permittee shall include public education and outreach activities that increase awareness of
bacterial pollution problems and promote proper pet waste management as a BMP under
General Awareness.
Operations and Maintenance:
Each Permittee shall maintain Pet Waste collection stations at Permittee owned or operated
lands that are reasonably expected to have domestic animal (dog and horse) use and the
potential for pollution to stormwater.
All permanent stormwater treatment facilities/BMPs within the TMDL area that treat phosporus
shall be inspected and maintained in accordance with the requirements of S5.C.9.b and S5.C.9.c;
reduced inspection frequency options do not apply.
Illicit Connection/ Illicit Discharge Detection and Elimination:
When conducting IDDE field screening during normal course of business (as required by S5.C.5.d
for Phase II Permittees, and IC/IDDE as required by S5.C.9.c for Phase I Permittees) in a TMDL
area, Permittees shall obtain a grab sample to screen for bacteria sources when at the drainage
circuit's most downstream accessible sampling location if there is water flow. For the purposes of
IC/IDDE, stormwater quality sampling is defined as obtaining and processing grab samples of
stormwater within the conveyance system of the MS4, at discharge points, and/or outfalls (if
there is flow) at each drainage circuit's most downstream accessible sampling location.
Permittees shall follow their adopted IDDE Procedures to conduct source tracing efforts if
bacteria levels and/or observations trigger a response (see IDDE guidance manual for bacteria
trigger levels).
Qualitative and quantitative information about the source identification and elimination
activities, including procedures followed, sampling locations, and results (including documenting
no flow) shall be annually documented in TMDL reporting in the Annual Report.
APPENDIX 2 - Total Maximum Daily Load (TMDL) Requirements -August 1, 2024 Pa e 6 of 58
gage 310 of 769
Phase 1 and Western Washington Phase 11
Municipal Stormwater Permits
Administration
a. By March 31, 2028, the City and the County shall submit a draft update of the "Lake
Whatcom Implementation" tasks as developed under the previous permit term. The
updated draft will include actions for the next permit term that build upon 2024-2029
implementation tasks. The City and the County shall finalize the Lake Whatcom
Implementation tasks for 2029-2034 and submit with the March 31, 2029 Annual Report.
b. Include in the Annual Report the phosphorus reduction activities based on the current
accepted TMDL reassessment model and the 2024-2029 "Lake Whatcom Implementation"
tasks.
APPENDIX 2 - Total Maximum Daily Load (TMDL) Requirements -August 1, 2024 Pa e 7 of 58
Wage 311 of 769
Phase 1 and Western Washington Phase 11
Municipal5tormwoter Permits
Name of TMDL
WRIA 3 - PADILLA BAY FRESHWATER TRIBUTARIES
FECAL COLIFORM BACTERIA TOTAL MAXIMUM DAILY
LOAD
Document(s) for
Padilla Bay Freshwater Tributaries Fecal Coliform Bacteria Total
TMDL
Maximum Daily Load Report - Water Quality Improvement Report
and Implementation Plan (20-10-036)
https://apps.ecology.wa.gov/publications/documents/2010036.pdf
Location of Original
Big Indian Slough (45711)
303(d) Listings
No Name Slough (7158)
Joe Leary Slough (16410)
Joe Leary Slough (39607)
Joe Leary Slough (39608)
Area Where TMDL
These requirements apply to areas served by MS4s listed below
Requirements
within the TMDL coverage area.
Apply
Parameter(s)
Fecal coliform bacteria
EPA Approval Date
December 22"d, 2020
M54 Permittee
Phase II Permit: Skagit County (WAR045556), City of Burlington
(WAR045551)
SKAGIT COUNTY & CITY OF BURLINGTON
Actions Required
Business Inspections:
The Permittee shall inspect facilities with SIC Industry Group no. 074, 075, including NAICS Major
Group 1152xx, and NAICS 325315 (composting facilities) as part of their ongoing inspection
program identified in S5.C.8. If the Permittee determines, through inspections or otherwise, that
a facility has failed to adequately implement BMPs to prevent bacteria source potential, the
Permittee shall re -inspect the facility at least once more during the permit term to verify
compliance, and/or initiate enforcement action.
APPENDIX 2 - Total Maximum Daily Load (TMDL) Requirements -August 1, 2024 Pa e 8 of 58
gage 312 of 769
Phase l and Western Washington Phase 11
Municipal Stormwater Permits
Public Education and Outreach:
Each Permittee shall include public education and outreach activities that increase awareness of
bacterial pollution problems and promote proper pet waste management as a BMP under
General Awareness.
Operations and Maintenance:
Each Permittee shall maintain Pet Waste collection stations at Permittee owned or operated
lands that are reasonably expected to have domestic animal (dog and horse) use and the
potential for pollution to stormwater.
Illicit Connection/Illicit Discharge Detection and Elimination:
When conducting IDDE field screening during normal course of business (as required by S5.C.5.d
for Phase II Permittees, and IC/IDDE as required by S5.C.9.c for Phase I Permittees) in a TMDL
area, Permittees shall obtain a grab sample to screen for bacteria sources when at the drainage
circuit's most downstream sampling location if there is water flow. For the purposes of IC/IDDE,
stormwater quality sampling is defined as obtaining and processing grab samples of stormwater
within the conveyance system of the MS4, at discharge points, and/or outfalls (if there is flow) at
each drainage circuit's most downstream accessible sampling location. Permittees shall follow
their adopted IDDE Procedures to conduct source tracing efforts if bacteria levels and/or
observations trigger a response (see IDDE guidance manual for bacteria trigger levels).
Qualitative and quantitative information about the source identification and elimination
activities, including procedures followed, sampling locations, and results (including documenting
no flow) shall be annually documented in TMDL reporting in the Annual Report.
APPENDIX 2 - Total Maximum Daily Load (TMDL) Requirements - August 1, 2024 Pa e 9 of 58
gage 313 of 769
Phase 1 and Western Washington Phase ll
Municipal5tormwater Permits
Name of TMDL
WRIA 5 - STILLAGUAMISH RIVER
EPA Approved
Stillaguamish River Watershed Fecal Coliform, Dissolved Oxygen, pH,
Document(s) for
Arsenic, and Mercury Total Maximum Daily Load (Water Cleanup Plan)
TMDL
—Submittal Report, May 2005, Ecology Publication No. 05-10-044.
https://fortress.wa.gov/ecy/publications/publications/OS10044.pdf
Stillaguamish River Watershed Fecal Coliform, Dissolved Oxygen, pH,
Arsenic, and Mercury Total Maximum Daily Load (Water Cleanup Plan)
— Water Quality Implementation Plan, June 2007, Ecology Publication
No. 07-10-033.
https://fortress.wa.gov/ecy/publications/documents/0710033.pdf
Location of
QJ28UC, HD760J, JU33JU, GH05SX, IJ55EP, VJ74AO, 390KRD, OT80TY,
Original 303(d)
QE93BW, Z073WL, W038NV, SN06ZT, LU17DC
Listings
Area Where
Requirements apply in all areas regulated under the Permittees'
TMDL
municipal stormwater permit and draining to fresh or marine waters
Requirements
within Water Resource Inventory Area (WRIA) 5
Apply
Parameter
Fecal Coliform, Dissolved Oxygen
EPA Approval
June 21, 2005
Date
MS4 Permittee
Phase I Permit: Snohomish County
Phase II Permit: Arlington
SNOHOMISH COUNTY & CITY OF ARLINGTON
Actions Required
Business Inspections:
Each Permittee shall continue their ongoing inspection programs for facilities with SIC Industry
Group no. 074, 075, including NAICS Major Group 1152xx, and NAICS 325315 (composting
facilities). If the Permittee determines, through inspections or otherwise, that a facility has failed
to adequately implement BMPs to prevent bacteria source potential, each Permittee shall re-
inspect the facility at least once more during the permit term to verify compliance, and/or initiate
enforcement actions.
APPENDIX 2 - Total Maximum Daily Load (TMDL) Requirements - August 1, 2024 Page 10 of 58
Page 314 of 769
Phase 1 and Western Washington Phase 11
Municipal Storm water Permits
Public Education and Outreach:
Each Permittee shall include public education and outreach activities that increase awareness of
bacterial pollution problems and promote proper pet waste management as a BMP under
General Awareness.
Operations and Maintenance:
Each Permittee shall maintain Pet Waste collection stations at Permittee owned or operated
lands that are reasonably expected to have domestic animal (dog and horse) use and the
potential for pollution to stormwater.
Illicit Connection/ Illicit Discharge Detection and Elimination:
When conducting IDDE field screening during normal course of business (as required by S5.C.5.d
for Phase II Permittees, and IC/IDDE as required by S5.C.9.c for Phase I Permittees) in a TMDL
area, Permittees shall obtain a grab sample to screen for bacteria sources when at the drainage
circuit's most downstream sampling location if there is water flow. For the purposes of IC/IDDE,
stormwater quality sampling is defined as obtaining and processing grab samples of stormwater
within the conveyance system of the MS4, at discharge points, and/or outfalls (if there is flow) at
each drainage circuit's most downstream accessible sampling location. Permittees shall follow
their adopted IDDE Procedures to conduct source tracing efforts if bacteria levels and/or
observations trigger a response (see IDDE guidance manual for bacteria trigger levels).
Qualitative and quantitative information about the source identification and elimination
activities, including procedures followed, sampling locations, and results (including documenting
no flow) shall be annually documented in TMDL reporting in the Annual Report.
APPENDIX 2 -Total Maximum Daily Load (TMDL) Requirements -August 1, 2024 Page 11 of 58
Page 315 of 769
Phase 1 and Western Washington Phase 11
Municipal Stormwater Permits
Name of TMDL
WRIA 7 - SNOHOMISH RIVER TRIBUTARIES
EPA Approved
Water Quality Assessment of Tributaries to the Snohomish River and
Document(s) for
Nonpoint Source Pollution TMDL, September 1997, Ecology Publication
TMDL
No. 97-334.
https://fortress.wa.gov/ecy/publications/SummaryPages/97334.html
Snohomish River Tributaries Fecal Coliform Total Maximum Daily Load
Submittal Report, June 2001, Ecology publication No. 00-10-087.
https://fortress.wa.gov/ecy/publications/summarVpages/0010087.html
Lower Snohomish River Tributaries Fecal Coliform Bacterial Total
Maximum Daily Load: Detailed Implementation Plan, June 2003, Ecology
Publication
No. 03-10-031.
https://fortress.wa.gov/ecy/publications/documents/0310031.pdf
Location of
WA-07-1012, WA-07-015, WA-07-1052, WA-07-1163WA-07-1163,
Original 303(d)
WA-07-1030 and WA-07-040
Listings
Area Where
Requirements apply in all areas regulated under the Permittees'
TMDL
municipal stormwater permit and draining to the WASWIS segment
Requirements
number, and all upstream tributaries within the jurisdiction of the
Apply
Permittee and within the geographic area covered by this Permit
contributing to waterbodies: Allen Creek, YT94RF: Quilceda Creek,
TH58TS: French Creek, XZ24XU: Woods Creek, FZ74HO: Pilchuck River,
NF79WA: Marshland Watershed, XW79FQ.
Parameter
Fecal Coliform
EPA Approval
August 9, 2001
Date
MS4 Permittee
Phase I Permit: Snohomish County
Phase II Permit: Granite Falls, Lake Stevens, Monroe, Snohomish,
Marysville, Arlington, Everett
APPENDIX 2 -Total Maximum Daily Load (TMDL) Requirements -August 1, 2024 Page 12 of 58
Page 316 of 769
Phase 1 and Western Washington Phase II
Municipal Storm water Permits
SNOHOMISH COUNTY
Actions Required
Business Inspections:
Each Permittee shall continue their ongoing inspection programs for facilities with SIC Industry
Group no. 074, 075, including NAICS Major Group 1152xx, and NAICS 325315 (composting
facilities). If the Permittee determines, through inspections or otherwise, that a facility has failed
to adequately implement BMPs to prevent bacteria source potential, each Permittee shall re-
inspect the facility at least once more during the permit term to verify compliance, and/or initiate
enforcement actions.
Public Education and Outreach: Each Permittee shall include public education and outreach
activities that increase awareness of bacterial pollution problems and promote proper pet waste
management as a BMP under General Awareness.
Operations and Maintenance: Each Permittee shall maintain Pet Waste collection stations at
Permittee owned or operated lands that are reasonably expected to have domestic animal (dog
and horse) use and the potential for pollution to stormwater.
Targeted Illicit Connection and Illicit Discharge Detection and Elimination:
During each permit term, Permittees shall use their available data (such as land use data, age of
infrastructure, information on type of business activities, and water quality sampling results) to
identify at least one high priority area (such as a tributary or a stream segment) that will be the
target of a bacteria focused IC/IDDE effort. Sampling of stormwater shall be conducted as part of
the Permittee's Targeted IC/IDDE efforts to focus investigations on municipal stormwater
contributions of bacteria to receiving waters. For the purposes of Targeted IC/IDDE, stormwater
quality sampling is defined as obtaining grab samples of stormwater within the conveyance
system of the M54, and/or outfalls. Permittees shall annually screen for bacteria sources by
inspecting and taking grab samples (if there is flow) at each drainage circuit's most downstream
accessible sampling location. Permittees shall follow their adopted IDDE Procedures to conduct
source tracing efforts if bacteria levels and/or observations trigger a response (see IDDE guidance
manual for bacteria trigger levels).
No later than December 31, 2025, each Permittee shall have a written plan and include
documentation of how the high priority area was selected and include a preliminary sampling
schedule and locations. For Permittees with multiple TMDL areas, the plan may include rationale
for staggering the implementation in the identified high priority areas. Documentation shall be
submitted with the Annual Report due by March 31, 2026. Begin implementing the plan and
schedule no later than January 1, 2026, and implement annually within the high priority area
through December 31, 2028. For Permittees implementing a staggered schedule,
implementation may be extended to June 30, 2029. Qualitative and quantitative information
about the source identification and elimination activities, including procedures followed, all
APPENDIX 2 -Total Maximum Daily Load (TMDL) Requirements -August 1, 2024 Page 13 of 58
Page 317 of 769
Phase I and Western Washington Phase H
Municipal Stormwater Permits
sampling locations, and sampling results shall be annually documented in TMDL reporting in the
Annual Report. Sampling methodology must include collecting grab samples (or documenting no
flow) during the critical period if a critical period is identified in the TMDL.
CITY OF GRANITE FALLS, LAKE STEVENS, MONROE, SNOHOMISH, MARYSVILLE,
EVERETT AND ARLINGTON
Actions Required
Business Inspections:
Each Permittee shall continue their ongoing inspection programs for facilities with SIC Industry
Group no. 074, 075, including NAICS Major Group 1152xx, and NAICS 325315 (composting
facilities). If the Permittee determines, through inspections or otherwise, that a facility has failed
to adequately implement BMPs to prevent bacteria source potential, each Permittee shall re-
inspect the facility at least once more during the permit term to verify compliance, and/or initiate
enforcement actions.
Public Education and Outreach: Each Permittee shall include public education and outreach
activities that increase awareness of bacterial pollution problems and promote proper pet waste
management as a BMP under General Awareness.
Operations and Maintenance: Each Permittee shall maintain Pet Waste collection stations at
Permittee owned or operated lands that are reasonably expected to have domestic animal (dog
and horse) use and the potential for pollution to stormwater.
Illicit Connection/Illicit Discharge Detection and Elimination:
When conducting IDDE field screening during normal course of business (as required by S5.C.5.d
for Phase II Permittees, and IC/IDDE as required by S5.C.9.c for Phase I Permittees) in a TMDL
area, Permittees shall obtain a grab sample to screen for bacteria sources when at the drainage
circuit's most downstream accessible sampling location if there is water flow. For the purposes of
IC/IDDE, stormwater quality sampling is defined as obtaining and processing a grab samples of
stormwater within the conveyance system of the MS4, at discharge points, and/or outfalls (if
there is flow) at each drainage circuit's most downstream accessible sampling location.
Permittees shall follow their adopted IDDE Procedures to conduct source tracing efforts if
bacteria levels and/or observations trigger a response (see IDDE guidance manual for bacteria
trigger levels).
Qualitative and quantitative information about the source identification and elimination
activities, including procedures followed, sampling locations, and results (including documenting
no flow) shall be annually documented in TMDL reporting as required in the Permittees' Annual
Report.
APPENDIX 2 -Total Maximum Daily Load (TMDL) Requirements -August 1, 2024 Page 14 of 58
Page 318 of 769
Phase I and Western Washington Phase 11
Municipal Stormwoter Permits
Name of TMDL
WRIA 8 - NORTH CREEK
EPA Approved
North Creek Watershed: Total Maximum Daily Load Evaluation for Fecal
Document(s) for
Coliform Bacteria, June 2001, Ecology Publication No. 01-03-020.
TMDL
https://fortress.wa.gov/ecy/publications/summarypages/0103020.html
North Creek Fecal Coliform Total Maximum Daily Load Submittal Report,
June 2002, Ecology publication No. 02-10-020.
https://fortress.wa.gov/ecy/publications/summarypages/0210020.html
North Creek Fecal Coliform Bacteria Total Maximum Daily Load: Detailed
Implementation Plan, October 2003, Ecology Publication No. 03-10-047.
https://fortress.wa.gov/ecy/publications/SummaryPages/0310047.htmi
Location of
WA-08-1065
Original 303(d)
Listings
Area Where
Requirements apply in all areas regulated under the Permittees'
TMDL
municipal stormwater permit and draining to the portion of the WASWIS
Requirements
segment SM74QQ starting at the confluence with the Sammamish River
Apply
and including all upstream tributaries contributing to the North Creek
segment of WASWIS SM74QQ.
Parameter
Fecal Coliform
EPA Approval
August 2, 2002
Date
MS4 Permittee
Phase I Permit: Snohomish County
Phase II Permit: Everett, Bothell, Mill Creek
SNOHOMISH COUNTY & EVERETT, BOTHELL & MILL CREEK
Actions Required
Business Inspections: Each Permittee shall continue their ongoing inspection programs for
facilities with SIC Industry Group no. 074, 075, including NAICS Major Group 1152xx, and NAICS
325315 (composting facilities). If the Permittee determines, through inspections or otherwise,
that a facility has failed to adequately implement BMPs to prevent bacteria source potential, the
Permittee shall re -inspect the facility at least once more during the permit term to verify
compliance, and/or initiate enforcement actions.
APPENDIX 2 - Total Maximum Daily Load (TMDL) Requirements -August 1, 2024 Page 15 of 58
Page 319 of 769
Phase I and Western Washington Phase 11
Municipal Stormwater Permits
Public Education and Outreach: Each Permittee shall include public education and outreach
activities that increase awareness of bacterial pollution problems and promote proper pet waste
management as a BMP under General Awareness.
Operations and Maintenance: Each Permittee shall maintain Pet Waste collection stations at
Permittee owned or operated lands that are reasonably expected to have domestic animal (e.g.,
dog and horse) use and the potential for pollution to stormwater.
Targeted Illicit Connection and Illicit Discharge Detection and Elimination (IDDE): During each
permit term, Permittees shall use their available data (such as land use data, age of
infrastructure, information on type of business activities, and water quality sampling results) to
identify at least one high priority area (such as a tributary or a stream segment) that will be the
focus of a bacteria targeted IC/IDDE effort. Sampling of stormwater shall be conducted as part of
the Permittee's Targeted IDDE to focus investigations on municipal stormwater contributions of
bacteria to receiving waters. For the purposes of Targeted IC/IDDE, stormwater quality sampling
is defined as obtaining grab samples of stormwater within the conveyance system of the MS4
and/or outfalls. Annually Permittees shall screen for bacteria sources by taking grab samples (if
there is flow) at each drainage circuit's most downstream accessible sampling location.
Permittees shall follow the Permittee's own adopted IDDE Procedures to conduct source tracing
if bacteria levels and/or observations trigger a response (see IDDE annual for bacteria trigger
levels).
No later than December 31, 2025, each Permittee shall prepare a written plan and include
documentation of how the high priority area was selected and include a preliminary sampling
schedule and locations. For Permittees with multiple TMDL areas, the plan may include rationale
for staggering the implementation in the identified high priority areas. Documentation shall be
submitted with the Annual Report due by March 31, 2026. Permittees shall begin implementing
the plan and schedule no later than January 1, 2026. Targeted IC/IDDE shall be implemented
annually within the high priority area through December 31, 2028. For Permittees implementing
a staggered schedule, implementation may be extended to June 30, 2029. Qualitative and
quantitative information about the source identification and elimination activities, including
procedures followed, sampling locations, and results shall be documented annually in TMDL
reporting as required in the Permittee's Annual Report. Sampling methodology must include
collecting grab samples (or document no flow) during the critical period, if a critical period is
identified in the TMDL.
APPENDIX 2 -Total Maximum Daily Load (TMDL) Requirements -August 1, 2024 Page 16 of 58
Page 320 of 769
Phase 1 and Western Washington Phase 11
Municipal Stormwater Permits
Name of TMDL
WRIA 8 - SWAMP CREEK
EPA Approved
Swamp Creek Fecal Coliform Bacteria Total Maximum Daily Load: Water
Document(s) for
Quality Improvement Report and Implementation Plan, June 2006,
TMDL
Ecology Publication No. 06-10-021.
https://fortress.wa.gov/ecy/publications/publications/0610021.pdf
Location of
WA-08-1060
Original 303(d)
Listings
Area Where
Requirements apply in all areas regulated under the Permittees
TMDL
municipal stormwater permit and draining to the portion of the WASWIS
Requirements
segment SM74QQ starting at the confluence with the Sammamish River
Apply
and including all upstream tributaries contributing to the Swamp Creek
segment of WASWIS GJS7UL.
Parameter
Fecal Coliform
EPA Approval
August 16, 2006
Date
MS4 Permittee
Phase I Permit: Snohomish County
Phase II Permit: Everett, Bothell, Lynnwood, Brier, Mountlake Terrace,
Kenmore
SNOHOMISH COUNTY & CITY OF EVERETT, BOTHELL, LYNWOOD, BRIER, MOUNT
LAKE TERRACE & KENMORE
Actions Required
Business Inspections: Each Permittee shall continue their ongoing inspection programs for
facilities with SIC Industry Group no. 074, 07S, including NAICS Major Group 11S2xx, and NAICS
325315 (composting facilities). If the Permittee determines, through inspections or otherwise,
that a facility has failed to adequately implement BMPs to prevent bacteria source potential, the
Permittee shall re -inspect the facility at least once more during the permit term to verify
compliance, and/or initiate enforcement actions.
Public Education and Outreach: Each Permittee shall include public education and outreach
activities that increase awareness of bacterial pollution problems and promote proper pet waste
management as a BMP under General Awareness.
APPENDIX 2 - Total Maximum Daily Load (TMDL) Requirements -August 1, 2024 Page 17 of 58
Page 321 of 769
Phase I and Western Washington Phase I!
Municipal Stormwater Permits
Operations and Maintenance: Each Permittee shall maintain Pet Waste collection stations at
Permittee owned or operated lands that are reasonably expected to have domestic animal (e.g.,
dog and horse) use and the potential for pollution to stormwater.
Targeted Illicit Connection and Illicit Discharge Detection and Elimination: During each permit
term, Permittees shall use their available data (such as land use data, age of infrastructure,
information on type of business activities, and water quality sampling results) to identify at least
one high priority area (such as a tributary or a stream segment) that will be the focus of a
targeted IC/IDDE effort. Sampling of stormwater shall be conducted as part of the Permittee's
Targeted IC/IDDE efforts to focus investigations on municipal stormwater contributions of
bacteria to receiving waters. For the purposes of Targeted IC/IDDE, stormwater quality sampling
is defined as obtaining grab samples of stormwater within the conveyance system of the MS4
and/or outfalls. Permittees shall screen for bacteria sources annually by inspecting and taking
grab samples (if there is flow) at each drainage circuit's most downstream accessible sampling
location. Permittees shall follow their adopted IDDE Procedures to conduct source tracing efforts
if bacteria levels and/or observations trigger a response (see IDDE guidance manual for bacteria
trigger levels).
No later than December 31, 2025, each Permittee shall prepare a written plan and include
documentation of how the high priority area was selected and include a preliminary sampling
schedule and locations. For Permittees with multiple TMDL areas, the plan may include rationale
for staggering the implementation in the identified high priority areas. Documentation shall be
submitted with the Annual Report due by March 31, 2026. Permittees shall begin implementing
the plan and schedule no later than January 1, 2026. Targeted IC/IDDE shall be implemented
annually within the high priority area through December 31, 2028. For Permittees implementing
a staggered schedule, implementation may be extended to June 30, 2029. Qualitative and
quantitative information about the source identification and elimination activities, including
procedures followed, sampling locations, and results shall be documented annually in TMDL
reporting as required in the Permittee's Annual Report. Sampling methodology must include
collecting grab samples (or document no flow) during the critical period, if a critical period is
identified in the TMDL.
APPENDIX 2 - Total Maximum Daily Load (TMDL) Requirements - August 1, 2024 Page 18 of 58
Page 322 of 769
Phase 1 and Western Washington Phase Il
Municipal Stormwater Permits
Name of TMDL
WRIA 8 - BEAR-EVANS WATERSHED
Document(s) for
Bear -Evans Watershed Fecal Coliform Bacteria Total Maximum Daily Load,
TMDL
Water Quality Improvement Report, June 2008, Ecology Publication No. 08-
10-026. https://fortress.wa.gov/ecy/publications/documents/0810026.pdf
Bear -Evans Watershed Temperature, Dissolved Oxygen and Fecal Coliform
Bacteria Total Maximum Daily Load, Water Quality Implementation Plan,
March 2011, Ecology Publication No. 11-10-024.
https://fortress.wa.gov/ecy/publications/documents/1110024.pdf
Location of
Bear Creek (EW54VY, BA64JJ, WR69YU))
Original 303(d)
Cottage Lake Creek (N074.15)
Listings
Unnamed Tributary to Bear Creek (EU47RU)
Evans Creek (M167EG)
Area Where
Bear Creek and Evans Creek watersheds (includes Cottage Lake watershed)
TMDL
Requirements
Apply
Parameter
Fecal Coliform
EPA Approval
August 11, 2008
Date
MS4 Permittee
Phase I: King County
Phase II: No actions identified for Phase II Permittees
KING COUNTY
Actions Required
Business Inspections: The Permittee shall inspect facilities with SIC Industry Group no. 074, 075,
including NAICS Major Group 1152xx, and NAICS 325315 (composting facilities) as part of their
ongoing inspection program identified in S5.C.8. If the Permittee determines, through inspections
or otherwise, that a facility has failed to adequately implement BMPs to prevent bacteria source
potential, the Permittee shall re -inspect the facility at least once more during the permit term to
verify compliance, and/or initiate enforcement action.
Public Education and Outreach: The Permittee shall include public education and outreach
activities that increase awareness of bacterial pollution problems and promote proper pet waste
management as a BMP under General Awareness.
APPENDIX2 -Total Maximum Daily Load (TMDL) Requirements -August 1, 2024 Page 19 of 58
Page 323 of 769
Phase 1 and Western Washington Phase 11
Municipal Stormwater Permits
Operations and Maintenance: The Permittee shall maintain Pet Waste collection stations at
Permittee owned or operated lands that are reasonably expected to have domestic animal (e.g.,
dog and horse) use and the potential for pollution to stormwater.
Illicit Discharge Detection and Elimination: When conducting IDDE field screening during normal
course of business (as required by S5.C.9.c for Phase I Permittees) in a TMDL area, the Permittee
shall obtain a grab sample to screen for bacteria sources at the drainage circuit's most
downstream sampling location if there is water flow. For the purposes of IDDE, stormwater
quality sampling is defined as obtaining and processing grab samples of stormwater within the
conveyance system of the MS4, at discharge points, and/or outfalls (if there is flow) at each
drainage circuit's most downstream accessible sampling location. The Permittee shall follow their
adopted IDDE Procedures to conduct source tracing efforts if bacteria levels and/or observations
trigger a response (see IDDE guidance manual for bacteria trigger levels).
Qualitative and quantitative information about the source identification and elimination
activities, including procedures followed, sampling locations, and results (including documenting
no flow) shall be documented annually in TMDL reporting in the Annual Report.
APPENDIX 2 - Total Maximum Daily Load (TMDL) Requirements -August 1, 2024 Page 20 of 58
Page 324 of 769
Phase I and Western Washington Phase 11
Municipal Storm water Permits
Name of TMDL
WRIA 8 - ISSAQUAH CREEK BASIN WATER CLEANUP
PLAN FOR FECAL COLIFORM BACTERIA
EPA Approved
Issaquah Creek Basin Water Cleanup Plan for Fecal Coliform Bacteria:
Document(s) for
Total Maximum Daily Load Submittal Report, June 2004, Ecology
TMDL
Publication
No. 04-10-055.
https://fortress.wa.gov/ecy/publications/documents/0410055.pdf
Location of
Issaquah Creek, TF310B (WA-08-1110)
Original 303(d)
North Fork Issaquah Creek, CZ80NC (WA-08-1110)
Listings
Tibbetts Creek, MB51QQ, EA48LQ (WA-08-1115)
Area Where TMDL
These requirements apply to areas served by MS4s within the TMDL
Requirements
coverage area.
Apply
Parameter(s)
Fecal Coliform Bacteria
EPA Approval Date
October 1, 2004
MS4 Permittee:
Phase I Permit: King County
Phase II Permit: City of Issaquah, WAR04-5518
KING COUNTY & CITY OF ISSAQUAH
Actions Required
Business Inspections: Each Permittee shall inspect facilities with SIC Industry Group no. 074, 075,
including NAICS Major Group 1152xx, and NAICS 325315 (composting facilities) as part of their
ongoing inspection program identified in S5.C.8. If the Permittee determines, through inspections
or otherwise, that a facility has failed to adequately implement BMPs to prevent bacteria source
potential, the Permittee shall re -inspect the facility at least once more during the permit term to
verify compliance, and/or initiate enforcement action.
Public Education and Outreach: Each Permittee shall include public education and outreach
activities that increase awareness of bacterial pollution problems and promote proper pet waste
management as a BMP under General Awareness.
Operations and Maintenance: Each Permittee shall maintain Pet Waste collection stations at
Permittee owned or operated lands that are reasonably expected to have domestic animal (e.g.,
dog and horse) use and the potential for pollution to stormwater.
APPENDIX 2 -Total Maximum Daily Load (TMDL) Requirements -August 1, 2024 Page 21 of 58
Page 325 of 769
Phase I and Western Washington Phase 11
Municipal Stormwater Permits
Illicit Discharge Detection and Elimination: When conducting IDDE field screening during normal
course of business (as required by S5.C.5.d for Phase II Permittees and IDDE as required by
S5.C.9.c for Phase I Permittees) in a TMDL area, Permittees shall obtain a grab sample to screen
for bacteria sources at the drainage circuit's most downstream sampling location if there is water
flow. For the purposes of IDDE, stormwater quality sampling is defined as obtaining and
processing grab samples of stormwater within the conveyance system of the MS4, at discharge
points, and/or outfalls (if there is flow) at each drainage circuit's most downstream accessible
sampling location. Permittees shall follow their adopted IDDE Procedures to conduct source
tracing efforts if bacteria levels and/or observations trigger a response (see IDDE guidance
manual for bacteria trigger levels).
Qualitative and quantitative information about the source identification and elimination
activities, including procedures followed, sampling locations, and results (including documenting
no flow) shall be documented annually in TMDL reporting as required in the Permittees' Annual
Report.
APPENDIX 2 - Total Maximum Daily Load (TMDL) Requirements -August 1, 2024 Page 22 of 58
Page 326 of 769
Phase I and Western Washington Phase 11
Municipal5tormwater Permits
Name of TMDL
WRIA 8 - LITTLE BEAR CREEK FECAL COLIFORM WATER
QUALITY IMPROVEMENT PROJECT
Document(s) for
Little Bear Creek Fecal Coliform Total Maximum Daily Load (Water Cleanup
TMDL
Plan), May 2005, Ecology Publication No. 05-10-034.
https://fortress.wa.gov/ecy/publications/publications/0510034.pdf
Location of
Little Bear Creek, UT96KR (WA-08-1085).
Original 303(d)
Listings
Area Where
These requirements apply to areas served by MS4s within the TMDL
TMDL
coverage area.
Requirements
Apply
Parameter(s)
Fecal coliform bacteria
EPA Approval
July 1, 2005
Date
MS4 Permittee:
Phase I Permit: Snohomish County
Phase II Permit: City of Woodinville, WAR04-5545
SNOHOMISH COUNTY & CITY OF WOODINVILLE
Actions Required
Business Inspections: Each Permittee shall inspect facilities with SIC Industry Group no. 074, 075,
including NAICS Major Group 11S2xx, and NAICS 325315 (composting facilities) as part of their
ongoing inspection program identified in S5.C.8. If the Permittee determines, through inspections
or otherwise, that a facility has failed to adequately implement BMPs to prevent bacteria source
potential, the Permittee shall re -inspect the facility at least once more during the permit term to
verify compliance, and/or initiate enforcement action.
Public Education and Outreach: Each Permittee shall include public education and outreach
activities that increase awareness of bacterial pollution problems and promote proper pet waste
management as a BMP under General Awareness.
Operations and Maintenance: Each Permittee shall maintain Pet Waste collection stations at
Permittee owned or operated lands that are reasonably expected to have domestic animal (e.g.,
dog and horse) use and the potential for pollution to stormwater.
APPENDIX 2 -Total Maximum Daily Load (TMDL) Requirements -August 1, 2024 Page 23 of 58
Page 327 of 769
Phase 1 and Western Washington Phase ll
Municipal Stormwater Permits
Illicit Connection/Illicit Discharge Detection and Elimination: When conducting IDDE field
screening during normal course of business (as required by S5.C.5.d for Phase II Permittees and
IC/IDDE as required by S5.C.9.c for Phase I Permittees) in a TMDL area, Permittees shall obtain a
grab sample to screen for bacteria sources at the drainage circuit's most downstream sampling
location if there is water flow. For the purposes of IC/IDDE, stormwater quality sampling is
defined as obtaining and processing grab samples of stormwater within the conveyance system
of the MS4, at discharge points, and/or outfalls (if there is flow) at each drainage circuit's most
downstream accessible sampling location. Permittees shall follow their adopted IDDE Procedures
to conduct source tracing efforts if bacteria levels and/or observations trigger a response (see
IDDE guidance manual for bacteria trigger levels).
Qualitative and quantitative information about the source identification and elimination
activities, including procedures followed, sampling locations, and results (including documenting
no flow) shall be documented annually in TMDL reporting in the Annual Report.
APPENDIX 2 - Total Maximum Daily Load (TMDL) Requirements - August 1, 2024 Page 24 of 58
Page 328 of 769
Phase 1 and Western Washington Phase 11
Municipal Stormwater Permits
Name of TMDL
WRIA 10 - LOWER WHITE RIVER PH TMDL
Document(s) for
Lower White River (LWR) pH Total Maximum Daily Load — Technical
TMDL
Analysis and TMDL Allocations, Ecology Publication No. 2-10-011
https://apps.ecology.wa.gov/publications/documents/2210011.pdf
Location of
White River, multiple locations
Original 303(d)
7524, 7525, 7526
Listings
Area Where TMDL
Requirements apply in all areas regulated under the Permittee's municipal
Requirements
stormwater permit and discharging to water bodies listed within the
Apply
specific requirement in this TMDL section.
Parameter
pHl
EPA Approval Date
January 2023
M54 Permittees
Phase I Permit: King County, Pierce County
Phase II Permit: Auburn, Algona, Buckley, Enumclaw, Pacific, Sumner
KING AND PIERCE COUNTIES AND ASSOCIATED CITIES
Actions Required
1. MS4 Mapping: No later than March 31, 2029:
a. The Permittee shall ensure all known piped MS4 outfalls that they own or operate,
which discharge to the Lower White River or its primary tributaries within the TMDL
implementation area, are mapped and documented.z, 3
b. The Permittee shall map all tributary conveyances to their piped MS4 outfalls
identified in (1)(a), if not already mapped.
2. Illicit Discharge Detection and Elimination:
1 This TMDL sets soluble reactive phosphorus (SRP) allocations in order to limit periphyton growth and meet the
numeric water quality criteria for pH in the White River.
2 The screening program is limited to "piped outfalls" owned or operated by the Permittee, which means only MS4
outfalls that are made of pipe material (e.g., corrugated metal, concrete, etc.) require screening; it does not include
open pervious outfalls, such as ditches.
3 The TMDL implementation area is the contributing drainage area to the White River between RM 3.6 and RM 28
where phosphorus management practices are necessary to meet allocations for discharges to the river and the TMDL
load capacity of the river itself. Primary tributaries to the Lower White River within the TMDL area include Boise
Creek, Second Creek, Pussyfoot Creek, Bowman Creek, and Government Canal.
APPEND/X 2 - Total Maximum Daily Load (TMDL) Requirements -August 1, 2024 Page 25 of 58
Page 329 of 769
Phase I and Western Washington Phase 11
Municipal Stormwater Permits
a. No later than October 31, 2028, the Permittee shall screen all known piped MS4
outfalls that they own or operate, which discharge to the Lower White River and its
primary tributaries, within the TMDL implementation area.
i. For at least one dry season within this permit cycle, the Permittee shall
screen piped MS4 outfalls once a month, from May 1st — October 315t, for
the presence of a discharge. All piped MS4 outfalls may be screened within
the same year or divided into groups and screened over multiple years.
ii. Document MS4 outfall screening results. If no discharge is found during
outfall screening by October 31, 2028, the Permittee may plan to reduce this
screening to once in May and again once in October, or as close to these
months as practicable, during low flow tier conditions (i.e. <900 cfs), for
future permit cycles.
iii. Actively controlled stormwater discharges (e.g., pump stations, batch
treatment systems) are included in the screening program, but they have
slightly different sampling requirements as described in (2)(b)(iii).
b. If a discharge at the piped MS4 outfall is present and estimated to be more than
2.24 gallons per minute, the Permittee shall collect an end -of -pipe sample for
soluble reactive phosphorus (SRP) analysis.
i. Sampling is restricted to May 1st- October 311t when there is little to no rain
locally (<0.2" rainfall in past 48 hours).
ii. Sampling is restricted to when the daily average flow in the White River is
lower than 2000 cfs (USGS gage 12100490 at R Street near Auburn).
iii. For all actively controlled municipal stormwater discharges (e.g., pump
stations, batch treatment systems), no later than October 31, 2028, monthly
sample events must be scheduled for dates/times when discharge is known
to occur within the May 1-October 31 period. If monthly sampling meets any
of the SRP requirements in section (2)(d)(i) through (iv) in the one season
sampled during this permit cycle, the Permittee may plan to reduce
screening to once in May and once in October, or as close to these months
as practicable, for future permit cycles.
c. If any stormwater outfall samples collected during the critical period and analyzed
for SRP concentrations exceed the values in (2)(c)(i) and (ii) below, the Permittee
shall begin source tracing for SRP sources to the MS4 4. Any sample exceedances of
the SRP values in (2)(c)(i) and (ii) below are not a violation of this Permit. Analytical
methods should follow approved methods as listed in this Permit's Appendix 9,
Stormwater Discharge Monitoring, and 40 CFR Section 136.3 for ortho-phosphate
(parameter #44 in Table 113). Standard Method 4S00-P G-2011 (for ortho-
phosphate) is recommended for obtaining reporting limits needed for (c)(i) and (ii)
below.
4 WLAs apply during the critical period from May 111 to October 31"
APPENDIX 2 -Total Maximum Daily Load (TMDL) Requirements -August 1, 2024 Page 26 of 58
Page 330 of 769
Phase I and Western Washington Phase Il
Municipal Stormwater Permits
i. 7.5 ug/L of SRP (when the daily average White River flow is less than 900 cfs
at USGS gage 12100490) or,
ii. 79 ug/L of SRP (when the daily average river flow is between 900 cfs and
2000 cfs at USGS gage 12100490) or,
iii. The load of SRP is less than the WLA assigned to the Permittee.
d. Permittees are meeting TMDL requirements, and no additional source tracing is
required, if MS4 outfall screening and sampling results find any one of the following:
i. There is no discharge or, where it is not feasible to measure flow, there is no
visible or measurable surface velocity (i.e., stagnant water).
ii. The flow of any discharge is less than 0.005 cfs (2.24 gallons per minute).
iii. The flow of any discharge is less than 0.9 cfs (400 gpm) and the
concentration of discharge is less than 7.5 ug/L of SRP (when the daily
average White River flow is less than 900 cfs at USGS gage 12100490) or less
than 79 ug/L of SRP (when the daily average river flow is between 900 cfs
and 2000 cfs at USGS gage 12100490) during the critical period.
iv. The flow of any discharge is greater than 0.9 cfs (400 gpm) and the load of
SRP is less than the WLAs as assigned to the Permittee. The Permittee may
calculate a load only if none of the above (2)(d)(i) through (iii) conditions
apply.
e. The Permittee may discontinue MS4 outfall screening and sampling at outfalls
where the following applies:
The Permittee screens all known piped MS4 outfalls owned or operated by
the Permittee as described in section (2)(a) every month within the dry
season, for two consecutive years in a row, and both years show these MS4
outfalls meeting requirements in section (2)(d).
3. Controlling runoff from new development and redevelopment:
a. No later than July 1, 2026, Pierce and King Counties shall require Phosphorus
Treatment BMPs as described in Ecology's Stormwater Management Manual for
Western Washington or an equivalent manual approved by Ecology for all new
development and redevelopment projects within the TMDL implementation area
that require Minimum Requirement #6, Runoff Treatment.
No later than June 30, 2027, the cities of Auburn, Algona, Buckley, Enumclaw, Pacific
and Sumner shall require Phosphorus Treatment BMPs as described in Ecology's
Stormwater Management Manual for Western Washington or an equivalent manual
approved by Ecology for all new development and redevelopment projects within
the TMDL implementation area that require Minimum Requirement #6, Runoff
Treatment.
APPENDIX 2 - Total Maximum Daily Load (TMDL) Requirements -August 1, 2024 Page 27 of 58
Page 331 of 769
Phase l and Western Washington Phase //
Municipal Stormwater Permits
Name of TMDL
WRIA 10 - PUYALLUP WATERSHED WATER QUALITY
IMPROVEMENT PROJECT
Document(s) for
Puyallup River Watershed Fecal Coliform Total Maximum Daily Load —
TMDL
Water Quality Improvement Report and Implementation Plan, June 2011,
Ecology Publication No. 11-10-040.
https://fortress.wa.gov/ecy/publications/publications/1110040.pdf
Location of
Puyallup River 16712, 7498, White River 16711, 16708, 16709, Clear Creek
Original 303(d)
7501, Swan Creek 7514, Boise Creek 16706, Deer Creek 45616, Salmon
Listings
Creek 45601, Unnamed Creek (Tributary to the Puyallup River) 45688
Area Where
Requirements apply in all areas regulated under the Permittee's municipal
TMDL
stormwater permit and discharging to water bodies listed within the
Requirements
specific requirement in this TMDL section.
Apply
Parameter
Fecal Coliform
EPA Approval
September 2011
Date
M54 Permittee
Phase I Permit: King County, Pierce County
Phase II Permit: Auburn, Bonney Lake, Edgewood, Enumclaw, Puyallup,
Sumner
CITY OF AUBURN
Actions Required
Business Inspections:
Permittee shall inspect facilities with SIC Industry Group no. 074, 075, including NAICS Major
Group 1152xx, and NAICS 325315 (composting facilities) as part of their ongoing inspection
program identified in S5.C.8. If the Permittee determines, through inspections or otherwise, that
a facility has failed to adequately implement BMPs to prevent bacteria source potential, the
Permittee shall re -inspect the facility at least once more during the permit term to verify
compliance, and/or initiate enforcement action.
Public Education and Outreach:
Permittee shall include public education and outreach activities that increase awareness of
bacterial pollution problems and promote proper pet waste management as a BMP under
General Awareness.
APPENDIX2 -Total Maximum Daily Load (TMDL) Requirements -August 1, 2024 Page 28 of 58
Page 332 of 769
Phase I and Western Washington Phase II
Municipal Stormwater Permits
Operations and Maintenance:
Permittee shall maintain pet waste collection stations at Permittee owned or operated lands that
are reasonably expected to have domestic animal (dog and horse) use and the potential for
pollution to stormwater.
Illicit Discharge Detection and Elimination
Designate areas discharging via MS4 to the TMDL area as high priority areas for illicit discharge
detection and elimination. Complete IDDE screening for bacteria sources in 100% of these sub -
basins by July 31, 2029, and implement the schedules and activities identified in S5.C.5 of the
Western Washington Phase II Permit in response to any illicit connections and illicit discharges
found. Each annual report's TMDL summary shall include, where applicable, qualitative, and
quantitative information about IDDE field screening activities for bacteria sources, including
source identification and elimination activities and stormwater sampling results.
CITY OF BONNEY LAKE
Actions Required
• Designate areas discharging via MS4 to Fennel Creek as high priority areas for illicit
discharge detection and elimination.
• No later than July 31, 2029, complete IDDE screening for bacteria sources in 100% of
these MS4 sub -basins, and implement the schedule and activities identified in S5.C.5 of
the Western Washington Phase II Permit in response to any illicit connections and illicit
discharges found. IDDE screening for bacteria sources includes the inspection of city
owned MS4 outfalls that are safely accessible, or the next safely accessible drainage
access point that discharge to Fennel Creek.
• The results of all bacterial screening conducted in these sub -basins shall be included in
the annual reports submitted to Ecology. Each annual report's TMDL summary shall
include, where applicable, qualitative, and quantitative information about IDDE field
screening activities for bacteria sources, including source identification and elimination
activities and sampling results.
CITY OF EDGEWOOD
Actions Required
• Designate areas discharging via the MS4 to Jovita Creek as high priority areas for illicit
discharge detection and elimination.
• Complete IDDE screening for bacteria sources in 100% of these MS4 sub -basins by July 31,
2029, and implement the schedules and activities identified in S5.C.5 of the Western
Washington Phase II Permit in response to any illicit connections and illicit discharges
APPENDIX 2 - Total Maximum Daily Load (TMDL) Requirements -August 1, 2024 Page 29 of 58
Page 333 of 769
Phase 1 and Western Washington Phase 11
Municipal Stormwater Permits
found. IDDE screening for bacteria sources includes the inspection of city owned MS4
outfalls that are safely accessible, or the next safely accessible drainage access point that
discharge to Jovita Creek.
• The results of all bacterial screening conducted in these sub -basins shall be included in the
annual reports submitted to Ecology. Each annual report's TMDL summary shall include,
where applicable, qualitative, and quantitative information about IDDE field screening
activities for bacteria sources, including source identification and elimination activities
and Stormwater sampling results.
APPENDIX 2 - Total Maximum Daily Load (TMDL) Requirements -August 1, 2024 Page 30 of 58
Page 334 of 769
Phase I and Western Washington Phase II
Municipal Stormwater Permits
CITY OF ENUMCLAW
Actions Required
• Designate areas discharging via the MS4 to:
o Boise Creek from creek mile 1.7 to 1.0.
o The flume and laterals approximately 1 mile north of the confluence with the mainstem,
north of SE 456th Street, between Highway 410 to the west and Watson Street N. to the
east.
These locations are high priority areas for illicit discharge detection and elimination.
Complete IDDE screening for bacteria sources in 100% of these MS4 sub -basins by July 31,
2029, and implement the schedules and activities identified in S5.C.5 of the Western
Washington Phase II Permit in response to any illicit connections and illicit discharges found.
Investigation must include activities for both the dry season (May through September) and
the wet season (October through April). IDDE screening for bacteria sources includes the
inspection of city owned MS4 outfalls that are safely accessible, or the next safely accessible
drainage access point that discharge to the abovementioned receiving waters.
The results of all bacterial screening conducted in these sub -basins shall be included in the
annual reports submitted to Ecology. Each annual report's TMDL summary shall include,
where applicable, qualitative, and quantitative information about IDDE field screening
activities for bacteria sources, including source identification and elimination activities and
sampling results.
• Permittee shall inspect commercial animal handling areas and commercial composting
facilities to ensure implementation of source control BMPs for bacteria. Commercial animal
handling areas are associated with Standard Industrial Code (SIC) 074 and 075 and include
veterinary and pet care/boarding services, animal slaughtering, and support activities for
animal production. Facilities where the degradation and transformation of organic solid
waste takes place under controlled conditions designed to promote aerobic decomposition
are considered composting facilities (definition in accordance with Chapter 173-350 WAC).
Implement an ongoing inspection program to re -inspect facilities or areas with bacteria
source control problems at least every three years.
• Conduct public education and outreach activities to increase awareness of bacterial
pollution problems and promote proper pet waste management behavior.
• Install and maintain animal waste education signage and/or pet waste bag dispenser
stations at municipal parks and other Permittee owned and operated lands reasonably
expected to have substantial domestic animal (dog and horse) use and where stormwater
runoff can enter the MS4.
APPENDIX 2 -Total Maximum Daily Load (TMDL) Requirements -August 1, 2024 Page 31 of 58
Page 335 of 769
Phase 1 and Western Washington Phase 11
Municipal Stormwater Permits
KING COUNTY
Actions Required
Business Inspections:
Permittee shall continue their ongoing inspection programs for facilities with SIC Industry Group
no. 074, 075, including NAICS Major Group 1152xx, and NAICS 325315 (composting facilities). If
the Permittee determines, through inspections or otherwise, that a facility has failed to
adequately implement BMPs to prevent bacteria source potential, the Permittee shall re -inspect
the facility at least once more during the permit term to verify compliance, and/or initiate
enforcement actions.
Public Education and Outreach:
Permittee shall include public education and outreach activities that increase awareness of
bacterial pollution problems and promote proper pet waste management as a BMP under
General Awareness.
Operations and Maintenance:
Permittee shall maintain Pet Waste collection stations at Permittee owned or operated lands that
are reasonably expected to have domestic animal (dog and horse) use and the potential for
pollution of stormwater.
Illicit Discharge Detection and Elimination
When conducting IDDE-related field screening under S5.C.9 of the Phase I Permit, King County
shall screen for bacteria sources in any MS4 sub -basins which discharge to surface waters in the
TMDL area. Implement the schedules and activities identified in S5.C.9 of the Phase I Permit for
response to any illicit connections and illicit discharges found. The results of all bacterial
screening conducted in these sub -basins shall be included in the annual reports submitted to
Ecology. Each annual report's TMDL summary shall include, where applicable, qualitative, and
quantitative information about IDDE field screening activities for bacteria sources, including
source identification and elimination activities and stormwater sampling results.
PIERCE COUNTY
Actions Required
Designate areas discharging via the MS4 to Swan Creek as high priority areas for illicit
discharge detection and elimination. Complete IDDE screening for bacteria sources in 100% of
these MS4 sub -basins by July 31, 2029, and implement the schedules and activities identified
in S5.C.5 of the Western Washington Phase II Permit in response to any illicit connections and
illicit discharges found. IDDE screening for bacteria sources includes the inspection of city
APPENDIX 2 - Total Maximum Daily Load (TMDL) Requirements -August 1, 2024 Page 32 of 58
Page 336 of 769
Phase I and Western Washington Phase 11
Municipal Stormwater Permits
owned MS4 outfalls that are safely accessible, or the next safely accessible drainage access
point that discharge to Swan Creek. The results of all bacterial screening conducted in these
sub -basins shall be included in the annual reports submitted to Ecology. Each annual report's
TMDL summary shall include, where applicable, qualitative, and quantitative information
about IDDE field screening activities for bacteria sources, including source identification and
elimination activities and stormwater sampling results.
• Designate areas discharging via the MS4 to Salmon Creek as high priority areas for illicit
discharge detection and elimination. Complete IDDE screening for bacteria sources in 100% of
these MS4 sub -basins by July 31, 2029, and implement the schedules and activities identified
in S5.C.5 of the Western Washington Phase II Permit in response to any illicit connections and
illicit discharges found. IDDE screening for bacteria sources includes the inspection of city
owned MS4 outfalls that are safely accessible, or the next safely accessible drainage access
point that discharge to Salmon Creek. The results of all bacterial screening conducted in these
sub -basins shall be included in the annual reports submitted to Ecology. Each annual report's
TMDL summary shall include, where applicable, qualitative, and quantitative information
about IDDE field screening activities for bacteria sources, including source identification and
elimination activities and stormwater sampling results.
• Designate areas discharging via the MS4 to Alderton Creek as high priority areas for illicit
discharge detection and elimination. Complete IDDE screening for bacteria sources in 100% of
these MS4 sub -basins by July 31, 2029, and implement the schedules and activities identified
in S5.C.5 of the Western Washington Phase II Permit in response to any illicit connections and
illicit discharges found. IDDE screening for bacteria sources includes the inspection of city
owned MS4 outfalls that are safely accessible, or the next safely accessible drainage access
point that discharge to Alderton Creek. The results of all bacterial screening conducted in
these sub -basins shall be included in the annual reports submitted to Ecology. Each annual
report's TMDL summary shall include, where applicable, qualitative, and quantitative
information about IDDE field screening activities for bacteria sources, including source
identification and elimination activities and stormwater sampling results.
• Designate areas discharging via the MS4 to Fennell Creek as high priority areas for illicit
discharge detection and elimination. Complete IDDE screening for bacteria sources in 100% of
these MS4 sub -basins by July 31, 2029, and implement the schedules and activities identified
in S5.C.5 of the Western Washington Phase II Permit in response to any illicit connections and
illicit discharges found. IDDE screening for bacteria sources includes the inspection of city
owned MS4 outfalls that are safely accessible, or the next safely accessible drainage access
point that discharge to Fennell Creek. The results of all bacterial screening conducted in these
sub -basins shall be included in the annual reports submitted to Ecology. Each annual report's
TMDL summary shall include, where applicable, qualitative, and quantitative information
about IDDE field screening activities for bacteria sources, including source identification and
elimination activities and stormwater sampling results.
APPENDIX 2 - Total Maximum Daily Load (TMDL) Requirements -August 1, 2024 Page 33 of 58
Page 337 of 769
Phase 1 and Western Washington Phase 11
Municipal Stormwater Permits
CITY OF PUYALLUP
Action Required
Designate areas discharging via the MS4 to Deer Creek as high priority areas for illicit discharge
detection and elimination. Complete IDDE screening for bacteria sources in 100% of these MS4
sub -basins by July 31, 2029, and implement the schedules and activities identified in S5.C.5 of the
Western Washington Phase II Permit in response to any illicit connections and illicit discharges
found. IDDE screening for bacteria sources includes the inspection of city owned MS4 outfalls
that are safely accessible, or the next safely accessible drainage access point that discharge to
Deer Creek. The results of all bacterial screening conducted in these sub -basins shall be included
in the annual reports submitted to Ecology. Each annual report's TMDL summary shall include,
where applicable, qualitative, and quantitative information about IDDE field screening activities
for bacteria sources, including source identification and elimination activities and stormwater
sampling results.
CITY OF SUMNER
Action Required
Designate areas discharging via the MS4 to Salmon Creek as high priority areas for illicit discharge
detection and elimination. Complete IDDE screening for bacteria sources in 100% of these MS4
sub -basins by July 31, 2029, and implement the schedules and activities identified in S5.C.5 of the
Western Washington Phase II Permit in response to any illicit connections and illicit discharges
found. IDDE screening for bacteria sources includes the inspection of city owned MS4 outfalls
that are safely accessible, or the next safely accessible drainage access point that discharge to
Salmon Creek. The results of all bacterial screening conducted in these sub -basins shall be
included in the annual reports submitted to Ecology. Each annual report's TMDL summary shall
include, where applicable, qualitative, and quantitative information about IDDE field screening
activities for bacteria sources, including source identification and elimination activities and
stormwater sampling results.
APPENDIX 2 -Total Maximum Daily Load (TMDL) Requirements -August 1, 2024 Page 34 of 58
Page 338 of 769
Phase 1 and Western Washington Phase It
Municipal Stormwater Permits
Name of TMDL
WRIA 10 - CLARKS CREEK FECAL COLIFORM TMDL
Document(s) for
Clarks Creek Watershed Fecal Coliform Bacteria Total Maximum Daily
TMDL
Load (Water Quality Improvement Report), May 2008, Ecology
Publication
No. 07-10-110.
https://fortress.wa.gov/ecy/publications/documents/0710110.pdf
Clarks Creek Watershed Fecal Coliform Bacteria Total Maximum Daily
Load (Water Quality Implementation Plan), December 2009, Ecology
Publication No. 09-10-081.
htttps1/apps.ecology.wa.gov/publications/documents/0910081.pdf
Location of
Clarks Creek 7497, 7501, Meeker Creek 7508, 7507
Original 303(d)
Listings
Area Where
Requirements apply in all areas regulated under the Permittee's
TMDL
municipal stormwater permit and discharging to water bodies listed
Requirements
within the specific requirement in this TMDL section.
Apply
Parameter
Fecal Coliform
EPA Approval
June 4, 2008
Date
MS4 Permittee
Phase II Permit: Puyallup
CITY OF PUYALLUP
Actions Required
• Education and Outreach: No later than July 1, 2026, conduct public education and outreach
activities to increase awareness of proper pet waste management and other fecal bacterial
pollution problems, such as the negative impacts of waterflow feeding.
IDDE: Designate areas discharging via MS4 to Meeker Creek and Clarks Creek as high priority
areas for illicit discharge detection and elimination. Complete IDDE screening for bacteria
sources in 100% of these MS4 sub -basins by July 31, 2029, and implement the schedules and
activities identified in S5.C.5 of the Western Washington Phase II Permit in response to any
illicit connections and illicit discharges found. IDDE screening for bacteria sources includes the
inspection of city owned MS4 outfalls that are safely accessible, or the next safely accessible
APPENDIX 2 -Total Maximum Daily Load (TMDL) Requirements -August 1, 2024 Page 35 of 58
Page 339 of 769
Phase l and Western Washington Phase 11
Municipal Stormwater Permits
drainage access point that discharge to Meeker and Clarks Creeks. The results of all bacterial
screening conducted in these sub -basins shall be included in the annual reports submitted to
Ecology. Each annual report's TMDL summary shall include, where applicable, qualitative, and
quantitative information about IDDE field screening activities for bacteria sources, including
source identification and elimination activities and sampling results.
0 Operations and Maintenance:
o No later than June 30, 2027, install and maintain pet waste education signage and bag
dispenser stations at municipal parks and other Permittee owned and operated lands
reasonably expected to have substantial dog use and where stormwater runoff can
enter the MS4 and discharge to surface waters.
o If a concentrated waterfowl presence is found at a city -owned stormwater pond
during routine inspection, the Permittee shall implement waterfowl deterrence
measures where appropriate (e.g., signage to discourage feeding, landscaping to
discourage waterfowl presence). If a city -owned stormwater pond has a concentrated
Canada geese presence, where feasible and as needed, periodically pick up and
dispose of geese droppings in the garbage during routine facility maintenance
completed per S5.C.9.c of this Permit.
APPENDIX 2 -Total Maximum Daily Load (TMDL) Requirements -August 1, 2024 Page 36 of 58
Page 340 of 769
Phase I and Western Washington Phase ll
Municipal Storm water Permits
Name of TMDL
WRIA 10 - CLARKS CREEK DISSOLVED OXYGEN AND
SEDIMENT TOTAL MAXIMUM DAILY LOAD
Document(s) for
Clarks Creek Dissolved Oxygen and Sediment Total Maximum Daily Load —
TMDL
Water Quality Improvement Report and Implementation Plan, December
2014, Ecology Publication No. 14-10-030.
https://ecology.wa.gov/Water-Shorelines/Water-quality/Water-
improve ment/Total- Maxim um-Daily-Load-process/Directory-of-
improvement-projects/Clarks-Creek
Location of
Clarks Creek 35407 47590 47591 47592 Meeker Creek 7510 47578 47579
Original 303(d)
Rody Creek 47593 Silver Creek
Listings
Area Where TMDL
Requirements apply in all areas regulated under the Permittee's municipal
Requirements
stormwater permit and discharging to water bodies listed within the
Apply
specific requirement in this TMDL section.
Parameter
Dissolved Oxygen and Sediment
EPA Approval Date
May 27, 2015
MS4 Permittee
Phase I Permit: Pierce County
Phase II Permit: Puyallup
PIERCE COUNTY
Actions Required
1. The Permittee shall operate, inspect, and maintain the water quality improvement projects (WQIPs)
prescribed in the Permittee's TMDL Restoration Plan (hereafter, the July 2022 Plan).' The July 2022
Plan estimated that existing WQIPs reduce the annual average sediment load by approximately 38.8
tons per year (29 percent of the TMDL target) and treat or remove approximately 13.7 million
gallons (MG) of stormwater runoff per year based on the critical (October 21, 2003) storm event (46
percent of the TMDL target).6 The Permittee shall apply crediting methodologies described in the
July 2022 Plan, or an Ecology accepted updated Plan, to estimate the annual sediment load removal
and the annual stormwater volume treated or removed by each WQIP. Any updates to the July 2022
Plan shall comply with the WLAs in the TMDL and align with previous Ecology Plan approvals.
5 "TMDL Restoration Plan" means Pierce County's Clarks Creek Restoration Plan, July 2022 Update. Ecology reviewed and
accepted the municipal stormwater permit components of the TMDL Restoration Plan, as revised in 2022, as
communicated in our letter dated August 2, 2022, Re: Clarks Creek Restoration Plan, Updated July 1, 2021.
6 Existing WQIPs are stormwater treatment facilities/BMPs constructed and operational after October 21, 2003. These
include treatment facilities/BMPs implemented through retrofit or redevelopment.
APPENDIX2 -Total Maximum Daily Load (TMDL) Requirements -August 1, 2024 Page 37 of 58
Page 341 of 769
Phase 1 and Western Washington Phase H
Municipal Stormwater Permits
Permittee shall operate, inspect, and maintain existing WQIPs in the updated five-year Plan (2024-
2029); and construct, operate, inspect, and maintain new WQIPs in this updated Plan. The updated
2024-2029 Plan takes effect when Ecology accepts it. Ecology reserves the right to require changes
to the updated Plan. The Permittee shall implement a project delivery program to meet the
estimated annual average sediment load reduction and stormwater volume treated or reduced
targets identified in this updated Plan. The municipal stormwater permit components and WQIPs in
the July 2022 Plan remain in effect until Ecology accepts these components and WQIPs in the
Permittee's 2024-2029 Plan.
3. No later than November 1, 2028, the Permittee shall submit an updated Plan (2029-2034) that
includes existing and proposed WQIPs for the next five-year TMDL reporting period estimated to
begin August 1, 2029. The updated Plan shall include sediment load reduction and stormwater
volume treated or removed credit estimated for each WQIP, and it shall identify the 75 percent
compliance milestone for the sediment WLA and the 75 percent compliance milestone for the
stormwater volume treated/removed credit estimates for all existing and proposed WQIPs.
Estimates of sediment load reduction and stormwater volumes treated or removed by each
stormwater BMP and facility shall be consistent with the TMDL WLAs for Dissolved Oxygen Deficit
(DOD) and sediment. The Permittee shall include anticipated project schedules, construction
timelines, estimated costs, and funding strategies, where available, for proposed WQIPs in their
updated Plan (2029-2034). Ecology reserves the right to require changes to the updated Plan.
4. The Permittee shall submit a reporting ledger to Ecology that quantifies the annual sediment load
reduction (tons) credits and stormwater volume treated or removed (MG) credits awarded to all
operational WQIPs during calendar years (CYs) 2023 and 2024 by March 31, 2025. The Permittee
shall submit an updated reporting ledger annually thereafter by March 315t for CYs 2025 through
2028. This ledger serves as the reporting instrument to track each year's WLA compliance credits as
they relate to the Permittee's assigned numeric WLAs. Stormwater retrofit or redevelopment
projects constructed since October 21, 2003, may receive sediment reduction (tons) and
stormwater volume treated/removed (MG) credits for each year the project was inspected,
maintained, and determined to be operational. All WQIPs must be inspected, maintained, and
determined to be operational to receive annual sediment load reduction and stormwater volume
treated or removed credits.
The Permittee shall inspect WQIPs annually at a minimum during May, June, or July to assess
whether the facilities are functioning as designed. If the Permittee's inspection records show a
stormwater facility or BMP is in functional disrepair and is not operational, then the Permittee has
90 days from the time of the inspection to complete the corrective actions necessary to restore the
BMP's functionality to receive annual pollution reduction credit for that facility/BMP for the
reporting year. The Permittee will not receive sediment load reduction and stormwater volume
treated or removed credit for a facility or BMP that has not received the corrective actions
necessary to restore functionality within 90 days of the inspection. The Permittee's BMP inspection
pertains to the calendar year for which the BMP credits are awarded. WQIPs/BMPs that exceed
maintenance standards must perform required maintenance in accordance with schedules
identified under S5.C.10.
APPENDIX 2 -Total Maximum Daily Load (TMDL) Requirements -August 1, 2024 Page 38 of 58
Page 342 of 769
Phase 1 and Western Washington Phase 11
Municipal Stormwater Permits
6. Public Education and Outreach: The Permittee shall conduct public education and outreach activities
that increase awareness among residents of the sources of polluted runoff affecting Clarks Creek
and its tributaries.
CITY OF PUYALLUP
Actions Required
1. The Permittee shall operate, inspect, and maintain the water quality improvement projects (WQIPs)
prescribed in the Permittee's TMDL Retrofit Plan (hereafter, the December 2022 Plan).' The
December 2022 Plan estimated the existing and new WQIPs to be implemented by July 31, 2024,
will reduce the annual average sediment load by approximately 52.95 tons per year (32 percent of
the TMDL target) and treat or remove approximately 22.75 million gallons (MG) of stormwater
runoff per year based on the critical (October 21, 2003) storm event (98 percent of the TMDL
target).' The Permittee shall apply crediting methodologies described in the December 2022 Plan, or
an Ecology accepted updated Plan, to estimate the annual sediment load removal and the annual
stormwater volume treated or removed by each WQIP. Any updates to the December 2022 Plan
shall comply with the WLAs in the TMDL and align with previous Ecology Plan approvals.
2. The Permittee shall operate, inspect, and maintain existing WQIPs in the updated five-year Plan
(2024-2029); and construct, operate, inspect, and maintain new WQIPs in this updated Plan. The
updated 2024-2029 Plan takes effect when Ecology accepts it. Ecology reserves the right to require
changes to the updated Plan. The Permittee shall implement a project delivery program to meet the
estimated annual average sediment load reduction and stormwater volume treated or reduced
targets identified in this updated Plan. The municipal stormwater permit components and WQIPs in
the December 2022 Plan remain in effect until Ecology accepts these components and WQIPs in the
Permittee's 2024-2029 Plan.
3. No later than November 1, 2028, the Permittee shall submit an updated Plan (2029-2034) that
includes existing and proposed WQIPs for the next five-year TMDL reporting period estimated to
begin August 1, 2029, and the sediment load reduction and stormwater volume treated or removed
credit estimated for each WQIP. Estimates of sediment load reduction and stormwater volumes
treated or removed by each stormwater BMP and facility shall be consistent with the TMDL WLAs
for Dissolved Oxygen Deficit (DOD) and sediment. The goal is to achieve TMDL reductions needed to
meet WLAs by 2034. The Permittee shall include anticipated project schedules, construction
timelines, estimated costs, and funding strategies, where available, for proposed WQIPs in their
updated Plan (2029-2034). Ecology reserves the right to require changes to the updated Plan.
7 "TMDL Retrofit Plan" means the Clarks Creek Retrofit Plan Update, Prepared for City of Puyallup, WA, Revised December
2022, by Brown and Caldwell. Ecology reviewed and accepted the municipal stormwater permit components of the TMDL
Retrofit Plan in December 2022, as conditioned in our letter dated December 19, 2022, Re: Clarks Creek Retrofit Plan,
Revised December 2022.
8 Existing WQIPs are stormwater treatment facilities/BMPs constructed and operational after October 21, 2003. These
include treatment facilities/BMPs implemented through retrofit or redevelopment.
APPENDIX 2 - Total Maximum Daily Load (TMDL) Requirements - August 1, 2024 Page 39 of 58
Page 343 of 769
Phase l and Western Washington Phase 11
Municipal Stormwater Permits
4. The Permittee shall submit a reporting ledger to Ecology that quantifies the annual sediment load
reduction (tons) credits and stormwater volume treated or removed (MG) credits awarded to all
operational WQIPs during calendar years (CYs) 2023 and 2024 by March 31, 2025. The Permittee
shall submit an updated reporting ledger annually thereafter by March 31S` for CYs 2025 through
2028. This ledger serves as the reporting instrument to track each year's WLA compliance credits as
they relate to the Permittee's assigned numeric WLAs. Stormwater retrofit or redevelopment
projects constructed since October 21, 2003, may receive sediment reduction (tons) and
stormwater volume treated/removed (MG) credits for each year the project was inspected,
maintained, and determined to be operational. All WQIPs must be inspected, maintained, and
determined to be operational to receive annual sediment load reduction and stormwater volume
treated or removed credits.
S. The Permittee shall inspect WQIPs annually at a minimum during May, June, or July to assess
whether the facilities are functioning as designed. If the Permittee's inspection records show a
stormwater facility or BMP is in functional disrepair and is not operational, then the Permittee has
90 days from the time of the inspection to complete the corrective actions necessary to restore the
BMP's functionality to receive annual pollution reduction credit for that facility/BMP for the
reporting year. The Permittee will not receive sediment load reduction and stormwater volume
treated or removed credit for a facility or BMP that has not received the corrective actions
necessary to restore functionality within 90 days of the inspection. The Permittee's BMP inspection
pertains to the calendar year for which the BMP credits are awarded. WQIPs/BMPs that exceed
maintenance standards must perform required maintenance in accordance with schedules
identified under S5.C.9.
6. Street Sweeping Program: The Permittee can only include sediment load reduction credit for its
street sweeping program under an Ecology -approved QAPP.9 The Permittee shall not credit
sediment removal from sweeping until their pilot study on sweeping is completed and their updated
2024-2029 Plan takes effect.
7. Public Education and Outreach: The Permittee shall conduct public education and outreach activities
that increase awareness among residents of the sources of polluted runoff affecting Clarks Creek
and its tributaries.
9 Ecology approved the City of Puyallup's Clarks Creek Street Sweeping Study Quality Assurance Project Plan (QAPP),
Prepared by Brown and Caldwell on January 20, 2022,
APPENDIX 2 - Total Maximum Daily Load (TMDL) Requirements -August 1, 2024 Page 40 of 58
Page 344 of 769
Phase 1 and Western Washington Phase 11
Municipal Stormwater Permits
Name of TMDL
WRIA 10 - SOUTH PRAIRIE CREEK WATER QUALITY
IMPROVEMENT PROJECT
Document(s) for
South Prairie Creek Bacteria and Temperature Total Maximum Daily
TMDL
Load (Water Cleanup Plan): Submittal Report, June 2003, Ecology
Publication
No. 03-10-055.
https://fortress.wa.gov/ecy/publications/publications/0310055.pdf
South Prairie Creek Bacteria and Temperature Total Maximum Daily
Load (Water Cleanup Plan): Detailed Implementation Plan, July 2006,
Ecology Publication No. 06-10-018.
https://fortress.wa.gov/ecy/publications/documents/0610018.pdf
Location of
South Prairie Creek VC19MO (WA-10-1085), Wilkeson Creek
Original303(d)
NX07HW
Listings
(WA-10-1087)
Area Where
Requirements apply in all areas regulated under the Permittee's
TMDL
municipal stormwater permit and discharging to water bodies listed
Requirements
within the specific requirement in this TMDL section.
Apply
Parameter
Fecal Coliform
EPA Approval
August 6, 2003
Date
MS4 Permittee
Phase I Permit: Pierce County
Phase II Permit: Buckley
PIERCE COUNTY
Actions Required
• Designate areas discharging via the MS4 to Tributary 1 upstream of SR162 as high priority
areas for illicit discharge detection and elimination. No later than July 31, 2029, complete
IDDE screening for bacteria sources in 100% of these sub -basins and implement the
schedules and activities identified in S5.C.9 of the Phase I Permit in response to any illicit
connections and illicit discharges found. Investigation must include activities for both the
dry season (May through September) and the wet season (October through April). IDDE
screening for bacteria sources includes the inspection of county owned MS4 outfalls that
are safely accessible, or the next safely accessible upstream drainage access point that
APPENDIX 2 - Total Maximum Daily Load (TMDL) Requirements -August 1, 2024 Page 41 of 58
Page 345 of 769
Phase I and Western Washington Phase 11
Municipal Stormwater Permits
discharge to creeks in the TMDL area. The results of all bacterial screening conducted in
these sub -basins shall be included in the annual reports submitted to Ecology. Each annual
report's TMDL summary shall include, where applicable, qualitative, and quantitative
information about IDDE field screening activities for bacteria sources, including source
identification and elimination activities and sampling results.
• Designate areas discharging via the MS4 upstream of SR165 along Spiketon Road, Mundy
Loss Road, and Spiketon Ditch Road as high priority areas for illicit discharge detection and
elimination. No later than July 31, 2029, complete IDDE screening for bacteria sources in
100% of these sub -basins and implement the schedules and activities identified in S5.C.9 of
the Phase I Permit, in response to any illicit connections and illicit discharges found.
Investigation must include activities for both the dry season (May through September) and
the wet season (October through April). IDDE screening for bacteria sources includes the
inspection of county owned MS4 outfalls that are safely accessible, or the next safely
accessible upstream drainage access point that discharge to creeks in the TMDL area. The
results of all bacterial screening conducted in these sub -basins shall be included in the
annual reports submitted to Ecology. Each annual report's TMDL summary shall include,
where applicable, qualitative and quantitative information about IDDE field screening
activities for bacteria sources, including source identification and elimination activities and
sampling results.
CITY OF BUCKLEY
Action Required
Designate areas discharging via the MS4 to Spiketon Creek as high priority areas for illicit
discharge detection and elimination. No later than July 31, 2029, complete IDDE screening for
bacteria sources in 100% of these sub -basins and implement the schedules and activities
identified in S5.C.5 of the Western Washington Phase II Permit, in response to any illicit
connections and illicit discharges found. Investigation must include activities for both the dry
season (May through September) and the wet season (October through April). IDDE screening for
bacteria sources includes the inspection of city owned MS4 outfalls that are safely accessible, or
the next safely accessible upstream drainage access point that discharge to Spiketon Creek. The
results of all bacterial screening conducted in these sub -basins shall be included in the annual
reports submitted to Ecology. Each annual report's TMDL summary shall include, where
applicable, qualitative, and quantitative information about IDDE field screening activities for
bacteria sources, including source identification and elimination activities and sampling results.
APPENDIX 2 -Total Maximum Daily Load (TMDL) Requirements -August 1, 2024 Page 42 of 58
Page 346 of 769
Phase I and Western Washington Phase Il
Municipal5tormwater Permits
Name of TMDL
WRIA 11 - NISQUALLY RIVER BASIN WATER QUALITY
IMPROVEMENT PROJECT
EPA Approved
Nisqually Watershed Bacteria and Dissolved Oxygen Total Maximum
Document(s) for
Daily
TMDL
Load (Water Cleanup Plan): Submittal Report, May 2005, Ecology
Publication No. 05-10-040.
https://fortress.wa.gov/ecy/publications/documents/0503002.pdf
Nisqually River Basin Fecal Coliform Bacteria and Dissolved Oxygen Total
Maximum Daily Load: Water Quality Implementation Plan (WQIP), June
2007, Ecology Publication No. 07-10-016.
https://fortress.wa.gov/ecy/publications/documents/0710016.pdf
Location of
Nisqually Reach 390KRD (WA-PS-0290), Nisqually River OE72JI (WA-11-
Original 303(d)
1010), McAllister Creek LD260X (WA-11-2000), Ohop Creek MW64EV
Listings
(WA-11-1024), Red Salmon Creek NoID (WA-PS-0290)
Area Where
Requirements apply in all areas regulated under the Permittee's
TMDL
municipal stormwater permit and discharging to water bodies listed
Requirements
within the specific requirement in this TMDL section.
Apply
Parameter
Fecal Coliform, Dissolved Oxygen
EPA Approval
August 5, 2005
Date
MS4 Permittee
Phase I Permit: Pierce County
Phase II Permit: Thurston County
PIERCE COUNTY
Action Required
• Designate areas discharging via the MS4 to Ohop Creek and Lynch Creek as high priority
areas for illicit discharge detection and elimination. No later than July 31, 2029, complete
IDDE screening for bacteria sources in 100% of these sub -basins and implement the
schedules and activities identified in S5.C.9 of the Phase I Permit in response to any illicit
connections and illicit discharges found. Investigation must include activities for both the
dry season (May through September) and the wet season (October through April). IDDE
screening for bacteria sources includes the inspection of county owned MS4 outfalls that
APPENDIX 2 -Total Maximum Daily Load (TMDL) Requirements -August 1, 2024 Page 43 of 58
Page 347 of 769
Phase I and Western Washington Phase 11
Municipal Stormwater Permits
are safely accessible, or the next safely accessible upstream drainage access point that
discharge to Ohop and Lynch Creeks. The results of all bacterial screening conducted in
these sub -basins shall be included in the annual reports submitted to Ecology. Each annual
report's TMDL summary shall include, where applicable, qualitative, and quantitative
information about IDDE field screening activities for bacteria sources, including source
identification and elimination activities and sampling results.
THURSTON COUNTY
Action Required
• Annually implement the following best management practices for reducing fecal coliform
bacteria in areas discharging to the Nisqually Reach and McAllister Creek via the MS4 in
accordance with S5.C.2 and S5.C.9 of the Western Washington Phase II Permit:
o Reach households in the targeted watersheds through mailings, door hangers, etc. to
increase awareness of the sources of bacteria pollution.
o Adequately maintain vegetation around stormwater facilities, ditches, and ponds.
o Install and maintain pet waste education signage and bag dispenser stations at
municipal parks and other Permittee owned and operated lands reasonably expected to
have substantial dog use, and where stormwater runoff can enter the MS4 and
discharge to surface waters and/or marine shorelines.
o Distribute pet waste stations (i.e., bag dispensers and educational signage) for
installation in residential neighborhood locations where people commonly walk their
dogs and stormwater runoff can enter the MS4 and discharge to surface waters and/or
marine shorelines.
APPENDIX 2 -Total Maximum Daily Load (TMDL) Requirements -August 1, 2024 Page 44 of 58
Page 348 of 769
Phase 1 and Western Washington Phase 11
Municipal Storm water Permits
WRIA 13 - HENDERSON INLET WATERSHED FECAL
Name of TMDL
COLIFORM BACTERIA WATER QUALITY IMPROVEMENT
PROJECT
Document(s) for
Henderson Inlet Watershed Fecal Coliform Bacteria, Dissolved Oxygen, pH,
TMDL
and Temperature Total Maximum Daily Load Study, March 2006, Ecology
Publication No. 06-03-012.
https://fortress.wa.gov/ecy/publications/documents/0603012.pdf
Henderson Inlet Watershed Fecal Coliform Bacteria, Dissolved Oxygen,
and
pH Total Maximum Daily Load: Water Quality Improvement Report
Implementation Strategy, October 2006, Ecology Publication No. 06-10-
058. https://fortress.wa.gov/ecy/publications/documents/0610058.pdf
Henderson Inlet Watershed Fecal Coliform Bacteria Total Maximum Daily
Load: Water Quality Implementation Plan, July 2008, Ecology Publication
No. 08-10-040.
https://fortress.wa.gov/ecy/publications/documents/0810040.pdf
Location of
Henderson Inlet (WA-13-0010), Dobbs Creek (WA-13-1400), Sleepy Creek
Original 303(d)
(WA-13-1700), Woodard Creek (WA-13-1600), Woodland Creek (WA-13-
Listings
1500)
Area Where
Requirements apply in all areas regulated under the Permittee's
TMDL
municipal stormwater permit and discharging to water bodies listed
Requirements
within the specific requirement in this TMDL section.
Apply
Parameter
Fecal Coliform, Dissolved Oxygen, pH, Temperature
EPA Approval
January 8, 2007
Date
MS4 Permittee
Phase II Permit: Lacey, Olympia, Thurston County
THURSTON COUNTY
Actions Required
Annually implement the following best management practices in areas discharging to the
Henderson Inlet via the MS4 in accordance with S5.C.6 of the Western Washington Phase II
Permit:
APPENDIX 2 -Total Maximum Daily Load (TMDL) Requirements -August 1, 2024 Page 45 of 58
Page 349 of 769
Phase l and Western Washington Phase ll
Municipal Stormwater Permits
a. Require phosphorus control for new and redevelopment projects that discharge via the
MS4 to Woodard Creek and meet the project thresholds in Appendix 1, Minimum
Requirement #6: Runoff Treatment of the Western Washington Phase II Permit.
2. Annually implement the following best management practices for reducing fecal coliform in
areas discharging to the Henderson Inlet via the MS4 in accordance with S5.C.2 of the
Western Washington Phase II Permit.
a. Continue offering public education and outreach efforts for fecal coliform reduction
such as brochures, signage, and pet waste stations to homeowner associations.
3. Annually produce a report that details all actions completed as part of Appendix 2
requirements.
CITY OF LACEY
Actions Required
1. Annually implement the following best management practices in areas discharging to the
Henderson Inlet via the MS4 in accordance with S5.C.2 of the Western Washington Phase II
Permit:
a. Continue the Private Stormwater Facilities Maintenance Program, providing commercial
and residential stormwater facility/BMP owners educational resources for facility
function and maintenance requirements.
b. Offer bacteria pollution reduction brochures, signage, and pet waste stations to
homeowners associations.
c. Maintain pet waste bag dispenser units in city parks.
d. Install educational signage at City facilities/property.
e. Submit a summary of actions completed with each annual report.
2. Implement the Fecal Coliform Bacteria Wet Weather Sampling Program for the College
Regional Stormwater Facility in accordance with the illicit discharge detection and
elimination efforts and activities identified in S5.C.5 of the Western Washington Phase II
Permit.
a. Continue to use the Fecal Coliform Wet Weather Sampling Plan. The sampling program
shall establish a regularly scheduled sampling schedule (at least two times per year),
during the wet season (November through April), specific sampling locations, sampling
protocols, parameters, analytical methods, and timelines for implementation.
b. If sampling results indicate potential illicit discharges, conduct an investigation in
accordance with S5.C.5 of the Western Washington Phase II Permit.
c. Submit a summary of sampling and investigations with each annual report.
APPENDIX 2 - Total Maximum Daily Load (TMDL) Requirements - August 1, 2024 Page 46 of 58
Page 350 of 769
Phase 1 and Western Washington Phase 11
Municipal Stormwater Permits
3. Continue to communicate with the City of Olympia to monitor and reduce fecal coliform
bacteria discharges from the Fones/Taylor wetland treatment facilities by December 31,
2024, in accordance with S5.C.5 of the Western Washington Phase II Permit.
a. If sampling results indicate potential illicit discharges, conduct an investigation in
accordance with S5.C.5 of the Western Washington Phase II Permit.
b. Submit a summary of efforts with sampling, investigation, and enforcement actions
taken with the annual reports.
4. Annually implement the following best management practices in areas discharging to the
Henderson Inlet via the MS4 in accordance with S5.C.9 of the Western Washington Phase II
Permit:
a. Continue re -vegetation and nuisance vegetation management along Woodland Creek
and its tributaries. Submit a summary of actions completed with each annual report.
CITY OF OLYMPIA
Actions Required
1. Annually implement the following BMPs in areas discharging to the Henderson Inlet via the
MS4 in accordance with S5.C.6 of the Western Washington Phase II Permit:
a. Require phosphorus control for new and redevelopment projects that discharge via MS4
to Woodard Creek and meet the project thresholds in Appendix 1, Minimum
Requirement #6: Runoff Treatment of the Western Washington Phase II Permit.
2. Continue to communicate with the City of Lacey to monitor and reduce fecal coliform
bacteria discharges from the Fones/Taylor wetland treatment facilities by December 31,
2024 in accordance with S5.C.5 Illicit Discharge Detection and Elimination of the Western
Washington Phase II Permit.
Continue fecal coliform sampling. The sampling program shall require at least one
sampling event during the wet season (November through April) in each of Year 1 and
Year 3 of the permit cycle. The sampling program shall also require specific sampling
locations, sampling protocols, parameters, analytical methods, and timelines for
implementation.
b. If sampling results indicate potential illicit discharges, conduct an investigation in
accordance with S5.C.5 of the Western Washington Phase II Permit.
c. Submit a summary of efforts with sampling, investigation and enforcement actions
taken with each annual report.
APPENDIX 2 - Total Maximum Daily Load (TMDL) Requirements - August 1, 2024 Page 47 of 58
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Phase I and Western Washington Phase 11
Municipal Stormwoter Permits
Name of TMDL
WRIA 13 - DESCHUTES RIVER WATERSHED
Document(s) for
Deschutes River, Percival Creek, and Budd Inlet Tributaries
TMDL
Temperature, Fecal Coliform Bacteria, Dissolved Oxygen, pH, and Fine
Sediment Total Maximum Daily Load Technical Report: Water Quality
Study Findings. Ecology Publication No. 12-03-008.
https://fortress.wa.gov/ecy/publications/documents/1203008.pdf
Deschutes River, Percival Creek, and Budd Inlet Tributaries
Temperature, Fecal Coliform Bacteria, Dissolved Oxygen, pH, and Fine
Sediment Total Maximum Daily Load: Water Quality Improvement and
Implementation Plan. Ecology Publication No. 15-10-012.
https://fortress.wa.gov/ecy/publications/documents/1510012.pdf
Location of
Deschutes River 6576 7590 48710 48711 48712 48713 48714 48715
Original 303(d)
48717 48718 9439 7588 7592 7593 7595 48720 4872148724 48726.
Listings
Huckleberry Creek 3757. Reichel Creek 48666. Tempo Lake Outlet
48696. Unnamed Creek (Trib to Deschutes River) 7591. Unnamed
Spring (Trib to Deschutes River) 48923. Black Lake Ditch 48733 48734
48735. Percival Creek 4232148249 48727 48729.
Area Where
Requirements apply in all areas regulated under the Permittee's
TMDL
municipal stormwater permit and discharging to water bodies listed
Requirements
within the specific requirement in this TMDL section.
Apply
Parameter
Temperature
EPA Approval
Temperature approved: June 29, 2018
Date
MS4 Permittee
Phase II Permit: Thurston County, Olympia, Lacey, Tumwater
Cities of Olympia; Lacey; Tumwater; and Thurston County
Actions Required
• Annually report on temperature reduction measures in the watershed.
APPENDIX 2 -Total Maximum Daily Load (TMDL) Requirements -August 1, 2024 Page 48 of 58
Page 352 of 769
Phase I and Western Washington Phase II
Municipal Storm water Permits
Name of TMDL
WRIA 13 - BUDD INLET
Document(s) for
Budd Inlet Dissolved Oxygen Total Maximum Daily Load
TMDL
Publication No. 22-10-012. Budd Inlet Total Maximum Daily Load for
Dissolved Oxygen (wa.gov)
Location of
Budd Inlet (inner): 5852, 5853, 5862, 5863, 5864.
Original 303(d)
Budd Inlet (outer): 7582, 7583, 7584, 7585, 7586, 7587, 10188, 81727
Listings
Area Where
Requirements apply in all areas regulated under the Permittee's
TMDL
municipal stormwater permit and discharging to water bodies listed
Requirements
within the specific requirement in this TMDL section.
Apply
Parameter
Dissolved Oxygen
EPA Approval
Approved: December 16, 2022
Date
MS4 Permittee
Phase II Permit: Thurston County, Olympia, Lacey, Tumwater
CITY OF OLYMPIA, LACEY, TUMWATER, & THURSTON COUNTY
Actions required
• No later than March 31, 2025, annually report on municipal stormwater BMPs
implemented (in addition to those already required by S5 of the permit) since the
effective date of this permit (August 1, 2024) to help control nutrients for areas
discharging to Budd Inlet via the MS4.
• No later than December 31, 2027, begin using existing data to conduct spatial analysis of
nutrient loading from the MS4. This analysis shall consider land use sources of nutrients,
existing municipally owned/operated BMPs, and privately owned BMPs regulated by the
Permit that provide management of nutrients and which drain to and are discharged from
the MS4.
• No later than August 1, 2028, develop and implement priority BMPs to minimize the
transport of nutrients via the MS4.
Designate areas discharging via the MS4 to Budd Inlet as high priority areas for illicit
discharge detection and elimination. Complete IDDE screening for nutrient sources in
100% of these areas by July 31, 2029, and implement the schedules and activities
APPENDIX2 - Total Maximum Daily Load (TMDL) Requirements -August 1, 2024 Page 49 of 58
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Phase I and Western Washington Phase 11
Municipal Stormwater Permits
identified in S5.C.5 of the Western Washington Phase II Permit in response to any illicit
discharges found.
• For the actions described above, prioritize work and implementation actions within areas
identified as priorities by the TMDL that are within the applicable jurisdiction, including
East Bay Drive, West Bay Drive and Deschutes Parkway, tributaries draining directly to
Budd Inlet, with extra emphasis on Schneider Creek, Ellis Creek, Mission Creek, Moxlie
Creek, Percival Creek, Black Lake, and Black Lake Ditch.
Name of TMDL
WRIA 14 - OAKLAND BAY, HAMMERSLEY INLET, AND
SELECTED TRIBUTARIES FECAL COLIFORM TMDL
Document(s) for
Oakland Bay, Hammersley Inlet, and Selected Tributaries Fecal Coliform
TMDL
Bacteria Total Maximum Daily Load (Water Quality Improvement
Report), June 2011, Ecology Publication No. 11-10-039.
https://apps.ecology.wa.gov/publications/SummaryPages/1110039.ht
ml
Location of
Campbell Creek 24239 7596 Uncle John Creek 40618 Malaney Creek
Original 303(d)
24237 Goldsborough Creek 6659 Shelton Creek 6660 Inner Shelton
Listings
Harbor 6658 Oakland Bay 39857 39861 39862 39872 45159 45215
53164 Hammersley Inlet/mouth of Mill Creek 39800 Hammersley Inlet
39801 39803 39804 39810 45220 45915 53178
Area Where
Requirements apply in all areas regulated under the Permittee's
TMDL
municipal stormwater permit and discharging to water bodies listed
Requirements
within the specific requirement in this TMDL section.
Apply
Parameter
Fecal Coliform
EPA Approval
August 18, 2011
Date
MS4 Permittee
Phase II Permit: Shelton
APPENDIX 2 -Total Maximum Daily Load (TMDL) Requirements -August 1, 2024 Page 50 of 58
Page 354 of 769
Phase 1 and Western Washington Phase 11
Municipal Stormwater Permits
CITY OF SHELTON
Actions Required
• Designate areas discharging via MS4 to Goldsborough Creek, Inner Shelton Harbor, and
Oakland Bay as high priority areas for illicit discharge detection and elimination and
implement the schedules and activities identified in S5.C.5 of the Western Washington
Phase II Permit. IDDE screening for bacteria sources includes the inspection of city owned
MS4 outfalls that are safely accessible, or the next safely accessible upstream drainage
access point that discharge to Goldsborough Creek, Inner Shelton Harbor, and Oakland Bay.
Bacterial screening results shall be included in annual reporting submitted to Ecology. Each
annual report's TMDL summary shall include, where applicable, qualitative, and quantitative
information about IDDE field screening activities for bacteria sources, including source
identification and elimination activities and sampling results.
• Conduct public education and outreach activities to increase awareness of bacterial
pollution problems and promote proper pet waste management behavior.
• Install and maintain animal waste education signage and/or pet waste bag dispenser
stations at municipal parks and other Permittee owned and operated lands reasonably
expected to have substantial domestic animal (dog and horse) use where stormwater runoff
can enter the MS4 and discharge to surface waters and/or marine shorelines.
APPENDIX 2 - Total Maximum Daily Load (TMDL) Requirements -August 1, 2024 Page 51 of 58
Page 355 of 769
Phase 1 and Western Washington Phase 11
Municipal5tormwater Permits
Name of TMDL
WRIA 15 - SINCLAIR AND DYES INLETS FECAL
COLIFORM BACTERIA TOTAL MAXIMUM DAILY LOAD
Document(s) for
Sinclair and Dyes Inlets Fecal Coliform Bacteria Total Maximum Daily Load
TMDL
(TMDL) Water Quality Implementation Plan, In Draft, Ecology Publication
No. 11-10-051.
https://fortress.wa.F,ov/ecv/publications/publications/1110051.pdf
Location of Original
Dyes Inlet & Port Washington Narrows (WA-15-0020)
303(d) Listings
Gorst Creek (WA-15-4000)
Blackjack Creek (WA-15-4200)
Annapolis Creek (WA-15-4400)
Beaver Creek (WA-15-4900)
Clear Creek (WA-15-5000)
Barker Creek (WA-15-5100)
Sinclair Inlet (WA-15-0040)
Area Where TMDL
These requirements apply to areas served by MS4s listed below
Requirements
within the TMDL coverage area.
Apply
Parameter(s)
Fecal coliform bacteria
EPA Approval Date
July 5, 2012
MS4 Permittee
Phase II Permit: City of Bainbridge Island, WAR04-5503; City of
Bremerton, WAR04-5507; City of Port Orchard, WAR04-5536; Kitsap
County,
WAR04-5546
CITY OF BAINBRIDGE ISLAND
Actions Required
Business Inspections:
The Permittee shall inspect facilities with SIC Industry Group no. 074, 075, including NAICS Major
Group 1152xx, and NAICS 325315 (composting facilities) as part of their ongoing inspection
program identified in S5.C.8. If the Permittee determines, through inspections or otherwise, that
a facility has failed to adequately implement BMPs to prevent bacteria source potential, the
Permittee shall re -inspect the facility at least once more during the permit term to verify
compliance, and/or initiate enforcement action.
APPENDIX 2 -Total Maximum Daily Load (TMDL) Requirements -August 1, 2024 Page 52 of 58
Page 356 of 769
Phase I and Western Washington Phase 11
Municipal5tormwater Permits
Public Education and Outreach: Each Permittee shall include public education and outreach
activities that increase awareness of bacterial pollution problems and promote proper pet waste
management as a BMP under General Awareness.
Operations and Maintenance: Each Permittee shall maintain Pet Waste collection stations at
Permittee owned or operated lands that are reasonably expected to have domestic animal (dog
and horse) use and the potential for pollution to stormwater.
Illicit Connection/ Illicit Discharge Detection and Elimination:
When conducting IDDE field screening during normal course of business (as required by S5.C.5.d
for Phase II Permittees, and IC/IDDE as required by S5.C.9.c for Phase I Permittees) in a TMDL
area, Permittees are shall screen for bacteria sources when at the drainage circuit's most
downstream sampling location. For the purposes of IC/IDDE, stormwater quality sampling is
defined as obtaining grab samples of stormwater within the conveyance system of the MS4, at
discharge points, and/or outfalls (if there is flow) at each drainage circuit's most downstream
accessible sampling location. Permittees shall follow their adopted IDDE procedures to conduct
source tracing efforts if bacteria levels and/or observations trigger a response (see IDDE guidance
manual for bacteria trigger levels).
Qualitative and quantitative information about the source identification and elimination
activities, including procedures followed, sampling locations, and results shall be annually
documented in TMDL reporting as required in the Permittees' Annual Report.
CITY OF BREMERTON
Actions Required
Business Inspections:
The Permittee shall inspect facilities with SIC Industry Group no. 074, 075, including NAICS Major
Group 1152xx, and NAICS 325315 (composting facilities) as part of their ongoing inspection
program identified in S5.C.8. If the Permittee determines, through inspections or otherwise, that
a facility has failed to adequately implement BMPs to prevent bacteria source potential, the
Permittee shall re -inspect the facility at least once more during the permit term to verify
compliance, and/or initiate enforcement action.
Public Education and Outreach: Each Permittee shall include public education and outreach
activities that increase awareness of bacterial pollution problems and promote proper pet waste
management as a BMP under General Awareness.
Operations and Maintenance: Each Permittee shall maintain Pet Waste collection stations at
Permittee owned or operated lands that are reasonably expected to have domestic animal (dog
and horse) use and the potential for pollution to stormwater.
APPENDIX 2 - Total Maximum Daily Load (TMDL) Requirements - August 1, 2024 Page 53 of 58
Page 357 of 769
Phase I and Western Washington Phase 11
Municipal Stormwater Permits
Illicit Connection/ Illicit Discharge Detection and Elimination:
When conducting IDDE field screening during normal course of business (as required by S5.C.5.d
for Phase II Permittees, and IC/IDDE as required by S5.C.9.c for Phase I Permittees) in a TMDL
area, Permittees are shall screen for bacteria sources when at the drainage circuit's most
downstream sampling location. For the purposes of IC/IDDE, stormwater quality sampling is
defined as obtaining grab samples of stormwater within the conveyance system of the MS4, at
discharge points, and/or outfalls (if there is flow) at each drainage circuit's most downstream
accessible sampling location. Permittees shall follow their adopted IDDE Procedures to conduct
source tracing efforts if bacteria levels and/or observations trigger a response (see IDDE guidance
manual for bacteria trigger levels).
Qualitative and quantitative information about the source identification and elimination
activities, including procedures followed, sampling locations, and results shall be annually
documented in TMDL reporting as required in the Permittees' Annual Report.
CITY OF PORT ORCHARD
Actions Required
Business Inspections:
The Permittee shall inspect facilities with SIC Industry Group no. 074, 075, including NAICS Major
Group 1152xx, and NAICS 325315 (composting facilities) as part of their ongoing inspection
program identified in S5.C.8. If the Permittee determines, through inspections or otherwise, that
a facility has failed to adequately implement BMPs to prevent bacteria source potential, the
Permittee shall re -inspect the facility at least once more during the permit term to verify
compliance, and/or initiate enforcement action.
Public Education and Outreach: Each Permittee shall include public education and outreach
activities that increase awareness of bacterial pollution problems and promote proper pet waste
management as a BMP under General Awareness.
Operations and Maintenance: Each Permittee shall maintain Pet Waste collection stations at
Permittee owned or operated lands that are reasonably expected to have domestic animal (dog
and horse) use and the potential for pollution to stormwater.
Illicit Connection/ Illicit Discharge Detection and Elimination:
When conducting IDDE field screening during normal course of business (as required by S5.C.5.d
for Phase II Permittees, and IC/IDDE as required by S5.C.9.c for Phase I Permittees) in a TMDL
area, Permittees are shall screen for bacteria sources when at the drainage circuit's most
downstream sampling location. For the purposes of IC/IDDE, stormwater quality sampling is
defined as obtaining grab samples of stormwater within the conveyance system of the MS4, at
discharge points, and/or outfalls (if there is flow) at each drainage circuit's most downstream
accessible sampling location. Permittees shall follow their adopted IDDE Procedures to conduct
APPENDIX 2 - Total Maximum Daily Load (TMDL) Requirements - August 1, 2024 Page 54 of 58
Page 358 of 769
Phase I and Western Washington Phase 11
Municipal5tormwoter Permits
source tracing efforts if bacteria levels and/or observations trigger a response (see IDDE guidance
manual for bacteria trigger levels).
Qualitative and quantitative information about the source identification and elimination
activities, including procedures followed, sampling locations, and results shall be annually
documented in TMDL reporting as required in the Permittees' Annual Report.
KITSAP COUNTY
Actions Required
Business Inspections:
The Permittee shall inspect facilities with SIC Industry Group no. 074, 075, including NAICS Major
Group 1152xx, and NAICS 325315 (composting facilities) as part of their ongoing inspection
program identified in S5.C.8. If the Permittee determines, through inspections or otherwise, that
a facility has failed to adequately implement BMPs to prevent bacteria source potential, the
Permittee shall re -inspect the facility at least once more during the permit term to verify
compliance, and/or initiate enforcement action.
Public Education and Outreach: Each Permittee shall include public education and outreach
activities that increase awareness of bacterial pollution problems and promote proper pet waste
management as a BMP under General Awareness.
Operations and Maintenance: Each Permittee shall maintain Pet Waste collection stations at
Permittee owned or operated lands that are reasonably expected to have domestic animal (dog
and horse) use and the potential for pollution to stormwater.
Illicit Connection/ Illicit Discharge Detection and Elimination:
When conducting IDDE field screening during normal course of business (as required by S5.C.5.d
for Phase II Permittees, and IC/IDDE as required by S5.C.9.c for Phase I Permittees) in a TMDL
area, Permittees are shall screen for bacteria sources when at the drainage circuit's most
downstream sampling location. For the purposes of IC/IDDE, stormwater quality sampling is
defined as obtaining grab samples of stormwater within the conveyance system of the MS4, at
discharge points, and/or outfalls (if there is flow) at each drainage circuit's most downstream
accessible sampling location. Permittees shall follow their adopted IDDE Procedures to conduct
source tracing efforts if bacteria levels and/or observations trigger a response (see IDDE guidance
manual for bacteria trigger levels).
Qualitative and quantitative information about the source identification and elimination
activities, including procedures followed, sampling locations, and results shall be annually
documented in TMDL reporting as required in the Permittees' Annual Report.
APPENDIX2 -Total Maximum Daily Load (TMDL) Requirements -August 1, 2024 Page 55 of 58
Page 359 of 769
Phase I and Western Washington Phase 11
Municipal Stormwater Permits
Name of TMDL
WRIA 22 - GRAYS HARBOR/CHEHALIS WATERSHED
FECAL COLIFORM BACTERIA TOTAL MAXIMUM DAILY
LOAD
Document(s) for
Grays Harbor/Chehalis Watershed Fecal Coliform Bacteria Total
TMDL
Maximum Daily Load Submittal Report, December 2001, Ecology
Publication No. 01-10-025.
https://fortress.wa.gov/ecy/publications/documents/0110025.pdf
Quality Assurance Project Plan: Grays Harbor Fecal Coliform Bacteria
Monitoring to Characterize Water Quality in Urban Stormwater
Drains, October 2010, Ecology Publication No. 10-10-066.
https://fortress.wa.gov/ecy/publications/documents/1010066.pdf
Location of
Outer Grays Harbor (WA-22-0020), Inner Grays Harbor (WA-22-030),
Original 303(d)
Inner Grays Harbor (WA-22-0030), Chehalis River (WA-22-4040)
Listings
Area Where
Requirements apply in all areas regulated under the Permittee's
TMDL
municipal stormwater permit and discharging to water bodies listed
Requirements
within the specific requirement in this TMDL section.
Apply
Parameter
Fecal Coliform
EPA Approval
December 2002
Date
MS4 Permittee
Phase II Permit: Aberdeen
CITY OF ABERDEEN
Actions Required
1. Implement the schedules and activities identified in S5.C.2 of the Western Washington
Phase II Permit. Continue to implement the Public Education and Outreach and Involvement
Plan (Plan). The Plan shall target the reduction of fecal coliform pollution by increasing
public awareness, effecting behavior changes and shall include: goals, target audiences,
messages, format, distribution, and evaluation methods.
a. The Plan shall include at least the following elements:
i. Target the residents of the three high priority water bodies identified under the
2024-2029 Permit.
APPENDIX 2 - Total Maximum Daily Load (TMDL) Requirements -August 1, 2024 Page 56 of 58
Page 360 of 769
Phase I and Western Washington Phase Il
Municipal Storm water Permits
ii. Reach households in targeted watersheds through mailings, door hangers, or similar
outreach tools.
iii. Reach 4-6th grade students.
b. Continue program which notifies residents, in a timely manner, when bacteria pollution
that poses a public health concern (such as a wastewater overflow) reaches the MS4.
c. Conduct two public education surveys gauging 4-6th grade student knowledge of
general stormwater knowledge, the sources of bacteria and preventing bacteria
pollution. One survey should measure resident's knowledge of bacteria pollution before
outreach and the other should measure knowledge and likelihood of action after
outreach.
d. Continue to implement the City's stream team program and work cooperatively with
Grays Harbor Stream Team.
e. Maintain pet waste bag dispenser units and explanatory signs in public areas with dog
usage.
f. Maintain an inventory of sources that have potential for bacteria runoff such as manure -
composting facilities, stables, and kennels.
i. Continue to use the City's targeted manure management educational plan for such
facility owners. Send one letter annually that outlines compliance requirements.
Maintain a resource webpage on the City's website. Submit a summary of actions
completed with each annual report.
2. Designate areas discharging to the MS4 urban drains identified in the TMDL, as the highest
priority areas for illicit discharge detection and elimination routine field screening efforts
and implement the schedules and activities identified in S5.C.5 of the Western Washington
Phase II Permit. Field screening and source tracing methodology (see S5.C.5.d) must be
consistent with the Quality Assurance Project Plan: Grays Harbor Fecal Coliform Bacteria
Monitoring to Characterize Water Quality in Urban Stormwater Drains, October 2010.
a. Enforce the City's regulatory mechanism to control pet waste.
b. Designate areas discharging via MS4 to the following discharge points: 501-ABDN, 510-
MST, and 514-MST as high priority areas for illicit discharge detection and elimination
efforts.
i. Complete field screening and implement the schedules and priority area for illicit
discharge detection and elimination field screening identified in S5.C.5 of the
Western Washington Phase II Permit. Investigation must include activities for both
the dry season (May through October) and the wet season (November through
April).
APPENDIX 2 - Total Maximum Daily Load (TMDL) Requirements -August 1, 2024 Page 57 of 58
Page 361 of 769
Phase I and Western Washington Phase 11
Municipal Stormwater Permits
ii. Conduct twice monthly wet weather sampling of the discharge points 501-ABDN,
510-MST, and 514-MST to determine if specific discharges from Aberdeen's MS4
exceed the water quality criteria for fecal coliform bacteria.
• Data shall be collected for two wet seasons.
• Data shall be collected in accordance with an Ecology -approved QAPP.
• Samples must be analyzed using an Ecology accredited lab.
• If sampling results indicate potential illicit discharges, conduct an
investigation in accordance with SS.C.S — Illicit Discharge Detection and
Elimination of the Western Washington Phase II Permit.
• Data shall be submitted to Ecology in an approved format with the annual
reports.
APPENDIX 2 - Total Maximum Daily Load (TMDL) Requirements - August 1, 2024 Page 58 of 58
Page 362 of 769
Western Washington Phase 11 Municipal
Stormwater Permit
APPENDIX 3 - Annual Report Questions for Cities, Towns, and
Counties
Permittees are required to submit the following information in an online annual report form, or
an alternative format provided by Ecology if requested, pursuant to Special Condition S9.
Reporting Requirements and SWMP
1. Attach a map of any annexations, incorporations, or boundary changes resulting in an
increase or decrease in the Permittee's geographic area of permit coverage during the
reporting period, per S9.D.6.
Attach updated annual Stormwater Management Program Plan (SWMP Plan). (S5.A.2)
Implemented an ongoing program to gather, track, and maintain information per S5.A.3,
including costs or estimated costs of implementing the SWMP.
a. What was the annual expenditure or estimate to develop and implement the SWMP
this reporting period?
b. What was the annual expenditure or estimate to develop and implement Appendix 2
TMDL requirements, if applicable?
c. What were your source(s) of funding for the stormwater program?
4. Continued to coordinate among departments within the jurisdiction for permit
compliance. (S5.A.5.b)
a. Attach a written description of internal coordination mechanisms. (S5.A.5.b) no later
than March 31, 2026
If applicable, identify other entities relied on to satisfy any of the obligations under the
Permit. (S9.D.4)
Stormwater Planning
Continue to convene an interdisciplinary team to inform and assist in the development,
progress, and influence of the stormwater planning program? (S5.C.1.a.)
Coordination with long-range plan updates
7. List the relevant land use planning efforts that have taken place in your jurisdiction (land
use plans that are used to accommodate growth, stormwater management, or
transportation). (S5.C.1.b.i. — Required by March 31, 2027.)
List of stormwater capital projects (currently in or slated for future design and
construction) that resulted from this planning. (S5.C.1.b.i. — Required by March 31, 2027.)
Appendix 3 - Annual Report for Cities, Towns, and Counties Page 1 of 11
August 1, 2024 Page 363 of 769
Western Washington Phase 11 Municipal
Stormwater Permit
9. Describe watershed protection measures associated with stormwater management and land
use planning actions that resulted from this planning. (SS.C.l.b.i. — Required by March 31,
2027.)
10. Were land acquisitions identified (or are planning ahead for) that are useful for
stormwater facilities to: accommodate growth or to better serve an existing developed
area? (S5.C.1.b.i. — Required by March 31, 2027.)
a. If yes, for what purpose?
11. Updates to goals and policies related to investment in stormwater management
facilities/BMPs? (yes/no) (S5.C.1.b.i. — Required by March 31, 2027)
a. If yes, briefly describe.
Low impact development code -related requirements
12. Continue to design and implement local development -related codes, rules, standards, or
other enforceable documents to minimize impervious surfaces, native vegetation loss,
and stormwater runoff, where feasible? See S5.C.1.c.i. (Required annually)
13. From the assessment described in S5.C.1.6.(a), did you identify any administrative or
regulatory barriers to implementation of LID Principles or LID BMPs? (Required annually)
a. If yes, describe the barrier(s) and the measures taken to address them.
(S5.C.1.6.(a))
14. Adopted and implemented tree canopy goals and policies to support stormwater
management. (S5.C.1.c.iii; December 31, 2028)
a. Attach goals and policies and documented considerations, reasoning, and rationale
for tree canopy goals and policies.
Stormwater Management Action Planning
15. Shelton Only: Developed a watershed inventory as outlined in Appendix 14? (Submitted
by March 31, 2027)
a. Attach watershed inventory as described in S5.C.1.d.i.
16. Shelton Only: Developed a receiving water prioritization method and process as described
in Appendix 14? (Required by June 30, 2027)
a. Attach receiving water priority ranking process as described in Appendix 14.
17. Shelton Only: Developed a Stormwater Action Plan (SMAP) for at least one high priority
area? (Appendix 14, March 31, 2028)
a. Attach SMAP(s).
Appendix 3 - Annual Report for Cities, Towns, and Counties Page 2 of 11
August 1, 2024 Page 364 of 769
Western Washington Phase H Municipal
Stormwater Permit
18. Developed a Stormwater Management Action Plan (SMAP) for at least one new high
priority area or additional actions for an existing SMAP? (S.5.C.1.d.i; Required by March
31, 2027)
a. Attach SMAP(s).
Education and Outreach
19. Did you choose to adopt one or more elements of a regional program? (S5.C.2)
a. If yes, list the elements, and the regional program.
20. Attach a description of general awareness efforts conducted, including your priority
audiences and subject areas, per S5.C.2.a.i.
21. Developed a behavior change campaign that is tailored to the community in accordance
with S5.C.2.a.ii(b)? (Required no later than July 1, 2025)
a. Attach the strategy and schedule developed in accordance with S5.C.2.a.ii.(b).
22. Began implementing strategy outlined in S.5.C.2.a.ii(b). (S5.C.2.a.ii(c)) — Required by
September 1, 2025)
23. Attach the report developed in accordance with S5.C.2.a.ii.(d), which evaluated the changes in
understanding and adoption of targeted behaviors resulting from the implementation of
the strategy and any planned or recommended changes to the program in order to be
more effective. (Required to submit no later March 31, 2029)
24. Provided, partnered, or promoted stewardship opportunities to encourage resident
participation in activities such as those described in S5.C.2.a.iii.
a. Attach a list of stewardship opportunities.
Public Involvement and Participation
25. Describe in Comments field the opportunities created for the public to participate in the
decision -making processes involving the development, implementation, and updates of
the Permittee's SWMP and the SMAP.
a. Describe specific public involvement and participation opportunities provided to
overburdened communities and specifically, highly impacted communities.
(S5.C.3.a.i)
b. Document methods used to identify overburdened communities. (No later than
December 31, 2026, S5.C.3.a.ii)
Appendix -Annual Report for Cities, Towns, and Counties Page 3 of 11
August 1, 2024 Page 365 of 769
Western Washington Phase 11 Municipal
Stormwater Permit
26. Posted the updated SWMP Plan and latest annual report on your website no later than
May 31 of each year? (S5.C.3.b)
a. List the website address in Comments field.
MS4 Mapping and Documentation
27. Maintained an electronic map of the MS4 including the requirements listed in S5.C.4.?
28. Attach file with all known outfall locations, size, and materials no later than March 31,
2026, in accordance with S5.C.4.b.i. The data shall be in one of the following formats:
• ESRI file geodatabase template' (feature class in a .gdb).
• Shapefile template
• ArcGIS Online template (sharing template a or b via ArcGIS Online).
• Excel template'
29. No later than December 31, 2026, mapped tree canopy to support stormwater
management on Permittee-owned or operated properties, using available, existing data
(S5.C.4.b.ii).
30. Mapped and assessed acreage of MS4 tributary basins to 24-inch outfalls (or equivalent)
that have stormwater treatment and flow control BMPs/facilities owned or operated by
the Permittee per S5.C.4.b.iii (no later than March 31, 2028).
a. Attach map of the MS4 tributary basins (.pdf file format).
b. Attach a table with a breakdown of MS4 tributary basins quantifying estimated acres
managed or unmanaged by stormwater treatment and flow control BMPs/facilities
owned or operated by the Permittee (.xlsx file format).
31. No later than December 31, 2028, use available, existing data to map overburdened
communities in relation to stormwater treatment and flow control BMPs/facilities, outfalls,
discharge points, and tree canopy on Permittee-owned or operated properties. (S5.C.2.b.iv)
Illicit Discharge Detection and Elimination
32. Informed public employees, businesses, and the general public of hazards associated with
illicit discharges and improper disposal of waste. (S5.C.5.b)
a. Describe actions in Comments field. (S5.C.5.b)
1 https://fortress.wa.gov/ecy/ershare/wq/permits/MS4GP. Mapoutfall.pre Iim.gdb.zip
2 https://fortress.wa.gov/ecy/ershare/wq/permits/MS4GP.MapoutfaI1.prelim.shape.zip
3 https:Hfortress.wa.gov/ecy/ershare/wq/permits/MS4GP.Mapoutfall.prelim.exceI.xlsx
Appendix 3 - Annual Report for Cities, Towns, and Counties Page 4 of 11
August 1, 2024 Page 366 of 769
Western Washington Phase II Municipal
Stormwater Permit
33. Continued to implement an ordinance or other regulatory mechanism to effectively prohibit
stormwater, illicit discharges, as described in S5.C.5.c.
34. Updated an ordinance or other regulatory mechanism, if necessary, to effectively prohibit
non-stormwater, illicit discharges, as described in S5.C.5.c. Required no later than July 1,
2027.
35. Implemented procedures for conducting illicit discharge investigations in accordance with
S5.C.5.d.i.
a. Cite field screening methodology in Comments field.
36. Percentage of MS4 coverage area screened in the reporting year per S5.C.5.d.i.(a).
(Required to screen 12% on average each year.)
a. Cite field screening techniques used to determine percent of MS4 screened.
37. Describe how you publicized a hotline telephone number for public reporting of spills and
other illicit discharges in the Comments field (S5.C.5.d.ii).
38. Implemented an ongoing illicit discharge training program for all municipal field staff, per
S5.C.5.d.iii.
39. Implemented an ongoing program to characterize, trace, and eliminate illicit discharges,
including spills and illicit discharges, into the MS4, per S5.C.5.e.
a. No later than December 31, 2026, coordinated with firefighting
agencies/departments to be notified when PFAS-containing AFFFs are used, per
S5.C.5.e.ii.(a)?
b. No later than January 1, 2027, updated procedures to minimize discharge of PFAS-
containing AFFFs during post -emergency clean-up, per S5.C.5.e.ii.(b)?
40. Implemented an ongoing illicit discharge training program for all staff responsible for
implementing the procedures and program described in S5.C.5.f.
41. Attach a report with data describing the actions taken to characterize, trace, and eliminate
each illicit discharge reported to, or investigated by, the Permittee, as described in S5.C.5.g.
The submittal must include all of the applicable information and must follow the
instructions, timelines, and format described in Appendix 13.
Appendix 3 - Annual Report for Cities, Towns, and Counties Page 5 of 11
August 1, 2024 Page 367 of 769
Western Washington Phase H Municipal
Stormwater Permit
Controlling Runoff from New Development, Redevelopment, and
Construction Sites
42. Continued to implement an ordinance or other enforceable mechanism to effectively
address runoff from new development, redevelopment, and construction sites, per the
requirements of S5.C.6.b.i-iii.
43. Updated ordinance or other enforceable mechanism to effectively address runoff from new
development, redevelopment, and construction sites, per the requirements of S5.C.6.b.i-iii.
(Required no later than June 30, 2027)
a. Cite code reference in Comments field.
44. Does the ordinance or other enforceable mechanism follow a Phase I program approved by
Ecology (S5.C.6.b.i)?
a. If yes, state the title of the Stormwater Management Manual and which Phase I
Program.
45. Number of adjustments granted to the Minimum Requirements in Appendix 1. (S5.C.6.b.i
and Section 5 of Appendix 1)
a. Number of adjustments granted to Minimum Requirement #5?
46. Number of exceptions granted to the Minimum Requirements in Appendix 1. (S5.C.6.b.i and
Section 6 of Appendix 1)
a. Number of exceptions granted to the Minimum Requirements #5?
47. Reviewed Stormwoter Site Plans for all proposed development activities that meet the
thresholds adopted pursuant to S5.C.6.b.i. (S5.C.6.c.i)
a. Number of site plans reviewed during the reporting period.
48. Inspected, prior to clearing and construction, permitted development sites, per S5.C.6.c.ii
49. Inspected permitted development sites during construction to verify proper installation and
maintenance of required erosion and sediment controls, per S5.C.6.c.iii.
a. Number of construction sites inspected, per S5.C.6.c.iii.
b. Inspected stormwater treatment and flow control BMPs/facilities and catch basins in
new residential developments at least twice per 12-month period with no less than
4 months between inspections, per S5.C.6.c.iv?
Appendix 3 - Annual Report for Cities, Towns, and Counties Page 6 of 11
August 1, 2024 Page 368 of 769
Western Washington Phase H Municipal
Stormwater Permit
50. Inspected all permitted development sites upon completion of construction and prior to
final approval or occupancy to ensure proper installation of permanent stormwater
facilities. (S5.C.6.c.v)
51. Verified a maintenance plan is completed and responsibility for maintenance is assigned for
stormwater treatment and flow control BMPs/facilities prior to final approval and
occupancy being granted. (S5.C.6.c.v)
52. Number of enforcement actions taken during the reporting period (based on construction
phase inspections at new development and redevelopment projects, per S5.C.6.c.ii-iv).
(S5.C.6.c.viii)
53. Achieved at least 80% of scheduled construction -related inspections. (S5.C.6.c.vi)
54. Made online links to Ecology's Construction Stormwater General Permit Notice of Intent, the
Industrial Stormwater General Permit Notice of Intent, and the registration requirements
for Underground Injection Control (UIC) available to representatives of proposed new
development and redevelopment? (S5.C.6.d)
55. All staff whose primary job duties are implementing the program to control stormwater
runoff from new development, redevelopment, and construction sites including permitting,
plan review, construction site inspections, and enforcement are trained to conduct these
activities. (S5.C.6.e)
Stormwater Management for Existing Development
56. Attach a list of projects that are fully funded, started, completed and/or scheduled for
implementation during this permit term for the purpose of meeting S5.C.7.b, with the
information and formatting specified in Appendix 12. Attach an updated list annually.
(S5.C.7.b,)
Source Control Program for Existing Development
57. Updated inventory to identify institutional, commercial and industrial properties which have
the potential to generate pollutants to the Permittee's MS4 per S5.C.8.b? (Required at least
once every five years)
a. Number of total sites identified for the inventory.
58. Attach a summary of actions taken to implement the source control program,
per S5.C.8.a-d.
59. Attach a list of inspections, per S5.C.8.c.v, organized by the business category, noting the
number of times each business was inspected and if enforcement actions were taken, per
S5.C.8.d.
60. Implemented an ongoing source control training program, per S5.C.8.e?
Appendix -Annual Report for Cities, Towns, and Counties Page 7 of 11
August 1, 2024 Page 369 of 769
Western Washington Phase 11 Municipal
Stormwater Permit
Operations and Maintenance
61. Implemented maintenance standards that are as protective, or more protective, of facility
function than those specified in the Stormwater Management Manual for Western
Washington, or a Phase I program approved by Ecology, per S5.C.9.a.?
62. Updated maintenance standards specified in Stormwater Management Manual for Western
Washington, or a Phase I program approved by Ecology, per S5.C.9.a? (Required no later
than June 30, 2027)
63. Applied a maintenance standard for a facility or facilities which do not have maintenance
standards specified in the Stormwater Management Manual for Western Washington?
a. If so, note in the Comments field what kinds of facilities are covered by this
alternative standard. (S5.C.9.a)
64. Verified that maintenance was performed per the schedule in S5.C.9.a.ii, when an
inspection identified an exceedance of the maintenance standard.
a. Attach documentation of maintenance time frame exceedances that were beyond
the Permittee's control.
65. Implemented an ordinance, or other enforceable mechanisms, to verify long-term operation
and maintenance of stormwater treatment and flow control BMPs/facilities regulated by
the Permittee per S5.C.9.b.i(a)?
66. Inspected stormwater treatment and flow control BMPs/facilities regulated by the
Permittee, per S5.C.9.b.i(b).
a. Are you using a reduced stormwater treatment and flow control BMPs/facilities
inspection frequency?
b. If using a reduced inspection frequency on stormwater facilities regulated by the
Permittee for the first time during this permit cycle, attach documentation per
S5.C.9.b.i.(b).
67. Achieved at least 80% of required inspections to verify adequate long-term O&M.
(S5.C.9.b.ii)
68. Annually inspected municipally owned or operated stormwater treatment and flow control
BMPs/facilities, as per S5.C.9.c.i.
a. Number of known Stormwater treatment and flow control BMPs/facilities owned or
operated by the Permittee.
b. Number of facilities inspected during the reporting period.
c. Number of facilities for which maintenance was performed during the reporting
period.
Appendix 3 -Annual Report for Cities, Towns, and Counties Page 8 of 11
August 1, 2024 Page 370 of 769
Western Washington Phase H Municipal
Stormwater Permit
69. If using a reduced inspection frequency, attach documentation per S5.C.9.c.i.
70. Conducted spot checks and inspections of potentially damaged stormwater facilities after
major storms as per S5.C.9.c.ii.
71. Inspected catch basins owned or operated by the Permittee every two years or used an
alternative approach? (S.5.C.9.c.iii)
a. Number of known catch basins and inlets?
b. Number of catch basins and inlets inspected during the reporting period?
c. Number of catch basins and inlets cleaned during the reporting period?
72. Attach documentation of alternative catch basin inspection approach for those owned or
operated by the Permittee, if used, per S5.C.9.c.iii.
73. Implemented practices, policies, and procedures to reduce stormwater impacts associated
with runoff from all lands owned or maintained by the Permittee, and road maintenance
activities under the functional control of the Permittee. (S5.C.9.d)
74. Updated documented practices, policies, and procedures to reduce stormwater impacts
associated with runoff from all lands owned or maintained by the Permittee, and road
maintenance activities under the functional control of the Permittee. (S5.C.9.d —No later
than December 31, 2027)
a. Cite documentation in Comments.
75. No later than July 1, 2027, developed and implemented a municipal street sweeping
program to focus on priority areas and times during the year that would reasonably be
expected to result in the maximum water quality benefits to receiving waters (S5.C.9.e,
required to report beginning March 31, 2028).
76. Attach documentation if implementing an alternative sweeping timing and frequency based
on local conditions. (S5.C.9.e.ii.b.)
77. Document the following information for the sweeping program's priority areas (S5.C.9.e.v,
Beginning no later than March 31, 2028 ):
a. Attach priority areas swept on a map
b. Sweeping dates
c. Sweeping frequency
d. Type of sweeper
e. Total curb miles of priority areas and curb miles swept
f. Approximation of street waste solids removed for each sweeping event, with unit of
weight and wet or dry weight, where available.
Appendix 3 - Annual Report for Cities, Towns, and Counties Page 9 of 11
August 1, 2024 Page 371 of 769
Western Washington Phase H Municipal
Stormwater Permit
78. Disposed of sweeper waste material in accordance with Appendix 6- Street Waste Disposal
(S5.C.9.e.iv)?
79. Implemented a Stormwater Pollution Prevention Plan (SWPPP) for all heavy equipment
maintenance or storage yards, and material storage facilities owned or operated by the
Permittee in areas subject to this Permit that are not required to have coverage under an
NPDES permit that covers Stormwater discharges associated with the activity. (S5.C.9.f)
80. Implemented an ongoing training program for Permittee employees whose primary
construction, operations or maintenance job functions may impact Stormwater quality.
(S5.C.9.g)
Compliance with Total Maximum Daily Load Requirements
81. Complied with the Total Maximum Daily Load (TMDL)-specific requirements identified in
Appendix 2. (S7.A)
a. List any requirements that were not met.
82. For TMDLs listed in Appendix 2: Attach a summary of relevant SWMP and Appendix 2
activities to address the applicable TMDL parameter(s). (S7.A)
Monitoring and Assessment
83. Submitted payment for cost -sharing for Stormwater Action Monitoring (SAM) status and
trends monitoring no later than December 1, 2024 (S8.A.1); and no later than August 15 of
each subsequent year. (S8.A.2.a)
84. Notified Ecology in writing by December 1, 2024, which option you selected: 58.A.2.a, or
S8.A.2.b.
85. Submitted payment for cost -sharing for SAM effectiveness and source identification studies
no later than December 1, 2024 (S8.B.1); and no later than August 15 of each subsequent
year. (S8.B.3.a)
86. Notified Ecology by December 1, 2024, which option you selected: S8.13.2.a, or S8.B.2.b.
87. If conducting stormwater discharge monitoring in accordance with S8.C.1, submitted a
QAPP to Ecology no later than February 1, 2025? (S8.C.1.b and Appendix 9)
88. If conducting stormwater discharge monitoring in accordance with S8.C.1, attach a data and
analysis report, per S8.C.1.d and Appendix 9. (Due annually beginning March 31, 2026)
Appendix -Annual Report for Cities, Towns, and Counties Page 10 of 11
August 1, 2024 Page 372 of 769
Western Washington Phase 11 Municipal
Stormwater Permit
General Conditions and Compliance with Standards
89. Notified Ecology in accordance with G3 of any discharge into or from the Permittee's MS4
which could constitute a threat to human health, welfare, or the environment. (G3)
90. Took appropriate action to correct or minimize the threat to human health, welfare, and/or
the environment, per G3.A.
91. Notified Ecology within 30 days of becoming aware that a discharge from the Permittee's
MS4 caused or contributed to a known or likely violation of water quality standards in the
receiving water. (S4.F.1)
92. If requested, submitted an Adaptive Management Response report in accordance with
S4.F.3.a.
93. Attach a summary of the status of implementation of any actions taken pursuant to S4.F.3
and the status of any monitoring, assessment, or evaluation efforts conducted during the
reporting period. (S4.F.3.d)
94. Notified Ecology of the failure to comply with permit terms and conditions within 30 days of
becoming aware of the non-compliance. (G20)
95. Number of non-compliance notifications (G20) provided in reporting year. List permit
conditions described in non-compliance notification(s) in Comments field.
Appendix 3 -Annual Report for Cities, Towns, and Counties Page 11 of 11
August 1, 2024 Page 373 of 769
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Page 374 of 769
Western Washington Phase 11
Municipal Stormwater Permit
APPENDIX 4 - Annual Report Questions for Secondary
Permittees
Permittees are required to submit annual reports online or in a format provided by Ecology,
upon request, pursuant to Permit condition S9.
S6.D Stormwater Management Program
1. Attach a map of any jurisdictional boundary changes resulting in an increase or decrease in
the Secondary Permittee's geographic area of coverage during the reporting period.
(Required annually, S9.E.6)
2. Attach updated annual Stormwater Management Program Plan (SWMP Plan). (S6.A.2)
3. If applicable, identify other entities relied on to satisfy any of the obligations under the
Permit. (S9.E.4)
S6.D.1 Public Education and Outreach
4. Labeled all storm drain inlets owned or operated by the Secondary Permittee that are
located in maintenance yards, in parking lots, along sidewalks, and at pedestrian access
points. (New Secondary Permittees — Required no later than four years from initial date of
Permit coverage, S6.D.1.a)
Re -labeled all storm drain inlets with labels when no longer clearly visible and/or easily
readable within 90 days. (Required no later than four years from initial date of Permit
coverage, S6.D.1.a)
6. (Public ports, colleges, and universities only) Distributed educational information to
tenants and residents about the impact of stormwater discharges on receiving waters and
steps that can be taken to reduce pollutants in stormwater runoff. (Required no later than
three years from initial date of Permit coverage, S6.D.1.b)
S6.D.2 Public Involvement and Participation
7. Made the annual report and SWMP Plan available on website. (Required annually no later
than May 31, S6.D.2.a and b.)
S6.D.3 Illicit Discharge Detection and Elimination
8. Complied with all relevant ordinances, rules, and regulations of the local jurisdiction(s)
that govern non-stormwater discharges. (Required after initial date of Permit coverage,
S6.D.3.a)
Appendix 4 -Secondary Permittee Annual Report
August 1, 2024
Page 1 of S
Page 375 of 769
Western Washington Phase H
Municipal Stormwater Permit
9. Implemented policies to prohibit illicit discharges and identified enforcement
mechanisms. (New Secondary Permittees — Required no later than one year from initial
date of Permit coverage, S6.D.3.b)
10. Updated policies to prohibit illicit discharges and identified enforcement mechanisms.
(Required no later than July 1, 2027, S6.D.3.b)
11. Implemented an enforcement plan to ensure compliance with policies to prohibit illicit
discharges. (New Secondary Permittees — Required no later than 18 months from initial
date of Permit coverage, S6.D.3.b)
12. Developed and maintained a map of the storm sewer system showing all known storm
drain outfalls, receiving waters, and areas contributing runoff to each outfall. (New
Secondary Permittees — Required no later than four and one half years from initial date of
Permit coverage, S6.D.3.c)
13. Maintained an electronic map of the MS4 showing all known storm drain outfalls,
receiving waters, and areas contributing runoff to each outfall. Made the map available on
request to Ecology or others. (Required by December 31, 2026; S6.D.3.c)
14. Submitted locations of all known MS4 outfalls, including size and material, (S5.D.3.c.ii.
March 31, 2027). The data shall be in one of the following formats and templates:
■ ESRI file Peodatabase template' (feature class in a .gdb)
■ Shapefile template
■ ArcGIS Online template (sharing template a or b via ArcGIS Online)
■ Excel template
15. Conducted field inspections and visually inspected for illicit discharges at approximately
one third of all known MS4 outfalls. (Required no later than two years from initial date of
Permit coverage, S6.D.3.d)
16. Implemented procedures to identify and remove illicit discharges. (Required no later than
two years from initial date of Permit coverage, S6.D.3.d)
17. Attach a summary of each illicit discharge discovered and actions taken to eliminate each
of the discharges. (S6.D.3.d).
1 https://fortress.wa.gov/ecy/ershare/wq/permits/MS4GP.Mapoutfall.prelim.gdb.zip
2 https://fortress.wa.gov/ecy/ershare/wq/permits/MS4GP.Mapoutfall.prelim.shape.zip
s https://fortress.wa.gov/ecy/ershare/wq/permits/MS4GP.Mapoutfall.prelim.excei.xlsx
Appendix 4 -Secondary Permittee Annual Report
August 1, 2024
Page 2ofS
Page 376 of 769
Western Washington Phase 11
Municipal Stormwater Permit
18. Implemented a spill response plan that includes coordination with a qualified spill
responder. (Required no later than four and one-half years from initial date of Permit
coverage, S6.D.3.e)
19. Provided staff training or coordinated with existing training to educate staff on proper
BMPs for preventing illicit discharges, including spills, as described in S6.D.3.f. (Required
no later than two years from initial date of Permit coverage)
S6.D.4 Construction Site Stormwater Control
20. Complied with all relevant ordinances, rules, and regulations of the local jurisdiction(s)
that govern construction phase stormwater pollution prevention activities, if applicable.
(Required after initial date of Permit coverage, S6.D.4.a)
21. Ensured that all applicable construction projects under the functional control of the
Secondary Permittee obtained NPDES Permit coverage. (Required after initial date of
Permit coverage, S6.D.4.b)
22. Coordinated with local jurisdictions on construction projects owned or operated by other
entities that discharge into Secondary Permittee's MS4, as per S6.D.4.c. (Required after
initial date of Permit coverage)
23. Provided training for relevant staff in erosion and sediment control BMPs and
requirements or hired trained contractors to perform the work for all construction
projects owned and operated by the Secondary Permittee. (Required after initial date of
permit coverage, S6.D.4.d)
24. Provided access, as requested, for inspection of construction sites under the control of the
Secondary Permittee during the land disturbing activity and/or construction period.
(Required after initial date of Permit coverage, S6.D.4.e)
S6.D.5 Post -Construction Stormwater Management for New Development and
Redevelopment
25. Complied with all relevant ordinances, rules, and regulations of the local jurisdiction(s)
that govern post -construction stormwater pollution prevention activities, including proper
operation and maintenance of the MS4. (Required after initial date of Permit coverage,
S6.D.S.a)
26. Coordinated with local jurisdiction regarding projects owned or operated by other entities
which discharge into the Secondary Permittee's MS4. (Required after initial date of Permit
coverage, S6.D.5.b)
Appendix 4 - Secondary Permittee Annual Report Page 3 of 5
August 1, 2024
Page 377 of 769
Western Washington Phase 11
Municipal Stormwater Permit
S6.D.6 Pollution Prevention and Good Housekeeping for Municipal Operations
27. Implemented an Operation and Maintenance program. (New Secondary Permittees—
Required no later than three years from initial date of Permit coverage, S6.D.6.a)
28. Updated 0&M Plan, as needed, no later than July 1, 2027 (S6.D.6.a).
29. Established and implemented maintenance standards for stormwater collection and
conveyance systems, as described in S6.D.6.a.i. (New Secondary Permittees — Required no
later than three years from initial date of Permit coverage.)
30. Conducted spot checks of potentially damaged stormwater treatment and flow control
BMPs/facilities after major storms. (New Secondary Permittees— Required no later than
three years from initial date of Permit coverage, S6.D.6.a.i)
31. Developed and implemented a Stormwater Pollution Prevention Plan (SWPP) for material
storage areas, heavy equipment maintenance or storage yards not covered by another
NPDES Permit that authorizes stormwater discharges associated with the activity. (New
Secondary Permittees — Required no later than three years from initial date of Permit
coverage, S6.D.6.a.viii)
32. Have NPDES Permit coverage for Industrial Stormwater General Permit for all applicable
industrial facilities operated by the Permittee, or another NPDES Permit that authorizes
surface water discharges associated with the activity. (Required after initial date of Permit
coverage, S6.D.6.b)
33. Implemented a program designed to train staff to carry out the Operations and
Maintenance plan as described in S6.D.6.d. (Required no later than three years from initial
date of Permit coverage)
S7. Compliance with Total Maximum Daily Load Requirements
34. Is there an approved Total Maximum Daily Load (TMDL) applicable to stormwater
discharges from a MS4 owned or operated by the Permittee? (S7)
35. Complied with the specific requirements identified in Appendix 2. (S7.A)
36. Attach status report of TMDL implementation. (S7.A)
General Conditions
37. Notified Ecology of the failure to comply with the Permit terms and conditions within 30
days of becoming aware of the non-compliance. (G20)
38. Notified Ecology immediately in cases where the Permittee becomes aware of a discharge
into or from the Permittee's MS4 which may constitute a threat to human health, welfare,
or the environment. (G3)
Appendix 4 - Secondary Permittee Annual Report Page 4 of 5
August 1, 2024
Page 378 of 769
Western Washington Phase H
Municipal Stormwater Permit
39. Took appropriate action to correct or minimize discharges into or from the MS4 which
could constitute a threat to human health, welfare, or the environment. (G3.A)
S4 Compliance with Standards
40. If applicable, attach a summary of the status of implementation of any actions taken
pursuant to S4.F, and the status of any monitoring, assessment, or evaluation efforts
conducted during the reporting period. (S4.F.3.d)
Appendix 4 -Secondary Permittee Annual Report
August 1, 2024
Page 5 of 5
Page 379 of 769
Western Washington Phase ll
Municipal Stormwater Permit
APPENDIX 5 - Annual Report Questions for New Permittees
New Permittees that are Cities, Towns, or Counties are required to submit the following
information in an online annual reportform, or an alternative format provided by Ecology,
upon request, pursuant to Special Condition S9.
Reporting Requirements and SWMP
1. Attach annual Stormwater Management Program Plan (SWMP). (Required no later than
March 31, 2029, S5.A.2)
2. Attach a notification of any annexations, incorporations, or boundary changes resulting in
an increase or decrease in the Permittee's geographic area of Permit coverage during the
reporting period per S9.D.6.
3. Implemented an ongoing program to gather, track, and maintain information per S5.A.3,
including costs or estimated costs of developing and implementing the SWMP. (Required
to begin no later than January 1, 2026)
4. Provide a breakdown of average annual costs (or estimates) to implement the SWMP and
permit programs (55.A.3.a, required to be submitted no later than March 31, 2027):
a. What was the annual expenditure or estimate to develop and implement the SWMP
this reporting period?
b. What was the annual expenditure or estimate to develop and implement Appendix 2
TMDL requirements, if applicable?
c. What were your source(s) of funding for the stormwater program?
5. Coordinated among departments within the jurisdiction to eliminate barriers to Permit
compliance. (S5.A.5.b)
a. Attach a written description of internal coordination mechanisms. (Required no later
than March 31, 2026, S5.A.5.b)
6. If applicable, identify other entities relied on to satisfy any of the obligations under the
Permit. (S9.1)4).
Appendix 5 - Annual Report for New Permittees - August 1, 2024 PRapf881 of 769
Western Washington Phase 11
Municipal Stormwater Permit
Stormwater Planning
7. Have you convened an interdisciplinary team to inform and assist in the development,
progress, and influence of the stormwater planning program? (Required by August 1,
2025, S.5.C.1.a)
Coordination with Long-range Plan Updates
8. List the relevant land use planning efforts that have taken place in your jurisdiction (i.e.,
land use plans that are used to accommodate growth, stormwater management, or
transportation). (S5.C.1.b.i.- Required by March 31, 2027)
9. List of stormwater capital projects (currently in or slated for future design and
construction) that resulted from this planning. (S5.C.1.b.i — Required by March 31, 2027)
10. Describe watershed protection measures associated with stormwater management and
land use planning actions that resulted from this planning. (S5.C.1.b.i— Required by
March 31, 2027)
11. Were land acquisitions identified (or are planning ahead for) that are useful for
stormwater facilities to accommodate growth or to better serve an existing developed
area? (S5.C.1.b.i— Required by March 31, 2027,)
a. If yes, for what purpose?
12. Updates to goals and policies related to investment in stormwater management
facilities/BMPs? (yes/no) (S5.C.1.b.i— Required by March 31, 2027)
a. If yes, briefly describe in Comments.
Low Impact Development Code -related Requirements
13. Reviewed, revised and made effective the low impact development -related enforceable
documents per S5.C.1.c.ii. (Required by December 31, 2028)
a. Attach a summary of the LID review and revision process that includes the
requirements listed in S.5.C.1.c.ii. (Required no later than March 31, 2029)
14. Adopted and implemented tree canopy goals and policies to support stormwater
management and water quality improvement in receiving waters. (S5.C.1.c.iii; December
31, 2028)
Appendix 5 - Annual Reportfor New Permittees - August 1, 2024 PF�agef S82 of 769
Western Washington Phase H
Municipal Stormwater Permit
Education and Outreach
15. Attach a description of general awareness efforts conducted per S5.C.2.a.i, including
what, if any, regional program you are participating in. (Required to begin no later than
August 1, 2027)
16. Developed a behavior change program that is tailored to the community in accordance
with S5.C.2.a.ii.(c)? (Required no later than August 1, 2025)
a. Attach the strategy and schedule developed in accordance with S5.C.2.a.ii(c).
17. Began implementing strategy outlined in S.5.C.2.a.ii.(c). (Required by October 1, 2025)
18. Provided stewardship opportunities (or partnered with others) to encourage resident
participation. (Required to begin no later than August 1, 2027, S5.C.2.a.iii)
Public Involvement and Participation
19. Describe in Comments field the opportunities created for the public, including
overburdened communities, to participate in the decision -making processes involving the
development, implementation, and updates of the Permittee's SWMP. (Required to begin
no later than August 1, 2025, S5.C.3.a)
20. Describe specific public involvement opportunities provided to overburdened
communities. (S5.C.3.a.i)
21. Document methods used to identify overburdened communities. (No later than
December 31, 2026, S5.C.3.a.ii)
22. Posted the updated SWMP Plan and latest annual report on your website no later than
May 31. List the website address in Comments field. (Required to begin posting no later
than May 31, 2026, S5.C.3.b)
MS4 Mapping and Documentation
23. Developed a map of the MS4 that includes the requirements listed in S5.C.4. (Required no
later than March 31, 2029)
24. Met the requirements of S5.C.4.a.vii for all connections to the MS4 authorized after
August 1, 2024. (Required to begin no later than August 1, 2024)
Appendix 5 - Annual Report for New Permittees - August 1, 2024 PPgagef383 of 769
Western Washington Phase 11
Municipal Stormwater Permit
25. No later than March 31, 2027, submitted locations of all known MS4 outfalls, including
size and material, in accordance with S5.D.4.b.i. The data shall be in one of the following
formats:
• ESRI file geodatabase templates (feature class in .gdb)
• Shapefile template
• ArcGIS Online template (sharing template a or b via ArcGIS Online)
• Excel template!
Illicit Discharge Detection and Elimination
26. Informed public employees, businesses, and the general public of hazards associated with
illicit discharges, per S.5.C.5.b? (Required no later than August 1, 2026)
27. Adopted and implemented an ordinance or other regulatory mechanism to effectively
prohibit illicit discharges, per the requirements in S5.C.5.c.i-iv. (Required no later than
August 1, 2026)
a. Cite reference for ordinance or other regulatory mechanism to meet this
requirement in Comments field.
28. Developed and implemented procedures for conducting illicit discharge investigations in
accordance with S5.C.5.d.i? Cite methodology used in the Comments sections. (Required
no later than August 1, 2028)
29. Screened the MS4 within coverage area each year in accordance with S5.C.5.d.i.(a)
(Required to screen 40% no later than December 31, 2028; 12% on average each year,
thereafter)
30. How are you publicizing your hotline? (Required to be available no later than
August 1, 2026, S5.C.5.d.ii)
31. Developed and implemented an ongoing illicit discharge training program for all municipal
field staff per S5.C.5.d.iii. (Required to begin no later than March 31, 2026)
32. Developed and implemented a program to characterize, trace, and eliminate illicit
discharges into the MS4 found by or reported to the Permittee. (Required no later than
August 1, 2028, S5.C.5.e)
33. Trained municipal illicit discharge detection staff to conduct illicit discharge detection and
elimination activities referenced in S5.C.5.f. (Required no later than March 31, 2026)
' https://fortressma.gov/ecy/ershare/wq/permits/MS4GP. Mapoutfall.pre Iim.gdb.zip
2 https://fortress.wa.gov/ecy/ershare/wq/permits/MS4GP.Mapoutfa IL pre Iim.shape.zip
3 https:Hfortress.wa.gov/ecy/ershare/wq/permits/MS4GP.Mapoutfall.prelim.exceI.xisx
Appendix 5 - Annual Report for New Permittees - August 1, 2024 PRagef S84 of 769
Western Washington Phase H
Municipal Stormwater Permit
34. Attach a report with data describing the actions taken to characterize, trace, and
eliminate each illicit discharge reported to, or investigated by, the Permittee, as described
in S5.C.5.g. The submittal must include all of the applicable information and must follow
the instructions, timelines, and format described in Appendix 13.
Controlling Runoff from New Development, Redevelopment and Construction Sites
35. Developed and implemented a program to reduce pollutants in stormwater runoff to the
MS4 from new development, redevelopment and construction site activities. (Required no
later than June 30, 2027, S5.C.6)
36. Adopted and implemented an ordinance or other enforceable mechanism to address
runoff from new development, redevelopment and construction sites per the
requirements of S5.C.6.a. (Required no later than June 30, 2027)
a. Cite the jurisdiction code reference used to meet this requirement in Comments
field.
37. Number of exceptions granted to the minimum requirements in Appendix 1. (Required
March 31, 2028, S5.C.6.b.i and Section 6 of Appendix 1)
38. Number of adjustments granted to the minimum requirements in Appendix 1. (Required
March 31, 2028, S5.C.6.b.i and Section 6 of Appendix 1)
39. Reviewed Stormwater Site Plans for all proposed development activities that meet the
thresholds adopted pursuant to S5.C.6.b.ii. (Required no later than June 30, 2027,
S5.C.6.c.i)
Number of site plans reviewed during the reporting period.
40. Inspected, prior to clearing and construction, all permitted development sites, per
S5.C.6.c.ii. (Required no later than June 30, 2027)
41. Inspected all permitted development sites during construction to verify proper installation
and maintenance of required erosion and sediment controls. (Required no later than June
30, 2027, S5.C.6.c.iii)
a. Inspected new residential stormwater treatment and flow control BMPs/facilities
and catch basins at least twice per 12-month period, with no less than 4 months
between inspections, per S5.C.6.c.iv, to identify maintenance needs and enforce
compliance with maintenance standards.
42. Number of enforcement actions taken during the reporting period based on construction
phase inspections at new development and redevelopment projects. (Required no later
than June 30, 2027, S5.C.6.c.ii-iv)
Appendix 5 - Annual Report for New Permittees - August 1, 2024 PRagef385 of 769
Western Washington Phase II
Municipal Stormwater Permit
43. Inspected all permitted development sites upon completion of construction and prior to
final approval or occupancy to ensure proper installation of stormwater facilities.
(Required no later than June 30, 2027, S5.C.6.c.v)
44. Verified a maintenance plan is completed, and responsibility for maintenance is assigned
for projects. (Required no later than June 30, 2027, S5.C.6.c.v)
45. Achieved at least 80% of scheduled construction -related inspections. (Required no later
than June 30, 2027, S5.C.6.c.vi)
46. Made Ecology's Construction Stormwater General Permit Notice of Intent and Industrial
Stormwater General Permit Notice of Intent available to representatives of proposed new
development and redevelopment? (Required no later than August 1, 2024, S5.C.6.d)
47. All staff whose primary job duties are implementing the program to control stormwater
runoff from new development, redevelopment, and construction sites are trained to
conduct these activities? (Required no later than December 31, 2027, S5.C.6.e)
Source Control Program for Existing Development
48. Adopted ordinance(s), or other enforceable documents, requiring the application of
source control BMPs for pollutant generating sources associated with existing land uses
and activities, per S.5.C.8.a. (Required by August 1, 2026)
a. Cite ordinance in Comments field.
49. Established an inventory per S5.C.8.b. (Required by August 1, 2027)
a. Number of total sites identified for the inventory.
50. Implemented an inspection program, per S5.C.8.c. (Required by January 1, 2028)
51. Implemented a progressive enforcement policy, per S5.C.8.d. (Required by January 1,
2028)
52. Attach a summary of actions taken to implement the Source Control program, per
S5.C.8.d.iii (March 31, 2029)
a. Attach a list of inspections, per S5.C.8.d, organized by the business category,
noting the amount of times each business was inspected, and if enforcement
actions were taken.
53. Implemented a Source Control training program, per S5.C.8.e. (December 31, 2027)
Appendix 5 - Annual Report for New Permittees - August 1, 2024 PROgef 886 of 769
Western Washington Phase 11
Municipal Stormwater Permit
Operation and Maintenance
54. Developed and implemented maintenance standards as protective, or more protective, of
facility function as those specified in the Stormwater Management Manual for Western
Washington. (Required no later than June 30, 2027, S5.C.9.a)
55. Applied a maintenance standard for a facility or facilities which do not have maintenance
standards specified in the Stormwater Management Manual for Western Washington.
(Required to report, if applicable, no later than June 30, 2027, S5.C.9.a)
Note in the Comments field what kinds of facilities are covered by this alternative
maintenance standard.
56. Verified that maintenance was performed per the schedule in S5.C.9.a.ii when an
inspection identified an exceedance of the maintenance standard. (June 30, 2027)
Attach documentation of any maintenance delays.
57. Implemented an ordinance or other enforceable mechanisms to verify long-term
operation and maintenance of stormwater treatment and flow control BMPs/facilities
regulated by the Permittee, per S5.C.9.b.i?
58. Annually inspected stormwater treatment and flow control BMPs/facilities regulated by
the Permittee, per S5.C.9.b.i(b).
a. If using reduced inspection frequency for the first time during this permit cycle,
attach documentation, per S5.C.9.b.i(b).
59. Achieved at least 80% of scheduled inspections to verify adequate long-term O&M.
(S5.C.9.b.ii)
60. Annually inspected all municipally owned or operated permanent Stormwater treatment
and flow control BMPs/facilities. (Required no later than June 30, 2027, S5.C.9.c.i)
a. Number of municipally owned or operated stormwater treatment and flow control
BMPs/facilities.
b. Number of facilities inspected during the reporting period.
Number of facilities for which maintenance was performed during the reporting
period.
61. Attach documentation of a reduced stormwater treatment and flow control
BMPs/facilities inspection frequency as per S5.C.9.c.i. (Required, if applicable)
62. Conducted spot checks and inspections of potentially damaged stormwater facilities after
major storms. (Required no later than June 30, 2027, S5.C.9.c.ii)
Appendix 5 - Annual Reportfor New Permittees - August 1, 2024 PRagef 387 of 769
Western Washington Phase II
Municipal Stormwater Permit
63. Inspected all municipally owned or operated all catch basins and inlets owned or operated
by the Permittee at least once every two years, or used an alternative approach.
(Required no later than December 31, 2028, SS.C.9.c.iii)
a. Number of known catch basins.
b. Number of catch basins inspected.
C. Number of catch basins cleaned.
64. Attach documentation of alternative catch basin inspection approach, if used. (Required,
if applicable, SS.C.9.c.iii)
65. Developed and implemented practices, policies, and procedures to reduce stormwater
impacts associated with runoff from all lands owned or maintained by the Permittee, and
road maintenance activities under the functional control of the Permittee. (Required no
later than December 31, 2027, S5.C.9.d)
66. No later than July 1, 2027, developed and implemented a municipal street sweeping
program to focus on priority areas and times during the year that would reasonably be
expected to result in the maximum water quality benefits to receiving waters (S5.C.9.e,
required to report beginning March 31, 2028).
67. Attach documentation if implementing an alternative sweeping timing and frequency,
based on local conditions (S5.C.9.e.ii.b.)
a. Attach priority areas swept on a map
b. Sweeping dates
c. Sweeping frequency
d. Type of sweeper
e. Total curb miles of priority areas and curb miles swept
f. Approximation of street waste solids removed for each sweeping event, with unit
of weight and wet or dry weight, where available.
68. Disposed of sweeper waste material in accordance with Appendix 6- Street Waste
Disposal (S5.C.9.e.iv)?
69. Developed and implemented a Stormwater Pollution Prevention Plan (SWPPP) for all
heavy equipment maintenance or storage yards, and material storage facilities owned or
operated by the Permittee in areas subject to this Permit, as described in (Required no
later than June 30, 2027, S5.C.9.f)
Appendix 5 - Annual Reportfor New Permittees - August 1, 2024 pRagefS88 of 769
Western Washington Phase 11
Municipal Stormwater Permit
70. Developed and implemented an ongoing training program for Permittee employees
whose primary construction, operations or maintenance job functions may impact
stormwater quality. (Required no later than June 30, 2027, S5.C.9.g)
Compliance with Total Maximum Daily Load Requirements
71. Complied with the Total Maximum Daily Load (TMDL) - specific requirements identified
in Appendix 2, if applicable. (S7.A)
a. List and requirements that were not met.
72. For TMDLs listed in Appendix 2, attach a summary of relevant SWMP and Appendix 2
activities to address the applicable TMDL parameter. (S7.A.1)
General Conditions and Compliance with Standards
73. Notified Ecology in accordance with G3 of any discharge into or from the Permittee's
MS4 which could constitute a threat to human health, welfare, or the environment. (G3)
74. Took appropriate action to correct or minimize the threat to human health, welfare,
and/or the environment, per G3.A.
75. Notified Ecology within 30 days of becoming aware that a discharge from the
Permittee's MS4 caused or contributed to a known or likely violation of water quality
standards in the receiving water. (S4.F.1)
76. If requested, submitted an Adaptive Management Response report in accordance with
S4.F.3.a.
77. Attach a summary of the status of implementation of any actions taken pursuant to
S4.F.3 and the status of any monitoring, assessment, or evaluation efforts conducted
during the reporting period? (S4.F.3.d)
78. Notified Ecology of the failure to comply with the permit terms and conditions within 30
days of becoming aware of the non-compliance? (G20)
79. Number of non-compliance notifications (G20s) provided in reporting year. List Permit
conditions described in non-compliance notification(s) in Comments field.
Appendix 5 - Annual Report for New Permittees - August 1, 2024 PRagef 389 of 769
Municipal Stormwater Permit
APPENDIX 6 - Street Waste Disposal
Street Waste Liquids General Procedures
Street waste collection should emphasize retention of solids in preference to liquids. Street
waste solids are the principal objective in street waste collection and are substantially easier to
store and treat than liquids.
Street waste liquids require treatment before their discharge. Street waste liquids, which
include, but are not limited to, eductor and street sweeping truck decant and drainage from
piles and containers, usually contain high amounts of suspended and total solids and absorbed
metals. Treatment requirements depend on the discharge location.
Discharges to sanitary sewer and storm sewer systems must be approved by the entity
responsible for operation and maintenance of the system. Ecology will not generally require
waste discharge permits for discharge of stormwater decant to sanitary sewers or to
stormwater treatment BMPs constructed and maintained in accordance with Ecology's
Stormwater Management Manual for Western or Eastern Washington, as appropriate.
The following order of preference, for disposal of liquid from collection of street waste and
water removed from stormwater treatment BMPs, is required.
1. Discharge of street waste decant liquids to a municipal sanitary sewer connected to a
Publicly Owned Treatment Works (POTW) is the preferred disposal option. Discharge to a
municipal sanitary sewer requires the approval of the sewer authority. Approvals for
discharge to a POTW will likely contain pretreatment, quantity, and location conditions to
protect the POTW.
2. Discharge of street waste decant liquids may be allowed into a Basic or Metals Runoff
Treatment BMP, if option 1 is not available. Street waste liquid may be discharged back
into the storm sewer system under the following conditions only when all of the following
apply:
• The preferred disposal option of discharge to sanitary sewer is not reasonably available;
The liquid comes from street waste only. Do not send liquids decanted from sanitary
wastes to stormwater BMPs;
• The discharge is to a Basic or Metals Runoff Treatment BMP. If pretreatment does not
remove visible sheen from oils, the Runoff Treatment BMP must be able to prevent the
discharge of oils causing a visible sheen;
Appendix 6 - Street Waste Disposal - August 1, 2024 Pagel of 3
Page 391 of 769
Municipal Stormwater Permit
• The discharge from the eductor or sweeper truck is as near to the inlet of the Runoff
Treatment BMP as is practical, to minimize contamination or recontamination of the
collection system;
• The storm sewer system owner/operator has granted approval and has determined that
the Runoff Treatment BMP will accommodate the increased loading. Pretreatment
conditions to protect the Runoff Treatment BMP may be issued as part of the approval
process. Following local pretreatment conditions is a requirement of this Permit; and
• Ecology must approve in advance flocculants for the pretreatment of street waste
liquids. The liquids must be non -toxic under the circumstances of use. If the
owner/operator adds flocculants to street waste liquids, they must follow the
requirements of BMP C250/C250E: Construction Stormwater Chemical Treatment and
BMP C251/251E: Construction Stormwater Filtration.
The reasonable availability of sanitary sewer discharge will be determined by the Permittee,
by evaluating such factors as distance, time of travel, load restrictions, and capacity of the
Runoff Treatment BMP.
3. Operators may temporarily place portable tanks (e.g. Baker Tanks) near where sweeping
is taking place to temporarily hold water and solids from the sweeper. Transfer this
water/solid mixture to the decant facility at a later time.
4. Operators may discharge liquids removed from the street while sweeping during rain
events, if the designated decant facility is a distance away (i.e., travel time would
significantly impact the amount of sweeping). When sweeping during rain events, the
sweeper will fill with water quickly.
Discharge to Wastewater Collection System: Operators may discharge water from eductor
or sweeper trucks to the wastewater collection system through manholes located in the
street that is swept with approval from the Sewer Authority. The method used to move
water from the sweeper to the wastewater collection system should be developed by the
Sewer Authority.
Discharge to Stormwater Collection System: Operators may discharge clear decanted water
to the stormwater collection system for the roadway being swept when all of the conditions
listed below apply. Operators cannot deposit decanted water into a collection system
different from the system for the roadway being swept. Conditions to discharge:
• The catch basin receiving the decanted water already receives runoff from the swept
street.
The water entering the sweeper storage tank is runoff from the street and not water
placed on the street by a water truck or the sweeper during the sweeping operation.
Appendix 6 - Street Waste Disposal - August 1, 2024 Page 2 of 3
Page 392 of 769
Municipal Stormwater Permit
• The sweeper stays in place for a minimum of 15 minutes at the discharge location to
allow solids to settle prior to decanting the water from the storage tank.
• The operator places an appropriately sized catch basin filter in the catch basin or a filter
sock attached to the end of the outlet hose allowing for a slow release of water.
Remove the catch basin filter or filter sock following its use.
• The operator stops discharging liquids to the catch basin when there is a concentration
of solids leaving the tank.
• The storm sewer system owner/operator shall approve the discharge.
S. Operators may return water removed from stormwater ponds, vaults, and oversized catch
basins to the storm sewer system. Stormwater ponds, vaults, and oversized catch basins
contain substantial amounts of liquid, which hampers the collection of solids and poses
problems if the removed waste must be hauled away from the site. Water removed from
these facilities may be discharged back into the pond, vault, or oversized catch basin
provided:
• Clear water removed from a stormwater treatment structure may be discharged directly
to a down gradient cell of a treatment pond or into the storm sewer system.
• Turbid water may be discharged back into the structure it was removed from if:
The removed water has been stored in a clean container (eductor truck, Baker tank,
or other appropriate container or facility used specifically for handling stormwater
or clean water); and
o There will be no discharge from the pond, vault, or oversized catch basin for at least
24 hours.
• The discharge must be approved by the storm sewer system owner/operator.
Street Waste Solids
Soils generated from maintenance of the MS4 may be reclaimed, recycled or reused when
allowed by local codes and ordinances. Street Wastes are defined in Chapter 173-350 WACi.
Soils that are identified as contaminated, pursuant to Chapter 173-350 WAC, shall be disposed
of at a qualified solid waste disposal facility.
Typically, the County Health Department produces permits for disposal of solid waste and not
Ecology. Ecology's authority does not extend to actual disposal of street waste material.
' https:Happs.leg.wa.gov/wac/default.aspx?cite=173-350
Appendix 6 - Street Waste Disposal - August 1, 2024 Page 3 of 3
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Municipal Stormwater Permit
APPENDIX 7 - Determining Construction Site Sediment
Damage Potential
The following rating system allows objective evaluation of a particular development site's
potential to discharge sediment. Permittees may use the rating system below or develop
alternative process designed to identify site -specific features which indicate that the site must
be inspected prior to clearing and construction. Any alternative evaluation process must be
documented and provide for equivalent environmental review.
Step 1 is to determine if there is a sediment/erosion sensitive feature downstream of the
development site. If there is such a site downstream, complete Step 2, assessment of hydraulic
nearness. If there is a sediment/erosion sensitive feature and it is hydraulically near the site, go
to Step 3 to determine the construction site sediment transport potential.
STEP 1— Sediment/Erosion Sensitive Feature Identification
Sediment/erosion sensitive features are areas subject to significant degradation due to the
effect of sediment deposition or erosion. Special protection must be provided to protect them.
Sediment/erosion sensitive features include but are not limited to:
i. Salmonid bearing fresh water streams and their tributaries or freshwater streams that
would be Salmonid bearing if not for anthropogenic barriers;
ii. Lakes;
iii. Category I, II, and III wetlands;
iv. Marine near -shore habitat;
v. Sites containing contaminated soils where erosion could cause dispersal of
contaminants; and
vi. Steep slopes (25% or greater) associated with one of the above features.
Identify any sediment/erosion sensitive features, and proceed to Step 2. If there are none, the
assessment is complete.
Appendix 7- Determining Sediment Damage Potential - August 1, 2024 Page 1 of 5
Page 395 of 769
Municipal Stormwater Permit
STEP 2 — Hydraulic Nearness Assessment
Sites are hydraulically near a feature if the pollutant load and peak quantity of runoff from the
site will not be naturally attenuated before entering the feature. The conditions that render a
site hydraulically near to a feature include, but are not limited to, the following:
i. The feature or a buffer to protect the feature is within 200 feet downstream of the site.
ii. Runoff from the site is tight -lined to the feature or flows to the feature through a
channel or ditch.
A site is not hydraulically near a feature if one of the following takes place to provide
attenuation before runoff from the site enters the feature:
i. Sheet flow through a vegetated area with dense ground cover
ii. Flow through a wetland not included as a sensitive feature
iii. Flow through a significant shallow or adverse slope, not in a conveyance channel,
between the site and the sensitive feature.
Identify any of the sediment/erosion sensitive features from Step 1 that are hydraulically near
the site, and proceed to Step 3. If none of the sediment/erosion sensitive features are
hydraulically near the site, the assessment is complete.
STEP 3 — Construction Site Sediment Transport Potential
Using the worksheet below, determine the total points for each development site. Assign points
based on the most critical condition that affects 10% or more of the site.
If soil testing has been performed on site, the results should be used to determine the
predominant soil type on the site. Otherwise, soil information should be obtained from the
county soil survey to determine Hydrologic Soil Group (Table of Engineering Index Properties
for step LID) and Erosion Potential (Table of Water Features for step LE).
When using the county soil survey, the dominant soil type may be in question, particularly
when the site falls on a boundary between two soil types or when one of two soil types may be
present on a site. In this case, the soil type resulting in the most points on the rating system will
be assumed unless site soil tests indicate that another soil type dominates the site.
Appendix 7- Determining Sediment Damage Potential - August 1, 2024 Page 2 of 5
Page 396 of 769
Municipal Stormwater Permit
Use the point score from Step 3 to determine whether the development site has a high
potential for sediment transport off of the site.
Total Score Transport Rating
<100 Low
>_100 High
A high transport rating indicates a higher risk that the site will generate sediment contaminated
runoff.
Appendix 7- Determining Sediment Damage Potential - August 1, 2024 Page 3 of 5
Page 397 of 769
Municipal Stormwater Permit
Construction Site Sediment Transport Potential Worksheet
A. Existing slope of site (average, weighted by aerial extent): Points
2% or less........................................................................................0
>2-5%...............................................................................................5
>5-10%...........................................................................................15
>10-15%.........................................................................................30
>15%..............................................................................................50
B. Site Area to be cleared and/or graded:
<5,000 sq. ft......................................................................................0
5,000 sq. ft. —1 acre.......................................................................30
>1 acres.........................................................................................50
C. Quantity of cut and/or fill on site:
<500 cubic yards..............................................................................0
500 — 5,000 cubic yards...................................................................5
>5,000—10,000 cubic yards..........................................................10
>10,000 — 20,000 cubic yards........................................................25
>20,000 cubic yards......................................................................40
D. Runoff potential of predominant soils (Soil Conservation Service):
Hydrologic soil group A...................................................................0
Hydrologic soil group B.................................................................10
Hydrologic soil group C.................................................................20
Hydrologic soil group D.................................................................40
E. Erosion Potential of predominant soils (Unified Classification System):
GW, GP, SW, SP soils.......................................................................0
Dual classifications (GW-GM, GP -GM, GW-GC,
GP -GC, SW-SM, SW -SC, SP-SM, SP-SC)..........................................10
Appendix 7- Determining Sediment Damage Potential - August 1, 2024 Page 4 of 5
Page 398 of 769
Municipal Stormwater Permit
GM, GC, SM, SC soils.....................................................................20
ML, CL, MH, CH soils......................................................................40
F. Surface or Groundwater entering site identified and interceptedl:
Yes...................................................................................................0
No.................................................................................................25
G. Depth of cut or height of fill >10 feet:
Yes................................................................................................. 25
No................................................................................................... 0
H. Clearing and grading will occur in the wet season (October 1— May 1):
Yes.................................................................................................50
No...................................................................................................0
TOTAL POINTS
1 If no surface or ground water enters the site, assign 0 points.
Appendix 7- Determining Sediment Damage Potential - August 1, 2024 Page 5 of 5
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Municipal Stormwater Permit
APPENDIX 8 - Businesses and Activities that are Potential
Sources of Pollutants
Use this appendix to help identify businesses and/or activities with potential outdoor pollutant -
generating sources that discharge to the MS4 and should be included in the Permittee's source
control inventory, developed pursuant to S5.C.8.b.ii. The Standard Industrial Code (SIC), Major
Group, and NAICS numbers are provided for reference. Permittees may include additional
outdoor pollutant -generating sources that are located within their jurisdictions.
Group Description
SIC Major
Group
SIC Industry
Group No.
NAICS Major Group
Support Activities for Animal Production
074, 075
1152xx,
Construction of Buildings
15
236
Heavy and Civil Engineering Construction
16
237
Specialty Trade Contractors
17
238
Beverage, Food, and Tobacco Manufacturing
20
311,312
Wood Product Manufacturing
24
321
Paper Manufacturing
26
3221xx, 3222xx
Printing and Related Support Activities
27
323
Chemical Manufacturing
28
325
Petroleum and Coal Products Manufacturing
29
3241xx
Plastics and Rubber Product Manufacturing
30
326
Leather and Allied Product Manufacturing
31
316
Nonmetallic Mineral Product Manufacturing
32
327
Primary Metal Manufacturing
33
331
Fabricated Metal Product Manufacturing
34
332
Machinery, Computer, and Electronic Product
manufacturing
35
333,334
Electrical Equipment, Appliance, and Component
Manufacturing
36
335
Transportation Equipment Manufacturing
37
336
Rail Transportation
40
482
Appendix8- Urban Land Uses and Pollutant Generating Sources Pagel of 2
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Group Description
SIC Major
Group
SIC Industry
Group No.
NAICS Major Group
Transit and Ground Passenger Transportation
41
485
Truck Transportation and Warehousing
42
484,493
Support Activities for Transportation
473, 474, 478
4881 xx, 4882xx,
4884xx,4889xx,
Utilities
49
2211 xx
501, 503, 505,
423140, 423930,
Wholesale Trade - Durable Goods
506, 507, 509
423110, 4233xx,
4237xx, 4238xx,
514, 515, 516,
424930, 4244xx,
Wholesale Trade - Nondurable Goods
517, 518, 519
4246xx, 4247xx,
4248xx,
Building Materials, Hardware, Garden Supplies
521, 523, 526
444
Dealers
Food and Beverage Stores
54
445
Automotive Dealers and Gasoline Service Stations
55
441,447
Food Services and Drinking Places
58
722
Rental and Leasing Services
735
5321xx, 5324xx
811192, 8111 xx,
Repair and Maintenance
75
8112xx, 8113xx,
8114xx,
Ambulatory Health Care Services and Hospitals
806,807
621910,
Educational Services
82
6111xx, 6112xx,
6113xx,6115xx
Museums, Historical Sites, and Similar Institutions
842
712
Appendix 8 - Urban Land Uses and Pollutant Generating Sources
August 1, 2024
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APPENDIX 9 - Stormwater Discharge Monitoring
This Appendix applies to Phase I and II Permittees with requirements pursuant to Special
Condition S&C — Stormwater Discharge Monitoring.
Stormwater discharge monitoring is intended to characterize stormwater runoff quantity and
quality at a limited number of locations in a manner that allows analysis of loadings and
changes in conditions over time and generalization across the Permittee's jurisdiction.
QAPP PREPARATION
Permittees shall prepare a Quality Assurance Project Plan (QAPP). The QAPP shall be
developed by qualified staff or contractors with experience in applying Ecology or U.S.
Environmental Protection Agency (EPA) QAPP Guidelines. General Ecology guidelines can be
found at https://ecology.wa.gov/ and in the Quality Assurance Project Plan Guidance, Special
Condition S&D, Phase I Municipal Stormwater Permit, December 2010 (Ecology Publication no.
10-10-075, https://apps.ecology.wa.gov/publications/documents/1010075.pdf).
A Stormwater discharge monitoring QAPP shall be submitted to Ecology in accordance with the
deadlines in S&C. The QAPP shall describe field collection methods and sample preparation
methods appropriate to each group of analytes, reporting limits, and field conditions.
Permittees are responsible for maintaining an up-to-date approved QAPP for stormwater
discharge monitoring. Significant changes shall be reviewed by Ecology and reflected in a
revised QAPP. Significant changes include, but are not limited to:
• Land disturbing activities over 10 acres in size within the sampled drainage area;
• Relocating a monitoring station;
• Introducing new sampling equipment;
• Unanticipated back water conditions, base flow, or tidal influences; and
• Changes in laboratories, analytical methods, or reporting limits.
Permittees continuing their stormwater monitoring discharge programs from prior permits are
required to update their QAPP to reflect the changes of this Appendix and extend the
timeframe. Locations, methodology, and laboratory techniques previously approved by Ecology
should be discussed in the QAPP.
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DISCHARGE MONITORING LOCATION SELECTION
Stormwater monitoring discharge monitoring locations shall have mapped tributary
conveyance systems and drainage areas and be suitable for permanent installation and
operation of flow -weighted composite sampling equipment. Additional monitoring location
selection guidance and information about how to estimate a rainfall to runoff relationship is
available in Standard Operating Procedure for Automatic Sampling for Storm water Monitoring,
WQP002, https://apps.ecologV.wa.gov/publications/SummaryPages/1810024.html.
Permittees may identify a discharge monitoring location upstream in the conveyance system
(i.e., up- gradient of the outfall) in order to achieve the desired land use, to accommodate the
installation of sampling equipment, and/or to avoid or minimize back water or tidal
interference.
The QAPP shall describe each stormwater discharge monitoring location and associated
drainage basin in detail. The QAPP must describe how each discharge monitoring location was
selected, the size of the drainage basin, and the percentage of area in the drainage basin
representing the following land uses: high density residential, low density residential,
commercial, industrial, agriculture, and transportation right-of-way. Table A9-1, below,
provides characteristics to consider for some of these land uses. However, density definitions
can vary from jurisdiction to jurisdiction and may be defined locally in codes and
comprehensive plans. Report the residential density definitions used if they differ from these.
Table A9-1 Land Use Selection Characteristics
Land use category
High density residential
Medium to high density residential
Low density residential
Commercial
Industrial
FLOW MONITORING
Characteristics
4 dwelling units per acre or greater
2 to 4 dwelling units per acre
1 to 2 dwelling units per acre
Includes multi -family residential
Not predominated by one facility with a few
operators
Discharge monitoring locations must be evaluated for a rainfall to runoff relationship in order
to ensure that the discharge monitoring location will receive enough runoff for sufficient
sample volume. This rainfall to runoff relationship will also assist in programming the
automatic sampling equipment. In order to establish the rainfall to runoff relationship, one
year of continuous flow recording (including base flow and all storm events) is necessary.
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Municipal Stormwater Permit
MONITORING FREQUENCY
Permittees shall sample each stormwater discharge monitoring location according to the
frequency described below. Documented good faith efforts with good professional practice by
the Permittee which do not result in collecting a successful sample for the full number of
required storms may be considered as contributing toward compliance with this requirement.
For each location, the Permittee shall sample and analyze a minimum of eleven (11) qualifying
storm events per water year. Qualifying storm event sampling must be distributed throughout
the year, approximately reflecting the distribution of rainfall between the wet and dry seasons
(with a goal of 60- 80% of the samples collected during the wet season and a goal of 20-40% of
the samples collected in the dry season).
Ecology may approve a reduced sampling frequency if the Permittee provides a statistical
analysis demonstrating that monitoring and reporting goals can be met with fewer samples.
QUALIFYING STORM EVENT CRITERIA
The wet season is from October 1 through April 30. A qualifying wet season storm event is
defined as follows when all of these conditions apply:
• Rainfall volume: 0.20" minimum, no fixed maximum;
• Rainfall duration: No fixed minimum or maximum;
• Antecedent dry period: Less than or equal to 0.05" rain in the previous 6 hours, unless
more time is needed to return to baseflow at the sampling point; and
• Inter -event dry period: 6 hours.
The dry season is from May 1 through September 30. A qualifying dry season storm event is
defined as follows when all of these conditions apply:
• Rainfall volume: 0.20" minimum, no fixed maximum;
• Rainfall duration: No fixed minimum or maximum;
• Antecedent dry period: less than or equal to 0.02" rain in the previous 24 hours; and
• Inter -event dry period: 6 hours.
TYPES OF SAMPLING
Storm events shall be sampled using flow -weighted composite sampling techniques. Automatic
samplers shall be programmed to begin sampling as early in the runoff event as practical and
to continue sampling past the longest estimated time of concentration for the tributary area.
Refer to Standard Operating Procedure for Automatic Sampling for Stormwater Monitoring,
WQP002, https://apps.ecology.wa.gov/publications/SummarVPages/1810024.html.
For storm events lasting less than 24 hours, samples shall be collected for at least 75% of the
storm event hydrograph. For storm events lasting longer than 24 hours, samples shall be
collected for at least 75% of the hydrograph of the first 24 hours of the storm.
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Municipal Stormwater Permit
Each composite sample shall be targeted to contain at least 10 aliquots. Composite samples
with 7 to 9 aliquots are acceptable if they meet the other sampling criteria and help achieve a
representative balance of wet season/dry season events and storm sizes.
Continuous flow recording of all storm events (not just sampled storm events) is necessary for
at least one complete water year to establish a baseline rainfall/runoff relationship. Ongoing
continuous flow monitoring is required for each of the sampled storm events as necessary to
properly conduct the flow- weighted composite sampling. Precipitation data shall be collected
from the nearest rain gauge reporting at least hourly rainfall amounts.
Grab samples are necessary for some parameters (Table A9-2) and shall be collected early in the
storm event. Refer to Standard Operating Procedure for Grab Sampling for Stormwater Monitoring,
WQP001, https://apps.ecology.wa.gov/publications/SummaryPages/1810023.html.
Stormwater solids samples shall be collected twice per water year at each stormwater
discharge monitoring location, or in the vicinity of each stormwater monitoring location.
Ecology may approve reducing this requirement to a once per year frequency if the Permittee
provides evidence demonstrating that insufficient material is present in the conveyance. In -line
conveyance system locations are the target for stormwater solids sampling (e.g., catch basin
sumps), not receiving waters nor BMPs where soils could be inadvertently sampled. Use of in -
line traps or similar collection system is needed for stormwater solids sampling; refer to
Standard Operating Procedure for Collection of Stormwater Solids using In -Line Traps,
WQP003, https://apps.ecology•wa.gov/publications/`SummarVPages/1810025.htm1. The QAPP
will need to specify the sampling approach for the selected sampling sites.
PARAMETERS
Flow -weighted composite samples shall be analyzed for the following parameters utilizing an
Ecology- or EPA -accredited laboratory and the methods and reporting limits as provided in
table A9-2 or otherwise approved by Ecology.
• Conventional parameters;
• Methylene blue activating substances (MBAS);
• Nutrients;
• Metals; and
• Organics:
o Polycyclic aromatic hydrocarbons (PAHs)
o Pesticides
o Phthalates
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Municipal Stormwater Permit
If the volume of the stormwater sample collected from a qualifying storm is insufficient to
allow analysis for all of the parameters listed above, the sample shall be analyzed for as many
parameters as possible in the following priority order: (1) metals and hardness; (2)
conductivity; (3) TSS; (4) nutrients; (5) organics: PAHs, phthalates, insecticide, and herbicides;
(6) BODSi and (7) remaining conventional parameters. If insufficient sample exists to run the
next highest priority pollutant, that analysis may be bypassed, and analyses run on lower
priority pollutants in accordance with the remaining priority order to the extent possible.
Parameters that are below reporting limits after two years of data may be dropped from the
analysis.
Grab samples shall be analyzed for the following parameters utilizing an Ecology- or EPA -
accredited laboratory and the methods and reporting limits listed in Table A9-2 at the end of
this Appendix.
• Fecal coliform bacteria; and
• Total petroleum hydrocarbons —diesel fraction
Stormwater solids samples shall be analyzed for the following parameters utilizing an Ecology -
or EPA- accredited laboratory and the methods and reporting limits listed in table A9-3 or
otherwise approved by Ecology.
• Conventional parameters;
• Metals;
• Organics:
o Pesticides
o PAHs
o Phthalates
o Phenolics
o Polychlorinated biphenyls (PCBs)
o Polybrominated Biphenyl ethers (PBDEs)
o Total petroleum hydrocarbon —diesel fraction (TPH-Dx)
If the stormwater solids sample volume is insufficient to analyze for all of the parameters listed
below, the sample shall be analyzed for as many parameters as possible in the following
priority order: (1) conventional parameters; (2) metals; (3) TPH-Dx; (4) Phenolics; (5) PAHs and
phthalates; (6) pesticides; (7) PBDEs; and (8) PCBs. If insufficient sample exists to run the next
highest priority pollutant, that analysis may be bypassed, and analyses run on lower priority
pollutants in accordance with the remaining priority order to the extent possible. Additional
samples shall be collected if insufficient sample exists from a single sample to run all of the
organic pollutants listed above. A visual, qualitative determination of grain size shall be
reported for all stormwater solids samples (in addition to the quantitative analysis for all
samples with sufficient volume). Parameters that are below reporting limits after two years of
data may be dropped from the analysis.
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Municipal Stormwater Permit
RECORDKEEPING AND REPORTING
An "Annual Stormwater Discharge Monitoring Report" shall be submitted with each Annual
Report beginning in 2025. Each report shall summarize all monitoring data collected during the
preceding water year (October 1— September 30). The first annual monitoring report
submitted will include data from a partial water year. Each report shall integrate data from
earlier years into the analysis of results, as appropriate. Permittees continuing their
stormwater monitoring discharge programs at the same locations will continue summarizing
data from prior permit periods.
ANNUAL MONITORING REPORTS
Annual Stormwater Discharge Monitoring Reports shall provide all monitoring data collected
during the preceding water year (October 1— September 30). Concentration data shall be
provided in the same units that are specified for Reporting Limits in Tables A9-2 and A9-3. Flow
data shall be provided in gallons per minute. Loading data for each water year shall be
provided in total pounds and in pounds per acre. Annual Stormwater Discharge Monitoring
Reports shall consist of a narrative report, an Excel spreadsheet with concentration data
(summary statistics: minimum, maximum, mean, median and standard deviation), pollutant
loading calculations, and a submittal to Ecology's Environmental Information Management
(EIM) database for applicable data. For the Annual Stormwater Discharge Monitoring Report to
be considered on time, the EIM data submission process must be initiated before April 1 of
each relevant year and completed by June 15 of each relevant year.
The report shall include:
• A brief summary of each monitored drainage basin (full details of the monitoring drainage
basin shall be in the CAPP), including any changes within the contributing drainage area or
changes to the monitoring station that could affect hydrology and/or pollutant loading.
• A description of each flow -weighted composite and grab sampled storm event, including:
o General summary about storm event criteria, including:
■ Precipitation data (in inches) including antecedent dry period and rainfall
distribution throughout the event;
■ Flow and hydrograph data including sampled and total runoff time periods and
volumes;
■ Total number of qualifying storm events captured and analyzed at each
monitoring location;
■ Distribution of storms collected between wet and dry seasons (permit goals
include 60-80% of storms during the wet season and 20-40% of storms during the
dry season); and
■ Logistical problems associated with any storm event criterion.
o A hyetograph and a hydrograph for each sampled storm event. Include properly
labeled graphs that display the following:
■ Date of the storm event;
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Municipal Storm water Permit
■ Time of day versus precipitation information;
■ Time versus flow rate (in gallons per minute);
• Time versus aliquot collection; and
■ Display the total duration of the storm event, not just the duration when samples
were collected (remember your pollutant load calculation must include flow for
the entire storm event, not just the water quality sampled portion).
o A summary of (or in the graph) the total runoff volume in gallons.
o A rainfall/runoff relationship table used to estimate the un-sampled storm events
(when water quality samples were not collected). This is used for future estimations of
annual and seasonal loads.
o Whether or not any chemicals were removed from the list of analysis due to two years
of non -detect data.
o A brief summary with storm event dates where insufficient volumes were collected.
Include the parameters analyzed.
• A description of the stormwater solids sampling event, including:
o Timeframe for the sampling event.
o A summary of stormwater solids sampling (including dates) where insufficient volumes
were collected. Include the parameters analyzed.
o Whether or not any chemicals were removed from the list of analysis due to two years
of non -detect data.
• Event Mean Concentrations (EMCs).
• The wet and dry season pollutant loads and annual pollutant load based on water year for
each discharge monitoring location expressed in total pounds, and pounds per acre. The
loadings must take into account potential pollutant load from base flow. Loadings shall be
calculated following Standard Operating Procedure for Calculating Pollutant Loads for
Stormwater Discharges, WQP004
https://apps.ecology.wa.gov/publications/SummaryPages/1810026.html. Pollutant loading
calculations and reporting are required only for the nutrients, metals, and organics
parameters in stormwater. Include the following:
o For storm events where water quality samples were collected, the load in pounds per
day for each parameter for each sampled storm event, include date of storm events.
o An estimated seasonal pollutant load for each parameter at each discharge monitoring
location. This is calculated using all storm events (when water quality samples were
collected and when samples were not collected).
o A total annual pollutant load (wet season load + dry season load) for each parameter
(include estimated events).
o The rainfall/runoff relationship including your pollutant load estimates for un-sampled
events.
o Note that if any data is unavailable to effectively estimate your rainfall to runoff
relationship due to an incomplete water year, submit this information in the next
year's stormwater monitoring report.
August 1, 2024
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Municipal Stormwoter Permit
Quality Assurance/Quality Control information for each successfully sampled qualifying
storm event at each discharge monitoring location and solids sample collection event at
each discharge monitoring location, including:
o A narrative summary of your field and laboratory verification, validation results and
quality control checks performed.
o A narrative analysis of your field and laboratory quality control sample results and how
they compare with your data quality objectives/indicators in your QAPP.
o Corrective actions reported/taken.
An explanation and discussion of results from each successfully sampled qualifying storm
event at each discharge monitoring location and solids sample collection event collected at
each discharge monitoring location, including:
o A statistical analysis of the event means concentrations for each parameter and a
narrative description of significant findings from this analysis.
o Any conclusions based on data from this study including analyses of previously
collected data from these discharge monitoring locations.
• A description of activities currently taking place or planned within the monitoring station's
drainage area that may have affected or may potentially affect future monitoring results.
If the Permittee monitors any pollutant more frequently at the stormwater discharge
monitoring locations, the results of this monitoring shall be included in the annual monitoring
report reflecting the water year in which the monitoring occurred.
After three (3) water years of data, the Annual Monitoring Report shall include:
• Trend analyses;
• An evaluation of the data as it applies to the Stormwater Management Program (SWMP);
and
• Any stormwater management activities the Permittee has identified that can be
implemented or adjusted to respond to this data.
LABORATORY METHODS
The Permittee's stormwater discharge monitoring program shall use the following analytical
methods or other methods approved by the U.S. Environmental Protection Agency or Ecology
with similar reporting limits unless alternative methods are approved by Ecology. Any
alternative method proposed by a Permittee must have a similar reporting limit, or must be
justified as adequate for the likely, expected range of concentrations. Permittees are not
guaranteed approval of alternative methods or reporting limits.
In cases where smaller volumes of water are expected to be collected, or to save analytical
costs, Permittees may propose that some of the analyses be optimized for specific parameters
or groups. The Permittee must, in consultation with a qualified chemist, define the exact
volumes and optimization steps and include them in the QAPP.
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Municipal Stormwater Permit
The QAPP shall identify Ecology- or EPA -approved methods with appropriate reporting limits.
An individual sample that could not be run at a reporting limit because of matrix interference
or other such reasons would not be called into question for compliance purposes. All results
shall be reported. This includes positive detections between the method detection limit (MDL)
and the reporting limit (RL), with the appropriate lab qualifier, and the non -detected
concentrations at the value of the MDL or lower limit of quantitation (LLOQ) with the
appropriate lab qualifier of "U" for undetected at that concentration. Non -detections must be
reported and analyzed in the dataset. Results must be evaluated and censored for blank
contamination (e.g., organic parameters should consider a censor threshold of less than 5x the
laboratory blank contamination). All data gathering and data handling approaches should be
explained in the QAPP.
Table A9-2 Analytical Procedures in Stormwater
Method
Reporting
Analyte
Method in Water
Detection
Limit or Lower
Limit
Limit of
Targeta
Quantitation
(LLOQ)b
Conventional Parameters
Total suspended solidsc
SM2540B or SM2540D
1.0 mg/L
Turbidity
EPA Method 180.1 or SM2130B
+ 0.2 NTU
Conductivity
EPA Method 120.1 or SM2510B
+ 1 µmhos/cm
Chloride
EPA Method 300.0, EPA Method
0.2 mg/L
325.2, or SM4110B or SM4500
CI-B, SM4500 CI-C, SM4500 CI-D,
SM4500 Cl- EPAHS
BODS
SM5210B
2.0 mg/L
pH
EPA Method 150.2 or SM4500H+
0.2 units
B
Hardness as CaCO3
EPA Method 200.7,
1.0 mg/L
SM2340B(ICP),
SM2340C (titration), or SM3120B
Methylene blue
CHEMetrics Colorimetric or
0.025 mg/L
activated substances
SM5540C
(MBAS)
Bacteria
Fecal Coliform
SM9221E
Specified in
method -
August 1, 2024
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Municipal Stormwater Permit
Method
Reporting
Analyte
Method in Water
Detection
Limit or Lower
Limit
Limit of
Targeta
Quantitation
(LLOQ)b
sample aliquot
dependent
E.coli (freshwater)
SM9221 B, SM9221 F, SM9223 B
Specified in
method -
sample aliquot
dependent
Enterococci (marine)
EPA Method 1600, SM9230 B,
Specified in
SM9230 C, SM9230D
method -
sample aliquot
dependent
Nutrients
Orthophosphate as P
EPA Method 365.3, EPA Method
0.003 mg/L
0.01 mg/L
365.1, SM4500-P E, SM4500-P F,
or SM4500- P G
Total phosphorus as P
EPA Method 365.3, EPA Method
0.003 mg/L
0.01 mg/L
365.4, or SM4500-P-B followed
by SM4500-P E or P F
Total Kjeldahl nitrogen
EPA Method 351.2, EPA Method
0.3 mg/L
as N
351.1, SM4500 Norg-B, SM4500
or
Norg-C, SM4500 NH3-D, SM4500
Total Nitrogen
NH3-G, SM4500 NH3-E, SM4500
NH3-F, SM4500 NH3-G, SM4500
NH3-H, SM4500 N-B, SM4500 N-
C, SM4500 N-E
Ammonia as N
SM4500 NH3-D, SM4500 NH3-G,
0.02 mg/L
SM4500 NH3-E, SM4500 NH3-F,
SM4500 NH3-G, or SM4500 NH3-
H
Nitrate -Nitrite as N
EPA Method 353.2, SM4500 -
0.1 mg/L
NO3- E, SM4500 -NO3- F, or
SM4500 -NO3- H
Metals
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Municipal Storm water Permit
Method
Reporting
Analyte
Method in Water
Detection
Limit or Lower
Limit
Limit of
Targeta
Quantitation
(LLOQ)b
Total zinc
EPA Method 200.8 or SM 3125B
5.0 µg/L
Dissolved zinc
EPA Method 200.8 or SM 3125B
1.0 µg/L
Total lead, copper and
EPA Method 200.8 or SM 3125B
0.1 µg/L, 0.5
cadmium
µg/L,
and 0.2 µg/L
Dissolved lead, copper,
EPA Method 200.8 or SM 3125B
0.05, 0.02, and
0.1 µg/L
and cadmium
0.03 µg/L
Organics
PAHsd
EPA Method 8270D SIM or EPA
0.1 µg/L
8270E SIM
Pesticides: Bifenthrin
EPA Method 8270D SIM, EPA
0.02 µg/L
0.05 µg/L
(pyrethroid insecticide)
8270E
and dichlobenil
SIM, or EPA Method 625.1
(herbicide)
Phthalatese
EPA Method 8270D SIM or EPA
0.5 µg/L
1 µg/L
8270E SIM
Petroleum Hydrocarbons
NWTPH-Dx (diesel,
Ecology, 1997
0.1 mg/L
0.25-0.5 mg/L
heavy oil, and summed
total)
NA — Not applicable
SM —Standard Methods
SIM —Selective Ion Monitoring mode
a. If a value is not present in this column, then the target MDL is not published or not different from reporting limit target.
b. The QAPP shall identify Ecology- or EPA -approved methods with appropriate reporting limits. An individual sample that
could not be run at a reporting limit because of matrix interference or other such reasons would not be called into
question for compliance purposes.
c. Research results indicate that errors may be introduced by decanting a subsample, care and use of tools like a funnel
splitter may help.
d. Polycyclic aromatic hydrocarbons (PAH), total and these individual compounds: acenaphthene, acenaphthylene,
anthracene, benzo(a)anthracene, benzo(a)pyrene, benzo(b)fluoranthene, benzo(ghi)perylene, benzo(k)fluoranthene,
chrysene, dibenzo(a,h)anthracene, fluoranthene, fluorene, indeno(1,2,3-cd)pyrene, naphthalene, phenanthrene, pyrene,
and retene. Report the individual compound concentrations, and their summed total.
e. Phthalates, total and these individual compounds: bis(2-ethylhexyl)phthalate, butyl benzyl phthalate, di-n-octyl
phthalate, dibutyl phthalate, and diethyl phthalate. Report the individual compound concentrations, and their summed
total.
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Table A9-3 Analytical Procedures in Stormwater Solids
Analyte
Method for Solid/Sediment
Reporting Limit or
LLOQa
Conventional Parameters
Percent solids
SM 2540G
0.1%
Total organic carbon
Puget Sound Estuary Protocols (PSEP
0.1%
1997), SM531013, SM5310C, SM5310D, or
EPA Method 9060
Grain size
Sieve and Pipette (ASTM 1997), ASTM F312-
Not Applicable
97, ASTMD422, or PSEP 1986/2003
Total phosphorus
EPA Method 365.3, EPA Method 365.4,
0.01 mg/kg
SM4500 P E, or SM4500 P F
Total volatile solids
EPA Method 160.4 or SM2540G
0.1%
Analyte
Method for Solid/Sediment
Reporting Limit or
LLOQa
Metals, dry weight
Total zinc
EPA Method 200.8, EPA Method 60101),
5.0 mg/kg
EPA Method 602013, or SM3125B
Total lead
EPA Method 200.8, EPA Method 60101),
0.1 mg/kg
EPA Method 60206, or SM 3125B
Total copper
EPA Method 200.8, EPA Method 6010D,
0.1 mg/kg
EPA Method 6020B, or SM 3125B
Total cadmium
EPA Method 200.8, EPA Method 60101),
0.1 mg/kg
EPA Method 60206, or SM 3125B
Organics, dry weight
Pesticides: Bifenthrin
EPA Method 8270D, EPA 8270E, or EPA
1.0 µg/kg
and dichlobenil
Method 1660
PAHsb
EPA Method 8270D or EPA 8270E SIM
70 µg/kg
Phthalatesc
EPA Method 8270D or EPA 8270E SIM
70 µg/kg
Except di-
n-
octlyphthalate
(250 µg/kg)
Phenolicsd
EPA Method 8270D or EPA 8270E SIM
660 µg/kg
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Municipal Stormwater Permit
PCBse
EPA Method 608.3 or EPA Method 8082A
0.195 µg/kg or 5-20
ng/kg
PBDEsf
EPA Method 1614
5-10 ng/kg
Except PBDE 209:
(200
ng/kg)
Petroleum Hydrocarbons
TPH-Dx (diesel, heavy
Ecology, 1997 or EPA Method 8015B
25-100 mg/kg
oil, and summed total)
NA — Not applicable
SM —Standard Methods
SIM —Selective Ion Monitoring mode
a. The QAPP shall identify Ecology- or EPA -approved methods with appropriate reporting limits. An individual sample that
could not be run at a reporting limit because of matrix interference or other such reasons would not be called into
question for compliance purposes.
b. Polycyclic aromatic hydrocarbon (PAH) compounds, total and these individual compounds: acenaphthene,
acenaphthylene, anthracene, benzo(a)anthracene, benzo(a)pyrene, benzo(b)fluoranthene, benzo(ghi)perylene,
benzo(k)fluoranthene, chrysene, dibenzo(a,h)anthracene, fluoranthene, fluorene, indeno(1,2,3-cd)pyrene, naphthalene,
phenanthrene, pyrene, and retene. Report the individual compound concentrations, and their summed total.
c. Phthalates: bis(2-ethylhexyl)phthalate, butyl benzyl phthalate, di-n-octyl phthalate, dibutyl phthalate, and diethyl
phthalate. Report the individual compound concentrations, and their summed total.
d. Phenolics: pentachlorophenol, p-cresol, and o-cresol. Reportthe individual compound concentrations.
e. PCBs. EPA Methods 608.3 or EPA Method 8082A for Aroclors: 1016, 1221, 1232, 1242, 1248, 1254, 1260, 1262, 1268 are
suitable starting points for stormwater solids characterization. If a more sensitive congener analysis is conducted (EPA
Method 8082A or EPA Method 1668C) then those individual compound concentrations should also be reported in the
annual report.
f. Polybrominated diphenyl ethers (PBDEs): congener numbers 47, 49, 66, 71, 99, 100, 138, 153, 154, 183, 184, 191, and 209.
Report the individual compound concentrations, and their summed total.
REFERENCES
ASTM, 1997. Standard test methods for determining sediment concentration in water samples.
Method D 3977. American Society for Testing and Materials, Philadelphia, PA.
PSEP. 1986. Recommended Protocols for measuring conventional sediment variables in Puget
Sound. Prepared by Tetra Tech, Inc. for U.S. Environmental Protection Agency and Puget Sound
Water Quality Authority. Tetra Tech Inc., Bellevue, WA.
Ecology, 1997. Analytical Methods for Petroleum Hydrocarbons. Washington State
Department of Ecology, Toxics Cleanup Program. Olympia, WA. Publication No. 97-602.
August 1, 2024
Appendix 9 Stormwater Discharge Monitoring Page 13 of 13
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Western Washington Phase 11
Municipal Stormwater Permit
APPENDIX 10 - Equivalent Programs for Runoff Controls for
New and Redevelopment and Construction Sites
Ecology determined that the following list shall be used to amend any enforceable documents,
including codes, ordinances, director's rules, public rules and/or manuals, to be functionally
equivalent to Appendix I in the Western Washington Phase 11 Municipal Storm water Permit
(effective August 1, 2024) and the required portions of Ecology's 2024 Stormwater
Management Manual for Western Washington.
i. Redevelopment Project Level Thresholds: The "Project Level" thresholds for applying
the Minimum Requirements to redevelopment projects have been updated.
• Proiect Level - Redevelopment Thresholds / Road Related Projects
The updated threshold for road related projects states that all Minimum
Requirements apply to the new and replaced hard surfaces and converted
vegetation areas if the project adds 5,000 square feet of new plus replaced hard
surfaces AND the new plus replaced hard surfaces total 50% or more of the
existing hard surfaces on the Site (underline shows the new language).
• Proiect Level - Redevelopment Thresholds / Commercial or Industrial Projects
The updates include a new threshold for commercial or industrial Sites. The new
threshold states that all Minimum Requirements apply to the new and replaced
hard surfaces and converted vegetation areas if the Project adds more than
5,000 square feet of new plus replaced hard surfaces AND the new plus replaced
hard surfaces total 50% or more of the existing hard surfaces within the Site.
See Section 3 of Appendix 1.
2. Project Exemptions: The text describing the exemptions from Minimum Requirements
has been updated to ensure that the project scope does not exceed the intention of
these limited exemptions.
See Section 1 of Appendix 1.
Wetland Hydroperiod Protection Method 2: The hydroperiod protection requirements
for Criteria 2 in Method 2 have been updated. The updates include an increase from
15% to 20% allowable monthly discharge volume deviations during October, November,
and December, and an "allowable exception" for summer months.
See I-C.4 Wetland Hydroperiod Protection in the 2024 SWMMWW.
4. Definitions Related to Minimum Requirements: Multiple definitions related to the
Minimum Requirements have been updated for statewide consistency and/or to reflect
updated requirements.
Appendix 10 - Equivalent Programs for Runoff Controls, Pagel of 2
New and Redevelopment and Construction Sites - August 1, 2024 Page 417 of 769
Western Washington Phase 11
Municipal Stormwater Permit
An example of a term with an updated definition to reflect an updated requirement is
"vehicular use". The definition for "vehicular use" has been updated to identify Light
Rail tracks (both elevated and non -elevated) as a pollution generating impervious
surface.
See Section 2 of Appendix 1.
5. Runoff Treatment Performance Goal Thresholds: Some thresholds for Runoff
Treatment BMP types (i.e. basic, metals, oil, and/or phosphorus) have been updated for
statewide consistency and/or to reflect updated requirements.
An example of an edit to the Runoff Treatment Performance Goal Thresholds that
reflects an updated requirement is identifying Light Rail guideways as a Site type that
requires metals treatment.
See Section 4.6 of Appendix 1.
Source Control BMPs - PCB Edits: The following Source Control BMPs have been
updated to include guidance for preventing pollution from PCBs in building materials:
• S424 BMPs for Roof / Building Drains at Manufacturing and Commercial
Buildings
• S431 BMPs for Washing and Steam Cleaning Vehicles / Equipment / Building
Structures
• S438 BMPs for Construction Demolition
• S451 BMPs for Building Repair, Remodeling, Painting, and Construction
See Volume IV in the 2024 SWMMWW.
7. Bioretention: The guidance within BMP T7.30: Bioretention has been updated to
include the option to use the High Performance Bioretention Soil Mix (HPBSM). The
design guidance was also updated to clarify the design infiltration rate to use for all
three bioretention soil mix options.
See BMP T7.30: Bioretention in the 2024 SWMMWW.
Appendix 10 -Equivalent Programs for Runoff Controls, Page 2 of 2
New and Redevelopment and Construction Sites - August 1, 2024 Page 418 of 769
Municipal Stormwater Permits
Appendix 11 - Annual contribution amounts for Stormwater
Action Monitoring Collective Funds
Western Washington
Permittee
Permittees are grouped by
Population used for
Annual amount
Annual amount for
County and listed
cost allocation 1
for S8.A
SB.B
alphabetically
Clallam
Port Angeles
20,200
$5,050
$7,474
Clark
Unincorporated
237,650
$78,425
$87,931
Battle Ground
21,780
$7,187
$8,059
Camas
27,250
$8,993
$10,083
Vancouver
197,600
$65,208
$73,112
Washougal
17,390
$5,739
$6,434
Cowlitz
Unincorporated
13,059
$4,309
$4,832
Kelso
12,720
$4,198
$4,706
Longview
37,780
$12,467
$13,979
Grays Harbor
Aberdeen
17,040
N/A
$6,305
Island
Oak Harbor
24,760
$6,190
$9,161
King
Unincorporated
248,160
$62,040
$91,819
Algona
3,300
$825
$1,221
Auburn
88,750
$22,188
$32,838
Bellevue
153,900
$38,475
$56,943
Black Diamond
6,145
$1,536
$2,274
Bothell
48,940
$12,235
$18,108
Burien
52,490
$13,123
$19,421
Clyde Hill
3,110
$778
$1,151
Covington
21,200
$5,300
$7,844
Des Moines
33,160
$8,290
$12,269
Duvall
8,320
$2,080
$3,078
Enumclaw
12,910
$3,228
$4,777
Federal Way
101,800
$25,450
$37,666
Issaquah
40,950
$10,238
$15,152
Kenmore
24,090
$6,023
$8,913
Kent
137,900
$34,475
$51,023
Kirkland
93,570
$23,393
$34,621
Lake Forest Park
13,620
$3,405
$5,039
Appendix 11 -Annual Contribution Amounts - August 1, 2024 Page 1 of 5
Page 419 of 769
Municipal Stormwater Permits
Permittee
Permittees are grouped by
Population used for
Annual amount
Annual amount for
County and listed
cost allocation 1
for SS.A
S8.B
alphabetically
Maple Valley
28,920
$7,230
$10,700
Medina
2,915
$729
$1,079
Mercer Island
25,780
$6,445
$9,539
Newcastle
13,560
$3,390
$5,017
Normandy Park
6,790
$1,698
$2,512
Pacific
7,270
$1,818
$2,690
Port of Seattle
20,196
$5,049
$7,473
Redmond
75,270
$18,818
$27,850
Renton
107,500
$26,875
$39,775
Sammamish
68,150
$17,038
$25,216
SeaTac
31,910
$7,978
$11,807
Seattle
762,500
$190,625
$282,125
Shoreline
60,320
$15,080
$22,318
Snoqualmie
14,490
$3,623
$5,361
Tukwila
22,620
$5,655
$8,369
Woodinville
13,450
$3,363
$4,977
Kitsap
Unincorporated
55,271
$13,818
$20,450
Bainbridge Island
25,060
$6,265
$9,272
Bremerton
45,220
$11,305
$16,731
Port Orchard
16,400
$4,100
$6,068
Poulsbo
12,180
$3,045
$4,507
Lewis
Centralia
18,360
N/A
$6,793
Mason
Shelton
10,430
$2,608
$3,859
Pierce
Unincorporated
440,800
$110,200
$163,096
Bonney Lake
22,990
$5,748
$8,506
Buckley
5,315
$1,329
$1,967
DuPont
10,180
$2,545
$3,767
Edgewood
13,520
$3,380
$5,002
Fife
11,130
$2,783
$4,118
Fircrest
7,215
$1,804
$2,670
Gig Harbor
12,540
$3,135
$4,640
Lakewood
63,800
$15,950
$23,606
Milton
8,695
$2,174
$3,217
Orting
9,055
$2,264
$3,350
Port of Tacoma
20,196
$5,049
$7,473
Puyallup
43,260
$10,815
$16,006
Appendix 11 -Annual Contribution Amounts -August 1, 2024 Page 2 of 5
Page 420 of 769
Municipal Stormwater Permits
Permittee
Permittees are grouped by
Population used for
Annual amount
Annual amount for
County and listed
cost allocation 1
for S8.A
S8.13
alphabetically
Steilacoom
6,790
$1,698
$2,512
Sumner
10,800
$2,700
$3,996
Tacoma
220,800
$55,200
$81,696
University Place
35,420
$8,855
$13,105
Skagit
Unincorporated
11,396
$2,849
$4,217
Burlington
9,800
$2,450
$3,626
Anacortes
17,880
$4,470
$6,616
Mount Vernon*
35,500
$8,875
$13,135
Sed ro-Wool ley
12,590
$3,148
$4, 658
Snohomish
Unincorporated
371,915
$92,979
$137,609
Arlington
21,260
$5,315
$7,866
Brier
6,590
$1,648
$2,438
Edmonds
42,980
$10,745
$15,903
Everett
113,300
$28,325
$41,921
Granite Falls
4,705
$1,176
$1,741
Lake Stevens
40,700
$10,175
$15,059
Lynnwood
38,740
$9,685
$14,334
Marysville
72,380
$18,095
$26,781
Mill Creek
21,510
$5,378
$7,959
Monroe
19,700
$4,925
$7,289
Mountlake Terrace
22,070
$5,518
$8,166
Mukilteo
21,590
$5,398
$7,988
Snohomish
10,200
$2,550
$3,774
Thurston
Unincorporated
55,887
$13,972
$20,678
Lacey
58,180
$14,545
$21,527
Olympia
56,370
$14,093
$20,857
Tumwater
26,360
$6,590
$9,753
Whatcom
Unincorporated
18,942
$4,736
$7,009
Bellingham
93,910
$23,478
$34,747
Ferndale
15,970
$3,993
$5,909
Lynden
16,150
$4,038
$5,976
WSDOT
Lower Columbia
37,780
$12,467
N/A
Puget Sound
137,900
$34,475
N/A
*Mount Vernon name added 7/3/24
.
Appendix 11 -Annual Contribution Amounts - August 1, 2024 Page 3 of 5
Page 421 of 769
Municipal Stormwater Permits
Permittee
Permittees ore grouped by Population used for
County and listed
alphabetically
Totals
cost allocation 1
Annual amount
for S8.A
5,302,795 $1,419,1233
Annual amount for
S8.6
$1,976,984
1 Populations are based on Office of Financial Management data for 2022, accessed in April 2023. The
derivation of the populations used to calculate the cost allocations for Phase II counties, Ports of Seattle
and Tacoma, and WSDOT are explained in the permit fact sheet.
2 The first S8.A and 58.6 payments are not due until the second year of permit (2025) for Shelton in
Mason County. These were new permittees/permit coverage areas in the 2019- 2024 Western
Washington Phase II permit.
3 The total annual S8.A amount for Lower Columbia is $198,993 and the total annual S8.A amount for
Puget Sound is $1,220,130. These pooled funding contributions will be managed in separate accounts.
Appendix 11 -Annual Contribution Amounts - August 1, 2024 Page 4 of 5
Page 422 of 769
Municipal Stormwater Permits
Eastern Washington
Permittee
Population used for cost
Annual amount for
Permittees are grouped by County
allocation'
S8.13
and listed alphabetically
Asotin County
Unincorporated
20,000
$7,400
Asotin
1,220
$451
Clarkston
7215
$2,670
Benton County
Kennewick
85320
$31,568
Richland
62220
$23,021
West Richland
17410
$6,442
Chelan County
Unincorporated
5395
$1,996
Wenatchee
35650
$13,191
Douglas County
16509
$6,108
East Wenatchee
14180
$5,247
Franklin County
Pasco
80180
$29,667
Grant County
Moses Lake
26040
$9,635
Kittitas County
Ellensburg
20940
$7,748
Spokane County
Unincorporated
64879
$24,005
Spokane
230900
$85,433
Spokane Valley
107100
$39,627
Walla Walla County
Unincorporated
2944
$1,089
College Place
9855
$3,646
Walla Walla
34020
$12,587
Whitman County
Pullman
32790
$12,132
Yakima County
Unincorporated
17984
$6,654
Selah
8365
$3,095
Sunnyside
16500
$6,105
Union Gap
6640
$2,457
Yakima
98200
$36,334
Totals
1,022,456
$378,308
1 Populations are based on Office of Financial Management data for 2022, accessed in April 2023. The derivation of the
populations used to calculate the cost allocations for Phase II counties are explained in the permit fact sheet. Since Asotin
County unincorporated UGA population is not available, Ecology used Local information (NOI).
Appendix 11 - Annual Contribution Amounts - August 1, 2024 Page 5 of 5
Page 423 of 769
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Western Washington Phase 11
Municipal Stormwater Permit
APPENDIX 12 -Stormwater Management for Existing
Development Program Reporting
Each Permittee shall implement a Stormwater Management for Existing Development (SMED)
Program to control or reduce stormwater discharges to waters of the state from areas of
existing development.' The Program shall aim to focus on strategic stormwater investments
over longer planning timeframes.
This Appendix describes project criteria, assigned area required to be managed by Permittees,
and reporting SMED requirements associated with Permit Section S5.C.7.
Permittee Assignment of Equivalent Acres
Permittees are required to fully fund, start construction, or completely implement projects
that meet the assigned equivalent acres listed in Table 1. Equivalent acres are calculated as
described below and is intended to be a measure that compares the project area and BMPs
with Appendix 1 standards for LID, flow control, or runoff treatment BMPs where appropriate.
Table 1: Assigned Equivalent Acres according to population for Phase II Permittees.
PERMITTEE POPULATION ASSIGNED EQUIVALENT
ACRES BASED ON
8 ACRES/50,000 POP.
CITY OF MEDINA
2,915
0.5
CITY OF CLYDE HILL
3,110
0.5
CITY OF ALGONA
3,300
0.5
CITY OF GRANITE FALLS
4,705
0.8
CITY OF BUCKLEY
5,315
0.9
CITY OF BLACK DIAMOND
6,145
1
CITY OF BRIER
6,590
1.1
CITY OF STEILACOOM
6,790
1.1
CITY OF NORMANDY PARK
6,790
1.1
CITY OF FIRCREST
7,215
1.2
CITY OF PACIFIC
7,270
1.2
CITY OF DUVALL
8,320
1.3
CITY OF MILTON
8,695
1.4
CITY OF ORTING
9,055
1.4
CITY OF BURLINGTON
9,800
1.6
CITY OF DUPONT
10,180
1.6
' New Permittees are exempt from this permit section.
Z Populations are based on Office of Financial Management
data for 2022, accessed in April 2023.
Appendix 12 — Stormwater Management for Existing Development Program
August 1, 2024 PaNge �25 of 769
Western Washington Phase 11
Municipal Stormwater Permit
PERMITTEE POPULATION' ASSIGNED EQUIVALENT
ACRES BASED ON
8 ACRES/50,000 POP.
CITY OF SNOHOMISH
10,200
1.6
CITY OF SHELTON
10,430
1.7
CITY OF SUMNER
10,800
1.7
CITY OF FIFE
11,130
1.8
COUNTY OF SKAGIT
11,396
1.8
CITY OF POULSBO
12,180
1.9
CITY OF GIG HARBOR
12,540
2
CITY OF SEDRO-WOOLLEY
12,590
2
CITY OF KELSO
12,720
2
CITY OF ENUMCLAW
12,910
2.1
COUNTY OF COWLITZ
13,059
2.1
CITY OF WOODINVILLE
13,450
2.2
CITY OF EDGEWOOD
13,520
2.2
CITY OF NEWCASTLE
13,560
2.2
CITY OF LAKE FOREST PARK
13,620
2.2
CITY OF SNOQUALMIE
14,490
2.3
CITY OF FERNDALE
15,970
2.6
CITY OF LYNDEN
16,150
2.6
CITY OF PORT ORCHARD
16,400
2.6
CITY OF ABERDEEN
17,040
2.7
CITY OF WASHOUGAL
17,390
2.8
CITY OF ANACORTES
17,880
2.9
CITY OF CENTRALIA
18,360
2.9
COUNTY OF WHATCOM
18,942
3
CITY OF MONROE
19,700
3.2
CITY OF PORT ANGELES
20,200
3.2
CITY OF COVINGTON
21,200
3.4
CITY OF ARLINGTON
21,260
3.4
CITY OF MILL CREEK
21,510
3.4
CITY OF MUKILTEO
21,590
3.5
CITY OF BATTLE GROUND
21,780
3.5
CITY OF MOUNTLAKE TERRACE
22,070
3.5
CITY OF TUKWILA
22,620
3.6
CITY OF BONNEY LAKE
22,990
3.7
Appendix 12 - Stormwater Management for Existing Development Program
August 1, 2024 Page 2 of 1
Page 4526 of 769
Western Washington Phase 11
Municipal Storm water Permit
PERMITTEE POPULATION ASSIGNED EQUIVALENT
ACRES BASED ON
8 ACRES/50,000 POP.
CITY OF KENMORE
24,090
-----._-_.-----
3.9
CITY OF OAK HARBOR
24,760
4
CITY OF BAINBRIDGE ISLAND
25,060
4
CITY OF MERCER ISLAND
25,780
4.1
CITY OF TUMWATER
26,360
4.2
CITY OF CAMAS
27,250
4.4
CITY OF MAPLE VALLEY
28,920
4.6
CITY OF SEATAC
31,910
5.1
CITY OF DES MOINES
33,160
5.3
CITY OF UNIVERSITY PLACE
35,420
5.7
CITY OF MOUNT VERNON
35,500
5.7
CITY OF LONGVIEW
37,780
6
CITY OF LYNNWOOD
38,740
6.2
CITY OF LAKE STEVENS
40,700
6.5
CITY OF ISSAQUAH
40,950
6.6
CITY OF EDMONDS
42,980
6.9
CITY OF PUYALLUP
43,260
6.9
CITY OF BREMERTON
45,220
7.2
CITY OF BOTHELL
48,940
7.8
CITY OF BURIEN
52,490
8.4
COUNTY OF KITSAP
55,271
8.8
COUNTY OF THURSTON
55,887
8.9
CITY OF OLYMPIA
56,370
9
CITY OF LACEY
58,180
9.3
CITY OF SHORELINE
60,320
9.7
CITY OF LAKEWOOD
63,800
10.2
CITY OF SAMMAMISH
68,150
10.9
CITY OF MARYSVILLE
72,380
11.6
CITY OF REDMOND
75,270
12
CITY OF AUBURN
88,750
14.2
CITY OF KIRKLAND
93,570
15
CITY OF BELLINGHAM
93,910
15
CITY OF FEDERAL WAY
101,800
16.3
CITY OF RENTON
107,500
17.2
Appendix 12 - Stormwater Management for Existing Development Program
August 1, 2024 P%3 of 27 of 769
PERMITTEE
CITY OF EVERETT
CITY OF KENT
CITY OF BELLEVUE
CITY OF VANCOUVER
SMED Stormwater Investments
Permit section S5.C.7.a states:
Western Washington Phase Il
Municipal Stormwater Permit
POPULATIONZ ASSIGNED EQUIVALENT
ACRES BASED ON
8 ACRES/50,000 POP.
113,300 18.1
137,900
22.1
153,900
24.6
197,600
25
Permittees shall implement stormwater facility retrofits, or tailored SWMP actions that meet
the criteria described in Appendix 1Z using one or a combination of the following:
i. Strategic stormwater investments identified in Stormwater Management Action
Plan(s) (SMAPs, S5.C.1.d.), or similar stormwater planning process; and/or
ii. Opportunistic stormwater investments identified by leveraging projects outside of
SMAP areas to improve stormwater management and infrastructure.
The following describes the eligible project types for SMAP and Opportunistic stormwater
investment to be used to meet the assigned acreage in Table 1, how to calculate credit to
project types, and a standard reporting method.
Stormwater Management Action Plan - background
During the 2019 Permit term, where applicable, Permittees were required to develop a
Stormwater Management Action Plan (SMAP) for a high priority catchment area.
The SMAP is required to identify:
1. A description of the stormwater facility retrofits needed for the area, including the BMP
types and preferred locations.
2. Land management/development strategies and/or actions identified for water quality
management.
3. Focused, enhanced, or customized implementation of stormwater management actions
related to permit sections within S5, including:
a. IDDE field screening,
b. Prioritization of Source Control inspections,
c. 0&M inspections or enhanced maintenance, or
d. Public Education and Outreach behavior change programs.
Identified actions shall support other specifically identified stormwater management strategies
for the basin overall, or for the catchment area in particular.
Appendix 12 —Stormwater Management for Existing Development Program
August 1, 2024 Page 4 of 1
Wage 4528 of 769
Western Washington Phase 11
Municipal Stormwater Permit
• If applicable, identification of changes needed to local long-range plans, to address
SMAP priorities.
A proposed implementation schedule and budget sources for:
• Short-term actions (i.e., actions to be accomplished within six years), and
• Long-term actions (i.e., actions to be accomplished within seven to 20 years).
A process and schedule to provide future assessment and feedback to improve the
planning process and implementation of procedures or projects.
Opportunistic stormwater investments — background
Aimed at encouraging eligible project types to improve stormwater management
infrastructure. These projects do not need to be included in an SMAP to help address the
stormwater runoff issues in the area. This is intended to drive stormwater investment wherever
feasible and needed. This provision is modeled after the Phase I SMED Program (formerly
named Structural Stormwater Control (SSC)), including the list of eligible project types.
Opportunistic projects are stormwater projects planned or leveraged outside of the SMAP
planning area that meet project eligibility as described below.
SMAP Project Types
Stormwater Facility Retrofits
Stormwater facility retrofits means both projects that retrofit existing treatment and/or flow
control facilities and new flow control or treatment facilities or BMPs that will address impacts
from existing development. SMAPs were intended to identify the needed flow control or runoff
treatment BMP types and preferred locations. BMPs or project types included in this section
match the Opportunistic Project types for stormwater facility retrofits:
New Flow Control Facilities
Flow control facilities need not be regional. These facilities do not have to meet the
"standard flow control requirement" (refer to Appendix 1, Section 4.7) but they shall be
new facilities designed to control stormwater flow from existing development. Project
proponents that don't follow design criteria from the SWMMWW, or equivalent
manual, should be prepared to provide additional project details at Ecology's request to
support calculations for equivalent area. Qualifying projects in this category will be
compared against the Flow Control Standard (Minimum Requirement #7).
New Runoff Treatment Facilities
Runoff treatment facilities include facilities that provide oil control, phosphorus
treatment, enhanced (dissolved metals) treatment, and basic treatment. Facilities in this
category do not have to meet runoff treatment requirements (e.g., treat 91% of the
average annual runoff) but they shall be new facilities that provide a treatment benefit
for existing development. Project proponents that don't follow design criteria from the
SWMMWW, or equivalent manual, should be prepared to provide additional project
details at Ecology's request to support calculations for equivalent area. Qualifying
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Western Washington Phase it
Municipal Stormwater Permit
projects in this category will be compared against the Runoff Treatment Standard
(Minimum Requirement #6).
New LID BMPs
These facilities are consistent with the lists of On -Site Stormwater Management BMPs of
Minimum Requirement 5 and reduce the volume of runoff by infiltrating runoff from the
small, more frequent storms. Qualifying new LID BMP projects result in the reduction or
prevention of hydrologic changes through use of on -site (e.g., infiltration, dispersion,
evapotranspiration, rainwater harvesting) stormwater management BMPs. Qualifying
projects in this category will be compared against the LID Performance Standard
(Minimum Requirement #5).
Retrofitting of Existing Treatment and/or Flow Control Facilities
Retrofitting is expected to occur on previously constructed stormwater facilities that, if
modified, would provide additional hydrologic or runoff treatment benefits. For
example, Ecology considers the retrofit of a stormwater pond to provide a settling area
and more storage, a retrofit to a stormwater facility.
Land Management/Development Strategies
SMAPs may include identification of lands to protect or conserve from impervious surface
conversions or native vegetation removal, and the strategic means for providing the needed
protection, which could be addressed via purchase or zoning or land use policy changes, to
name a few options. SMAP may also include other zoning or land use policy changes deemed
necessary to prevent the water body from maintaining its current designated uses.
Focused, Enhanced, or Customized Stormwater Management Actions
SMAP may include implementation of focused, enhanced, or customized implementation of
stormwater management actions related to the following Permit provisions within S5.0 in
addition to the other required SMAP actions:
• Focused or more frequent IDDE field screening;
• Prioritization of Source Control inspections;
• 0&M inspections or enhanced maintenance of facilities you own or operate;
• Maintenance that requires capital construction of more than $25,000; and/or
• Public Education and Outreach behavior change programs to support SMAP actions for
the receiving water overall, or for the catchment area in particular.
Opportunistic Stormwater Investments
Below is a listing of eligible opportunistic project types, outside of SMAPs, that Permittees may
implement to receive credits toward managed acres. Project types listed as 2-8 are non-
structural BMPs that will receive limited credit for this permit term.
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Project Types
(1) Stormwater facility retrofits (as described above):
a. New flow control facility
b. New runoff treatment facility (or treatment and flow control facility)
c. New LID BMPs
d. Retrofit of existing treatment and/or flow control facility
(2) Maintenance with capital construction costs z $25,000
This project type applies to maintenance or repair projects that improve the hydrologic or
treatment performance of Stormwater facilities. This project type is directly related to
Operations and Maintenance Program requirements at S5.C.9.a.ii. which reflects that
maintenance projects, including repairs, which require capital construction >: $25,000 are not
subject to the required 2-year window for completing the maintenance. These projects typically
compete with the other types of retrofit projects for limited capital construction funding.
Ecology intends that these projects be reflected in the SMED program to provide a
comprehensive view of MS4 maintenance activities and requirements. Permittees may develop
criteria for identifying maintenance projects that reach the capital construction cost threshold
on an area -wide or system -wide basis as part of the project prioritization process. A
maintenance project that removes sediment from an existing pond to re-establish the original
design volume, will qualify under this project type.
(3) Property Acquisition for Water Quality and/or Flow Control Benefits
This category excludes the purchase of property for the siting of a stormwater facility. Instead,
purchase of a likely development site to permanently prevent it from being developed would
qualify under this category. This category includes forest protection and conservation
easements. Riparian habitat acquisition qualifies under this project type. Property used for
dispersion does not qualify under this project type; it is considered a New LID BMP.
(4) Restoration of Riparian Buffers
This project type describes planting and restoring of riparian buffers above the ordinary high
watermark that can reduce the discharge of pollutants and reduce impacts to waters of the
state by protecting or restoring hydrologic capacity.
(5) Restoration of Forest Cover
This project type describes planting and restoring of forest cover that can reduce the discharge
of pollutants and reduce impacts to waters of the state by protecting or restoring hydrologic
capacity.
(6) Floodplain Reconnection Projects on Water Bodies That Are Not Flow Control
Exempt Per Appendix 1
Qualifying floodplain reconnection projects will provide flow reduction and runoff treatment
benefits.
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(7) Permanent Removal of Impervious Surfaces
This project type describes permanent removal of impervious surfaces and replacement with
pervious vegetated surfaces meeting BMP T5.13 or trees that promote infiltration, dispersion,
and uptake by plants or reduce the amount of pollution generating impervious surfaces.
(8) Sweeping and line cleaning
Sweeping and line cleaning shall be documented to be in addition to the requirements
established in S5.C.9 Operation and Maintenance.
Non -Qualifying Project Types
1. Projects that do not have a nexus with the current MS4 or do not prevent future MS4
impacts.
2. Projects that occur within the receiving water do not qualify, including but not limited
to:
a. In -channel habitat and stream restoration
b. Fish barrier removal
c. Stabilization of down cutting
d. In -stream culvert replacement
e. Mitigation projects otherwise required to compensate for problems caused by
excessive stormwater runoff peak flows and geomorphologically significant flows
How to Calculate Equivalent Acres
Use this section to determine how to credit project types to meeting the assigned Equivalent
Acres in Table 1. Counties may implement projects outside of Permit coverage areas to meet
their assignment where benefits to receiving waters within the Permit coverage are identified
and anticipated.
Stormwater Facility Retrofits
Use the following procedures to calculate the areas managed by stormwater facility retrofits.
These may be SMAP or Opportunistic projects. A single project may be eligible to gain
equivalent area credit for LID, Runoff Treatment, and Flow Control, based on the water quality
benefits provided by the project.
How to Calculate Area for Small Projects under 1 Acre
Small stormwater facility retrofit projects can receive equivalent acres through a simpler
calculation, by determining the total area (in acres) draining to the project.
This procedure only applies to projects whose total basin area is one (1.0) acre or less. Projects
with basin areas larger than 1 acre must follow the Equivalent Area Calculation process for each
appropriate BMP type.
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LID Performance Standard Equivalent Area Process
1. Determine the total area (in acres) draining to the project. This is called the "full basin"
in these steps.
2. Run the Western Washington Hydrology Model (WWHM, 2012), or other approved
continuous simulation model, to determine if the BMP meets the LID Performance
Standard for the full basin area.
• If the project meets the LID Performance Standard, the Equivalent Area
equals the area draining to the BMP.
If the project uses Full Dispersion functionally equivalent to BMP T 5.30 in
Chapter 5 of Volume V of the Stormwater Management Manual for Western
Washington, the Equivalent Area equals the area draining to the BMP.
3. If the project does not meet the LID Performance Standard for the full basin use the
Western Washington Hydrology Model (WWHM 2012), or other approved continuous
simulation model to calculate the infiltration area of the BMP required to meet the LID
Performance Standard Requirement (refer to Permit Appendix 1, Section 4.5) (e.g.,
match developed discharge durations to applicable pre -developed durations for the
range of pre -developed discharge rates from 8% of the 2-year peak flow up to 50% of
the 2-year peak flow). Identify the area available for infiltration in the new facility. This
is the "required" New/Redevelopment infiltration area for a new BMP project, or the
"required" area added through a project that retrofits an existing BMP.
4. Determine the infiltration area provided by the project under consideration. This is the
"actual" infiltration area.
5. Divide the actual infiltration area (4) by required New/Redevelopment infiltration area
(3) to get the LID Benefit ratio.
Multiply the LID Benefit ratio (5) by the full basin area (1) to get LID Equivalent area. The
equivalent area cannot be greater than the full basin area.
Runoff Treatment Equivalent Area Process
1. Determine the total area (in acres) draining to the project. This is called the "full basin"
in these steps.
2. Use an approved continuous simulation model to determine the required
New/Redevelopment Runoff Treatment flow (cfs) or Volume (ac-ft) for the full basin
using WWHM 2012.
Determine the flow rate or volume provided by the project. This is the "actual" runoff
treatment flow rate or volume of a new BMP project, or the "actual" flow rate or
volume added through a project that retrofits an existing BMP.
4. Divide the actual flow rate or volume (3) by the full basin required flow rate or volume
(2) to get the Runoff Treatment Benefit ratio.
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5. Multiply the Runoff Treatment Benefit ratio (4) by the full basin area (1) to get the MR
#6 Runoff Treatment Equivalent area. The equivalent area cannot be greater than the
full basin area.
Flow Control Equivalent Area Process
Determine the total area (in acres) draining to the project. This is called the "full basin"
in these steps. This area can include basins upstream of the new pond that are
upstream of other retention/detention facilities if there is a series of facilities that work
together to control stormwater flows.
2. Use an approved continuous simulation model, to calculate the amount of
retention/detention storage required to meet the Standard Flow Control Requirement
(refer to Permit Appendix 1, Section 4.7) (e.g., match developed discharge durations to
applicable pre -developed durations for the range of pre -developed discharge rates
from 50% of the 2-year peak flow up to the full 50-year peak flow) for the full basin.
Identify the volume of retention/detention at the overflow installed for the project (ac-
ft). This is the "actual" retention/detention volume of a new BM project, or the
"actual" volume added through a project that retrofits an existing BMP.
4. Divide the actual retention/detention volume (3) by the full basin required
New/Redevelopment retention/detention volume (2) to get the Flow Control Benefit
ratio. If the ratio is greater than 1.0, use 1.0 as your Flow Control Benefit ratio.
5. Multiply the Flow Control Benefit ratio (4) by the full basin area (1) to get the Flow
Control Equivalent area. The equivalent area cannot be greater than the full basin area.
SMAP: Land Management/Development Strategies and Focused, Enhanced,
Custom SWMP (Non-structural BMPs)
Permittees that continue to engage in or complete these project types may receive 25% of their
assigned equivalent acres from Table 1 by implementing one or both project types. For each of
these project types, Permittees shall document actions taken, planned, and
estimated/anticipated stormwater benefits of actions each reporting year.
For land management or development strategies, Permittees must document the process to
develop, adopt or implement (or both) the strategy. Permittees must describe and document
the public process, meetings, and method of implementation.
Focused, Enhanced, Custom SWMP actions shall be actions applied to the SMAP area and
exceeds the requirements described in the respective program Permit section. For example, a
behavior change program applied to the SMAP area must be in addition to another behavior
change campaign being implemented during the same permit term.
Opportunistic project types (non-structural)
Permittees that implement these project types may receive up to 25% of the assigned
equivalent acres. Actions above the 25% may still be reported, but will not receive credit. For
these project types, the total project area is multiplied by the factor shown below.
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Table 2: Non-structural project type multipliers
Project type
Project type factor
Maintenance with capital construction
costs >— $25,000
0.5 times the acres served by the
maintenance activity
Property acquisition
0.5 times acres acquired
Restoration of riparian buffer
0.35 times acres restored
Restoration of forest cover
0.25 times acres restored
Floodplain reconnection projects
0.10 times acres reconnected
Removal of impervious surfaces
1.0 times sq. ft of impervious
surface removed
Sweeping and line cleaning
0.1 times curb miles swept
0.01 times the linear feet of lines
cleaned
Street Sweeping Programs — Permittees may include street sweeping area, only if they are
above and beyond the sweeping requirements in S5.C.9 Operations and Maintenance. They
must be designed, executed, and documented to have the following characteristics:
• Only using a high efficiency sweeper.
Only street sweeping routes from applicable MS4 service areas can be used to
support runoff treatment benefit calculations.
• Qualifying street sweeping program is based on curb miles or acres swept (as
documented through broom use and tracking of parked cars, vegetation, and
other conditions that prevent the sweeper from reaching the edge of the
roadway) and frequency of sweeping that is in addition to the street sweeping
requirements in S5.C.9 Operations and Maintenance Program.
5tormdrain Line Cleaning Programs — Equivalent Area is based solely on linear -feet cleaned
during the specified time. Line cleaning of the same section of stormwater conveyance pipe
within a 5-year permit cycle does not qualify. Portions of lines that were inaccessible during line
cleaning cannot be included in the calculation. If line cleaning is used to comply with S5.C.9
Catch Basin Inspection Alternative (c), it cannot be counted here.
How to Calculate Credit for Regional Collaboration
If a regional collaborative project reaches a cross -jurisdictional agreement or committed
funding stage (but doesn't yet meet 'fully funded'), Phase II permittees may receive up to 25
percent of their assigned acreage credit from these collaborative projects. Once a project is
complete, the Permittee will receive credit for their individual assignment. Document actions
taken, planned, and estimated/anticipated stormwater benefits.
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Western Washington Phase 11
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Instructions for Appendix 12 Reporting
Each year, City and County Permittees must submit an updated list of SMED projects to Ecology
with their Annual Reports. The submittal shall be in .xlsx (Excel) file and include the information
in this Appendix. This section provides additional information and instructions for Permit
section S5.C.7.
Annual Reporting of projects provides the opportunity to track and report progress. Fill in all
values as completely as possible each year. In subsequent years, Permittees should update the
values for each project and add projects to new rows, as needed. You may remove projects that
are cancelled or otherwise will not be used toward achieving the defined level of effort (as
expressed in equivalent acres as shown in Table 1). Projects that were started on or after
January 1, 2023, and are fully funded, started construction, completed, or regional
collaboration by March 31, 2028, may be included.
Enter project status of stormwater facility retrofits on separate lines.
Report the following:
Project List & Project Name
Permittees shall assign each project its own row. Project names may change over time. If a
project name changes, include a note or parenthetical that ties the new name to the old name.
Maintenance actions with a recurring event frequency over multiple years must be named
uniquely for each year (e.g., Sweeping for WQ 2025).
Project Type
Project type shall be reported as described in this Appendix, distinguish between SMAP and
opportunistic project types, stormwater facility retrofit type or non-structural project type.
SMAP land management/development strategies or Focused, Enhanced, or Customized SWMP
actions must be fully described, including completed and anticipated actions.
Transportation -related Project Type
Describe how a project is transportation related and addressing high traffic areas. Describe in
Comments how high traffic is determined locally. Note here whether the project is managing
stormwater from road surfaces or other transportation -related surfaces.
Status
Report the status of the project type as follows:
Fully Funded is for stormwater facility retrofit projects that are at or beyond design
report stage and there is a documented source of funding and commitment to complete
the project during the next permit cycle by March 31, 2028. Design Report Stage means
project feasibility is established, BMP(s) are selected and their location(s) identified, site
lay -out established, project cost developed, and proposed schedule is created.
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• The started construction stage is for stormwater retrofit facilities that have begun a
construction activities.
Complete/Implementation stage is for completed stormwater facility retrofit projects,
for SMAP land management/development strategies or Focused, enhanced, or
customized SWMP actions, fully executed property purchases, implemented
maintenance actions (as described herein), and completed restoration projects. A
restoration project is not considered completed until any maintenance warranty times
established with the construction contract have been completed, or vegetation
establishment can be verified.
• For tracking purposes, update the status of projects for each yearly submittal.
Latitude/Longitude
If your project has multiple locations, include a Lat/Long for each location and describe the
reason why in an explanatory note. Report Lat/Long in decimal degrees to six decimal places,
and include the Geographic Coordinate System (e.g., WGS84). Maintenance actions that cover a
geographic area shall provide zip codes for the area addressed and attach a map with the final
reporting period.
Receiving Waterbody Name
List the waterbody to which the stormwater from the project discharges. If a receiving water
body is unnamed, also include the name of the water body that the unnamed creek/lake is a
tributary. Also indicate if the stormwater from the project is infiltrated wholly or partially to
groundwater.
Cost Estimate
Estimate total project costs and update costs over the course of the project where known.
Where known, include local/state/federal funding sources by percentage in the 'Comments'
field. Once a project is complete, the comments should reflect the accurate funding source
distribution. For projects still underway, you may want to include an explanatory note to
distinguish between funding sources that are secured and funding sources that you estimate.
Basin Area
Enter the total area served by the stormwater retrofit facility project (e.g., the full basin area).
For stormwater facilities, this is the catchment area contributing runoff to the facility, including
upstream facilities working as a system.
If the project serves an area under one acre, enter the total area for the basin. There are more
detailed instructions in the "How to Calculate Area for Small Projects Under One Acre".
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LID Equivalent Area
For each stormwater retrofit facility project that you expect to result in a hydrologic benefit for
small storms, use the LID Performance Standard Equivalent Area process described in the
section titled 'How to Calculate Equivalent Area.'
Runoff Treatment (RT) Equivalent Area
For each stormwater retrofit facility project that you expect to result in a runoff treatment
benefit (e.g., TSS, dissolved Copper, dissolved Zinc, or Total Phosphorus), calculate Runoff
Treatment Equivalent Area as described in the section titled, "How to Calculate Equivalent
Area."
Flow Control (FC) Equivalent Area
For each stormwater retrofit facility project that you expect to result in a hydrologic benefit for
larger storms, use the Flow Control Equivalent Area process described in the section titled 'How
to Calculate Equivalent Area'.
Non-structural or Regional Collaboration Project Area
For opportunistic non-structural project types, that are not a stormwater retrofit facility, report
the area for the relevant project type, up to 25% of assigned acreage:
• The area purchased or otherwise conserved or restored.
• For line cleaning projects, this is the line miles cleaned.
• For street sweeping projects, enter the amount for curb miles or acres swept.
Specify the units used for any area. For street sweeping, one curb mile for an 8.25 ft wide
sweep from the curb would cover an area equal to one acre. If you use curb miles as the unit,
but your sweeper width is different than this, specify the sweeper width.
For non-structural SMAP projects, report 25% of assigned acreage if implementing SMAP: Land
Management/Development Strategies and/or Focused, Enhanced, Custom SWMP actions.
Permittees may receive a maximum of 50% of their assigned acreage for implementing
opportunistic and SMAP non-structural project types this permit term.
For regional collaboration, report 25% of assigned acreage when a regional collaborative
project reaches a cross -jurisdictional agreement, or committed funding stage, but doesn't yet
meet 'fully funded.' This may only be applied one time per permit term.
Tribal benefits
Identify Project types that intend to provide stormwater management benefits to tribal waters
or resources.
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Western Washington Phase 11
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Overburdened Communities
Identify Project types that intend to provide stormwater management benefits to
overburdened communities including specifically Vulnerable Populations and Highly Impacted
Communities.
Total Equivalent Acres
Provide the calculated value of the Equivalent Acres for each Project type. For Project types
receiving a percentage of the assigned acres, provide the total acres based on the calculation.
If the project provides benefits for standard flow control and/or runoff treatment, and/or LID,
calculate equivalent areas for each benefit. The Equivalent Acres for LID, runoff treatment,
and flow control can be totaled. For example, a bioretention facility would get equivalent acres
for LID, based on the LID performance standard, Runoff Treatment Equivalent Acres for the
amount that infiltrates through the bioretention soil media, and Flow Control Equivalent Acres
based on the amount that does not overflow.
Opportunistic non-structural projects in addition to 25% (acreage, and project type)
Report opportunistic non-structural project which exceeds the 25% limit. These projects will
not receive credit but may still be reported.
Completed Stormwater Facility Retrofit Acreage in excess to be applied for next
permit term
Stormwater facility retrofit projects which are completely implemented by the expiration date
of this Permit that will exceed the area required for this Permit term may apply the excess as a
credit to be used for the next Permit term (e.g. 2029-2034 Permit term), not to exceed 50% of
the next Permit's requirement.
Stormwater facility retrofits planning and projections
Report the amount of estimated or projected equivalent acres managed by stormwater facility
retrofits for the next Permit term (e.g. 2029-2032).
Comments
This section can also be used to note any other information you feel is relevant, that is not
addressed in other columns.
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APPENDIX 13 - IDDE Reporting Data and Format
Permittees are required to submit the following information with the online annual report form,
pursuant to Special Condition S9.A.
This is the complete list of information that all Permittees are required to report for each IDDE
incident found, reported to, or investigated by the Permittee. Each Permittee may use either
their own system or the WQWebIDDE form for recording this data.
The form is required for reporting, unless you are using your own tracking system.
If using your own tracking system, this information must be provided in an electronic format
that follows the data schema provided at the end of this document and is easily transferred to a
database. For annual reports due on March 31, 2025, a .xmI submittal that follows the schema
is required.
A complete report will include a separate entry (even if left blank) for every line below and
must use the precise verbiage and spelling below. For all incidents where the answer to #6 is
no, #7-12 are not required. All dates are in MM/DD/YYYY format.
1. Jurisdiction name and permit number
2. Date incident discovered or reported to you
3. Date of beginning your response
4. Date of end of your response
5. How was the incident discovered or reported to you? (select all that apply)
• Pollution hotline (phone, web, app)
• Direct report to your staff
• Staff referral
• Other agency referral
• ERTS referral
• Business inspection
• Construction inspection
• MS4 inspection or screening
• Other (Explanation required)
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6. Discharge to MS4? (select one)
o Yes —notified Ecology
o Yes —notified DOH and Ecology
o Yes — did not notify
o Yes — allowable or conditionally allowable
o No — none found
o No — cleaned up before reached MS4
o No — discharge to Underground Injection Control (UIC) well
o Unknown
o Other (Explanation required)
7. Incident Location
• Address/Intersection
• City
• Zip (optional)
And/Or
• Latitude
• Longitude
8. Pollutants Identified (select all that apply)
•
Unconfirmed, unspecified, or not identified
•
Fuel and/or vehicle related fluids
•
Food -related oil/grease
•
Sediment/soil
•
Solid waste/trash
•
Sewage/septage/pet waste/human waste
•
Other wastewater
•
Paint
•
Firefighting foam
•
Soap or cleaning chemicals
•
Other (Explanation required)
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9. Source or Cause (select all that apply)
•
Unconfirmed, unspecified, or not identified
•
Vehicle -related business
•
Food -related business
•
Landscape -related business
•
Mobile business
•
Construction activity
•
Other commercial/industrial activity
•
Vehicle collision
•
Other accident/spill
•
Intentional dumping
•
Illicit connection
•
Other (Explanation required)
10. Source tracing approach(es) used (select all that apply)
• Not applicable
• Observation (color/sheen/turbidity/floatables/odor)
• Map analysis
• Dye, smoke, or pressure testing
• Field indicator measurements
• Analytical laboratory indicators
• Other (Explanation required)
11. Correction/elimination methods used (select all that apply)
• Clean-up
• Education/technical assistance
• Add or modify operational source control BMP
• Add or modify structural source control BMP
• Add or modify treatment BMP
• Enforcement
• Referred to other agency or department
• Other (Explanation required)
12. Field notes, explanations, and/or other comments
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IDDE XML Schema Document (IDDE.xsd)
<xs:schema xmins:xs="http://www.w3.org/2001/XMLSchema">
<xs:annotation>
<xs:documentation>
The documentation for each element will start with the question as stated in
the online form, and implementation details will follow.
</xs:documentation>
</xs:annotation>
<xs:element name="IDDEEvents" type="IDDEEvents" />
<xs:complexType name="IDDEEvents">
<xs:annotation>
<xs:documentation>
A list of IDDEs.
</xs:documentation>
<xs:documentation>
Ecology's IDDE processing can handle an empty list
</xs:documentation>
</xs:annotation>
<xs:sequence>
<xs:element max0ccurs="unbounded" name="IDDEEvent" type="IDDEEvent" />
</xs:sequence>
</xs:complexType>
<xs:complexType name="IDDEEvent">
<xs:annotation>
<xs:documentation>
One particular IDDE event
</xs:documentation>
<xs:documentation>
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Everything in the IDDE form is in this type.
</xs:documentation>
</xs:annotation>
<xs:all>
<xs:element max0ccurs="1" minOccurs="1" name="Jurisdiction">
<xs:annotation>
<xs:documentation>
1. Jurisdiction name and permit number
</xs:documentation>
<xs:documentation>
Report the full 9 character Permit Number (ex: WAR043000), Jurisdiction
name is redundant and displayed for the sake of the user on the web.
</xs:documentation>
</xs:annotation>
<xs:simpleType>
<xs:restriction base="xs:string">
<xs:length value="9"/>
</xs:restriction>
</xs:simpleType>
</xs:element>
<xs:element max0ccurs="1" minOccurs="O" nillable="true" name="IncidentId">
<xs:annotation>
<xs:documentation>
No Question: Incident ID
</xs:documentation>
<xs:documentation>
This is a unique ID code for all IDDEs on your permit, but not globally
unique. The usual sequence counting from 1 works very well.
WQWebIDDE uses the time and username to create this value (ex:
190702174507842WQWebPortal) when an IDDE is started.
If omitted, IDDE processing can't identify IDDEs to update and will
simply insert all IDDEs as fresh records for reporting.
APPENDIX 13 - IDDE Reporting - August 1, 2024 P e 5 of 3
gage 4�45 of 769
Western Washington Phase 11
Municipal Stormwater Permit
</xs:documentation>
</xs:annotation>
<xs:simpleType>
<xs:restriction base="xs:string">
<xs:maxLength value="30"/>
</xs:restriction>
</xs:simpleType>
</xs:element>
<xs:element max0ccurs="1" minOccurs="0" nillable="true" name="DateReported"
type="SglDate">
<xs:annotation>
<xs:documentation>
2. Date incident discovered or reported to you
</xs:documentation>
</xs:annotation>
</xs:element>
<xs:element max0ccurs="1" minOccurs="0" nillable="true"
name="DateResponseBegin" type="SglDate">
<xs:annotation>
<xs:documentation>
3. Date of beginning your response
</xs:documentation>
</xs:annotation>
</xs:element>
<xs:element max0ccurs="1" minOccurs="O" nillable="true" name="DateResponseEnd"
type="SglDate">
<xs:annotation>
<xs:documentation>
4. Date of end of your response
</xs:documentation>
</xs:annotation>
APPENDIX 13 - IDDE Reporting - August 1, 2024 P e 6 of 3
gage 46 of 769
Western Washington Phase 11
Municipal Storm water Permit
</xs:element>
<xs:element maxOccurs="1" minOccurs="0" nillable="true" name="Discovereds"
type="Discovered">
<xs:annotation>
<xs:documentation>
5. How was the incident discovered or reported to you?
</xs:documentation>
<xs:documentation>
Select all that apply, explain if "Other"
</xs:documentation>
</xs:annotation>
</xs:element>
<xs:element maxOccurs="1" minOccurs="O" nillable="true" name="MS4Discharge"
type="Discharge">
<xs:annotation>
<xs:documentation>
6. Discharge to MS4?
</xs:documentation>
<xs:documentation>
Select one, explain if "Other"
</xs:documentation>
</xs:annotation>
</xs:element>
<xs:element maxOccurs="1" minOccurs="O" nillable="true" name="Location"
type="Location">
<xs:annotation>
<xs:documentation>
7. Incident Location
</xs:documentation>
<xs:documentation>
APPENDIX 13 -1DDE Reporting - August 1, 2024 P rage
of 3
rage 4�47 of 769
Western Washington Phase 11
Municipal Storm water Permit
At least one form of location is required. Entering both is allowed and
acceptable. Enter a street address or nearest intersection in the Address element,
it is not going to be verified to be a mailing address.
</xs:documentation>
</xs:annotation>
</xs:element>
<xs:element maxOccurs="1" minOccurs="0" nillable="true" name="Pollutants"
type="Pollutant">
<xs:annotation>
<xs:documentation>
8. Pollutants Identified
</xs:documentation>
<xs:documentation>
Select all that apply, explain if "Other"
</xs:documentation>
</xs:annotation>
</xs:element>
<xs:element max0ccurs="1" minOccurs="O" nillable="true" name="Sources"
type="Source">
<xs:annotation>
<xs:documentation>
9. Source or cause
</xs:documentation>
<xs:documentation>
Select all that apply, explain if "Other"
</xs:documentation>
</xs:annotation>
</xs:element>
<xs:element max0ccurs="1" minOccurs="O" nillable="true" name="Traces"
type="Trace">
<xs:annotation>
<xs:documentation>
APPENDIX 13 - IDDE Reporting - August 1, 2024 P e 8 of 3
gage 48 of 769
Western Washington Phase 11
Municipal Storm water Permit
10. Source tracing approach(es) used
</xs:documentation>
<xs:documentation>
Select all that apply, explain if "Other"
</xs:documentation>
</xs:annotation>
</xs:element>
<xs:element max0ccurs="1" minOccurs="0" nillable="true" name="Corrections"
type="Correction">
<xs:annotation>
<xs:documentation>
11. Correction/elimination methods used
</xs:documentation>
<xs:documentation>
Select all that apply, explain if "Other"
</xs:documentation>
</xs:annotation>
</xs:element>
<xs:element max0ccurs="1" minOccurs="O" nillable="true" name="Notes"
type="xs:string">
<xs:annotation>
<xs:documentation>
12. Field notes, explanations, and/or other comments
</xs:documentation>
</xs:annotation>
</xs:element>
</xs:all>
</xs:complexType>
<xs:simpleType name="SglDate">
<xs:annotation>
APPENDIX 13 - IDDE Reporting - August 1, 2024 P e 9 of 3
gage 4�49 of 769
Western Washington Phase II
Municipal Stormwater Permit
<xs:documentation>
xs:date limited to SQL Server's operating range
</xs:documentation>
</xs:annotation>
<xs:restriction base="xs:date">
<xs:minInclusive value="1753-01-01" />
<xs:maxInclusive value="9999-12-31" />
</xs:restriction>
</xs:simpleType>
<xs:complexType name="Discharge">
<xs:annotation>
<xs:documentation>
Responses for Question 6, Discharge to M54?
</xs:documentation>
</xs:annotation>
<xs:choice>
<xs:element name="YesNotifiedECY" type="YesNotifiedECYDischarge">
<xs:annotation>
<xs:documentation>
Yes - notified Ecology
</xs:documentation>
</xs:annotation>
</xs:element>
<xs:element name="YesNotifiedDOH" type="YesNotifiedDOHDischarge">
<xs:annotation>
<xs:documentation>
Yes - notified DOH and Ecology
</xs:documentation>
</xs:annotation>
APPENDIX 13 - IDDE Reporting - August 1, 2024 Pa h'ag@ !450 of 769
Western Washington Phase Il
Municipal Stormwater Permit
</xs:element>
<xs:element name="YesNoNotice" type="YesNoNoticeDischarge">
<xs:annotation>
<xs:documentation>
Yes - did not notify
</xs:documentation>
</xs:annotation>
</xs:element>
<xs:element name="YesAllowable" type="YesAllowableDischarge">
<xs:annotation>
<xs:documentation>
Yes - allowable or conditionally allowable
</xs:documentation>
</xs:annotation>
</xs:element>
<xs:element name="NoNoneFound" type="NoNoneFoundDischarge">
<xs:annotation>
<xs:documentation>
No - none found
</xs:documentation>
</xs:annotation>
</xs:element>
<xs:element name="NoCleanedUp" type="NoCleanedUpDischarge">
<xs:annotation>
<xs:documentation>
No - cleaned up before reached MS4
</xs:documentation>
</xs:annotation>
</xs:element>
<xs:element name="NoToUIC" type="NoToUICDischarge">
APPENDIX 13 - IDDE Reporting -August 1, 2024 Pa h' 11 of of 769
Western Washington Phase II
Municipal Stormwater Permit
<xs:annotation>
<xs:documentation>
No - discharge to Underground Injection Control (UIC) well
</xs:documentation>
</xs:annotation>
</xs:element>
<xs:element name="Unknown" type="UnknownDischarge">
<xs:annotation>
<xs:documentation>
Unknown
</xs:documentation>
</xs:annotation>
</xs:element>
<xs:element name="Other" type="OtherDischarge">
<xs:annotation>
<xs:documentation>
Other
</xs:documentation>
</xs:annotation>
</xs:element>
</xs:choice>
</xs:complexType>
<xs:complexType name="Discovered">
<xs:sequence>
<xs:element maxOccurs="unbounded" name="Discovered">
<xs:complexType>
<xs:sequence>
<xs:element maxOccurs="1" minOccurs="O" name="Explain" type="xs:string">
<xs:annotation>
APPENDIX 13 - IDDE Reporting - August 1, 2024 Pa p 12 o 3452 of 769
Western Washington Phase II
Municipal Stormwater Permit
<xs:documentation>
Explain
</xs:documentation>
<xs:documentation>
Required if the chosen type's xs:appinfo is Explain
</xs:documentation>
</xs:annotation>
</xs:element>
</xs:sequence>
<xs:attribute name="type" type="DiscoveredType"/>
</xs:complexType>
</xs:element>
</xs:sequence>
</xs:complexType>
<xs:complexType name="Location">
<xs:all>
<xs:element max0ccurs="1" minOccurs="O" name="Address" type="AddressType" />
<xs:element max0ccurs="1" minOccurs="O" name="LatLong" type="LatLongType" />
</xs:all>
</xs:complexType>
<xs:complexType name="Pollutant">
<xs:sequence>
<xs:element max0ccurs="unbounded" name="Pollutant">
<xs:complexType>
<xs:sequence>
<xs:element max0ccurs="1" minOccurs="O" name="Explain" type="xs:string">
<xs:annotation>
<xs:documentation>
APPENDIX 13 - IDDE Reporting - August 1, 2024 Pa F' 13 of of 769
Western Washington Phase 11
Municipal Storm water Permit
Explain
</xs:documentation>
<xs:documentation>
Required if the chosen type's xs:appinfo is Explain
</xs:documentation>
</xs:annotation>
</xs:element>
</xs:sequence>
<xs:attribute name="type" type="Pollutant Type"/>
</xs:complexType>
</xs:element>
</xs:sequence>
</xs:complexType>
<xs:complexType name="Source">
<xs:sequence>
<xs:element max0ccurs="unbounded" name="Source">
<xs:complexType>
<xs:sequence>
<xs:element max0ccurs="1" minOccurs="O" name="Explain" type="xs:string',>
<xs:annotation>
<xs:documentation>
Explain
</xs:documentation>
<xs:documentation>
Required if the chosen type's xs:appinfo is Explain
</xs:documentation>
</xs:annotation>
</xs:element>
</xs:sequence>
APPENDIX 13 - IDDE Reporting - August 1, 2024 PaYagOU54 of 769
Western Washington Phase I!
Municipal Stormwater Permit
<xs:attribute name="type" type="SourceType"/>
</xs:complexType>
</xs:element>
</xs:sequence>
</xs:complexType>
<xs:complexType name="Trace">
<xs:sequence>
<xs:element max0ccurs="unbounded" name="Trace">
<xs:complexType>
<xs:sequence>
<xs:element max0ccurs="1" minOccurs="O" name="Explain" type="xs:string">
<xs:annotation>
<xs:documentation>
Explain
</xs:documentation>
<xs:documentation>
Required if the chosen type's xs:appinfo is Explain
</xs:documentation>
</xs:annotation>
</xs:element>
</xs:sequence>
<xs:attribute name="type" type="TraceType"/>
</xs:complexType>
</xs:element>
</xs:sequence>
</xs:complexType>
<xs:complexType name="Correction">
<xs:sequence>
APPENDIX 13 - IDDE Reporting - August 1, 2024 Pa t'agOU55 of 769
Western Washington Phase Il
Municipal Stormwater Permit
<xs:element max0ccurs="unbounded" name="Correction">
<xs:complexType>
<xs:sequence>
<xs:element max0ccurs="1" minOccurs="O" name="Explain" type="xs:string">
<xs:annotation>
<xs:documentation>
Explain
</xs:documentation>
<xs:documentation>
Required if the chosen type's xs:appinfo is Explain
</xs:documentation>
</xs:annotation>
</xs:element>
</xs:sequence>
<xs:attribute name="type" type="CorrectionType"/>
</xs:complexType>
</xs:element>
</xs:sequence>
</xs:complexType>
<xs:complexType name="YesNotifiedECYDischarge">
<xs:annotation>
<xs:documentation>
Discharge reached MS4, Notified Ecology
</xs:documentation>
</xs:annotation>
</xs:complexType>
<xs:complexType name="YesNotifiedDOHDischarge">
<xs:annotation>
APPENDIX 13 - IDDE Reporting - August 1, 2024 Pa Yag@ !& of 769
Western Washington Phase 11
Municipal Stormwater Permit
<xs:documentation>
Discharge reached MS4, Notified Departments of Ecology and Health
</xs:documentation>
</xs:annotation>
</xs:complexType>
<xs:complexType name="YesNoNoticeDischarge">
<xs:annotation>
<xs:documentation>
Discharge reached MS4, Did not notify Ecology
</xs:documentation>
</xs:annotation>
</xs:complexType>
<xs:complexType name="YesAllowableDischarge">
<xs:annotation>
<xs:documentation>
Discharge reached MS4, but it was allowable
</xs:documentation>
</xs:annotation>
</xs:complexType>
<xs:complexType name="NoNoneFoundDischarge">
<xs:annotation>
<xs:documentation>
No discharge found
</xs:documentation>
</xs:annotation>
</xs:complexType>
APPENDIX 13 - IDDE Reporting - August 1, 2024 Pa h'8ge �57 of 769
Western Washington Phase 11
Municipal Stormwater Permit
<xs:complexType name="NoCleanedUpDischarge">
<xs:annotation>
<xs:documentation>
Discharge cleaned up and did not reach MS4
</xs:documentation>
</xs:annotation>
</xs:complexType>
<xs:complexType name="NoToUICDischarge">
<xs:annotation>
<xs:documentation>
Discharge to Underground Injection Control (UIC) well
</xs:documentation>
</xs:annotation>
</xs:complexType>
<xs:complexType name="UnknownDischarge">
<xs:annotation>
<xs:documentation>
Unknown if discharge reached MS4
</xs:documentation>
</xs:annotation>
</xs:complexType>
<xs:complexType name="OtherDischarge">
<xs:annotation>
<xs:documentation>
Something else happened, tell us what
</xs:documentation>
<xs:appinfo>
APPENDIX 13 - IDDE Reporting - August 1, 2024 Pa Y'ag@ 34�58 of 769
Western Washington Phase 11
Municipal Stormwater Permit
Explain
</xs:appinfo>
</xs:annotation>
<xs:sequence>
<xs:element maxOccurs="1" minOccurs="O" name="Explain" type="xs:string"/>
</xs:sequence>
</xs:complexType>
<xs:simpleType name="DiscoveredType">
<xs:annotation>
<xs:documentation>
Responses for Question 5, How was this incident discovered or reported to
you?
</xs:documentation>
</xs:annotation>
<xs:restriction base="xs:string">
<xs:enumeration value="O">
<xs:annotation>
<xs:documentation>
Pollution hotline (phone, web, app)
</xs:documentation>
</xs:annotation>
</xs:enumeration>
<xs:enumeration value="1">
<xs:annotation>
<xs:documentation>
Direct report to your staff
</xs:documentation>
</xs:annotation>
</xs:enumeration>
APPENDIX 13 - IDDE Reporting - August 1, 2024 Pa "goe 3 59 of 769
Western Washington Phase ll
Municipal Stormwater Permit
<xs:enumeration value="2">
<xs:annotation>
<xs:documentation>
Staff referral
</xs:documentation>
</xs:annotation>
</xs:enumeration>
<xs:enumeration value="3">
<xs:annotation>
<xs:documentation>
Other agency referral
</xs:documentation>
</xs:annotation>
</xs:enumeration>
<xs:enumeration value="4">
<xs:annotation>
<xs:documentation>
ERTS referral
</xs:documentation>
</xs:annotation>
</xs:enumeration>
<xs:enumeration value="5">
<xs:annotation>
<xs:documentation>
Business inspection
</xs:documentation>
</xs:annotation>
</xs:enumeration>
<xs:enumeration value="6">
<xs:annotation>
APPENDIX 13 - IDDE Reporting - August 1, 2024 Pa 21 of 3
Pap 4560 Of 769
Western Washington Phase Il
Municipal Stormwater Permit
<xs:documentation>
Construction inspection
</xs:documentation>
</xs:annotation>
</xs:enumeration>
<xs:enumeration value="7">
<xs:annotation>
<xs:documentation>
M54 inspection or screening
</xs:documentation>
</xs:annotation>
</xs:enumeration>
<xs:enumeration value="8">
<xs:annotation>
<xs:documentation>
Other
</xs:documentation>
<xs:appinfo>
Explain
</xs : appinfo>
</xs:annotation>
</xs:enumeration>
</xs:restriction>
</xs:simpleType>
<xs:complexType name="AddressType">
<xs:annotation>
<xs:documentation>
Responses for Question 7. Incident Location
</xs:documentation>
APPENDIX 13 - IDDE Reporting — August 1, 2024 Pa S 21 o 61 Of 769
Western Washington Phase 11
Municipal Stormwater Permit
</xs:annotation>
<xs:sequence>
<xs:element max0ccurs="1" minOccurs="O" name="Address" type="xs:string">
<xs:annotation>
<xs:documentation>
Address/Intersection
</xs:documentation>
</xs:annotation>
</xs:element>
<xs:element max0ccurs="1" minOccurs="O" name="City" type="xs:string">
<xs:annotation>
<xs:documentation>
City
</xs:documentation>
</xs:annotation>
</xs:element>
<xs:element max0ccurs="1" minOccurs="O" name="PostalCode" type="xs:string">
<xs:annotation>
<xs:documentation>
Zip
</xs:documentation>
</xs:annotation>
</xs:element>
</xs:sequence>
</xs:complexType>
<xs:complexType name="LatLongType">
<xs:annotation>
<xs:documentation>
Latitude Longitude pair.
APPENDIX 13 - IDDE Reporting - August 1, 2024 Pao 22 of 3,
a. 62 of 769
Western Washington Phase 11
Municipal Stormwater Permit
</xs:documentation>
</xs:annotation>
<xs:sequence>
<xs:element name="Latitude" type="LatNumber">
<xs:annotation>
<xs:documentation>
Latitude
</xs:documentation>
</xs:annotation>
</xs:element>
<xs:element name="Longitude" type="LongNumber">
<xs:annotation>
<xs:documentation>
Longitude
</xs:documentation>
</xs:annotation>
</xs:element>
</xs:sequence>
</xs:complexType>
<xs:simpleType name="LatNumber">
<xs:annotation>
<xs:documentation>
Latitude, 6 decimal digits.
</xs:documentation>
</xs:annotation>
<xs:restriction base="xs:decimal">
<xs:totalDigits value="8" />
<xs:fractionDigits value="6" />
<xs:minInclusive value="-90" />
APPENDIX 13 - IDDE Reporting - August 1, 2024 Pa %age63 of 769
Western Washington Phase Il
Municipal Stormwater Permit
<xs:maxInclusive value="90" />
</xs:restriction>
</xs:simpleType>
<xs:simpleType name="LongNumber">
<xs:annotation>
<xs:documentation>
Longitude, 6 decimal digits.
</xs:documentation>
</xs:annotation>
<xs:restriction base="xs:decimal">
<xs:totalDigits value="9" />
<xs:fractionDigits value="6" />
<xs:minInclusive value="-180" />
<xs:maxInclusive value="180" />
</xs:restriction>
</xs:simpleType>
<xs:simpleType name="PollutantType">
<xs:annotation>
<xs:documentation>
Responses for Question 8, Pollutants Identified
</xs:documentation>
</xs:annotation>
<xs:restriction base="xs:string">
<xs:enumeration value="e">
<xs:annotation>
<xs:documentation>
Unconfirmed, unspecified, or not identified
</xs:documentation>
APPENDIX 13 - IDDE Reporting - August 1, 2024 Pa 24 of 3
Wage 4�64 of 769
Western Washington Phase 11
Municipal Stormwater Permit
</xs:annotation>
</xs:enumeration>
<xs:enumeration value="1">
<xs:annotation>
<xs:documentation>
Fuel and/or vehicle related fluids
</xs:documentation>
</xs:annotation>
</xs:enumeration>
<xs:enumeration value="2">
<xs:annotation>
<xs:documentation>
Food -related oil/grease
</xs:documentation>
</xs:annotation>
</xs:enumeration>
<xs:enumeration value="3">
<xs:annotation>
<xs:documentation>
Sediment/soil
</xs:documentation>
</xs:annotation>
</xs:enumeration>
<xs:enumeration value="4">
<xs:annotation>
<xs:documentation>
Solid waste/trash
</xs:documentation>
</xs:annotation>
</xs:enumeration>
APPENDIX 13 - IDDE Reporting -August 1, 2024 Pa 521 34�65 of 769
Western Washington Phase ll
Municipal Stormwater Permit
<xs:enumeration value="5">
<xs:annotation>
<xs:documentation>
Sewage/septage/pet waste/human waste
</xs:documentation>
</xs:annotation>
</xs:enumeration>
<xs:enumeration value="6">
<xs:annotation>
<xs:documentation>
Other wastewater
</xs:documentation>
</xs:annotation>
</xs:enumeration>
<xs:enumeration value="7">
<xs:annotation>
<xs:documentation>
Paint
</xs:documentation>
</xs:annotation>
</xs:enumeration>
<xs:enumeration value="8">
<xs:annotation>
<xs:documentation>
Firefighting foam
</xs:documentation>
</xs:annotation>
</xs:enumeration>
<xs:enumeration value="9">
<xs:annotation>
APPENDIX 13 - IDDE Reporting -August 1, 2024 Pa�26 of of 769
Western Washington Phase 11
Municipal Stormwater Permit
<xs:documentation>
Soap or cleaning chemicals
</xs:documentation>
</xs:annotation>
</xs:enumeration>
<xs:enumeration value="10">
<xs:annotation>
<xs:documentation>
Other
</xs:documentation>
<xs:appinfo>
Explain
</xs:appinfo>
</xs:annotation>
</xs:enumeration>
</xs:restriction>
</xs:simpleType>
<xs:simpleType name="SourceType">
<xs:annotation>
<xs:documentation>
Responses for Question 9, Source or cause
</xs:documentation>
</xs:annotation>
<xs:restriction base="xs:string">
<xs:enumeration value="O">
<xs:annotation>
<xs:documentation>
Unconfirmed, unspecified, or not identified
</xs:documentation>
APPENDIX 13 - IDDE Reporting - August 1, 2024 Pa p2l of of 769
Western Washington Phase 11
Municipal Stormwater Permit
</xs:annotation>
</xs:enumeration>
<xs:enumeration value="1">
<xs:annotation>
<xs:documentation>
Vehicle -related business
</xs:documentation>
</xs:annotation>
</xs:enumeration>
<xs:enumeration value="2">
<xs:annotation>
<xs:documentation>
Food -related business
</xs:documentation>
</xs:annotation>
</xs:enumeration>
<xs:enumeration value="3">
<xs:annotation>
<xs:documentation>
Landscape -related business
</xs:documentation>
</xs:annotation>
</xs:enumeration>
<xs:enumeration value="4">
<xs:annotation>
<xs:documentation>
Mobile business
</xs:documentation>
</xs:annotation>
</xs:enumeration>
APPENDIX 13 - IDDE Reporting - August 1, 2024 pap 21 of 769
Western Washington Phase 11
Municipal Stormwater Permit
<xs:enumeration value="5">
<xs:annotation>
<xs:documentation>
Construction activity
</xs:documentation>
</xs:annotation>
</xs:enumeration>
<xs:enumeration value="6">
<xs:annotation>
<xs:documentation>
Other commercial/industrial activity
</xs:documentation>
</xs:annotation>
</xs:enumeration>
<xs:enumeration value="7">
<xs:annotation>
<xs:documentation>
Vehicle collision
</xs:documentation>
</xs:annotation>
</xs:enumeration>
<xs:enumeration value="8">
<xs:annotation>
<xs:documentation>
Other accident/spill
</xs:documentation>
</xs:annotation>
</xs:enumeration>
<xs:enumeration value="9">
<xs:annotation>
APPENDIX 13 - IDDE Reporting - August 1, 2024 Pa P 21 o 69 of 769
Western Washington Phase 11
Municipal Stormwater Permit
<xs:documentation>
Intentional dumping
</xs:documentation>
</xs:annotation>
</xs:enumeration>
<xs:enumeration value="10">
<xs:annotation>
<xs:documentation>
Illicit connection
</xs:documentation>
</xs:annotation>
</xs:enumeration>
<xs:enumeration value="11">
<xs:annotation>
<xs:documentation>
Other
</xs:documentation>
<xs:appinfo>
Explain
</xs:appinfo>
</xs:annotation>
</xs:enumeration>
</xs:restriction>
</xs:simpleType>
<xs:simpleType name="TraceType">
<xs:annotation>
<xs:documentation>
Responses for Question 10, Source tracing approach(es) used
</xs:documentation>
APPENDIX 13 - IDDE Reporting - August 1, 2024 Pa t'ag2 34570 of 769
Western Washington Phase 11
Municipal Stormwater Permit
</xs:annotation>
<xs:restriction base="xs:string">
<xs:enumeration value="0">
<xs:annotation>
<xs:documentation>
Not applicable
</xs:documentation>
</xs:annotation>
</xs:enumeration>
<xs:enumeration value="1">
<xs:annotation>
<xs:documentation>
observation (color/sheen/turbidity/floatables/odor)
</xs:documentation>
</xs:annotation>
</xs:enumeration>
<xs:enumeration value="2">
<xs:annotation>
<xs:documentation>
Map analysis
</xs:documentation>
</xs:annotation>
</xs:enumeration>
<xs:enumeration value="3">
<xs:annotation>
<xs:documentation>
Dye, smoke, or pressure testing
</xs:documentation>
</xs:annotation>
</xs:enumeration>
APPENDIX 13 - IDDE Reporting - August 1, 2024 Pa pal o l4 71 of 769
Western Washington Phase II
Municipal Stormwater Permit
<xs:enumeration value="4">
<xs:annotation>
<xs:documentation>
Field indicator measurements
</xs:documentation>
</xs:annotation>
</xs:enumeration>
<xs:enumeration value="5">
<xs:annotation>
<xs:documentation>
Analytical laboratory indicators
</xs:documentation>
</xs:annotation>
</xs:enumeration>
<xs:enumeration value="6">
<xs:annotation>
<xs:documentation>
Other
</xs:documentation>
<xs:appinfo>
Explain
</xs : appinfo>
</xs:annotation>
</xs:enumeration>
</xs:restriction>
</xs:simpleType>
<xs:simpleType name="CorrectionType">
<xs:annotation>
<xs:documentation>
APPENDIX 13 - IDDE Reporting - August 1, 2024 Pa 32 of 3
Wage 2 of 769
Western Washington Phase 11
Municipal Storm water Permit
Responses for Question 11, Correction/elimination methods used
</xs:documentation>
</xs:annotation>
<xs:restriction base="xs:string">
<xs:enumeration value="0">
<xs:annotation>
<xs:documentation>
Clean-up
</xs:documentation>
</xs:annotation>
</xs:enumeration>
<xs:enumeration value="1">
<xs:annotation>
<xs:documentation>
Education/technical assistance
</xs:documentation>
</xs:annotation>
</xs:enumeration>
<xs:enumeration value="2">
<xs:annotation>
<xs:documentation>
Add or modify operational source control BMP
</xs:documentation>
</xs:annotation>
</xs:enumeration>
<xs:enumeration value="3">
<xs:annotation>
<xs:documentation>
Add or modify structural source control BMP
</xs:documentation>
APPENDIX 13 - IDDE Reporting - August 1, 2024 Paage 4573 of 769
Western Washington Phase 11
Municipal Stormwater Permit
</xs:annotation>
</xs:enumeration>
<xs:enumeration value="4">
<xs:annotation>
<xs:documentation>
Add or modify treatment BMP
</xs:documentation>
</xs:annotation>
</xs:enumeration>
<xs:enumeration value="5">
<xs:annotation>
<xs:documentation>
Enforcement
</xs:documentation>
</xs:annotation>
</xs:enumeration>
<xs:enumeration value="6">
<xs:annotation>
<xs:documentation>
Referred to other agency or department
</xs:documentation>
</xs:annotation>
</xs:enumeration>
<xs:enumeration value="7">
<xs:annotation>
<xs:documentation>
Other
</xs:documentation>
<xs:appinfo>
Explain
APPENDIX 13 - IDDE Reporting - August 1, 2024 Pa 34 of 37 4�74 of 769
Western Washington Phase Il
Municipal Stormwater Permit
</xs:appinfo>
</xs:annotation>
</xs:enumeration>
</xs:restriction>
</xs:simpleType>
</xs:schema>
APPENDIX 13 - IDDE Reporting — August 1, 2024 Pa t'ag@ 4 75 of 769
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Page 476 of 769
Western Washington Phase Il Municipal
Stormwater Permit
APPENDIX 14 - Stormwater Management Action Planning for
New Permittees
Stormwater Management Action Planning' (SMAP). Permittees shall conduct a similar process
and consider the range of issues outlined in the Stormwater Management Action Planning
Guidance (Ecology, 2024; Publication no. 24-10-027). Permittees may rely on another
jurisdiction to meet all or part of SMAP requirements at a watershed -scale, provided a SMAP is
completed for at least one priority catchment located within the Permittee's jurisdiction.
Receiving Water Assessment. Permittees shall document and assess existing
information related to their local receiving waters and contributing area conditions to
identify which receiving waters are most likely to benefit from stormwater management
planning.
By March 31, 2027, Permittees shall submit a watershed inventory and include a brief
description of the relative conditions of the receiving waters and the contributing areas.
The watershed inventory shall be submitted as a table with each receiving water name,
its total watershed area, the percent of the total watershed area that is in the
Permittee's jurisdiction, and the findings of the stormwater management influence
assessment for each basin. Indicate which receiving waters will be included in the
prioritization process. Include a map of the delineated basins with references to the
watershed inventory table.
a) Identify which basins are expected to have a relatively low Stormwater
Management Influence for SMAP. See the guidance document for definition and
description of this assessment. Basins having relatively low expected Stormwater
Management Influence for SMAP do not need to be included in 2-3.
2. Receiving Water Prioritization. Informed by the assessment of receiving water
conditions in 1), above, and other local and regional information, Permittees shall
develop and implement a prioritization method and process to determine which
receiving waters will receive the most benefit from implementation of stormwater
facility retrofits, tailored implementation of SWMP actions, and other
land/development management actions (different than the existing new and
redevelopment requirements). The retrofits and actions shall be designed to:
a) conserve, protect, or restore receiving waters through stormwater and land
management strategies that act as water quality management tools,
b) reduce pollutant loading, and
c) address hydrologic impacts from existing development as well as planned for
and expected future buildout conditions.
1 New Permittees are exempt from 55.C.1.d. for this permit term.
Appendix 14 -Stormwater Management Action Planning for New Permittees- August 1, 2024 Pagee477 of 769
Western Washington Phase 1l Municipal
Stormwater Permit
No later than June 30, 2027, document the prioritized and ranked list of receiving
waters.
d) The Permittee shall document the priority ranking process used to identify high
priority receiving waters. The Permittee may reference existing local watershed
management plan(s) as source(s) of information or rationale for the
prioritization.
e) The ranking process shall include the identification of high priority catchment
area(s) for focus of the Stormwater Management Action Plan (SMAP) in (3),
below.
3. Stormwater Management Action Plan (SMAP). No later than March 31, 2028,
Permittees shall develop a SMAP for at least one high priority catchment area from (2),
above, that identifies all of the following:
a) A description of the stormwater facility retrofits needed for the area, including
the BMP types and preferred locations. Include projects that address
transportation -related runoff from high traffic areas.
b) Land management/development strategies and/or actions identified for water
quality management.
c) Focused, enhanced, or customized implementation of stormwater management
actions related to permit sections within S5, including:
(1) IDDE field screening,
(2) Prioritization of Source Control inspections,
(3) 0&M inspections or enhanced maintenance, or
(4) Public Education and Outreach behavior change programs.
(5) Identified actions shall support other specifically identified stormwater
management strategies and actions for the basin overall, or for the
catchment area.
d) If applicable, identification of changes needed to local long-range plans, to
address SMAP priorities.
e) A proposed implementation schedule and budget sources for:
f) Short-term actions (i.e., actions to be accomplished within six years), and
g) Long-term actions (i.e., actions to be accomplished within seven
to 20 years).
4. Actions in the SMAP that may benefit overburdened communities, including specifically
Vulnerable Populations and Highly Impacted Communities.
S. A process and schedule to provide future assessment and feedback to improve the
planning process and implementation of procedures or projects.
Appendix 14 - Stormwater Management Action Planning for New Permittees - August 1, 2024 PageA78 of 769
Appendix B
Hydrologic and Hydraulic
Modeling Analysis
Brown ANo .
Caldwell
701 Pike Street, Suite 1300
Seattle. WA 98101-2310
T: 206.624.0100
Prepared for: Parametrix
Draft Technical Memorandum
Project Title: 2024 Comprehensive Storm Drainage Plan
Project No.: 158561
Draft Technical Memorandum
Subject: Hydrologic and Hydraulic Modeling for Capital Improvement Projects
Date:
To:
From:
Copy to:
Prepared by:
Reviewed by:
March 26, 2024
Paul Fendt, PE
Alex Van Kirk, EIT
Margaret Ales, PE
Madison Thompson, EIT
Margaret Ales, PE
Mike Milne
Limitations:
This is a draft memorandum and is not intended to be a final representation of the work done or recommendations made by Brown and Caldwell. It
should not be relied upon; consult the final report.
This document was prepared solely for Parametrix, Inc. in accordance with professional standards at the time the services were performed and in
accordance with the contract between Parametrix, Inc. and Brown and Caldwell dated 512312022. This document is governed by the specific scope
of work authorized by Parametrix, Inc., it is not intended to be relied upon by any other party except for regulatory authorities contemplated by the
scope of work. We have relied on information or instructions provided by Parametrix, Inc. and other parties and, unless otherwise expressly
indicated, have made no independent investigation as to the validity, completeness, or accuracy of such information. Page 480 of 769
Hydrologic and Hydraulic Modeling for Capital Improvement Projects
Table of Contents
Section1: Introduction.............................................................................................................................................1
Section 2: Input Data and Model Updates..............................................................................................................
2
2.1 Precipitation Record Extension.........................................................................................................................
2
2.2 Model Refinement.............................................................................................................................................
2
2.2.1 GHI Subbasin Model..........................................................................................................................3
2.2.2 BCDF Subbasin Model.......................................................................................................................
4
2.2.3 AZ Subbasin Model............................................................................................................................
4
2.2.4 R Subbasin Model..............................................................................................................................
4
2.3 Flow Frequency and Design Storms.................................................................................................................
4
2.4 Potential Project Evaluations............................................................................................................................
6
2.4.1 Included Projects...............................................................................................................................
7
2.4.2 Excluded Projects............................................................................................................................12
References..............................................................................................................................................................17
List of Figures
Figure B-1. Subbasin Models Updated on Behalf of Auburn's 2024 Comprehensive Storm Drainage Plan..... 3
Figure B-2. R Street SE Widening Project Subbasins............................................................................................. 8
Figure B-3. Plan View of R Street SE Widening and Future CIP (BCDF Subbasin Model,
25-year storm flows[1/9/1990]).....................................................................................................................
9
Figure B-4. Hydraulic Grade Line Profile View of R Street SE Widening and Future CIP (BCDF Subbasin Model,
25-year storm flows [1/9/19901).....................................................................................................................
9
Figure B-5. Plan View of R Street SE Widening and Future CIP (AZ Subbasin Model,
25-year storm flows[9/7/2019])...................................................................................................................10
Figure B-6. Hydraulic Grade Line Profile View of R Street SE Widening and Future CIP (AZ Subbasin Model,
25-year storm flows [9/7/2019])...................................................................................................................10
Figure B-7. Plan View of R Street SE Widening and Future CIP (R Subbasin Model, 25-year storm flows
[10/20/2003]).................................................................................................................................................11
Figure B-8. Hydraulic Grade Line Profile View of R Street SE Widening and Future CIP (R Subbasin Model,
25-year storm flows [10/20/2003])..............................................................................................................11
Figure B-9. Flooding impacts of 30th Street NE Area Flooding, Phase 3 Project at the Airport Property Low
Area(catch basin 409-151).............................................................................................................................13
Figure B-10. Hydraulic Grade Line in 30th Street NE (from the Airport Property to I Street NE)
Comparison of Existing Conditions and Proposed Conditions from the 30th Street NE Area Flooding,
Phase3 Project................................................................................................................................................14
Brown —Caldwell :
" Page 481 of 769
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Hydrologic and Hydraulic Modeling for Capital Improvement Projects
Figure B-11. Comparison of Hydraulic Grade Line in Vicinity of Auburn Way South and
SR 18 Westbound Off -Ramp Intersection for Evaluation Scenarios............................................................15
Figure B-12. Flooding at Low Inlet (809-B33) near Auburn Way South and
SR 18 Westbound Offramp Intersection for Evaluation Scenarios...............................................................16
List of Tables
Table B-1. 2024 Plan Potential Project Modeling Summary ................................................................................. 1
Table B-2. Auburn Composite Precipitation Record Summary ..............................................................................
2
Table B-3. GHI Subbasin Frequency Analysis Summary ........................................................................................
5
Table B-4. BCDF Subbasin Frequency Analysis Summary.....................................................................................
5
Table B-5. AZ Subbasin Frequency Analysis Summary..........................................................................................
6
Table B-6. R Subbasin Frequency Analysis Summary............................................................................................
6
Table B-7. Design Storms by Subbasin Summary ..................................................................................................
6
Table B-8. 2024 Plan Potential Projects and Evaluation Status...........................................................................
7
Table B-9. R Street SE Widening Project and Future CIP Recommendations
....................................................12
Brown-o Caldwell
iii Page 482 of 769
DRAFT for review purposes only Use of contents on this sheet is subject to the limitations specified at the beginning of this documenT,
Hydrologic and Hydraulic Modeling for Capital Improvement Projects
Section 1: Introduction
As part of the City of Auburn (City) 2024 Comprehensive Storm Drainage Plan (Plan) update, Brown and
Caldwell (BC) performed hydrologic and hydraulic (H&H) modeling analysis to evaluate existing drainage
problems and capital solutions. BC performed the analysis with updated existing models and an extended
meteorological time series.
The City initiated an extensive drainage system data inventory and H&H modeling effort to support the
2009 and 2015 Comprehensive Storm Drainage Plans (2009 Plan and 2015 Plan, respectively). After
the 2009 and 2015 Plans, the City refined and developed new H&H models. As a result, 16 storm drainage
system models have been created or refined for areas throughout the City. Each model is identified by the
lettered subbasin drainage area(s) covered with the model extent. For example, the GHI model covers three
subbasins: G, H, and I. Two of the 16 models (BCDF and GHI) were calibrated as part of the 2015 Plan and
then updated after the 2015 Plan with new stormwater infrastructure, refined subbasin delineations, and
refined calibration with monitored flow data.
The City reviewed the projects from the 2015 Plan and other more recent potential projects considered on
behalf of this Plan. Of these, six potential projects were chosen for H&H modeling to evaluate whether they
should be included as capital improvement projects (CIP) in the 2024 Plan.
Table B-1 summarizes the potential projects modeled as part of the 2024 Plan.
2024 !
Project IDt Project Name
CP2116 R Street SE Widening - 22nd Street SE to
�33rd Street SE
9 130th Street NE Area Flooding, Phase 2
30th Street NE Area Flooding, Phase 3
Subbasin Model Project Description and Status
Name
AZ, and R Stormwater capacity project evaluated as part of a comprehensive
roadway improvement project. Currently at 60% design.
Stormwater capacity capital improvement project (CIP) identified in the
2015 Plan (2015 Plan CIP ID is 4A).
Minor piping improvements in 2018 may have reduced flooding problem.
West Hilts Drainage Improvements near SiNo el
314th Street & 54th Avenue S
11 Christa Ministries Facility Retrofit GHI
mvater capacity CIP previously identified in the 2015 Plan (2015
CIP ID Is 4B).
to stormwater flows to public conveyance. CIP was previously
ed in 2015 Drainage Plan (2015 Plan CIP ID is 5B).
New water quality improvement CIP identified as part of the 2024 Plan.
17th Street Pond Capacity BCDF New stormwater system capacity improvement project identified as part
of the 2024 Plan.
1 If the project was selected to carry forward as one of the capital improvement projects (CIP) within the 2024 Plan, it was given a numerical ID ranging from 1 to 16. Projects
that were included within the City's capital facilities plan (CFP) follow the format of CPXXXX for their project IDs, where the Xs represent numeric placeholders. Line items
with neither a CIP ID on behalf of the 2024 Plan, nor a CFP ID were evaluated as part of the modeling effort but were not chosen to carry forward as a 2024 CIP or within
the CFP.
Brown.No Caldwell
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Hydrologic and Hydraulic Modeling for Capital Improvement Projects
Section 2: Input Data and Model Updates
This section describes updates to the precipitation record and H&H models used to evaluate the potential
projects listed in Table B-1.
2.1 Precipitation Record Extension
Auburn's H&H models use historical meteorological data to estimate stormwater flows and storage within
the City's storm drainage system. The data consists of monthly evaporation and 15-minute precipitation
depths. As part of the 2024 Plan, BC extended the 15-minute precipitation record to September 30, 2022,
creating a 75-year precipitation record.
The Auburn precipitation record used for modeling is a composite from several rain gauges. The preferred
rain gauge is located at Auburn City Hall and is maintained and operated by King County (King County 2022).
Rainfall is used from other gauges when the City Hall gauged data is not available. Table B-2 summarizes
the data sources for the composite precipitation record.
Source
Period
SeaTac Rainfall from WWHM2012 10/01/1948 00:00 to
11/30/2007 23:45
Notes
Lakeland Hills 12/01/2007 00:00 to SeaTac 15-minute data notrepresentative of Auburn houdy data.
12/06/2007 23:45
SeaTac Rainfall from WWHM2012 12/07/2007 00:00 to
12/31/2009 23:45
City of Auburn15-minute rainfall '01/01/2010 00:00 to
112/31/2010 23:45
City of Auburn aggregated 5-minute 101/01/201100:00 to 11/14/2012
Lakeland Hills 111/14/2012 to 12/05/2012
City of Auburn aggregated 5-minute 112/05/201100:00 to
30/2022 23:45
WWHM2012 - Western Washington Hydrology Model
2.2 Model Refinement
Ity Hall rain gauge efror (rain gauge top blew off).
Auburn's H&H models have been updated and refined since the calibration efforts performed on behalf of
the 2015 Plan. Updates include refining basin delineation and adding storm drainage features (conveyance
and structures) from recently constructed projects. Four subbasin models were updated as part of the
2024 Plan or under a separate modeling contract, GHI, BCDF, AZ, and R. The model updates are described
below. Figure B-1 shows the four subbasin models updated as part of the 2024 Plan relative to the
City extent.
Brown-,, Caldwell :
Page 484 of 769
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Hydrologic and Hydraulic Modeling for Capital Improvement Projects
Figure B-1. Subbasin Models Updated on Behalf of Auburn's 2024 Comprehensive Storm Drainage Plan
2.2.1 GHI Subbasin Model
Since the 2015 Plan, BC has updated the calibrated GHI subbasin model with new stormwater projects at
the City of Auburn Airport and used updated geographic information system (GIS) data to refine subbasin
boundaries in the vicinity of the Brannan Park pump station.
Airport Area Updates. Model updates at the airport include those associated with CP1516 Runway
16-34 Extension and Change Order #2 and CP2118 North Airport Stormwater Improvements Phase 2.
Key model updates from these projects included:
Adding new impervious area, refining subbasin boundaries, and adding ChamberMaxx stormwater
detention for the 16-34 runway extension.
Isolating Pond I and the low elevation area (north hangar area) on airport property from the stormwater
system in 30th Street NE so that high flows in the 30th Street NE system do not backwater to the pond
and flood the low north hangar area.
Making better use of storage in Pond I by reconfiguring connecting airport property stormwater pipes.
• Filling in Pond F and routing the Corporate Park Pump Station flows to Pond G.
Brown --Caldwell
DRAFT for review purposes only. Use of contents on this sheet is subject to the limitations specified at the beginning of this document Page 485 of 769
Hydrologic and Hydraulic Modeling for Capital Improvement Projects
Brannan Park Pump Station Area Updates. BC refined the GHI model in the vicinity of Brannan Park Pump
Station. Upstream of the pump station near I Street NE and 32nd Place NE, new storm pipe was added that
routes roadway runoff to the main trunk line in 30th Street NE. Downstream of the pump station, the model
was updated from a simplified outfall to a force main connection to the outfall at Reddington wet
biofiltration swale.
2.2.2 BCDF Subbasin Model
BC updated the calibrated BCDF model to reflect recent or imminent stormwater conveyance projects.
CP1726-2019 Local Street Reconstruction As-Builts (M Street between 25th Street SE and
29th Street SE, and 28th Street SE between M Street SE and T Street SE). This project was part of a
street improvement project that helped improve conveyance capacity. The project included new pipe
alignments and changes to the drainage basin delineation adding 7 acres to the B subbasin from the
adjacent AZ subbasin.
CP1614-2017 Local Street Reconstruction and Preservation As-Builts (R Street from 28th Street SE to
25th Street SE, 28th Street SE from R Street SE to T Street SE and portions of T Street SE, U Street SE,
27th Street SE and 26th Street SE). This project was part of a street improvement project that helped
improve conveyance capacity. The project resulted in a new pipe alignment and changes to the drainage
basin delineation. In addition, approximately 1.9 acres of the CIP1614 project is routed to infiltration
facilities. The effective impervious area of the model was reduced by the amount of area routed to
infiltration pipes and facilities.
• CP2125-D Street SE and 23rd Street SE Storm Improvements 90% Submittal. This project, identified
as Project 7 and Project 8 in the 2015 Plan, will improve system capacity by constructing new
conveyance in D Street SE (Project 7) from 27th Street SE to 21st Street SE, in 21st Street SE near
D Street SE and in 25th Street SE near D Street SE. Improvements in 23rd Street SE and K Street SE
(Project 8) were included in the plan set but may not be included in the imminent bid set. However,
Project 8 improvements were included in the model update to reflect ultimate post -project conditions.
These include conveyance improvements in 23rd Street SE near F Street SE and in K Street SE between
23rd Street SE and 21st Street SE.
2.2.3 AZ Subbasin Model
BC updated the uncalibrated AZ model to reflect recent improvements associated with CP1726 and CP1614
projects described above.
2.2.4 R Subbasin Model
BC updated the uncalibrated R basin model conveyance, hydrologic parameters, and basin delineation to be
current with other adjacent models (AZ subbasin model). The City has not used the R Basin for any existing
or proposed condition evaluations since the subbasin model was developed as part of the 2009 Plan.
2.3 Flow Frequency and Design Storms
After the basin models were updated to reflect existing and imminent CIP conditions, a frequency analysis
was completed for each model by performing a long-term simulation (from 1948 to 2022). The long-term
flow timeseries were then used to determine the 2% and 4% exceedance storms (one-in-50-year and one-in-
25-year flows, respectively) per subbasin model. These storms are used as design storms to evaluate the
potential projects listed in Table B-1.
For the long-term simulations, the hydraulic networks of the models were modified so that there were no
restrictions to flow and there was free discharge at outfalls. As a result, all simulated runoff could be
conveyed without substantial system storage and attenuation.
Brown —Caldwell
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Hydrologic and Hydraulic Modeling for Capital Improvement Projects
The event peak flows from the simulations were selected in PCSWMM' using two event -based criteria:
Minimum inter -event time (time between peak storms) of 12 hours and a flow threshold (varies by subbasin).
The peak flows were ranked, and the flow frequencies were established with estimators derived from
Cunnane plotting position formulae. The events associated with the 25-year peak flows were used to size
storm drainage conveyance to meet the relevant level of service. The results of the flow frequency analysis
for the GHI, BCDF, AZ, and R subbasin models are provided in Tables B-3, B-4, B-5, and B-6, respectively.
Table B-7 lists the storms that generated the 100-, 50-, and 25-year flows for the subbasin models.
Flow frequencies are unique to each subbasin because of the different hydrologic and hydraulic
characteristics of each subbasin. As a result, the storms associated with the return periods are different for
each basin.
Peak flow ranklEvent start date/time;Peak event flow (cubic feet per second) a Return period (year)
i
1
10/20/2003 4:30
123.7
''1105.0
2
9/18/202115:25
i88.6
46.4
3
11/6/2006 0:20
88.5
28.5
4
1/9/ 1990 4:35
87.4
20.6
5
11/18/200310:25
86.0
16.1
6
11/4/200615:15
84.4
13.3
7 �11/24/19904:50
80.1
11.2
8 10/5/198123:20
76.4
9.8
a- Peak flow measured at inflow
to Brannan Park
pump station.
Peak flow rank,Event start date/timejPeak event flow (cubic feet per second) a;Return period (year)
1
10/20/2003 4:15
109.6 125.3
94.5 47.0
73.8 28.9
61.3 20.9
45.5 16.3
44.6 13.4
39.9 :11.4
39.5 9.9
to 17th Street Pond.
2
11/6/20060:20
3
1/9/ 1990 4:30
4
10/5/198123:15
5
11/4/ 199819:30
6
7
8
a. Peak
11/4/200616:05
11/ 18/200310:25
11/24/19904:45
flow measured at inflow
1 PCSWMM is a GIS-based hydraulic and hydrologic modeling platform developed by Computational Hydraulics International
(CHI). The software fully supports the Environmental Protection Agency (EPA) SWMM5 hydrology and hydraulics engine, thus
providing comparable computation between EPA SWMM and PCSWMM models. Information about PCSWMM software can
be found at http://www.chiwater.com/Software/PCSWMM/index.asp.
Brown ANo Caldwell
5
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Hydrologic and Hydraulic Modeling for Capital Improvement Projects
Peak flow ran
Event start date/time
Peak event flow (cubic feet per second) a Return period (year)
1
9/18/202115:20
35.8 125.3
33.1 47.0
2
10/20/2003 4:25
9/7/2019 20:40
3
32.7 28.9
32.3 20.9
16.3
31.15 13.4
131.08 11.4
1.07 19.9
to 36th Street Pond at M Street.
4
9/12/20041:20
5
11/4/1998 19:2032.2
6
11/4/200615:15
7
1/9/ 1990 4:45
8
12/ 14/ 1979 21:05
a. Peak
flow measured at inflow
Peak flow ranklEvent start date/time'Peak event flow (cubic feet per second) 8111etu
1
9/18/202115:15
27.7
2
9/7/2019 20:35
26.3
47.0
3
10/20/2003 9:20
25.5
25.0
23.7
23.1
23.0
22.8 19-9
28.9
4
9/12/20041:15
20.9
5
12/14/197921:00
16.3
6
7/6/201818:30
13.4
7
11/4/200615:10
11.4
8
1/9/ 1990 5:00
a. Peak flow measured at outfaIt to White River at R Street and 37th
100-year '50_year
Peak Flow Duration P
(hour) D
Basin Start Date Start Date (t
GHI ,, , 9/ 18/2021 1
25-year
3k Flow Peak Flow Duration Flow Measurement Location
ration (hour)
Start Date
i11/6/2006 38
BCDF
10/20/2003
120
11/6/2006
117
1/9/1990 8
AZ
R
9/18/2021
1
1
10/20/2003 16 9/7/2019
9/7/2019 1 10/20/2003
11
9/18/2021
11
2.4 Potential Project Evaluations
Inflow to Brannan Park Pump
Station
Inflow to 17th Street Pond
Inflow to 36th Street Pond
Outfall to White River at R Street
Of the six projects considered for inclusion in the 2024 Plan (see Table 13-1), two were evaluated with the
updated subbasin models and considered viable projects. Another two were evaluated but considered not
viable because the proposed project would provide little improvement to capacity or reduce conveyance
capacity. The City initially decided to defer the remaining two projects to the next planning period, so BC did
not evaluate them. However, after reevaluation, the City decided to include one of these two projects, the
30th Street NE Area Flooding, Phase 2 project, as a CIP in the 2024 Plan.
Brown ANo Caldwell
6 Page 488 of 769
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Hydrologic and Hydraulic Modeling for Capital Improvement Projects
Table B-8 lists the potential projects, associated model(s), and status.
2024 Project Associated Model
ID1 Prolect Name flame Project Evaluation Status
CP2116 IR Street SE Widening - 22nd Street SE to 33rd Street SE JBCDF, AZ, and R
Evaluated and included in 2024 Plan.
11 IChrista Ministries Facility Retrofit
30th Street NE Area Flooding, Phase 3 GHI
"- Evaluated and not included in 2024 Plan.
17th Street Pond Capacity BCDF
West Hills Drainage Improvements near S 314th Street & 54th Not evaluated. Deferred to later planning
Avenue S No model
period.
9 30th Street NE Area Flooding, Phase 2 jGHI Not evaluated but included in 2024 Plan.
1 If the project was selected to carry forward as one of the capital improvement projects (CIP) within the 2024 Plan, it was given a numerical ID ranging from 1-16. Projects
that were included within the City's capital facilities plan (CFP) follow the format of CPXXXX for their project IDs, where the Xs represent numeric placeholders. Line items
with neither a CIP ID on behalf of the 2024 Plan, nor a CFP ID were evaluated as part of the modeling effort but were not chosen to carry forward as a 2024 CIP or within
the CFP.
2.4.1 Included Projects
2.4.1.1 CP2116-R Street SE Widening - 22nd Street SE to 33rd Street SE
The R Street SE Widening project CP2116 is currently in design and estimated to begin construction
in 2025. The project will improve the R Street SE/29th Street SE intersection, add a new southbound lane
from 22nd Street NE to 33rd Street NE, and provide new roadway surface from 22nd Street SE to the White
River bridge. As part of the project, the City is improving underground utilities as needed, including storm
drainage, sewer pipe, and water lines.
The project lies within three drainage subbasins (B, A, and R subbasins) and, as a result, is represented in
three of the City's subbasin models (BCDF, AZ, and R). Figure B-2 shows the project extent and the modeled
subbasin delineation.
Brown AND Caldwell
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Hydrologic and Hydraulic Modeling for Capital Improvement Projects
Legend
Junctions
outfalls
Surface storage,
Ponds. Wetwells
Conduits
Othet Pipes
R St SE Protect
Subbasins Areas
R Subbasin
AZ Subbasin
BCDF Subbasin
35 00 ft -
Figure B-2. R Street SE Widening Project Subbasins
BC evaluated the project at the 60% design phase with the 25-year storm flows developed for the BCDF, AZ,
and R subbasin models. For all three model evaluations, the design storm simulation showed flooding within
the project area resulting from downstream backwater. City staff recommended sizing the R Street SE
project pipes assuming downstream impacts are alleviated as part of a future CIP. This evaluation resulted
in increased pipe sizes for the R Street SE Project and the identification of the need for a future
downstream CIP.
Figures B-3 through B-8 show the plan and profile for the 25-year design storm of the R Street SE Widening
project and the future CIP needed to alleviate flooding in the project area from backwater. Table B-9
summarizes the recommended pipe sizes for the R Street SE Widening project and the future CIP.
Brown --Caldwell
s
Page 490 of 769
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Hydrologic and Hydraulic Modeling. for Capital Improvement Projects
\1
Legend
•'+�*
• No Flood.np
—I I \.
• FloodN
-
Oudaus
Storage. Ponds.
Werwahs
Conduits
Modebd Pipes
OM.,
R Sr SE Porl-t
Future CIP
4•-- --i
—�l r
-
9CDF Subcaichments
Figure B-3. Plan View of R Street SE Widening and Future CIP (BCDF Subbasin Model,
25-year storm flows [1/9/19901)
Figure B-4. Hydraulic Grade Line Profile View of R Street SE Widening and Future CIP (BCDF Subbasin Model,
25-year storm flows [1/9/1990])
BrownAND Caldwell
9
DRAFT for review purposes only. Use of contents on this sheet is subject to the limitations specified at the be8wtuumg of this documer; Page 491 of 769
Hydrologic and Hydraulic Modeling for Capital Improvement Projects
Imo'-1 '-r'-I
Legend
0 Flood"
_ ^'
-
..+. d�-.-ice r:11.+''�r.�a.'� ,.. k+h r+✓+u�
-
COndudS
'•
Futwecip
-
r
\\\�
R ST SE Project
0 suEoatcnmants
_---�•'�,�•
!'tit
�{
� _
.��4
a."
•at ..
,- •,►� F'
x
L A&
Figure B-5. Plan View of R Street SE Widening and Future CIP (AZ Subbasin Model, 25-year storm flows [9/7/2019])
'INION Ulm,
Figure B-6. Hydraulic Grade Line Profile View of R Street SE Widening and Future CIP (AZ Subbasin Model,
25-year storm flows [9/7/20191)
BrownANo Caldwell
10 Page 492 of 769
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Hydrologic and Hydraulic Model ingfor Capital Improvement Projects
Legend
Jlm W-
• No flooding
• Flooding
♦ Oudass
Conduds
R ST SE RajKt
Fusin CS'
M SubC✓1tOb11 WO
� y�v
77
Figure B-7. Plan View of R Street SE Widening and Future CIP (R Subbasin Model, 25-year storm flows [10/20/2003])
Figure B-8. Hydraulic Grade Line Profile View of R Street SE Widening and Future CIP (R Subbasin Model,
25-year storm flows [10/20/2003])
BrownANo Caldwell
11
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Hydrologic and Hydraulic Modeling for Capital Improvement Projects
25-year Design
Street Subbasin Storm Start 2024 CIP Recommendations Future CIP Recommendations
Location Model Name Date
R Street SE
from 28th Upgrade pipe from 12-inch diameter to 18-inch Upgrade pipe from 18-inch diameter to 24-inch
Street SE to diameter in 21st Street SE from R Street SE to M
25th Street SE diameter in R Street SE from 28th Street SE to Street SE
BCDF 1/9/1990 25thStreet SE
R Street SE Upgrade pipe from 18-inch diameter to 24-inch Upgrade pipe from 24-inch diameter to 36-inch
from 25th diameter in 1st Street SE diameter in 21st Street SE from M Street SE to K
Street SE to Street SE
22nd Street SE
Upgrade pipe from 10-inch diameter to24-Inch
diameter in 29th Street SE from R Street SE to M
'Street S E
R Street
from 28thE Upgrade pipe from 10-inch diameter to 24-inch 'Upgrade pipe from 18-inch diameter to 24-inch
AZ 9/7/2019 diameter in R Street SE from 28th Street SE diameter in M Street SE from 29th Street SE to 32nd
Street SE to south to approximately 225 ft of 29th Street SE jStreet SE
29th Street SE
Upgrade pipe from 24-inch diameter to 30-inch
(diameter in M Street SE from 32nd Street SE to 37th
'Sty reetSE
Upgrade pipe from 10-inch/12-inch diameter
018-inch diameter in R Street SE from 31st
33rd Street SE Street SE to 34th Street SE Upgrade pipe from 18-inch diameter to 24-inch
to White River R 10/20/2003 Idiameter south of 37th Way SE to the White River
Outfall Upgrade pipe from 12-inch diameter to 24-inch ''outfall
diameter in R Street SE from 34th Street SE to
37th Way SE
2.4.1.2 CIP 11- Christa Ministries Facility Retrofit
The Christa Ministries Facility Retrofit project is a retrofit of an existing Swale resized to meet the water
quality flow volume for flows discharging from the Brannan Park pump station. Currently, the Swale is part of
a wetland and detention pond system on a City -owned parcel.
Modeling efforts for the project consisted of estimating the water quality flow volume discharged from the
Brannan Park pump station force main using the Continuous Simulation Method from the 2019 Stormwater
Management Manual for Western Washington (2019 SWMMWW) (Ecology 2019). The 2019 SWMMWW
describes the methodology as "Using an approved continuous runoff model, the water quality design volume
shall be the simulated daily volume that represents the upper limit range of daily volumes that accounts for
91% of the entire runoff volume over a multi -decade period of record."
BC ran the existing conditions GHI model for the 1949 to 2022 period of record to generate daily flow
volumes from the Brannan Park pump station. To determine the 91% flow volume, BC removed the days
without flow from the daily record and then used the Excel function PERCENTRANK.EXC to determine the
rank percentile for each day's flow volume (100 to 0). The Excel formula PERCENTILE.INC was then used to
return the flow volume associated with the 91% rank. The resulting water quality flow volume is
375,448 cubic feet or 8.6 acre-feet.
2.4.2 Excluded Projects
Two potential projects were evaluated with H&H models and determined to be not viable because the
proposed changes did not provide sufficient benefit or exacerbated simulated downstream flooding
conditions during design storms.
Brown Ago Caldwell
12
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Hydrologic and Hydraulic Modeling for Capital Improvement Projects
2.4.2.1 30th Street NE Area Flooding, Phase 3 (2015 Plan CIP ID 413)
The 30th Street NE Area Flooding, Phase 3 project was identified in the 2009 and 2015 Plans to reduce
flooding along C Street NE between 30th Street NE and 37th Street NE in the GHI subbasin. The area
experienced significant flooding during the December 3, 2007, storm and previous model results indicate
the system's capacity may be limited by low pipe gradient and shallow inverts. The proposed project would
collect stormwater from C Street NE in a new larger and higher gradient pipe and then pump flows to the
42-inch-diameter trunk line in 30th Street NE. The force main connection to the 30th Street NE pipe is also
where the airport stormwater system connects to the 42-inch-diameter trunk line.
BC evaluated the impact of this project on the hydraulic grade line (HGL) in the 30th Street NE trunk with the
updated GHI subbasin model (update described in Section 2.2) for the 25-year design storm (11/6/2006).
The project raised the simulated HGL in the 30th Street NE trunkline by approximately 1 foot, which resulted
in flooding at the airport property's lowest inlet rim (409-151) near the north hangar. In addition, Figure B-9
shows the airport property flooding that resulted from the project. Figure B-10 compares the HGL in the
30th Street NE trunkline with and without this project.
Because of the simulated flooding during the design storm and the lack of reports of flooding on C Street NE
since the December 2007 storm, the City opted to remove the 30th Street NE Area Flooding, Phase 3 project
from consideration in the 2024 Plan.
Figure B-9. Flooding impacts of 30th Street NE Area Flooding, Phase 3 Project at the Airport Property Low Area
(catch basin 409-151)
BrownANo Caldwell
13
Page 495 of 769
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Hydrologic and Hydraulic Modeling for Capital Improvement Projects
GMT RRN CLP. --- �Mi_'ll'1 EwE1Cam
Nod. —01 —ICI 'DEC1111 -N; msl';S —0 aH-CIM tlf.(W,CIISl O 11 a .0 I- tl (/tit 0-CNIV 4n C11:1 O V.M CIIn —CUN of-f, 1115 O 11110 o I1W
Figure B-10. Hydraulic Grade Line in 30th Street NE (from the Airport Property to I Street NE)
Comparison of Existing Conditions and Proposed Conditions from the 30th Street NE Area Flooding, Phase 3 Project
2.4.2.2 17th Street Pond Improvements Project
The 17th Street Pond is one of several infiltration ponds in the BCDF subbasin. Currently, the control
structure manhole for the 17th Street Pond is in the right-of-way (ROW) downstream of the pond outlet pipe.
The standpipe portion of the control structure is dislodged, allowing stored water to discharge from the pond
without control. Also, without the standpipe, model simulations show that downstream capacity limitations
during large events cause water to back up in the system and into the ponds, allowing the pond to act as
backwater storage. Prior to repairing the pond control, the City asked BC to review several scenarios to
optimize the storage and operation of the 17th Street Pond to help reduce flooding in the downstream
system, specifically at the low area near the intersection of Auburn Way S and the State Route (SR) 18
overpass. To help compare existing and proposed conditions, BC modeled several 17th Street Pond
configurations:
1) Scenario 1: Outlet control as designed (control structure in ROW).
2) Scenario 2: Outlet control under current conditions (no control structure).
a) Scenario 2a: Scenario 2 plus an increase in pond volume.
b) Scenario 2b: Scenario 2 plus double the pond volume (as a sensitivity test only, does not represent
space available to expand pond).
3) Scenario 3: Outlet control moved inside pond.
a) Scenario 3a: Scenario 3 plus an increase in pond volume by replacing sloped sides with walls around
the entire pond perimeter.
Brown AND Caldwell
14 Page 496 of 769
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Hydrologic and Hydraulic Modeling for Capital Improvement Projects
Figure B-11 shows the HGL in Auburn Way South at the SR 18 westbound off ramp for the various scenarios.
The HGL varies slightly between the scenarios. Figure B-12 shows the flooding rate and volume during the
25-year storm for the scenarios at the low area. The difference in the amount of flooding between the
scenarios is minimal.
-- B ----' 1711, STPoM_S111 BCD:_17thSTPond Scn2 -- BCDF 17thSTPorA- Scn2a BCDF 17th$TPonE_Scn7 BCDF 17thSTPond_Scn3a
I
A Street SE and 6th
Street SE
61
a
Y
Figure B-11. Comparison of Hydraulic Grade Line in Vicinity of Auburn Way South and SR 18
Westbound Off -Ramp Intersection for Evaluation Scenarios
Brown-o Caldwell
15
Page 497 of 769
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Hydrologic and Hydraulic Modeling for Capital Improvement Projects
System BCDF_17thSTPond_Scn2b System BCDF 171hSTPond_Scn2
System BCDF_17thSTPonO Scn3a System BCDF_17thSTPond Scn3
- 809-833 BCDF_I7thSTPond_Scn1 809-833 BCDF_17MSTPond_Scn2
- 809-B33 BCDF_17thSTPond_Scn3
B T-1�(II�•Mn•...•-- - .... .�1.nn..11t111�1) I��II ('Ir� t�'III�I�I�IIIII
0.2 �)
oa
0.6
m
08
` t.0
m
a
1.2
System BCDF_17thSTPond_Scnt System BCDF_17thSTPond_Scn2a
809-B33 BCDF_17thSTPontl_Scn2b 809-833 BCDF_17thSTPond_Scn2
a - 809-B33 BCDF 17thSTPontl Scn3a
I�III�IIII'll I IIIn•111tP....ne......�p..mnv......., lllf-Tom.....
6PM 9PM 9Tus 3AM 5Ab+ 9A:• 12PM 3PM
Jan 8 Mon 1990 Cate Tine
Figure B-12. Flooding at Low Inlet (809-633) near Auburn Way South and SR 18
Westbound Off ramp Intersection for Evaluation Scenarios
Brown AND Caldwell
16 Page 498 of 769
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Hydrologic and Hydraulic Modeling for Capital Improvement Projects
References
Brown and Caldwell. 2009. City of Auburn Comprehensive Stormwater Drainage Plan, amended December 2011. Prepared
for the City of Auburn by Brown and Caldwell.
Brown and Caldwell. 2015. City of Auburn Comprehensive Stormwater Drainage Plan. Prepared for the City of Auburn by
Brown and Caldwell.
Ecology (Washington State Department of Ecology). 2019. Stormwater Management Manual for Western Washington.
King County. 2022. Hydrologic Information Center. Last updated November 2, 2016.
https".//green2.kingcounty.gov/hydrology/GaugeMap.aspx. Accessed October 5, 2022.
Brown ANo Caldwell
17 Page 499 of 769
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Appendix C
Asset Management Evaluation
Appendix C
City of Auburn
1. Condition Assessment and Data Gaps Analysis
1.1 Existing Conditions
The City uses Cartegraph, a computerized maintenance management system (CMMS), to manage its
active asset inventory. Cartegraph may be used to develop work requests, document the time and
cost of the work performed, keep track of resources available, and produce reports of various kinds
related to asset management. The City uses a Cartegraph mobile app during field assessments, but
any further updates/changes to the asset is done on the desktop in a geographic information
system (GIS). The City assured that the information between GIS and Cartegraph is universal for
active assets.
Figure C-1 shows the City's Cartegraph Asset dashboard. The type and count of stormwater assets
within the City's asset inventory is listed on the lefthand side of the figure. Each stormwater asset
has several attributes that may be tracked and documented alongside the feature. Some assets
have an overall condition index (OCI) rating set up in Cartegraph. However, it is not universal to
all stormwater assets, and the City expressed interest in reviewing and revising how the rating
was generated.
City field staff noted the Cartegraph mobile app allows users a few options for scoring or making
notes, but not all conditions can be accurately noted in the field. For example, one staff member
noted that an aspect of a pipe was observed to be failing in the field, but since the failure condition
wasn't explicitly asked for in the Cartegraph mobile app, the condition was rated as 100% (signifying
an excellent condition). Staff must ensure the conditions are accurately conveyed and update them
as necessary after returning from the field.
June 2024 1553-1931-052 C-1
Page 501 of 769
Appendix C
City of Auburn
Figure C-1. City's Cartegraph Asset Dashboard and Stormwater Asset Inventory
Screenshot was taken June 4. 2024. Because most of the asset management review was performed more than 6 months prior to taking the screenshot, it is likely there may be some
differences in total asset count shown in Figure C-1 and total counts reported elsewhere in this document.
C-2 Page 502 of 769 June 2024 1553-1931-052
Appendix C
City of Auburn
1.2 Critical Attribute Data
One of the goals of this evaluation is to develop criteria for preparing a criticality and risk analysis for
the City's stormwater assets. This involved preparing a method for scoring the likelihood of failure
and criticality of failure of each type of asset. The likelihood of failure score reflects the expected
asset condition based on specified attributes, and the criticality of failure score is demonstrative of
the anticipated response should the asset fail.
Each stormwater asset was reviewed, and the criteria necessary for developing its scores was
determined based on professional judgment and considered the data available. Some asset types
were grouped together because they were anticipated to require similar levels of
management/maintenance from the Storm Drainage Utility. Other asset types listed in Cartegraph,
specifically fences, infalls, outlets, meters, and auxiliary equipment, were not grouped because they
are linked to one of the greater asset types reviewed and should be assigned the same likelihood of
failure and criticality of failure as the greater asset it is linked to (as work/inspection is anticipated to
occur at the same time).
Another asset type listed in Cartegraph, Storm Channels (ditches), was not assigned criteria for
criticality scores either because its condition is based on maintenance and will not be repaired or
replaced (see the Ditch Maintenance and Operations Program).
Details regarding the critical attributes used in assigning the criticality scores are listed below.
Scoring is discussed in the Criticality Review section.
■ Age: Based on the installation date of the asset (current year minus installation year).
■ Useful life: The expected amount of time an asset is expected to perform its function. Based
on either the material (pipes, culverts, network structures) or type of asset (pumps, ponds).
Useful life estimates are given in the Criticality Review section.
■ Previous inspection data: The previously inspected condition of the asset.
■ Proximity to critical facilities: Based on a GIS analysis where a buffer was placed around
critical facilities within the City. Assets were assumed to have a higher criticality of failure if
they were closer to a critical facility.
■ Adjacency to critical roadways: Based on a GIS analysis where a buffer was placed around
critical roadways within the City. Assets were assumed to have a higher criticality of failure if
they were adjacent to a critical roadway.
■ Adjacency to priority roadways: Based on a GIS analysis where a buffer was placed around
priority roadways within the City. Assets were assumed to have a higher criticality of failure if
they were adjacent to a priority roadway.
Table C-1 lists the recommended criteria to consider in calculating the likelihood of failure and
criticality of failure scores for each category of stormwater asset.
June 2024 1553-1931-052 C-3
Page 503 of 769
Appendix C
City of Auburn
Table C-1. Recommended Criteria for Calculating Criticality Scores of Stormwater Assets
Asset Name in Cartegraph
Asset Category
Likelihood of Failure
Attributes
Criticality of Failure
Attributes
Proximity to critical facilities
Age
Adjacency to critical
Storm Pipes
Pipes
Useful life
roadways
Previous inspection data
Adjacency to priority
roadways
Proximity to critical facilities
Age
Adjacency to critical
Storm Culverts
Culverts
Useful life
roadways
Previous inspection data
Adjacency to priority
roadways
Proximity to critical facilities
Installation date
Adjacency to critical
Storm Pumps
Pumps
roadways
Useful life
Adjacency to priority
roadways
Street Tree Grates
Proximity to critical facilities
Age
Adjacency to critical
Storm Manholes
Network structures
Useful life
roadways
Storm Catch Basins
Previous inspection data
Adjacency to priority
roadways
Storm Facilities
Proximity to critical facilities
Storm Det WQs
Installation date
Adjacency to critical
Ponds
roadways
Type
Adjacency to priority
roadways
1.3 Data Gaps
After the critical attributes were identified for stormwater assets, a data gaps analysis was
performed to see what needed to be addressed. This followed a previous effort led by the City to
address data gaps in its stormwater asset inventory using a high precision antenna. As there were
several stormwater assets, stormwater pipes and culverts were used as examples to demonstrate
the completeness of the asset inventory.
Figure C-2 shows the distribution and availability of data for several attributes in the pipe dataset
(namely, material, size, start elevation, and installation date). Figure C-3 shows the same for the
culvert dataset (with the addition of end elevation). The figures demonstrate a fair amount of the
attributes reviewed had <Null> entries. Most significantly, stormwater pipes are missing
approximately 10% of their installation dates, while culverts are missing 75%.
Installation date was deemed to be a critical attribute for all of the stormwater assets in determining
criticality scores. Lacking this attribute would then have the potential to prioritize an asset for work,
even if it were expected to have been installed recently (and more likely to be in good condition),
over an asset that is expected to have been installed 50 years ago. The goal of the criticality review
is to simplify and provide reasoning for the prioritization of work, so it was deemed beneficial to
perform a desktop GIS analysis to provide placeholder estimates for installation year. The
stormwater pipe dataset was used for this process.
C-4 June 2024 1553-1931-052
Page 504 of 769
Appendix C
City of Auburn
A copy of the stormwater pipes layer was made, and a new attribute column created for the
estimated installation date. This was to make sure that the estimated installation dates entered
could be distinguished from the installation dates in the dataset previously. Professional judgment
was used to estimate installation dates by considering adjacent infrastructure, parcel build -out years,
and historical imagery, as needed. Another attribute column was also created to provide notes as to
why the estimated installation date was chosen for that feature. In this way, the remaining pipe
dataset was assigned estimated installation dates and used to carry forward in the criticality review.
June 2024 1553-1931-052 C-5
Page 505 of 769
Appendix C
Ciry of Auburn
ON (maw w)
Pipe W3e1
M train
S1Emnfre t
Now ta6E6
SLrn 10-4
338
3 ----�
s
ADS
n
a
p7
CM IRON
S
6
542
Cur
15
7
1
CMP
lots
6
2314
CONLAETE
3212
to
234
CPEP
1506
12
8012
DUCTILE IRON
13W
is
S71
eDPE
99
16
is
LOPE
12
25
Saal
PERrO1UTED
a
20
3
P0LIrrWLENE
11
21
221
PVC
6663
22
3
RCP
710
24
722
RPVC
a
26
2
STEEL
1
17
12
Grano TMd
_
150Q2
2R
2
29
3
;I7
21111
36
293
22
116
48
66
49
1
Sa
A
57
2
60
d
M
3
71
2
72
9
77
2
78
2
e1
2
67
a
95
;
%
S
1(W
4
117
3
120
1
242
1
SNWI
I
G W That
ILM
SEUVATION ..t IPYlloos)
Ppl>r!➢ Nilhovl 51aR •kvali—
Sam of C..A
_ _.. _ 331s
R35TAtl[D WuA_
ytpes WElnul iMap dA&
iRRd011rtrt
1523
Figure C-2. Stormwater Pipe Attribute Data Available in Cartegraph
Note: Attribute data were reviewed prior to capturing a screenshot of Cartegraph (Figure C-1). hence there may be some differences in asset count.
G6 June 2024 1 553-1931-052
Page 506 of 769
Culvert Imatenall
Cu1—t (sere)
Row Labels
Sum of Count
Raw Labels
SM Of COiMt
oD
4- - - -
- - 2
ADS
1
6
9
CASTIRON
2
8
54
CLAY
4
9
2
CMP
183
10
21
CONCRL IL
114
12
864
CPLP
182
14
1
DUCT ILL IRON
I
15
13
11UPt
4
18
134
PVC
9/
20
5
RCP
33
21
1
RPVC
6
24
86
St ELL
1
21
1
UNKNOWN
1
28
3
Grand Total
1379
29
1
30
12
32
1
33
1
36
39
42
3
48
19
49
1
54
8
60
5
66
1
72
3
/6
1
77
1
84
4
96
4
120
1
144
1
180
1
240
1
660
1
a NUR,
61
Grand Taw
1379
Start Llevation (Muttiplr ltrms)
CO-1, without start rlrvatlom
Sum of Count
Installed _ <Nulb __
Cuk,erts wntlrout Install date
Sum or count
it) 1;
End El"ion (Multiple hams)
Culverts without end elevation
Sum ofCount_ _
18S
Appendix C
City of Auburn
Figure C-3. Culvert Attribute Data Available in Cartegraph
Note: Attribute data were reviewed prior to capturing a screenshot of Cartegraph (Figure C-1). hence there may be some differences in asset count.
June 2024 1553-1931-052 C-7
Page 507 of 769
Appendix C
City of Auburn
1.4 Recommendations
The findings from the condition assessment and data gaps analysis resulted in the following
recommendations for the program:
■ City field staff should be able to accurately report/enter asset conditions in the field. If there
are features that are consistently being scored incorrectly due to issues with the Cartegraph
app, this should be reviewed and amended to simplify the entry process from the field.
■ The OCI rating should be reviewed and revised.
■ The likelihood of failure and criticality of failure attributes from Table C-1 should be used as
the criteria for criticality scoring.
■ A similar GIS desktop analysis may be beneficial for other asset types with missing
installation dates. Specifically, culverts are expected to benefit as they were missing 75% of
their installation dates.
Z . Criticality Review
2.1 Likelihood of Failure
To develop the likelihood of failure score, assumptions had to be made regarding the critical
attributes listed in Table C-1.
2.1.1 Useful Life
The useful life estimates based on pipe material are given in Table C-2 below.
Table C-2. Useful Life Estimates for Pipe Material
Pipe Material (Cartegraph)
Description
Useful Life Estimate
<Null>
No material listed
50
ADS
Advanced drainage system (type of high density polyethylene pipe)
50
CAST IRON
Cast iron pipe
75
CLAY
Vitrified clay pipe
100
CMP'
Corrugated metal pipe
50
CONCRETE'
Concrete pipe
100
CPEP
Corrugated polyethylene pipe
�^
50
DUCTILE IRON'
Ductile iron pipe
75
HDPE'
High density polyethylene pipe
100
LCPE
Line corrugated polyethylene pipe
50
PERFORATED
Perforated pipe
50
POLYETHYLENE
Polyethylene pipe
50
PVC'
Polyvinyl chloride pipe
100
C-8 June 2024 1553-1931-052
Page 508 of 769
Appendix C
City of Auburn
Pipe Material (Cartegraph) Description Useful Life Estimate
RCP' Reinforced concrete pipe 100
RPVC Rigid polyvinyl chloride pipe 50
STEEL' Ductile steel pipe 75
1 Useful life estimates were sourced from a similar process performed for the Multnomah County Drainage District. The remaining
materials were not included in this process and were assigned a conservative estimate of 50 years as a placeholder value. This value
may be updated by the City as they see fit.
Useful life estimates can be made in a similar way for culverts and network structures based on their
material. These have not been prepared as a part of this assessment.
Useful life estimates for the ponds category from Table C-1 are given in Table C-3. The possible
components for each type of facility was listed, and an estimate of useful life given using
professional judgment. The most conservative useful life of one of the facility's components should
be used to assign the useful life of the facility. These estimates were given as a basis for developing
a likelihood of failure score for the ponds asset category. The useful life of pumps can be estimated
in a similar manner as shown in Table C-3, but has not been estimated as a part of this assessment.
June 2024 1 553-1931-052 C_9
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Appendix C
City of Auburn
Table C-3. Useful Life Estimates for Ponds (Stormwater Facilities and Detention/Water Quality Treatment Facilities)
Total'
Useful Life of Components Assumption (Years)2
In -
Useful Life
Control
Place
Assumption
Structure
Mechanism
Soil
Media Box
Facility Type
(Years)
Replacement Replacement
Media
Replacement
Vault
Rebuild Notes
<Null>
-
-
-
-
-
- -
BAFFLE OIL/WATER SEPARATOR
20
-
20
-
50
- -
BASIC BIOFILTRATION SWALE
N/A3
-
-
-
-
-
- Maintenance based
BIORETENTION
25
-
-
25
-
-
- Full media replacement
CARTRIDGE FILTER
20
-
Y-
-
-
20
50
- -
CP OIL/WATER SEPARATOR
20
20
50
- -
DETENTION POND
25
25
-
-
-
- Assume 25 years for control structure
DETENTION TANK
25
25
-
-
-
50
- Assume 25 years for control structure
DETENTION VAULT
25
25
-
-
-
50
- Assume 25 years for control structure
FILTER STRIPS
25
-
-
25
-
-
- Full media replacement
FLOOD STORAGE
25
25
-
-
-
-
- Assume 25 years for control structure
HYDRODYNAMIC SEPARATOR
10
-
10
-
-
50
- -
INFILTRATION
20
-
-
20
-
-
- Full media replacement
INFILTRATION POND
20
-
-
20
-
-
- Full media replacement
MODULAR WETLAND
20
-
-
-
20
-
- -
PERMEABLE PAVEMENT
10
-
-
-
-
-
10 -
—
TREE BOX
20
-
-
-
20
- -
WET BIOFILTRATION SWALE
N/A3
-
-
-
-
-
Maintenance based
WET POND
25
25
-
-
-
-
- Assume 25 years for control structure
WET VAULT
25
25
-
-
50
- Assume 25 years for control structure
1 Total useful life is based on the most conservative estimate listed for one of the facility's component parts.
2 Estimates were made using professional judgment regarding the useful life expectancy for the components of each facility. There is not a value listed for each facility for the possible
components as they do not apply to each facility listed.
3 Facilities that do not have a useful life assumption are maintenance based and should be managed as part of routine maintenance rather than a repair and replacement program.
10 June 2024 1 553-1931-052
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Appendix C
City of Auburn
2.1.2 Remaining Useful Life
The remaining useful life is calculated using its age and its useful life, as shown below.
Remaining useful life = asset age — useful life
This is the basis for the likelihood of failure score for the stormwater assets.
2.1.3 Previous Inspection Data
The previous condition of the asset feature was used to make an adjustment to the likelihood of
failure score, if it was available, since this would be the most reliable source of data regarding
its condition.
Thus, the remaining useful life equation would be:
Remaining useful life = asset age — useful life + previous inspection data adjustment
Table C-4 shows the adjustment to the useful life based on the previous OCI assigned. These
estimated adjustments were only considered for stormwater pipes and should be evaluated to see
whether a similar adjustment can be made for network structures. This is not recommended for
ponds and pumps.
Table C-4. Remaining Useful Life Adjustment for Pipes and Culverts Based on
Previous Inspection Data
Overall Condition
Index Description Useful Life Year Adjustment
0 Failed 0
20 Poor 10
40 Fair 20
60 Good 30
80 Excellent 40
2.1.4 Likelihood of Failure Score
Table C-5 shows how the likelihood of failure score was assigned based on remaining useful life. A
score of 5 is the most likely to fail, while a score of 1 is the least likely to fail.
June 2024 1 553-1931-052 C-11
Page 511 of 769
Appendix C
City of Auburn
Table C-5. Likelihood of Failure Score
Useful Life Years Remaining with Updated
Score Description Inspection Results
5 Structure is greater than 25 years beyond useful life and 75
should be prioritized for inspection
4 Structure is past end of useful life and must be inspected -25
3 Structure is nearing end of useful life and should be 0
inspected
2 Failure not expected for 25+ years 25
1 Unlikely failure in foreseeable future 75
2.2 Criticality of Failure Score
To develop the criticality of failure score, assumptions had to be made regarding the critical
attributes listed in Table C-1. Each critical attribute metric was scored independently and then
averaged to result in the criticality of failure score.
2.2.1 Proximity to Critical Facilities
A 1,000-foot buffer was placed around the critical facilities within the City of Auburn in GIS. If any
asset was within 1,000 feet of a critical facility, then its failure was assumed to be most critical. The
score for this assessment is shown in Table C-6 below.
Table C-6. Proximity to Critical Facilities Score
Distance from Critical Facility Proximity to Critical Facilities Score
0-1000 feet 5
Greater than 1000 feet 1
This GIS analysis was only performed for stormwater pipes for this assessment but can be easily
performed for other stormwater assets by applying the same GIS buffer.
2.2.2 Adjacency to Critical Roadways
The roadways considered as critical in this assessment are listed below.
■ Emergency evacuation route.
• Snow plow route.
■ King County Metro bus route.
■ Sound Transit bus route.
■ Pierce Transit bus route.
A buffer was placed around the critical roadways in the City in GIS. If any asset was within this buffer,
it was deemed to be most critical of failure. The score for this assessment is shown in
Table C-7 below.
C-12 June 2024 1 553-1931-052
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Appendix C
City of Auburn
Table C-7. Adjacency to Critical Roadways Score
Distance from Critical Roadway Proximity to Critical Roadways Score
Within right-of-way buffer of critical roadway 5
Outside of critical roadway buffer 1
This GIS analysis was only performed for stormwater pipes for this assessment but can be easily
performed for other stormwater assets by applying the same GIS buffer.
2.2.3 Proximity to Priority Roadways
A priority rank was assigned to the different functional classifications of roads within the City. A GIS
analysis was performed where a buffer was placed around each street. Assets were then assigned a
proximity to priority roadways score equal to the priority rank of the street right-of-way where it lay.
The priority rank (and proximity to priority roadways score) based on street functional classification is
shown in Table C-8 below.
Table C-8. Priority Rank based on Street Functional Classification
Street Functional Classification Priority Rank
ALLEY
4
HIGHWAY
5
LOCAL
3
MINOR ARTERIAL
1�
NON RESIDENTIAL COLLECTOR
2
PRINCIPAL ARTERIAL
1
RAMP
4
- -
RESIDENTIAL COLLECTOR
2
RURAL COLLECTOR
4
#N/A
3
<Null>
3
This GIS analysis was only performed for stormwater pipes for this assessment but can be easily
performed for other stormwater assets by applying the same GIS buffer.
2.2.4 Criticality of Failure Score
The criticality of failure score was calculated by taking the average of the proximity to critical facilities
score, adjacency to critical roadways score, and adjacency to priority roadways score. The criticality
of failure score is summarized in Table C-9 below.
June 2024 1553-1931-052 C-13
Page 513 of 769
Appendix C
City of Auburn
Criticality of Failure
Score
Table C-9. Criticality of Failure Score
Description
Structure has critical facilities <1000 ft away. is adjacent to a critical roadway, and adjacent to a
5 higher priority roadway functional classification
4
1 Structure is not adjacent to critical facilities, critical roadways, or higher priority roadways.
2.3 Results
The criticality of failure and likelihood of failure scores can be summed to create a combined score
or used independently. A spreadsheet was created to score the stormwater pipes inventory using the
methods described above. A screenshot is shown in Figure C-4 below of the first page of results. This
spreadsheet may be used as an example for the other stormwater assets in creating a likelihood of
failure and criticality of failure score.
C-14 June 2024 1553-1931-052
Page 514 of 769
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Appendix C
City of Auburn
2.4 Recommendations
The following actions are recommended after the criticality review:
■ Estimate useful life for culverts, pumps, and network structures
■ Consider whether previous inspection data should be used in adjusted useful life for network
structures
■ Perform GIS desktop analysis needed for the other stormwater assets in Table C-1 based on
the methods described for the criticality of failure score.
■ Enact the criticality of failure and likelihood of failure scores in Cartegraph for stormwater
pipes, then follow suit with the stormwater assets listed in Table C-1.
3. Pipe Depreciation Analysis
The resulting failure scores allow for the City to rank different assets both on likelihood and criticality
of failure. It is recommended to use this ranking strategy to develop an inspection program where
inspections of different types of assets are prioritized based on their rank. The asset inspection
program will serve to fill data gaps, update the likelihood of failure score based on field verification,
and identify asset features requiring repair or replacement. After inspection data are input for an
asset feature, the results of the inspection will supersede the use of estimated remaining useful life
and installation date (where applicable) in calculating a likelihood of failure score. Using this system
to prioritize maintenance allows resources to be used more efficiently and fills in data gaps resulting
in a more robust asset inventory.
3.1 Inspection of Pipes, Culverts, and Network Structures
For the City's pipe system, the recommended program would prioritize inspection based on likelihood
of failure and then criticality of failure. In this way, pipes with likelihood of failure scores greater than
or equal to 4 (or a negative useful life estimate) will be inspected first. The next tier of inspections
should address pipes with likelihood of failure scores equal to 3 and pipes with unknown installation
dates. After pipes are inspected, they should be assigned a condition score, which will supersede the
installation date and useful life expectancy in determining the likelihood of failure. The likelihood of
failure for a pipe will increase over time, and this prioritization method will take this into account
while integrating field inspection data. Table C-10 summarizes the length of pipe requiring inspection
using this method.
Total length of pipe in
Cartegraph
Total length of pipe in City
Table C-10. Pipes Requiring Inspection Summary
Feet Miles Relative to Existing Notes
City Total (%)
2.439,196 461.97
1,292,737.73 244.84 100%
This includes all jurisdictions and
statuses.
Jurisdiction = "CoA" and
Status = "Existing"
Total pipe length requiring Applies for any pipe whose
inspection 52,954.92 10.03 4.10% Likelihood of Failure Score = 4 or 5
(Useful Life <0)
C-16 June 2024 1553-1931-052
Page 516 of 769
Appendix C
City of Auburn
Since storm catch basins and storm manholes are related to pipes, it is recommended to inspect
these at the same time as adjacent pipes. The same inspection prioritization method is
recommended for culverts because the failure consequences are similar.
3.2 Inspection of Remaining Stormwater Assets
For storm pumps, it is recommended to closely evaluate their condition as their useful life nears the
end (e.g., 5 or fewer years) and upgrade or replace them before probable failure. Stormwater control
facilities should be routinely inspected and prioritized for inspection when critical feature data
are unavailable.
4. Pipe Replacement Cost Projection
A brief review of costs were included in the asset management evaluation for consideration in
setting the repair and replacement budget and resource planning goals for the 2024 Plan. A
comprehensive cost estimate was prepared for both pipe replacement and the replacement of catch
basins and manholes within the City. The assumptions and results of this analysis are noted below.
4.1 Method and Assumptions
The cost estimate for pipe replacement is meant to function as a generic cost estimate for the as
opposed to being based off a particular project or area. The primary cost estimation calculations
assume the replacement of 5,000 linear feet of pipe as well as the associated conveyance
structures, such as manholes and catch basins. The estimate also includes work commonly
associated with a pipe replacement project, including temporary erosion and sediment control
(TESC); site prep, such as the removal of surface pavement and existing structures; the installation
of the conveyance system structures, such as trenching and backfill; surface/pavement repair; and
project costs, such as design contingency and permitting.
Additional assumptions and further explanation of cost breakdown for the cost of pipe replacement
are as follows:
■ General:
—► All pipes and structures are assumed to be within the same/connecting system.
—► Pipes and structures are under existing asphalt, cement concrete, or landscaping that
would need to be replaced in kind.
—► The City of Auburn GIS map was used to provide information about average pipe sizes,
pipe lengths, types of catch basins, and land surface cover in the area that was used to
make a general calculation of cost to replace 5,000 linear of pipe.
—� The City of Auburn Engineering Design Standards (February 2024) as well as the
Standard Details (February 2024) was used to inform typical design for the purpose of
cost and quantity calculations.
■ TESC and site prep: Site prep costs include the removal and cutting of surfaces that may be
over the top of existing conveyance systems as well as Utility Conflict Resolution. Other costs
for site prep, such as TESC, mobilization, and project temporary traffic control are calculated
based on percentages commonly used in projects of a similar nature. Project temporary
traffic control for the replacement of conveyance systems may vary depending on the
June 2024 ( 553-1931-052 C-17
Page 517 of 769
Appendix C
City of Auburn
amount of work done in arterials or heavily trafficked areas. For this cost estimate, it was
assumed that the work will need a medium amount of traffic control.
■ Conveyance system and structural/asphalt repair: For the simplification of calculations,
certain generalizations were made in calculating quantities and costs, such as the
assumption that all pipes are the same size, material, and depth. See Figures C-5 through
C-8 for assumptions.
■ Project costs: Project costs percentages were based off the percentages used for the
Stormwater Management Action Plan "One Sheets" completed for the City of Auburn in
2023. They include project costs for design contingency, permitting, design, City project
management administration, and construction management.
■ Unit costs: Unit costs were based off the assumption of 5,000 or 10,000 linear feet of pipe
replacement and associated quantities for other conveyance system replacement
appurtenances. Unit costs were estimated using the Washington State Department of
Transportation Unit Bid Analysis tabs as well as other project cost estimates that have similar
attributes to the general cost estimate of replacing conveyance system structures and pipes.
4.2 Results
Cost estimates were made to show the average cost of replacing 5,000 feet of pipe within the City of
Auburn (Figure C-5), replacing 5,000 linear feet of pipe in downtown (Figure C-6), and 10,000 linear
feet of pipe in rural areas (Figure C-7). A cost estimate was also made for replacing catch basins
without replacing any adjacent pipes (Figure C-8).
C-18 June 2024 1 553-1931-052
Page 518 of 769
Appendix C
City of Auburn
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June 2024 1 553-1931-052 C-19
Page 519 of 769
Appendix C
City of Auburn
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C 20 June 2024 1 553-1931-052
Page 520 of 769
Appendix C
City of Auburn
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June 2024 1 553.1931-052 G21
Page 521 of 769
Appendix C
City of Auburn
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C-22 June 2024 1 553-1931-052
Page 522 of 769
Appendix C
City of Auburn
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Figure C-7. Average Cost of Replacing 10.000 Feet of Stormwater Pipe in Rural Auburn
June 2024 1 553-1931-052 C 23
Page 523 of 769
Appendix C
Cry of Aub=
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Figure C-7 (continued). Average Cost of Replacing 10,000 Feet of Stormwater Pipe in Rural Auburn
C-24 June 2024 1553-1931-052
Page 524 of 769
Appendix C
Cay of Auburn
EIFI
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Figure C-8. Average Cost of Replacing Catch Basins in Rural Auburn
June 2024 1 553-1931-052 C-25
Page 525 of 769
Appendix C
City of Auburn
4.3 Discussion
The resulting cost opinion is intentionally conservative, approximately $1,500 per linear foot, to
account for the wide range of generalizations and assumptions inherent in the process. Notably, the
analysis indicated that pipe replacement in rural areas is expected to be less costly than in the City
center. Additionally, replacing a larger quantity of pipe is only marginally more cost-effective.
As a prudent practice, it is recommended to diligently track the costs associated with installation,
repair, and replacement of asset features on an annual basis. This data serve as valuable reference
information for future asset replacement budget planning. As additional data are collected, cost
opinions can be updated to enhance accuracy.
5. Pipe Depreciation Analysis
A life cycle analysis was performed for stormwater pipes to demonstrate the expected depreciation
rate of each asset and provide background for the recommended maintenance frequency of the
entire system. To do so, a spreadsheet was created to analyze the remaining useful life estimate for
the City's pipe database over time. A screenshot of the first page of the spreadsheet is shown in
Figure C-9. This shows the existing condition dataset of the stormwater pipes. In the spreadsheet, a
cumulative total was calculated for the pipes whose remaining useful life score had gone negative.
This represented the total linear feet of pipe "lost." As shown in Figure C-9, at the time of this
assessment, approximately 53,000 feet of pipe is expected to be beyond its useful life.
An average rate of pipe loss was calculated by dividing each pipe's useful life from its length and
then summing to find the total for the system. As shown in Figure C-9, the average rate of pipe value
"lost" is approximately 15,700 feet per year.
To show the sensitivity of the results, a copy of the spreadsheet was created, and all useful life
estimates were increased by 20 years. A screenshot of the first page is shown in Figure C-10. This
scenario shows the total linear feet of pipe beyond its useful life to be approximately 14,500 feet,
and the average rate of pipe loss per year to be approximately 12,500 feet.
Both scenarios were used to project the amount of pipe replacement needed over 10-, 20-, and
50-year replacement durations. The costs estimated in the previous section were used to provide
estimates for these replacements for reference. Figure C-11 shows the results of this projection.
C-26 June 2024 1553-1931-052
Page 526 of 769
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Rate of Pipe Loss
5lxting Pool d Dead ppe
For Yee,
Length of pipe needing replacement for enu,ed Yea,
10 0.eplacement Dwatwn
Rate of P,pe Replacement Needed
25 Replacement Duration
Rate of Pipe ReGacemem Needed
50 Replacement Dwal,on
Rate of PIP, Replacement Needed
Add.ng .20 Years to uului life
Rate of Pipe I—
Startmg Pool of lead P,pe
For -
Length of pipe needing replacement for entered Year
I Replacement Duratw
Rate of Pipe Replacement Needed
25 Replace m Dtdalwn
Rate of Pipe Replacement Needed
50 Replacement Duration
Rate of Pipe Replacement Needed
75,700 It pipe .U" Ilunction of —10 B Pipe agel
Preiimmary Cast
Open— Fst. /
2022 year to sowce poor of dead pipe data
Year
- 52.000 ft starting pool of dead pipe needing ,eplac,m—
• 10 Mean duration tp catch „p on dead pipe
• 20,900 R Pipe needing replanmenl/Year
5 31,350,000
• 25 Yea" duratwn to ralch up on dead pipe
- 17,750 It cape reeding redacement/Year
5 26.670,000
- 50 Yvan duratwn to catch up on dead pipe
= 16.7e0 It pipe reeding replacement/Yee,
5 25,110,000
- 11,SW It pipe wst/yr (lunctwn of uselul Lie/m+terlal & nice age)
• 2022 Year to some pool of dead pipe data
• 15.Op) fl starting pool of dead pipe needing replacement
• 10 years d—twn to catch up on deed pipe
- 14,1M N pipe Reeding epimement/yea,
5 21,000,000
+ 25 Yea. duratwn tp catch up on dead pwe
• 13.ID0 R PiPe need,hS n pla nrimt/year
5 19,650,000
+ 50 Years duratwn to catch uP on dead pipe
= 12.000 It pipe need;ng replacement/Year
5 19,200,000
Appendix C
Cl,y of Auburn
Figure C-11. Cost Projection Results for 10-.20-, and 50-Year Pipe Replacement Durations
June 2024 1 553-1931-052 C-29
Page 529 of 769
Appendix C
City of Auburn
5.1 Discussion
The depreciation analysis was performed to provide a point of comparison on which to base the
City's resource planning recommendations. Though the costs of pipe replacement are conservative,
the anticipated cost of the various replacement durations was considered too great for the asset
repair and replacement program. Thus, the escalated budget for repair and replacement from
previous years was used as the basis for the asset repair and replacement program for the
2024 Plan. However, the results from this analysis can be used to inform the budget for future plans
should it be of interest to expand the scope of the repair and replacement program. A similar
depreciation analysis could be done for culverts.
6. Future Work & Maintenance
This asset management assessment provides a starting point from which the City can base its asset
management program. The following actions will be needed to implement the discussed variables
into the City's program.
■ Review issues with scoring in the Cartegraph app. Ensure that any features being scored
incorrectly are reviewed and amended to simplify the entry process from the field.
■ The OCI rating should be reviewed and revised as needed.
■ Enact the criticality of failure and likelihood of failure scores in Cartegraph for stormwater
pipes and use these to prioritize inspections for pipes and adjacent network structures.
■ The criticality of failure rnetrics should be periodically run in GIS and updated in Cartegraph
for criticality of failure score.
Future actions that should be considered to expand upon the work described in this assessment are
listed below.
■ A GIS desktop analysis to fill in estimated installation dates should be considered for other
asset types (specifically, culverts are expected to benefit, as they were missing 75% of their
installation dates.
■ Perform a GIS desktop analysis needed for the other stormwater assets in Table C-1 based
on the methods described for the criticality of failure score.
■ Estimate useful life for culverts, pumps, and network structures.
■ Consider whether previous inspection data should be used in adjusted useful life for
network structures.
■ Enact the criticality of failure and likelihood of failure scores in Cartegraph for the remaining
stormwater assets. Then follow suit with the stormwater assets listed in Table C-1.
C-30 June 2024 1553-1931-052
Page 530 of 769
Appendix D
Regulatory -Driven
Improvements Assessment
The Regulatory -Driven Improvements table
will be included as Appendix D of the final Plan.
Appendix E
Ditch Maintenance and
Operations Program -
Development and
Recommended Actions
Parametrik
let's create tomorrow, together
DATE:
June 6, 2024
TO:
Tim Carlaw, PE
FROM:
Paul Fendt, PE
SUBJECT:
Ditch Maintenance and Operations Program
CC:
Michael Murray, PE
Alex Van Kirk, EIT
PROJECT NUMBER:
553-1931-052
PROJECT NAME:
Comprehensive Storm Drainage Plan Update
Overview and Introduction
Appendix E
This memorandum documents the proposed ditch maintenance and operations (M&O) program of
the Stormwater Programs Task for the Comprehensive Storm Drainage Plan (Plan) for the City. This
effort has been implemented to improve the M&O of the City's ditch inventory to control stormwater
runoff and improve the quality of downstream receiving waters. The analysis considers the existing
ditch M&O program and determines if additional controls and resources are required to meet needs
and address potential liabilities. This technical memorandum discusses the City's ditch inventory,
existing ditch M&O program, an outline for the proposed ditch M&O program, and future
recommendations for consideration.
Ditch Inventory Evaluation
The evaluation of the City's existing ditch M&O program began with an assessment of its asset
inventory. The City's ditch inventory is mapped under the "Channels" layer in the City's
computerized maintenance management system, Cartegraph. At the time of investigation,
there were 1,698 features within the Channels layer. Figure E-1 at the end of this memorandum
demonstrates the extent of the channel inventory within Cartegraph.
The evaluation of the inventory included reviewing the available attribute and location data for the
Channels layer features. The feature attribute review revealed an incomplete dataset with several
attributes having little to no data inputs. While the data may be incomplete for the entire inventory,
the following attribute fields were available for input and were either beneficial during evaluation or
are anticipated to be of use in the program once data is made available.
■ Owner: The jurisdiction responsible for M&O of the feature.
■ Installed: The date the feature was constructed.
■ Channel type: Labels the feature as a ditch or a stream.
■ Channel shape: Identifies the feature as having a parabolic, v-bottom, or trapezoidal shape.
■ Bottom width: The width of the bottom face of the feature.
■ Bottom material: Identifies the feature as having a concrete, grass, plastic, riprap, or
soil bottom.
■ Slope: The longitudinal slope of the feature from inlet to outlet.
■ Length: The length of the feature from inlet to outlet.
■ Easement: A yes/no field that indicates whether the feature is within an easement.
■
719 2nd Avenue, Suite 200 • Seattle. WA 98104 1 206.394.3700 1 Parametrix.com Page 533 of 769
Parametrk
Appendix E
Having feature data for these attributes would help with determining maintenance needs and
options for water quality retrofits, making an educated guess for the useful life of component parts,
and identifying the parties responsible for feature M&0. It is recommended to update features with
these attributes upon implementing the ditch M&0 program.
Channel features were further evaluated to determine whether they should be considered ditches
and, consequently, whether they should be included in the City's ditch M&0 program. A copy of the
Channels layer was created to classify features accordingly. Attachment E1 describes the process
used in classifying layer features and demonstrates the different categories created within the
copied layer. The result of this process was a copy of the Channels layer broken into four categories
based on expectations from the City's M&0 program. These categories are summarized below.
■ Roadside conveyance: Ditches within road right-of-way that are assumed to be capturing
road runoff. This is the most common form of ditch.
■ Facility -related: Ditches within close proximity to stormwater facilities that solely convey
stormwater to and from the stormwater facilities.
■ Collection (other): The remaining City -owned channel features that are expected to be
maintained by the Storm Drainage Utility. This excludes any surface water linework (streams,
rivers, etc.), ditches owned by other jurisdictions (including private ownership), and ditches
maintained by other divisions within the City (for example, ditches within the median of the
airport).
■ N/A: All features not included in the preceding categories and not maintained by the City's
Storm Drainage Utility.
The tasks proposed on behalf of each of these categories are discussed in a later section of
this memorandum.
Existing Ditch Maintenance and Operation Program
The City was consulted regarding the existing M&0 program for their ditch inventory. Maintenance
activities include regrading and removal of sediment; nuisance vegetation; and isolated obstructions
such as trash, trees, and accumulated debris. Because vegetation is important for erosion control,
removal of beneficial vegetation is minimized.
Maintenance of the City's ditch inventory is time intensive. Six M&0 staff are required for a single
ditch maintenance crew to operate the City -owned excavator, control traffic, and manually regrade or
remove obstructions. While the City aims to implement a ditch maintenance program, the City's ditch
inventory is only maintained on an as -needed basis.
Proposed Ditch Maintenance and Operation Program
The components of the program are listed and discussed below.
Incorporation of Ditch Classifications
Depending on the type of ditch, there may be a specific inspection regime and go -to maintenance
activities. It is recommended that the City incorporate the earlier -listed classifications as feature
attributes in their Channels layer in Cartegraph.
As detailed in Attachment El, all channels classified as streams were shown to overlap with surface
water linework in the geographic information system (GIS) and assumed to be streams. No streams
are included in the ditch M&0 program; however, complaints and observations, such as erosion
around structures, may be addressed and included in customer service. For the purpose of this
technical memorandum, none of the stream features will be discussed further.
City of Auburn 553-1931-052
Ditch Maintenance and Operation Program E-2 June 6, 2024
Page 534 of 769
Parametrix
Inspection and Routine Maintenance
Appendix E
All ditches will need to be inspected regularly to determine whether further maintenance or
construction is required. Routine maintenance will occur during inspection and will include
smaller -scale tasks, such as picking up trash, clearing out shopping carts, addressing spot
complaints, and mowing. A full inspection will involve evaluating the system for any structural or
vegetation issues and documenting the results to determine whether a work order is needed.
Ditches identified in a work order should result in a follow up within 15 days.
Roadside ditches are expected to require constant maintenance. The collection ditches will require
additional routine maintenance, such as annual mowing and sediment removal. Facility -related
ditches are recommended to be maintained and inspected with the facilities they are related to. A
checklist for the full inspection and routine maintenance task, along with any additional tasks
required for certain types of ditches, should be developed as a follow-up to this memorandum.
Overall System Management
A general management system will be needed to ensure features are mapped, add new ditches to
the City inventory, investigate encroachments, develop capital items, coordinate complaint response,
make recommendations for water quality retrofits, promote general environmentally friendly
practices, and facilitate the generation of work orders. These items are covered in more detail below.
Mapping Update
In addition to updating the Channels layer with the attribute classifications described earlier, the
mapped features will need to be evaluated for accuracy after field inspection and confirm they are
classified correctly. Similarly, attributes and linework for the feature should be reviewed and
modified after field work.
It is recommended that in addition to the attributes listed in the Ditch Inventory Evaluation section,
the following attributes be defined and verified for each feature as work orders are developed.
■ Inverts (as available).
■ Average bottom and top width.
■ Permitted encroachments (utility structures, driveways, etc.).
■ Ownership and easements.
Some of the attributes may be field verified during inspection, while others may involve
desktop research.
Adding New Ditches
There should be a protocol in place where any ditches observed in the field should be noted and
then verified of their existence in the City's ditch inventory. This will aim to pick up on any unmapped
ditches within the City to ensure features are maintained and operated appropriately. Newly added
ditches will require ownership and responsibility research and subsequent easements or purchase.
Encroachment Investigation
Any encroachments observed in the ditch features while in the field must be documented. Examples
of encroachments include utility boxes, utility poles, driveway locations, and driveway pipes. These
items will need to be investigated and handled appropriately.
City of Auburn 553-1931-052
Ditch Maintenance and Operation Program E-3 June 6. 2024
Page 535 of 769
Parametrik
Capital Development
Appendix E
The results of the feature inspection may warrant minor capital repairs or replacement. The projects
should be added as a program to the Storm Drainage Utility's capital improvement plan. Items noted
during inspection that may require capital repair or replacement include sedimentation, erosion, and
system/structural failures.
Responding to Complaints
The program does not deal with private ditches. However, if a complaint is received, the City may
need to respond. The City may either notify the owner of the complaint and insist they handle it
appropriately, or the City may handle the complaint and then bill the owner for the work.
Water Quality Retrofits
As part of the program, the City's ditches should be evaluated for potential water quality retrofits,
focusing on roadside ditches. Retrofits would implement strategies to provide treatment for the
various pollutants found in road runoff (6PPD-quinone, road maintenance chemicals, heavy metals,
eroded soil, etc.). Determining potential retrofits to consider and deciding how a ditch is chosen for
retrofit should be determined as a follow-up to this memorandum.
General Environmentally Friendly Practices
It is recommended to follow general environmentally friendly practices when performing ditch
maintenance. A few of these practices have been listed below and can be researched further in
Volume IV of the Pierce County Stormwater and Site Development Manual.
■ Encourage vegetation by not mowing too low.
■ Avoid using chemicals where possible.
■ Perform regular inspections.
■ Conduct vegetative maintenance in the late spring or early fall.
Work Order Development
The following items will need to be addressed and managed in incorporating the proposed ditch
M&O program.
■ How does inspection turn into a work order?
■ How often should ditches be inspected?
■ What are the thresholds for action?
Recommendations
It is recommended to implement the proposed ditch maintenance program as detailed above.
Further work to develop the inspection checklists, decide on how to implement water quality retrofits,
and address the work order development items is necessary as a follow-up to this memorandum. It is
recommended to reflect upon the program after 5 years to assess whether any adjustments would
be beneficial to the program.
City of Auburn 553-1931-052
Ditch Maintenance and Operation Program E-4 June 6. 2024
Page 536 of 769
Parametrk
City of Auburn Channel Inventory
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Figure E-1. Extent of Channels Layer in Cartegraph
City of Auburn 553-1931-052
Ditch Maintenance and Operation Program E-5 June 6. 2024
Page 537 of 769
Attachment El
Channel Classification
Parametrix Appendix E
Attachment El
Channel Classification
The Channel layer was exported from the City's Cartegraph inventory and was used as the basis for
the data review. At the time of export, there were 1,698 features with a total of more than
440,000 feet in summed length.
After reviewing the channel inventory, it was determined that a categorization of the channels by type
would be beneficial in developing the required inspection criteria, frequency, and maintenance
needs. Two attribute columns were added to the Channel layer, named "Source_Drainage" and
"Source_Drainage_Note" to ease this process. Features were assigned a common category in the
"Source -Drainage" attribute column, and any notes or reasoning for the assignment were justified in
the "Source_Drainage_Note" attribute column. The process for classification of the channel
inventory (and filling out the Source -Drainage attribute column) is detailed in the following sections.
The characteristics evaluated for classification along with a description of the process for each are
listed below.
Ownership
The channels were first broken down using the feature's Owner attribute. The process for this
breakdown is listed below.
■ Any ditches marked as Owner = "COA"1 or "0" or blanks were assumed to be City owned and
broken down further.
■ Any ditches marked as Owner = "Private" were marked as "Private - Ditch."
■ Any ditches marked as Owner = "WSDOT" were marked as "WSDOT - Ditch."
■ Any ditches marked as any owner not previously identified were marked as "Other
Jurisdiction - Ditch."
Surface Water
The Channels layer was overlaid in GIS with linework from surface water and stream network layers.
Any features from the Channels layer that overlapped with the surface water and stream network
linework were marked as "Streams." These features would not be considered in the ditch
maintenance and operations program.
If any features appeared to be visually similar to streams in GIS but did not overlap with any surface
water linework, they were marked as "COA - Channelized Streams." An example of this instance is
shown in Figure E1-1 below.
1 Where COA is an abbreviation for City of Auburn.
City of Auburn 553-1931-052
Ditch Maintenance and Operation Program E1-1 June 6, 2024
Page 539 of 769
Parametrk
Roadside Ditch
Appendix E
Figure E1-1. COA - Channelized Streams and Roadside Ditches Example
A buffer was applied around roadways in GIS to capture any of the channel features within
right-of-way. Any ditches within this buffer were marked as "COA - Roadside Ditch." These features
are assumed to be capturing road runoff and are anticipated to be the most common form of a ditch.
Examples of these features are shown in green in Figure E1-1.
Stormwater Facility
In a similar fashion to roadside ditches, a buffer was applied around the City's existing stormwater
facilities. Any channels that lay within this buffer were visually evaluated to confirm that they seemed
to be associated with a stormwater facility. Channel features that were confirmed to be associated
with a stormwater facility were marked as "COA - Facility." Maintenance for ditches associated with
an existing facility are anticipated to follow a schedule dictated by maintenance of the overall facility.
An example of this feature type is shown below in Figure E1-2.
City of Auburn 553-1931-052
Ditch Maintenance and Operation Program E1-2 June 6. 2024
Page 540 of 769
Parametrik
11
Blue hatched polygons
symbolize a stormwater
detention facility
Airport Median
Appendix E
Figure E1-2. COA - Facility Features Example
There were three channel features shown in the airport median that were classified separately.
These features were marked as "COA - Other." These are likely not ditches and would follow a
different maintenance schedule than what is recommended elsewhere. Maintenance would be
dictated by airport requirements. The three channel features of this type are shown below in
Figure E1-3.
City of Auburn 553-1931-052
Ditch Maintenance and Operation Program E1-3 June 6. 2024
Page 541 of 769
Parametrk
Appendix E
Figure E1-4. COA - Other Features
City of Auburn 553-1931-052
Ditch Maintenance and Operation Program E1-4 June 6. 2024
Page 542 of 769
Parametrix Appendix E
Public Ditches
The remaining channel features that were City owned and not surface water, not receiving roadside
drainage, not associated with a stormwater facility, and not within the airport median were classified
as TOA - Public." These features will require different inspection and maintenance techniques than
the roadside ditches because access may be more challenging and captured runoff is anticipated to
be sourced from more than roadways. An example of a channel feature classified as TOA - Public"
is shown below in Figure E1-4.
Figure E1-4. COA - Public Feature Example
City of Auburn 553-1931-052
Ditch Maintenance and Operation Program E1-5 June 6, 2024
Page 543 of 769
Parametrik Appendix E
Results
After classifying the Channels layer as detailed above, the resulting breakdown of features in each
category is demonstrated below in Table E1-1.
Table E1-1. Channel Classification Breakdown
Owner'
Classification2
Length3
(feet)
Length
(miles)
Percent of City-
Owned Channels
Percent of Total
Channels
Various
Stream
84.000
16
19%
WSDOT
WSDOT - Ditch
29.000
5
6%
Other Jurisdictions
Other Juris - Ditch
9,000
2
2%
Private
Private - Ditch
101,000
19
-
23%
COA
COA - Channelized Stream
14.000
3
6%
3%
COA
COA - Roadside Ditch
176.000
33
79%
39%
COA
COA - Facility
5,000
-1
2%
1%
COA
COA - Other
3.000
- 1
1%
1%
COA
COA - Public
26.000
5
12%
6%
COA Total
224,000
42
100%
50%
Total
447,000
85
-
100%
1 Owner corresponds to the data for the feature attribute of the same name. COA = City of Auburn, WSDOT = Washington Department of
Transportation. -Other Jurisdictions' includes any other ownership not included in COA. WSDOT, or Private. Other jurisdictions listed as
owners of channel features include City of Algona. City of Kent. King County. and the Muckleshoot Indian Tribe.
2 Classification also refers to the "Source —Drainage" attribute column developed for this evaluation.
3 Length has been rounded up to the nearest thousand. The columns to the right have all been calculated based on this rounded
number.
Work Implications
The review of the channel inventory layer was conducted as part of a larger effort to develop a
drainage ditch maintenance program for the City. Breaking down the layer into the classifications
identified in Table 1 allow for resources to be evaluated appropriately. While the channel
classifications aid in giving additional context for the features within the Channel layer, some of the
classifications are expected to require the same work items and maintenance frequencies, while
others are not maintained by the storm drainage utility and will not be included within the ditch
maintenance program. To simplify drainage ditch M&O needs, features can be split into broader
categories based on expected work. Table E1-2 shows the groupings for ditch M&O work as they
relate to the COA channel classifications.
City of Auburn 553-1931-052
Ditch Maintenance and Operation Program E1-6 June 6, 2024
Page 544 of 769
Parametrik Appendix E
Table E1-2. COA Drainage Ditch M&O Categories Relative to Channel Classifications
COA Drainage Ditch M&O
Category Channel Classification Length (feet) Length (miles)
Roadside Conveyance
COA - Roadside Ditch
176,000
33
Facility -Related
COA - Facility
5,000
-1
Collection (Other)'
COA - Channelized Stream
40,000
8
COA - Public
Total Maintained by Storm
221.000
42
Drainage Utility
N/Az
COA - Other
226,000
43
COA = City of Auburn; M&O = maintenance and operation
1 This grouping combines all other COA ditches maintained by the storm drainage utility collecting stormwater. For the purposes of this
preliminary ditch maintenance program, these ditches are expected to have the same maintenance needs and frequency of work-
2 N/A includes all features in the channel classifications layer not sorted into one of the other three M&O categories, and not included in
the City's ditch maintenance program. COA-Other is included in this category as it is not expected to be maintained by the storm
drainage utility. It is expected to have different maintenance expectations dictated by the airport. If this is proven otherwise, it should
be sorted into one of the other M&O categories based on expected level of need.
Facility -related ditches will largely be maintained alongside the facilities they correspond with. This
may require a first step in associating facility -related features with the respective facility they serve in
Cartegraph to ensure that these features are not missed. After this exercise, facility maintenance
may include maintenance of any associated ditches (depending on recommended maintenance
frequency, facilities may be maintained several times per year, while facility -related ditches may not
need as many visits). While these features are still included within the ditch maintenance program,
the frequency and scheduling of work is dependent on timing for associated facilities. Though, the
work associated with ditch inspection and maintenance will be dictated by the ditch inspection
program.
In terms of M&O tasks, features classified as COA-Channelized Stream are expected to have the
same inspection and maintenance requirements as those in COA-Public, so these will be treated the
same in terms of recommended M&O actions.
City of Auburn 553-1931-052
Ditch Maintenance and Operation Program E1-7 June 6, 2024
Page 545 of 769
Appendix F
SEPA Compliance
Documentation
The SEPA Compliance Documentation will
be included as Appendix F of the final Plan.
Page 546 of 769
CITY OF
R_J
L
—� WASHINGTON
Agenda Subject:
Ordinance No. 6949 (Krum) (10 Minutes)
Department:
Community Development
Attachments:
Presentation to CC Study Session
AGENDA BILL APPROVAL FORM
Date:
August 19, 2024
Budget Impact:
Current Budget: $0
Ordnance No. 6949 Proposed Revision: $0
Exhibit A — tkarineEuminerRecommendation Revised Budget: $0
for Stonecreck Apartments Site -specific Rezone
Tame-Prowsed Rezone
Administrative Recommendation:
For discussion only.
Background for Motion:
Background Summary:
Ordinance No. 6949 changes the zoning map designation of a portion of King County Parcel
No. 3339900507 from R-10 Residential — Ten Dwelling Units per Acre to R-20, Twenty
Dwelling Units per Acre, in response to an application from property owner.
Zoning map change (Rezone) of approximately 7,098 square foot (sf) of a split -zoned parcel
totaling 21,090 sf from "R-10, Residential Zone — Ten Dwelling Units per Acre" to the "R-20,
Residential Zone — Twenty Dwelling Units per Acre" owned by Balvir Singh and Jaspreet
Kaur.
On July 17, 2024, the Hearing Examiner held a Public Hearing, and on August 1, 2024 issued
a written recommendation to City Council that the Stonecreek Apartments site -specific rezone
be adopted.
Reviewed by Council Committees:
Councilmember: Tracy Taylor
Staff: Jason Krum
Meeting Date: August 26, 2024 Item Number:
Page 547 of 769
ORDINANCE 6949 AUBURN
STONECREEK APARTMENTS
SITE -SPECIFIC REZONE VALUE S
CITY FILE N0. REZ23-0005
EENV
CAUBURN CITY COUNCILIRON MENT
STUDY SESSION ICHARACTER
ECoNOMY
DINAH REED- SENIOR PLANNER SUSTAINABILITY
AUGUST 26, 2024 wELLNEss
CELEBRATION
'Af �, f
` L
Application
submitted on July
11 , 2023 by Balvir
Singh, the Property
Owner.
Location - 703 8 t h
St. NE, Auburn
Parcel size - 1/2 acre
Split -zoned:
7,098 sf of parcel =
R-10
t &i -- 13,992 sf of parcel =
R-20
SERVICE . ENVIRONMENT . ECONOMY . CHARACTER . SUSTAINABILITY11,40n4-WW1 CELEBRATION
The parcel is vacant, flat,
and has no critical areas.
The parcel is situated in
an area surrounded by
both Multi -family
residential and Single-
family residential.
SERVICE . ENVIRONMENT* ECONOMY . CHARACTER . SUSTAINABILITYFiaVORPO i CELEBRATION
Excerpted •Comprehensive•Planland •Map:¶ 1
:¶
R-20¶ SUBJECTT-PARCEL-
SPLIT -'LOVED¶
R-101
R-7¶
SERVICE* ENVIRONMENT* ECONOMY *CHARACTER o SUSTAINABILITYPeaVOIA-4N93Wli CELEBRATION
Existing Map Proposed Map
R-10 R-20
SERVICE* ENVIRONMENT* ECONOMY *CHARACTER* SUSTAINABILITYFOW0�-5-M % CELEBRATION
In accordance with ACC 18.68.040
The rezone implements the policies of the comprehensive plan;
Staff Analysis — The Rezone request is to change from R-10 to R-20 therefore, the
change implements the intent of the Comprehensive Plan Land Use Designation of
Multiple -family.
The rezone is necessary due to a substantial change in circumstances since the
current zoning; and
Staff Analysis — More than 2/3 of the parcel is zoned R-20 however, rezoning the 7,098
square feet from R-10 to R-20 will allow 2 additional units/apartments for the future
apartment complex. The Housing Element (Vol. 2) in City of Auburn's Comprehensive
Plan states that "Auburn's housing stock is older than average, and much of its rental
housing stock is in fair or poor condition."
The rezone bears a substantial relationship to the public health, safety, or welfare.
Staff Analysis — The rezone should not have an adverse impact on the surrounding
area.
SERVICE. ENVIRONMENT* ECONOMY . CHARACTER . SUSTAINABILITYP.aV0n5_WWg CELEBRATION
An open record public hearing was held on July 17,
2024 and on August 1, 2024, the Hearing Examiner
issued a written recommendation of approval.
Based upon the Hearing Examiner's recommendation of
approval, staff seeks to schedule Ordinance No. 6949
for City Council action at the regular meeting on
September 16, 2024.
SERVICE* ENVIRONMENT* ECONOMY *CHARACTER . SUSTAINABILITYRa'900M CELEBRATION
ORDINANCE NO. 6949
AN ORDINANCE OF THE CITY COUNCIL OF THE CITY OF
AUBURN, WASHINGTON, FOR A SITE SPECIFIC REZONE
OF A PORTION OF ONE PARCEL FROM R-10,
RESIDENTIAL ZONE - TEN DWELLING UNITS PER ACRE
TO R-20, TWENTY DWELLING UNITS PER ACRE
WHEREAS, a Boundary Line Adjustment (City File No. BLA21-0006) was applied
for to combine the northern 90 feet of parcel no. 3339900495 with parcel no. 333990507,
recorded on November 5, 2021 and resulting in a split -zoned single lot; and
WHEREAS, the split -zoned single lot had a portion zoned R-20, Twenty Dwelling
Units per Acre and a portion R-10, Ten Dwelling Units per Acre; and
WHEREAS, Balvir Singh, Applicant and Property Owner, submitted a site -specific
rezone application on July 11, 2023 for King County Parcel No. 3339900507; and
WHEREAS, the rezone will ensure that the zoning of the entire lot fully matches
the intent of the Comprehensive Plan by eliminating the split zoning and expanding the
R-20 zone to include the whole parcel; and
WHEREAS, the project is exempt from SEPA review in accordance with WAC 197-
11-800(6)(c); and
WHEREAS, after proper notice published in the City's official newspaper at least
ten (10) days prior to the date of public hearing, the City of Auburn Hearing Examiner
conducted a public hearing, heard public testimony, and took evidence and exhibits into
consideration; and
WHEREAS, on August 1, 2024 the City of Auburn Hearing Examiner
recommended approval of the site -specific rezone application, and made and entered
Findings of Fact and Conclusions of Law based thereon in support of that
Ordinance No. 6949
August 26, 2024
Page 1 of 3
Page 555 of 769
recommendation, as set forth in the Findings of Fact, Conclusions of Law and
Recommendation of the Hearing Examiner attached hereto, marked as Exhibit "A" and
incorporated herein by this reference; and
WHEREAS, the City Council concurs with the Findings of Fact and Conclusions of
Law of the Hearing Examiner; and
NOW, THEREFORE, THE CITY COUNCIL OF THE CITY OF AUBURN,
WASHINGTON, DO ORDAIN as follows:
Section 1. Adoption of the Hearing Examiner's Findings of Fact and
Conclusions of Law. The City Council adopts the Findings of Fact and Conclusions of
Law based thereon, made and entered by the Hearing Examiner in support of the
recommendation to the City Council, as set forth in the "Findings of Fact, Conclusions of
Law and Recommendation for the Stonecreek Apartments, City File Number REZ23-
0005, dated August 1, 2024", attached hereto, marked as Exhibit "A".
Section 2. Approval. The City Council adopts and approves the request to
change the zoning of a portion of King County Parcel No. 3339900507 from R-10,
Residential — Ten Dwelling Units per Acre to R-20, Twenty Dwelling Units per Acre.
Section 3. Constitutionality or Invalidity. If any section, subsection clause
or phase of this Ordinance is for any reason held to be invalid or unconstitutional such
invalidity or unconstitutionality shall not affect the validity or constitutionality of the
remaining portions of this Ordinance, as it is being hereby expressly declared that this
Ordinance and each section, subsection, sentence, clause and phrase hereof would have
been prepared, proposed, adopted and approved and ratified irrespective of the fact that
any one or more section, subsection, sentence, clause or phrase be declared invalid or
----------------
Ordinance No. 6949
August 26, 2024
Page 2 of 3
Page 556 of 769
unconstitutional.
Section 5. Recordation. Upon the passage, approval and publication of this
Ordinance as provided by law, the City Clerk of the City of Auburn shall cause this
Ordinance to be recorded in the office of the King County Auditor's Division.
Section 6. Implementation. The Mayor is hereby authorized to implement
such administrative procedures as may be necessary to carry out the directions of this
legislation.
Section 7. Effective Date. This ordinance shall take effect and be in force
five (5) days from and after its passage, approval, and publication, as provided by law.
ATTEST:
Shawn Campbell, MMC, City Clerk
Published:
----------------
Ordinance No. 6949
August 26, 2024
Page 3 of 3
INTRODUCED:
PASSED:
APPROVED:
NANCY BACKUS, MAYOR
APPROVED AS TO FORM:
Jason Whalen, City Attorney
Page 557 of 769
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Exhibit A
BEFORE THE HEARING EXAMINER FOR THE CITY OF AUBURN
Phil Olbrechts, Hearing Examiner
RE: Stonecreek Apartments
FINDINGS OF FACT, CONCLUSIONS
Rezone OF LAW AND RECOMMENDATION.
REZ23-0005
INTRODUCTION
Balvir Singh requests an upzone of a portion of his property located at 703 8t' St. NE.
from R-10 to R-20. It is recommended that the City Council approve the rezone.
The requested upzone is arguably legally mandated since the current R-10 zoning is
inconsistent with the comprehensive plan use map designation of "multi -family."
That map designation requires densities of 20-24 units per acre. The R-20 zoning
classification meets this requirement, the current zoning R-10 does not.
Mr. Sing's property is currently split zoned with R-10 on one portion and R-20 on the
other. The square footage of the entire parcel is 21,090 square feet. The proposal
would rezone 7,098 square feet that is currently R-10 to R-20 so that the entirety of
the parcel is R-20. If the rezone is approved, the applicant intends to construct a 10-
unit apartment building on the site. Absent approval of the rezone, the current zoning
would allow for an 8-unit building.
TESTIMONY
Ms. Diana Reed, Auburn City Planner, summarized the staff report. There was no
other testimony.
EXHIBITS
Stonecreek Apartments Rezone p. 1 Findings, Conclusions and
of 769
Exhibits 1-7 listed at page 6 of the July 11, 2024 staff report were admitted into the
record during the July 17, 2024 public hearing.
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FINDINGS OF FACT
1. Applicant. The applicant is Mr. Balvir Singh, 24827 16' Ave. S, Des
Moines, WA 98198. The property owners are Mr. Singh and Jaspreet Kaur.
2. Hearina. The Hearing Examiner conducted a virtual and telephonic
hearing on the application at 5:30 p.m. on July 17, 2024.
Substantive:
3. Site/Proposal Description. The applicant proposes a site -specific rezone
located at 703 81h St. NE for a portion of King County Parcel No. 3339900507 which
is split -zoned between R-20 Residential Zone - 20 Dwelling Units per acre (R-20)
and R-10 Residential Zone - 10 Dwelling Units per acre (R-10). The square footage
of the entire parcel is 21,090 square feet. The proposal will rezone 7,098 square feet
that is currently R-10 to R-20 so that the entirety of the parcel is R-20.
The subject property is irregular in shape, with the western rectangular portion of the
lot measuring at about 14,245 square feet and eastern rectangular portion of the lot at
approximately 7,065 square feet. It is flat and has no critical areas. Both ingress,
egress and utilities easements are available across the lot to the south (parcel no.
3339900495) to 8`h St. NE, recorded under AFNS: 781205072, 881212073,
20010220000902 & 20030929002021 as shown on the Boundary Line Adjustment
(BLA21-0006) (Exhibit 5). A Boundary Line Adjustment (File No. BLA21-0006)
was applied for to combine the northern 90 feet of parcel no. 3339900495 with parcel
no. 3339900507, recorded on 11/5/2021 and resulting in a split -zoned single lot.
Although split -zoned after the BLA, the entirety of the property was previously
designated Multi -Family in the Comprehensive Plan.
4. Characteristics of the Area. The subject property is situated in an area
surrounded by both Multi -Family Residential and Single -Family Residential in the
immediate vicinity.
5. Adverse Impacts. No adverse impacts are anticipated from the proposal.
The proposal was reviewed by the City's Building, Traffic, Utilities Division, and the
Valley Regional Fire Authority who did not express any concerns regarding the
rezoning of the subject property. The proposal is exempt from SEPA environmental
review in accordance with WAC 197-11-800(6)(c). Pertinent impacts are addressed
as follows:
Stonecreek Apartments Rezone p. 2 Findings, Conclusions and
of 769
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A. Traffic. The proposal will not generate adverse traffic impacts. Two comment
letters were received from community members regarding traffic issues
(Exhibit 6). Both letters expressed concern about the proposed effect that 10
new units would have on increased traffic on a portion of 81 St. NE that they
assert already has numerous functional road and sidewalk related issues.
Specifically, these concerns include observed high vehicle speeds and
blockage of sidewalks by parked vehicles. These comments were reviewed
and responded to on -point by City staff (Exhibit 6). Concerns regarding
vehicle speeds are an enforcement issue and links for members of the public
to initiate a complaint were provided by City staff. Common walkways
blocked by vehicles were identified as a civil matter. In regard to increased
traffic, staff has indicated in their report (Exhibit 1) that the City's traffic
engineer reviewed the proposal and that the potential addition of 10 dwelling
units at this location did not require the preparation of a Transportation Impact
Assessment (TIA). Projects that do not require a TIA are considered to not
generate adverse traffic impacts.
CONCLUSIONS OF LAW
Procedural:
1. Authority of Hearina Examiner. ACC 18.68.030(A)(1) grants the Hearing
Examiner with the authority to review and make a recommendation on rezone
requests to the City Council.
Substantive:
2. Zoning Desi n� ation. The property is currently split zoned with 13,992
square feet located within a R-20 zoning district and the balance of the site (7,098
square feet) located with a R-10 zoning district.
3. Review Criteria. ACC 18.68.040 governs the criteria for review.
Applicable criteria are quoted below in italics and applied through corresponding
conclusions of law.
ACC 18.68.040: There is no presumption of validity for a rezone (zoning map
amendment) and the applicant has the burden of proof in establishing compliance
with all of the following criteria:
A. The rezone implements the policies of the comprehensive plan; or
B. The rezone is necessary due to substantial change in circumstances since the
current zoning; and
Stonecreek Apartments Rezone p. 3 Findings, Conclusions and
of 769
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4. Criterion Met. The criterion is met. The rezone implements the policies
of the comprehensive plan by making the zoning of the property consistent with the
comprehensive land use map designation. Changing the designation to R-20 would
fully implement the Comprehensive Plan intent for the entire site and this criterion is
met. No change of circumstance is required for approval of the rezone because the
rezone implements the Comprehensive Plan.
The entirety of the parcel has a Comprehensive Plan designation of "Multi -Family".
The Comprehensive Plan establishes density ranges for lands designated as Multi -
Family as follows (emphasis added in bold text):
"This category shall be applied to those areas that are either now
developed or are reserved for multiple family dwellings. Densities may
range from 20 to 24 units per acre. These communities are served by
transit, have nonmotorized connections to surrounding amenities and
services, or have access to on -site amenities. "
The rezone will ensure that the zoning of the entire site fully matches the intent of the
Comprehensive Plan by eliminating the split zoning and expanding the R-20 zone to
include the whole parcel. R-10 zoning (10 units per acre) is not an appropriate
implementing zone for this site as it is below the Comprehensive Plan's specified
density of 20-24 units per acre.
In addition to providing for required consistency with the City's comprehensive plan
land use map, the proposal is also consistent with the following comprehensive plan
policies:
The City of Auburn Comprehensive Plan Land Use Element "Multiple -family
Designation" general policies include:
- LU-27: Provide a variety of housing typologies to suit the needs of various
potential residents.
The City of Auburn Comprehensive Plan Housing Element general policies
include:
- H-10: Provide a land use plan and zoning that offers opportunities to
achieve a variety of housing styles and densities for private and nonprofit
housing providers.
- H-15: Use innovative zoning provisions to encourage infill development of
underutilized parcels in zones that have been identified in the Comprehensive
Plan as areas where infill residential development should be encouraged.
Certain development requirements for infill development may be relaxed,
while requiring adherence to specific design requirements to ensure
compatibility with the character of nearby existing residential
Stonecreek Apartments Rezone p. 4 Findings, Conclusions and Recommendati
FIN61 of 769
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structures.
The proposal is consistent with the policies quoted above because it provides for multi-
family apartment housing.
C. The rezone bears a substantial relationship to the public health, safety, or
welfare.
5. Criterion Met. The criterion is met. As determined in Finding of Fact No.
5, the proposal will not create any significant adverse impacts. As determined in
Conclusion of Law No. 4, the proposal is necessary to implement the Comprehensive
Plan. For these reasons, the proposal is found to furthers public health, safety and
welfare.
RECOMMENDATION
The Hearing Examiner recommends approval of REZ23-0005
Stonecreek Apartments Rezone
Dated this 1 st day of August, 2024.
Phil Olbrechts,
City of Auburn Hearing Examiner
p. 5 Findings, Conclusions and
of 769
CITY OF
AGENDA BILL APPROVAL FORM
)9WWffASH'1NGT0N
Agenda Subject:
Date:
Ordinance No. 6952 (Gaub) (20 Minutes)
August 19, 2024
Department: Attachments:
Budget Impact:
Public Works (Ordnance No. 6952
Current Budget: $0
INhihirn
Proposed Revision: $0
Presentation
Revised Budget: $0
Administrative Recommendation:
For discussion only.
Background for Motion:
Background Summary:
Ordinance No. 6952 amends City Code related to water main extensions and private fire
hydrants and the water mains serving the fire hydrants to be consistent with the Engineering
Design Standards (EDS) as noted during the Council Study Session on January 22, 2024.
The current EDS standards require amendment to portions of Chapters 13.06, 13.08, and
13.16 of Auburn City Code to remove details that are provided in the EDS and to provide for
clean up of references in City Code to old standards no longer in use.
The Ordinance clarifies ownership and maintenance responsibilities of both public and private
water main extensions, clarifies under what conditions the City may pay for oversizing water
main extensions, clarifies fire hydrant installation and testing and inspection requirements,
adds specific requirements, responsibilities, and restrictions for private fire hydrants, and
includes additional provisions for violations of the fire hydrant regulations.
Reviewed by Council Committees:
Councilmember: Tracy Taylor
Meeting Date: August 26, 2024
Staff: Ingrid Gaub
Itern Number:
Page 564 of 769
ORDINANCE NO. 6952
AN ORDINANCE OF THE CITY COUNCIL OF THE CITY OF
AUBURN, WASHINGTON, RELATING TO WATER MAIN
EXTENSIONS AND REQUIREMENTS FOR PRIVATE FIRE
HYDRANT INSTALLATIONS AND MAINTENANCE
RESPONSIBILITIES, AND AMENDING CHAPTERS 13.06
WATER SYSTEM RESPONSIBILITY, 13.08 WATER MAIN
EXTENSIONS AND PAYMENT, AND 13.16 FIRE
HYDRANTS OF THE AUBURN CITY CODE
WHEREAS, Title 13 of the Auburn City Code (ACC) establishes rules and
regulations for the Water, Sewers, and Public Utilities, consistent with public health,
safety, and welfare of the community; and
WHEREAS, revisions are needed to Chapter 13.06 of the ACC to be consistent
with the City Engineering Design Standards to address maintenance requirements of both
public and private water systems; and
WHEREAS, revisions are needed to Chapter 13.08 of the ACC to be consistent
with the City Engineering Design Standards to address ownership and maintenance
responsibilities of water main extensions; and
WHEREAS, revisions are needed to Chapter 13.16 of the ACC to be consistent
with the City Engineering Design Standards to address ownership and maintenance
responsibilities of both public and private fire hydrant installations.
NOW, THEREFORE, THE CITY COUNCIL OF THE CITY OF AUBURN,
WASHINGTON, DO ORDAIN as follows:
Section 1. Amendment to City Code. Chapters 13.06, 13.08, and 13.16 of the
Auburn City Code are amended to read as shown in Exhibit A.
Ordinance No. 6952
August 26, 2024
Page 1 of 2
�age'565 of 769
Section 2. Implementation. The Mayor is authorized to implement those
administrative procedures necessary to carry out the directives of this legislation.
Section 3. Severability. The provisions of this ordinance are declared to be
separate and severable. The invalidity of any clause, sentence, paragraph, subdivision,
section, or portion of this ordinance, or the invalidity of the application of it to any person
or circumstance, will not affect the validity of the remainder of this ordinance, or the validity
of its application to other persons or circumstances.
Section 4. Effective date. This Ordinance will take effect and be in force five
days from and after its passage, approval, and publication as provided by law.
ATTEST:
Shawn Campbell, MMC, City Clerk
Published:
---------------------------
Ordinance No. 6952
August 26, 2024
Page 2 of 2
INTRODUCED:
PASSED:
APPROVED:
NANCY BACKUS, MAYOR
APPROVED AS TO FORM. -
Jason Whalen, City Attorney
gage/e66 of 769
Exhibit A
ACC 13.06.027, Water system responsibility Page 1 of 1
13.06.027 Water system responsibility.
The city is responsible for maintenance of the public water system within public rights -of -way
and easements up to and including water service meters unless otherwise provided by
agreement, by auburn city code, or by state law. Owners of private water systems, including
but not limited to fire protection and landscaping irrigation systems, are solely responsible for
maintenance and operation of such private systems. Private water system owners must
comply with the requirements of the Auburn Design and Construction standards as adopted in
ACC 12.04 for operation, maintenance, and testing of private water distribution
and fire systems.
... . .... . .
• . 0•4
The Auburn City Code is current through Ordinance 6912, passed July 17, 2023.
Disclaimer: The city clerk's office has the official version of the Auburn City Code. Users should
contact the city clerk's office for ordinances passed subsequent to the ordinance cited above.
City Website: www.auburnwa.gov
Hosted by Code Publishing Company, A General Code Company.
The Auburn City Code is current through Ordinance 6912, passed July 17, 2023.
Page 567 of 769
Chapter 13.08 ACC, Water Main Extensions and Payment
Chapter 13.08
WATER MAIN EXTENSIONS AND PAYMENT
Sections:
13.08.010
Chapter purp-Gs,--zRepealed.
13.08.015
Definitions.
13.08.020
Supervision and extent.
13.08.030
Main installation - Cost liability - Specifications.
13.08.040
Oversizing.
13.08.050
Repealed .
13.08.060
Repealed.
13.08.065
Fire hydrants - Installation on existing mains or relocation.
13.08.070
Repealed.
13.08.080
Repealed.
13.08.090
Repealed.
Page 1 of 4
For statutory provisions on contracts for water facilities between cities and property owners, see Ch. 35.91
RCW; for provisions making Ch. 35.91 RCW applicable to code cities, see RCW 35A.80.010.
13.08.010 Chapter purpose.
.. .. MaiRs, C3Rd
13.08.015 Definitions.
As used in this Chapter,.- "City of Auburn design and construction standards" means the
requirements adopted under Chapter 12.04 ACC for storm drainage, sanitary sewer, street, and
water design and construction.
The Auburn City Code is current through Ordinance 6912, passed July 17, 2023.
Page 568 of 769
Chapter 13.08 ACC, Water Main Extensions and Payment Page 2 of 4
13.08.020 Supervision and extent.
All extensions of norc-nnc ^r 1c)(4 impreyemont dictrirtc deSiriRg to o.,to.,rr city water mains in
the cit)'s identified water service area boundary area mustzXte^d- th@ 5SAl.@ unr♦or tho
+s— be extended in accordance with the City of Auburn design and construction standards. t4a
the pr (Ord. 5850 § 1, 2004; Ord. 5212 § 1 (Exh. H), 1999; 1957 code § 10.10.020.)
13.08.030 Main installation - Cost liability - Specifications.
In III ___ �nihere When a property owner is are required to extend ai water main-, the property
owner to be served shall pay for the installation cost of the water main- All water mains to be
installed within the city's water service area shall be sized in accordance with the requirements
of ritiic rmmprohPAr,iVP vlater nIan Rd the City of Auburn design and construction standards.
When required by the City Engineer, a private property owner shall own and be responsible to
maintain any water main and hydrants that are installed on the owner's property solely to
provide it with fire protection. (Ord. 5850 § 1, 2004; Ord. 5212 § 1 (Exh. H), 1999; 1957 code § 10.10.030.)
13.08.040 Oversizing.
When the city deems it necessary to o require a water main extension that is greater in size than
that required by the City of Auburn design and construction standardsit rloomorl ^oresster"
, , the city may_ ,
The Auburn City Code is current through Ordinance 6912, passed July 17, 2023.
Page 569 of 769
Chapter 13.08 ACC, Water Main Extensions and Payment
Page 3 of 4
wf-4-tea-agreement hettnreen the city and the d&veleper Regotiatedd in -Advance to any work,
compensate the developer for the difference in cost of the oversizing, f
a) the cit)'s purpose for requiring an oversized water main is to provide domestic industrial or
fire protection water service to properties other than those being developed by the developer;
and
b) the developer has executed a written payment agreement with the city prior to commencing-
-any work; and
c) in the city's judgment the extension is economically feasible for the city.
The City Engineer shall determine the size of the oversized water_ main to cer„e the ah, ittinn
nrnne4y chAll he rieterminerl by the city engineer taking into consideration the length of
line, potential land uses and fire flow requirements. (Ord. 5850 § 1, 2004; Ord. 5212 § 1 (Exh. H), 1999;
1957 code § 10.10.040.)
13.08.050 Fire hydrants - Required.
13.08.060 Fire hydrants - Installation on existing mains.
Repealed by Ord. 5850.
13.08.065 Fire hydrants - Installation on existing mains or relocation.
Afire hydrant may he in—ali •(-i _ no rriair or he relocated as approved by the city.
When the city requires the relocation installation or extension of a water main it shall include
The Auburn City Code is current through Ordinance 6912, passed July 17, 2023.
Page 570 of 769
Chapter 13.08 ACC, Water Main Extensions and Payment
Page 4 of 4
installation of fire hydrants according to the provisions of ACC 13.16 and the City of Auburn
design and construction standards.Hydr@r,tS Shall be installed nr relnrated in arcerdaAco with
.. and .. .. .. _ ... .. GF
. . . .. and .. fP-P- VShall be ChaFg@d iR accGrdappe
00
13.08.070 Payback agreement.
Repealed by Ord. 6512. 13.08.080 Connections on unassessed property -
Charge - Generally.
Repealed by Ord. 5850. 13.08.090 Connections on unassessed property -
Charge - Payments - Nonpayment action.
Repealed by Ord. 5850. The Auburn City Code is current through Ordinance 6912, passed
July 17, 2023.
Disclaimer: The city clerk's office has the official version of the Auburn City Code. Users should
contact the city clerk's office for ordinances passed subsequent to the ordinance cited above.
City Website: www.auburnwa.gov
Hosted by Code Publishing Company, A General Code Company.
The Auburn City Code is current through Ordinance 6912, passed July 17, 2023.
Page 571 of 769
Chapter 13.16 ACC, Fire Hydrants
Chapter 13.16
FIRE HYDRANTS
Sections:
Page 1 of 12
13.16.010
Repealed .
13.16.020
Definitions.
13.16.030
Cnorccc�vtrcFire hydrant installation, inspection requirements.
13.16.050
Repealed.
13.16.060
Revealed. In-qt-n-atinn requirements
13.16.070
Special ren--irementeRgpg#erl
Special requirements,
responsibilities, and restrictions.
13.16.080
nrxessihiiit„Repealed.
13.16.090
Repealed.
13.16.100
Fire flow requirements.
13.16.122
Spacing between hydrants
_ RImore than 150 feet from right
af-�aEa�Repealed.
13.16.124
RepealedSpacing between
buildings.
hydrants - Co-M.Merriial or industrial
13.16.126
Repealed
.
13.16.130
Penalty.
Prior legislation: Ords. 2882 and 2862.
13.16.010 Chapter title.
Repealed by Ord. 6952,
The Auburn City Code is current through Ordinance 6912, passed July 17, 2023.
Page 572 of 769
Chapter 13.16 ACC, Fire Hydrants Page 2 of 12
13.16.020 Definitions.
As used in this cha
A. "Fire flow" means the measure of the -sustained available water flow of ava,41AhIp oiarpr_
required for firefighting ,_Q�a specific building or structure within a specific area at 20 pounds
per square inch residual pressure, and shall be rn rrortorl to tho !n,n,oct gallnnano Vail,3
B. "Public Fire hydrant' means a fire hydrant owned by the city or its designee, situated in
public right-of-way or easement and situated and maintained to provide water for firefighting
purposes Public fire hydrants are without restriction as to use for that purpose. The location
of a public fire hydrant is such that it is accessible for immediate use of the fire authority at all
times Fire hydrants connected to public water mains are considered Public Fire Hydrants.
G. "Private Fire Hydrant" means a private fire hydrant situated and maintained to provide
water for firefighting purposes. Private fire hydrants are with restrictions as to use for that
purpose and the property owner retains ownership of the fire hydrant-. The location of private
hydrants are;pa�e set entirely on private property and are accessible for immediate use of
The Auburn City Code is current through Ordinance 6912, passed July 17, 2023.
Page 573 of 769
Chapter 13.16 ACC, Fire Hydrants
• - • • • - ► ET OWN- 7r•7:S��RC1�fnIS7:T1"i7:�1O RTZ:A1:1
hydrants connected to a private water main are "Private Fire Hydrants.'
D. "Fire hydrant" means both private hydrants and public hydrants.
•(Exh.•• • • 991 • • 064 • •
Page 3 of 12
13.16.030 RequiredFire hydrant installation, inspection requirements.
A. The city engineer may require, according to the Auburn engineering design and
construction standards, the installation of fire hydrants when a new main is installed. AI1Pew-
Mee;Rg t ;e stg s rued R marts -Chapter. f�aee:ate fire PrPt-et*��.
B. All fire hydrants installed or relocated in the city's identified water service boundary, area
shall be subject to testing and inspection by the city or its designee. All fire hydrants shall be
installed in accordance with City of Auburn design and construction standards and applicable
permits. Unless otherwise provided by agreement, installation of a hydrant requires payment
of an application and inspection fee in the amount set by the City of Auburn fee schedule.
The Auburn City Code is current through Ordinance 6912, passed July 17, 2023.
Page 574 of 769
Chapter 13.16 ACC, Fire Hydrants
Page 4 of 12
The Auburn City Code is current through Ordinance 6912, passed July 17, 2023.
Page 575 of 769
Chapter 13.16 ACC, Fire Hydrants
Page 5 of 12
The Auburn City Code is current through Ordinance 6912, passed July 17, 2023.
Page 576 of 769
Chapter 13.16 ACC, Fire Hydrants
13.16.050 Flush -type hydrants prohibited.
Repealed by Ord. 6952.
13.16.060 Installation requirements.
Page 6 of 12
Repealed by Ord. 6952.All fire hydraAts Sh-il, be The ipstallarion of all fire hydPapts;
I M. Me Me - 0 1
The Auburn City Code is current through Ordinance 6912, passed July 17, 2023.
Page 577 of 769
Chapter 13.16 ACC, Fire Hydrants Page 7 of 12
• ..
The Auburn City Code is current through Ordinance 6912, passed July 17, 2023.
Page 578 of 769
Chapter 13.16 ACC, Fire Hydrants
Page 8 of 12
13.16.070 Special requirements, responsibilities, and restrictions.
A. When required by the city engineer, the owner of private property shall own and be
responsible to maintain any private fire hydrant or water main installed on that private
property solely to provide it with fire protection.
B. Any such private fire hydrant and water main shall be installed in accordance with City of
Auburn engineering design and construction standards, and a backflow device meeting the
engineering_ design and construction standards shall be installed on any privately installed
water mains for protection of the public water system.
C. The water supplied by private fire hydrants may only be used for fire hydrant maintenance
activities or for fire protection. Any other private fire hydrant water use is prohibited, except
as ACC 13.06.415 permits.
The Auburn City Code is current through Ordinance 6912, passed July 17, 2023.
Page 579 of 769
Chapter 13.16 ACC, Fire Hydrants Page 9 of 12
13.16.080 Accessibility.
Repealed by Ord. 6952.
13.16.090 Dead-end mains prohibited.
Repealed by Ord. 6952.
The Auburn City Code is current through Ordinance 6912, passed July 17, 2023.
Page 580 of 769
Chapter 13.16 ACC, Fire Hydrants Page 10 of 12
13.16.100 Fire flow requirements.
The fire flow requirements of a building, structure, storage pile or area of new development,
redevelopment, or change in land use shall be the minimums established in the City of Auburn
Engineering Design Standards. For purposes of this chapter, redevelopment shall be as defined
in ACC 13.48.010. Building construction, alteration, addition, repair, or change of use may
require additional fire flow whenever fire sprinkler systems are required based on building size,
occupancy, and use in accordance with Chapter 15.36A ACC.
13.16.122 Spacing between hydrants - Buildings more than 150 feet
from right-of-way.
Repealed by Ord. 6952.
The Auburn City Code is current through Ordinance 6912, passed July 17, 2023.
Page 581 of 769
Chapter 13.16 ACC, Fire Hydrants
Page 11 of 12
13.16.124 Spacing between hydrants - Commercial or industrial
buildings.
Repealed by Ord. 6952.
13.16.126 Spacing between hydrants - Apartment buildings.
Repealed by Ord. 6952.
13.16.130 Penalty.
Any violation of this chapter sha#mav be enforced pursuant to the provisions of Chapter 1.25
ACC. The provisions of that chapter are not the exclusive remedy and enforcement actions
pursuant to the chapter shall not bar or otherwise limit the right of the city to seek all other
remedies allowed under applicable law, or to seek and obtain Judicial enforcement by means of
specific performance, injunctive relief, mandate, or any other remedy at law or in equity. (Ord.
4502 § 10, 1991; Ord. 3064 § 1, 1976.)
The Auburn City Code is current through Ordinance 6912, passed July 17, 2023.
Page 582 of 769
Chapter 13.16 ACC, Fire Hydrants
The Auburn City Code is current through Ordinance 6912, passed July 17, 2023.
Page 12 of 12
Disclaimer: The city clerk's office has the official version of the Auburn City Code. Users should
contact the city clerk's office for ordinances passed subsequent to the ordinance cited above.
City Website: www.auburnwa.gov
Hosted by Code Publishing Company, A General Code CompgDy.
The Auburn City Code is current through Ordinance 6912, passed July 17, 2023.
Page 583 of 769
ENGINEERING SERVICES
FIRE HYDRANT CITY CODE
UPDATE
RYAN VON DRAK, UTILITIES
ENGINEERING MANAGER
CITY COUNCIL STUDY SESSION
AUGUST 26, 2024
AUBURN
VALUES
S E R V I C E
E N V I R O N M E N T
E C O N O M Y
C H A R A C T E R
SUSTAINAB ILITY
W E L L N E S S
CELEBRATION
January February -
22, February August August 26,
2024 1572024 2024 � 2024
• Design Standards • Design Standards • Draft Code Updates • Draft Code Update
Update to Council Published to Council
SERVICE . ENVIRONMENT . ECONOMY . CHARACTER . SUSTAINABILITY . WELLNESS . CELEBRATION
Page 585 of 769
Water Main Upsizing
■ Purpose:
Create a more equitable approach to water main upsizing, placing the focus more on pressure,
demand, and velocity constraints.
Water Main Pipe Velocities
■ Purpose:
Reduce inconsistencies in water main sizing requirements, placing the focus more on pressure,
demand, and velocity constraints.
Private Fire Hydrants
■ Purpose:
Place responsibility for maintaining fire hydrant and water mains installed only for fire
protection of private property on the property owner, while maintaining integrity of the publicly
owned system.
_ — - - - SERVICE. ENVIRONMENT. ECONOMY .CHARACTER . SUSTAINABILITY .WELLNESS .CELEBRATION a
Page 586 of 769
ACC 13.06.027 Water System Responsibility
■ Purpose:
Provides additional clarification on water system ownership and maintenance responsibilities
for both public and private systems and indicating private water systems need to comply with
the City's Design and Construction Standards.
j SERVICE* ENVIRONMENT . ECONOMY . CHARACTER . SUSTAINABILITY . WELLNESS . CELEBRATION a
Page 587 of 769
ACC 13.08.010 Chapter Purpose
■ Purpose:
Provide consistency in ACC's. This aligns with other Chapters that do not have purpose
sections contained within them.
ACC 13.08.015 Definitions
■ Purpose:
Remove definitions no longer used in the Chapter.
SERVICE. ENVIRONMENT. ECONOMY . CHARACTER . SUSTAINABILITY . WELLNESS . CELEBRATION s
Page 588 of 769
ACC 13.08.020 Supervision and Extent
■ Purpose:
Remove statements that are direct references to the engineering design standards and provide
direction on requirements for water main extensions.
ACC 13.08.030 Main installation - Cost liability - Specifications
■ Purpose:
Remove the reference to the comprehensive water plan for water main sizing that is an engineering
design standards statement and add statement to clarify requirements for maintenance
responsibilities of private water mains.
li�__ _ SERVICE . ENVIRONMENT . ECONOMY . CHARACTER . SUSTAINABILITY . WELLNESS . CELEBRATION 6
Page 589 of 769
ACC 13.08.040 Oversizing
■ Purpose:
Provide clarity for oversizing water main extensions installed by others and under what
instances the City may pay for the oversizing.
ACC 13.08.050 Fire hydrants - Required
■ Purpose:
Remove redundant statements.
SERVICE . ENVIRONMENT . ECONOMY . CHARACTER . SUSTAINABILITY . WELLNESS . CELEBRATION 7
Page 590 of 769
ACC 13.08.065 Fire hydrants Installation on existing mains r relocation
■ Purpose:
Provide clarity in the intent of the section, keeping the focus on water mains and direct the
reader to the appropriate references for fire hydrant installations.
SERVICE . ENVIRONMENT . ECONOMY . CHARACTER . SUSTAINABILITY . WELLNESS . CELEBRATION s 1
Page 591 of 769
ACC 13.16.010 Chapter title
■ Purpose:
Provide consistency in ACC's. This aligns with other Chapters that do not have chapter title
sections contained within them.
ACC 13.16.020 Definitions
■ Purpose:
Remove definitions no longer used in the Chapter. To be consistent with changes proposed in
the sections, modify definitions of Fire Hydrants (Public and Private).
SERVICE. ENVIRONMENT. ECONOMY . CHARACTER . SUSTAINABILITY. WELLNESS . CELEBRATION s
Page 592 of 769
ACC 13.16.030 Re,T�aFire hydrant installation, inspection requirements
■ Purpose:
Remove redundant language that is already identified in the International Fire Code and add
language on testing and inspection requirements and fire hydrant installation requirements.
ACC 13.16.050 Flush -type hydrants prohibited
Purpose:
Remove language that is implied or stated in other ACC sections or referenced in the
engineering design standards.
SERVICE . ENVIRONMENT . ECONOMY . CHARACTER . SUSTAINABILITY . WELLNESS . CELEBRATION so
Page 593 of 769
ACC 13.16.060 Installation requirements
■ Purpose:
Remove language that is stated in the engineering design standards.
ACC 13.16.070 Special requirements, responsibilities, and restrictions
■ Purpose:
Remove language that is stated in the engineering design standards or outdated and replace with
specifics for special requirements, responsibilities and restrictions that are more appropriate for
ACC.
SERVICE. ENVIRONMENT* ECONOMY* CHARACTER . SUSTAINABILITY . WELLNESS . CELEBRATION
Page 594 of 769
11
ACC 13.16.080 Accessibility
■ Purpose:
Remove language that is referenced in the engineering design standards.
ACC 13.16.090 Dead-end mains prohibited
■ Purpose:
Remove language that is stated in the engineering design standards or outdated.
SERVICE . ENVIRONMENT . ECONOMY . CHARACTER . SUSTAINABILITY . WELLNESS . CELEBRATION 12__j
Page 595 of 769
ACC 13.16.100 Fire flow requirements
■ Purpose:
Remove outdated references and provide clarity on the requirements for meeting fire flow
minimums.
ACC 13.16.122 Spacing between hydrants — Buildings more than 150 feet from right-of-
way
■ Purpose:
Remove language that is stated in National Fire Protection Association Pamphlets or the
engineering design standards.
SERVICE . ENVIRONMENT . ECONOMY . CHARACTER . SUSTAINABILITY . WELLNESS . CELEBRATION 13
Page 596 of 769
ACC 13.16.124 Spacing between hydrants - Commercial or industrial buildings
■ Purpose:
Remove language that is stated in National Fire Protection Association Pamphlets or the
engineering design standards.
ACC 13.16.126 Spacing between hydrants - Apartment Buildings
■ Purpose:
Remove language that is stated in National Fire Protection Association Pamphlets or the
engineering design standards.
SERVICE* ENVIRONMENT* ECONOMY . CHARACTER . SUSTAINABILITY . WELLNESS . CELEBRATION
Page 597 of 769
ACC 13.16.130 Penalty
■ Purpose:
Add further descriptors for assessing penalties for clarity.
SERVICE . ENVIRONMENT . ECONOMY . CHARACTER . SUSTAINABILITY . WELLNESS . CELEBRATION
Page 598 of 769
SERVICE . ENVIRONMENT . ECONOMY . CHARACTER . SUSTAINABILITY . WELLNESS . CELEBRATION ss
Page 599 of 769
CITY OF * -�`
AUBUi AGENDA BILL APPROVAL FORM
WASHINGTON
Agenda Subject:
Ordinance No. 6953 (Gaub) (10 Minutes)
Department:
Public Works
Attachments:
Ordnance No. 6953
[xhititA
Vicinih Map
Administrative Recommendation:
For discussion only.
Background for Motion:
Background Summary:
Date:
August 20, 2024
Budget Impact:
Current Budget: $0
Proposed Revision: $0
Revised Budget: $0
The applicant, Ralph Pozzi has indicated to the City that they will be unable to complete
conditions associated with Right -of -Way Vacation No. VAC21-0002 previously approved by
City Council on December 20, 2021 under Ordinance No. 6839. The vacation is for a portion
of West Main Street, east of Lund Road SW.
Vacation Ordinance No. 6839 initially required the applicant to complete conditions
associated with the vacation by December 20, 2022. The applicant was unable to complete
all conditions by that time and requested an extension to September 20, 2023 which was
approved by City Council under Ordinance No. 6893. The applicant was again unable to
complete all conditions by September 20, 2023 and requested another extension to
September 30, 2024 which was approved by City Council under Ordinance No. 6916.
The applicant contacted the City on August 2, 2024 and once again indicated that they would
not be able to complete all conditions of the vacation by the deadline of September 30, 2024,
City Staff have reviewed the right-of-way and determined that it is still no longer necessary to
meet the needs of the City and that the conditions of the vacation which the applicant is
unable to complete could be modified so that the vacation can take effect. The applicant has
agreed that they will be responsible for completing the conditions as modified to be
completed after the vacation takes effect. These conditions include obtaining permits,
modifying storm infrastructure and constructing appropriate site improvements within the
vacated right-of-way that becomes the applicants property including storm drainage, parking,
lighting, and landscaping to meet City standards.
If adopted, Ordinance No. 6953 amends Ordinance No. 6916, 6893, and 6839 modifying the
requirement for the applicant to complete certain conditions associated with Right -of -Way
Vacation No. VAC21-0002. A depiction of the vacation area is included with Ordinance No.
6916, Exhibit A and the Vicinity Map, in the packet.
Page 600 of 769
Reviewed by Council Committees:
Councilmember: Tracy Taylor Staff: Ingrid Gaub
Meeting Date: August 26, 2024 Item Number:
Page 601 of 769
ORDINANCE NO. 6953
AN ORDINANCE OF THE CITY COUNCIL OF THE CITY OF
AUBURN WASHINGTON, AMENDING CONDITIONS OF
ORD. NO. 6839 ASSOCIATED WITH VACATING RIGHT-OF-
WAY OF A PORTION OF WEST MAIN STREET, EAST OF
LUND ROAD SW, WITHIN THE CITY OF AUBURN,
WASHINGTON
WHEREAS, the City of Auburn, Washington ("City"), approved Ordinance No. 6839
on December 20, 2021, vacating right-of-way located within a portion of West Main Street,
east of Lund Road SW, within the City, subject to conditions outlined in that Ordinance; and,
WHEREAS, Section 1, Paragraph I of Ordinance No. 6839 required that all
conditions of the vacation be completed by December 20, 2022 or the vacation and
Ordinance would be null and void; and,
WHEREAS, pursuant to Auburn City Code (ACC) 12.48.090 and before the
December 20, 2022 deadline in Ordinance No. 6839, the applicant requested additional time
to complete the required conditions of Ordinance No. 6839. The City Council granted the
request by passing Ordinance No. 6893, which amended Ordinance No. 6839 to extend its
vacation condition deadline to September 20, 2023; and,
WHEREAS, by letter dated July 10, 2023, the applicant indicated they were not able
to complete the vacation conditions in Section 1, paragraphs F and G of Ordinance No. 6839
by the amended September 20, 2023 deadline set by Ordinance No. 6893 and requested
additional time to complete the conditions. The City Council granted the request by passing
Ordinance No. 6916, which amended Ordinance No. 6839 and 6893 and provided a second
-----------------
Ordinance No. 6953
ROW Vacation VAC21-0002
August 21, 2024
Page 1 of 4
Page 602 of 769
extension of time to complete the vacation conditions in Section 1, paragraphs F and G of
Ordinance No. 6839 to September 30, 2024. A copy of Ordinance No. 6919 is attached as
Exhibit A; and,
WHEREAS, by written correspondence dated August 2, 2024, the applicant has
indicated that they will not be able to complete vacation conditions in Section 1, paragraphs
F and G of Ordinance No. 6839 by the amended September 30, 2024 deadline set by
Ordinance No. 6916, and,
WHEREAS, the applicant has agreed that they will be responsible for completing the
conditions as stated in Section 1, paragraphs F and G of Ordinance No. 6839 after the right-
of-way vacation takes effect if those conditions are modified in the vacation and the applicant
has agreed to pursue completion of those conditions after the vacation takes effect to bring
the vacated right-of-way that becomes that applicant's property into compliance with City
codes and standards; and,
WHEREAS, the City has determined that it is in the public interest to amend the
conditions of the vacation to modify the requirement to complete the vacation conditions in
Section 1, paragraphs F and G of Ordinance No. 6839 and that the vacation of right-of-way
of a portion of West Main Street, east of Lund Road SW as described in Ordinance No. 6839
become effective.
WHEREAS, the City Council has considered matters concerning the proposed
vacation and approves the amendment to modify the requirement for the applicant to
complete the requirements in Section 1, paragraphs F and G of Ordinance No. 6839 as
-----------------
Ordinance No. 6953
ROW Vacation VAC21-0002
August 21, 2024
Page 2 of 4
Page 603 of 769
conditions of the vacation.
NOW, THEREFORE, THE CITY COUNCIL OF THE CITY OF AUBURN,
WASHINGTON DO ORDAIN as a non -codified ordinance as follows:
Section 1. Amendment of City Ordinance. Section 1, Paragraphs F and G of
Ordinance No. 6839 are modified to be required following the vacation becoming effective
and Paragraph I is amended to read as follows:
This vacation shall be effective upon completion of the provisions in
paragraph F, G, and H, above. The above described provisions of
paragraph H must be completed by December 20, 2022, and the abGve
2824; or the vacation and this Ordinance will be null and void, and the
provisions of paragraphs F and G must be completed by the vacation
applicant following the vacation becoming effective.
Section 2. Constitutionality or Invalidity. If any portion of this Ordinance or
its application to any person or circumstances is held invalid, the remainder of the Ordinance
or the application of the provisions to other persons or circumstances shall not be affected.
Section 3. Implementation. The mayor is authorized to implement such
administrative procedures as may be necessary to carry out the directives of this location.
Section 4. Effective Date. This Ordinance shall take effect and be in force
five (5) days from and after passage, approval, and publication as provided by law.
Section 5. Recordation. The City Clerk is directed to record this Ordinance
together with Ordinance No. 6916, Ordinance No. 6893, and Ordinance No. 6839 with the
office of the King County Auditor only upon completion of those conditions set forth in
-----------------
Ordinance No. 6953
ROW Vacation VAC21-0002
August 21, 2024
Page 3 of 4
Page 604 of 769
Ordinance No. 6839, at which time the vacation pursuant to Ordinance No. 6839 shall be
effective under Auburn City Code 12.48.080.
INTRODUCED:
PASSED:
APPROVED:
NANCY BACKUS, MAYOR
ATTEST: APPROVED AS TO FORM:
Shawn Campbell, MMC, City Clerk Jason Whalen, City Attorney
PUBLISHED:
-----------------
Ordinance No. 6953
ROW Vacation VAC21-0002
August 21, 2024
Page 4 of 4
Page 605 of 769
Exhibit "A"
ORDINANCE NO. 6916
AN ORDINANCE OF THE CITY COUNCIL OF THE CITY OF
AUBURN WASHINGTON, AMENDING ORD. NO. 6839 AND
EXTENDING THE DEADLINE TO COMPLETE CONDITIONS
ASSOCIATED WITH VACATING RIGHT-OF-WAY OF A
PORTION OF WEST MAIN STREET, EAST OF LUND ROAD
SW, WITHIN THE CITY OF AUBURN, WASHINGTON
WHEREAS, the City of Auburn, Washington ("City"), approved Ordinance No. 6839
on December 20, 2021, vacating right-of-way located within a portion of West Main Street,
east of Lund Road SW, within the City, subject to conditions outlined in that Ordinance; and,
WHEREAS, Section 1, Paragraph I of Ordinance No. 6839 required that all
conditions of the vacation be completed by December 20, 2022 or the vacation and
Ordinance would be null and void; and,
WHEREAS, pursuant to Auburn City Code (ACC) 12.48.090 and before the
December 20, 2022 deadline in Ordinance No. 6839, the applicant requested additional time
to complete the required conditions of Ordinance No. 6839. The City Council granted the
request by passing Ordinance No. 6893, which amended Ordinance No. 6839 to extend its
vacation condition deadline to September 20, 2023. A copy of Ordinance . no. 6893 is
attached as Exhibit A to this Ordinance; and,
WHEREAS, by letter dated July 10, 2023, the applicant has indicated that due to
unresolved permitting issues, they will not be able to complete the vacation conditions in
Section 1, paragraphs F and G of Ordinance No. 6839 by the amended September 20, 2023
deadline set by Ordinance No. 6893. The applicant again requests additional time to
-----------------
Ordinance No. 6916
ROW Vacation VAC21-0002
August 1, 2023
Page 1 of 3
Page 606 of 769
complete the conditions, and estimates completion by September 30, 2024; and,
WHEREAS, the City has determined that the applicant's request to have a second
extension of time until September 30, 2024 to complete the conditions in Section 1,
Paragraphs F and G of Ordinance No. 6839, is reasonable in light of the unresolved
permitting issues, and that it is in the public interest to continue the deadline; and,
WHEREAS, the City Council has considered and approves the applicant's request
for extension.
NOW, THEREFORE, THE CITY COUNCIL OF THE CITY OF AUBURN,
WASHINGTON DO ORDAIN as a non -codified ordinance as follows:
Section 1. Amendment of City Ordinance. Section 1, Paragraph I of
Ordinance No. 6839 is amended to read as follows:
This vacation shall be effective upon completion of the provisions in
paragraph F, G, and H, above. The above described provisions of
paragraph H must be completed by December 20, 2022, and the above
provisions of paragraphs F and G must be completed by September 30
2024, or the vacation and this Ordinance will be null and void.
Section 2. Constitutionality or Invalidity. If any portion of this Ordinance or
its application to any person or circumstances is held invalid, the remainder of the Ordinance
or the application of the provisions to other persons or circumstances shall not be affected.
Section 3. Implementation. The mayor is authorized to implement such
administrative procedures as may be necessary to carry out the directives of this location.
Section 4. Effective Date. This Ordinance shall take effect and be in force
-----------------
Ordinance No. 6916
ROW Vacation VAC21-0002
August 1, 2023
Page 2 of 3
Page 607 of 769
five (5) days from and after passage, approval, and publication as provided by law.
Section 5. Recordation. The City Clerk is directed to record this Ordinance
together with Ordinance No. 6893 and Ordinance No. 6839 with the office of the King County
Auditor only upon completion of those conditions set forth in Ordinance No. 6839, at which
time the vacation pursuant to Ordinance No. 6839 shall be effective under Auburn City Code
12.48.080.
INTRODUCED: AUG 2 1.2023
PASSED: AUG 2 1 2023
APPROVED: AUG 2 1 2023
NA JYA",AYOR
ATTEST: APPR V—ED—AAS—`F_0�
Shawn Campbell, MMC, City Clerk Harry Boesche, Ac mg City Attorney
PUBLISHED:
-----------------
Ordinance No. 6916
ROW Vacation VAC21-0002
August 1, 2023
Page 3 of 3
Page 608 of 769
Exhibit A
ORDINANCE NO.6893
AN ORDINANCE OF THE CITY COUNCIL OF THE CITY OF
AUBURN WASHINGTON, AMENDING DEADLINE TO
COMPLETE CONDITIONS ASSOCIATED WITH VACATING
RIGHT-OF-WAY OF A PORTION OF WEST MAIN STREET,
EAST OF LUND ROAD SW, WITHIN THE CITY OF AUBURN,
WASHINGTON
WHEREAS, the City of Auburn, Washington ("City"), approved. Ordinance No. 6839
on December 20, 2021, a copy of which is attached as Exhibit A, �acating right-of-way
i
located within a portion of West Main Street, east of Lund Road SW, within the City, subject
to conditions outlined in Ordinance No. 6839; and,
WHEREAS, Section 1, Paragraph I of Ordinance No. 6839 required that all
conditions of the vacation be completed by December 20, 2022 or the vacation and
Ordinance will be null and void; and,
WHEREAS, the applicant has requested additional time to complete the conditions
set forth in Section 1, Paragraphs F and G of Ordinance No. 6839; and,
WHEREAS, the City has determined that the applicant's request to have one
extension of time until September 20, 2023 to complete the conditions in Section 1,
Paragraphs F and G of Ordinance No. 6839, is reasonable in light of unforeseeable
circumstances, and that it is in the public interest to continue the deadline; and,
WHEREAS, the City has determined that the deadline to complete all other
conditions in Section 1 of Ordinance No. 6839 shall remain December 20, 2022; and,
WHERAS, the City Council has considered the request for extension.
NOW, THEREFORE, THE CITY COUNCIL OF THE CITY OF AUBURN,
-----------------
Ordinance No. 6893
ROW Vacation VAC21-0002
November 7, 2022
Page 1 of 3
Page 609 of 769
WASHINGTON DO ORDAIN as a non -codified ordinance as follows:
Section 1. Extension. The deadline for completing the right of way vacation
conditions in Section 1, Paragraphs F and G of Ordinance'No. 6839 is continued in a one-
time extension to September 20, 2023. The applicant's deadline to complete all other
conditions of the right of way vacation in Ordinance No. 6839 shall remain December 20,
2022.
Section 2. Constitutionality or Invalidity. If any portion of this Ordinance or
its application to any person or circumstances is held invalid, the remainder of the Ordinance
or the application of the provisions to other persons or circumstances shall not be affected.
Section 3. Implementation. The mayor is authorized to implement such
administrative procedures as may be necessary to carry out the directives of this location.
Section 4. Effective Date. This Ordinance shall take effect and be in force
five (5) days from and after passage, approval, and publication as provided by law.
--------------- - -
Ordinance No. 6893
ROW Vacation VAC21-0002
November 7, 2022
Page 2 of 3
Page 610 of 769
Section 5. Recordation. The City Clerk is directed to record this Ordinance
together with Ordinance No. 6839 with the office of the King County Auditor only upon
completion of those conditions set forth in Ordinance No. 6839, at which -time the vacation
pursuant to Ordinance No. 6839 shall be effective under Auburn City Code 12.48.080.
INTRODUCED: DEC 0 5 2022
ATTEST:
f1r: Shawn Campbell, MMC, City Clerk
PUBLISHED:
-----------------
Ordinance No. 6893
ROW Vacation VAC21-0002
November 7, 2022
Page 3of3
PASSED: DEC 0 5 2022
APPROVED: DEC 0 5 2022
• i4q(CKUS, .
APPROVED AS TO FORM:
�utro . CLp-VAvx
Kendra Comeau, City Attorney
Page 611 of 769
Exhibit "A"
ORDINANCE NO.6839
AN ORDINANCE OF THE CITY COUNCIL OF THE CITY OF
AUBURN WASHINGTON, VACATING -RIGHT-OF-WAY OF A
PORTION OF WEST MAIN STREET, EAST OF LUND ROAD
SW, WITHIN THE CITY OF AUBURN, WASHINGTON.
WHEREAS, the City of Auburn, Washington ("City"), has received a petition signed
by at least two-thirds (2/3) of the owners of property abutting right-of-way located within a
portion of West Main Street, east of Lund Road SW, within the City of Auburn, requesting
vacation of the right-of-way; and,
WHEREAS, as required by Chapter 12.48 of the Auburn City Code, a' public hearing
was held in connection with the possible vacation, with notice having been provided
pursuant to statute; and,
WHEREAS, the City Council has considered all matters presented at the public
hearing on the proposed vacation, held on the 20th day of December, 2021, at the Auburn
City Council Chambers in Auburn, Washington.
NOW, THEREFORE, THE CITY COUNCIL OF THE CITY OF AUBURN,
WASHINGTON DO ORDAIN as a non -codified ordinance as follows:
Section 1. Vacation. That the right of way located at a portion of West Main
Street, east of Lund Road SW, located within the City of Auburn, Washington, legally
described as follows:
COMMENCING AT THE NORTHEAST CORNER OF LOT 1
OF CITY OF. AUBURN SHORT PLAT NUMBER SPA 1-85,
RECORDED JANUARY 08, 1986 UNDER RECORDING
NUMBER 8601080790, IN KING COUNTY, WASHINGTON;
THENCE NORTH 86014'47" WEST ALONG THE NORTH
-----------------
Ordinance No. 6839
ROW Vacation VAC21-0002
November 3, 2021
Page 1 of 7 i
Page 612 of 769
LINE OF SAID LOT 1 A DISTANCE OF 65.87 FEET;
THENCE SOUTH 03045'13" WEST 3.00 FEET TO THE
BEGINNING;
THENCE CONTINUING SOUTH 03°45'13" WEST 27.00 FEET
TO THE BEGINNING OF A NON -TANGENT CURVE TO THE
RIGHT THE RADUIS POINT OF WHICH BEARS NORTH
03045'13" EAST DISTANT 2260.00 FEET; i
THENCE ALONG SAID CURVE THROUGH A CENTRAL
ANGLE OF 8"35'30" AN ARC LENGTH OF 338.89 FEET;
THENCE NORTH 77039'17' WEST 31.05 FEET;
THENCE NORTH 86°14'47" WEST 30.07 FEET TO THE
BEGINNING OF A NON -TANGENT CURVE TO THE RIGHT
THE RADIUS POINT OF WHICH BEARS SOUTH 80054'28."
EAST DISTANT 30.00 FEET;
THENCE ALONG SAID CURVE THROUGH A CENTRAL
ANGLE OF 94002'01" AN ARC LENGTH OF 49.24 FEET TO
THE BEGINNING OF A CURVE TO THE LEFT HABING A
RADUIS OF 2233.00 FEET;
THENCE ALONG SAID CURVE THROUGH A CENTRAL
ANGLE OF 9022'20" AN ARC LENGTH OF 365.27 FEET TO
THE POINT OF BEGINNING.
CONTAINING AN AREA OF 10,620 SQUARE FEET, MORE
OR LESS.
and as shown on the survey, a copy of which is attached, marked Exhibit "A" is vacated and
the property lying In the right-of-way described, shall inure and belong tol- those persons
entitled to receive the property In accordance with RCW 35.79.040, conditioned upon the
following:
A. Reservation in favor of the City of a perpetual Nonexclusive Easement
under, over, through and across the vacated right-of-way as described above for the
purpose of laying, maintaining, and Installing future and existing water, isanitary sewer
and storm water facilities and including a reservation in favor of the City of the right to
grant easements for utilities over, under and on all portions of the vacated right-of-way as
-----------------
Ordinance No. 6839
ROW Vacation VAC21-0002
November 3, 2021
Page 2 of 7
Page 613 of 769
described above.
i
The City shall have the absolute right, at times as may be necessary for immediate
entry upon said Easement Area for the purpose of maintenance, inspection, construction,
repair or reconstruction of the above improvements without Incurring any legal obligation
or liability.
The City shall have the absolute right to place any type of drivirig surface within
said Easement Area deemed necessary by the City.
The owners of the adjacent properties agree and shall not in any way block, restrict
or impede access and egress to or from said Easement Area, and /or In any way block,
restrict or impede full use of the real property within the Easement Area by the City,for
the above described purposes. No building, wall, rockery, fence, trees, or structure of
any kind shall be erected or planted, nor shall any fill material be placed within the
boundaries of said Easement Area, without the express written consent of the City.
Except as required or approved by the City, no excavation shall be made within three feet
of said facilities. The surface level of the ground within the Easement Area shall be
maintained at the elevation as currently existing except areas that were previously graded
and must be re -graded to satisfy conditions of this right-of-way vacation as set forth in
i
paragraphs F and G.
i
This easement shall be a covenant running with the adjacent property parcels and
burden said real estate, and shall be binding on the successors, heirs and assigns of all
parties.
Ordinance No. 6839
ROW Vacation VAC21-0002
November 3, 2021
Page 3 of 7
Page 614 of 769
B. Under the terms of the reservation set out in Paragraph A above and in
accordance with RCW 35.79.030, the City grants a private utility easement to Puget
Sound Energy over, under, and upon the vacated right-of-way as described above for the
construction, operation, maintenance, repair, replacement, improvement and removal of
electric and gas distribution facilities. The owners of the adjacent property shall not erect
any structures on the easement and shall not place trees or other obstructions on the
easement that would interfere with the exercise of Grantee's rights.
This easement shall be a covenant running with the adjacent property parcels and
burden said real estate, and shall be binding on the successors, heirs and assigns of all
parties.
C. In accordance with RCW 35.79.030, the City grants a' private utility
easement to CenturyLink over, under and upon the vacated right-of-way as described
above for the construction, operation, maintenance, repair, replacement, improvement
and removal of wireline telecommunications facilities. The owners of the adjacent
properties shall not erect any structures on the easement and shall not place trees or
other obstructions on the easement that would interfere with the exercise of Grantee's
rights.
This easement shall be a covenant running with the adjacent property parcels and
burden said real estate, and shall be binding on the successors, heirs and assigns of all
parties.
-----------------
Ordinance No. 6839
ROW Vacation VAC21-0002
November 3, 2021
Page 4 of 7
Page 615 of 769
D. In accordance with RCW 35.79.030, the City grants a private utility
easement to Comcast over, under and upon the vacated right-of-way as described above
for the construction, operation, maintenance, repair, replacement, improvement and
removal of cable facilities. The owners of the adjacent properties shall not erect any
structures on the easement and shall not place trees or other obstructions on the
easement that would interfere with the exerclse of Grantee's rights.
This easement shall be a covenant running with the adjacent property parcels and
burden said real estate, and shall be binding on the successors, heirs and assigns of all
parties.
E. It is provided, however that such reserved or granted utility and access
easements as set out in Paragraphs A, B, C and D above may be modified to
accommodate a removal, relocation and sitting of the affected utility lines if the Utility and
the property owners on whose property the utility lines are located agree;to the removal
relocations and sitting being paid by said property owners and with the removal relocation
and sitting being done in conformity with applicable standards.
F. The applicant shall move the existing fence to the current property line ( as
it exists prior to vacation) and obtain a Grading Permit to remove gravel and construct
proper site improvements for storm drainage to storm inlet structures, parking, lighting
and landscaping per City requirements and Engineering Design and Construction
Standards.
-----------------
Ordinance No. 6839
ROW Vacation VAC21-0002
November 3, 2021
Page 5 of 7
Page 616 of 769
G. The applicant shall obtain required permits and replace the domed storm
inlet structures with a standard grate and shall install concrete aprons around all storm
inlet structures perthe City's Standard Details.
H. In accordance with RCW 35.79.0360 and ACC 12.48.086, compensation to
the City of Auburn, shall be made by the owner or owners of property adjacent thereto in
the total amount of Forty-five Thousand ($45,000.00) Dollars for the full appraised value
of the right-of-way, which has been right-of-way for more than twenty-five (25) years and
for which public funds were expended.
1. This vacation shall be effective upon completion of the provisions in
paragraph F, G, and H. above. The above described provisions must be completed by
December 20, 2022 or the vacation and this Ordinance will be null and void.
Section 2. Constitutionality or Invalidity. If any
portion of this Ordinance or
its application to any person or circumstances is held invalid, the remainder of the Ordinance
or the application of the provisions to other persons or circumstances shall, not be affected.
Section 3. Implementation. The Mayor is authorized to implement such
administrative procedures as may be necessary to carry out the directives of this location.
Section 4. Effective Date. This Ordinance shall take effect, and be in force
five (5) days from and after passage, approval, and publication as provided by law.
-----------------
Ordinance No. 6839
ROW Vacation VAC21-0002
November 3, 2021
Page 6 of 7
Page 617 of 769
Section S. Recordation. The City Clerk is directed to record this Ordinance
with the office of the King County Auditor only upon completion of those provisions set forth
in Section 1, Paragraphs F, G, and H, above, at which time the vacation pursuant to this
Ordinance shall be effective under Auburn City Code 12.48.080.
ATTEST:
Shawn Campbell, MMC, City Clerk
PUBLISHED:
-----------------
Ordinance No. 6839
ROW Vacation VAC21-0002
November 3, 2021
Page 7 of 7
INTRODUCED: DEC 2 0 2021
PASSED: DEC 2 0 2021
APPROVED: DEC 2 0 '2021
ANCY US, MAYOR
APPROVED AS TO FORM:
Un&-L v\
Kendra Comeau, City Attorney !
Page 618 of 769
EXHIBI T A
PAGE 1
RIGHT OF WAY VACATION LEGAL DESCRIPTION
COMMENCING AT THE NORTHEAST CORNER OF LOT 1 OF CITY OF
AUBURN SHORT PLAT NUMBER SP-11-85, RECORDED JANUARY 08,
1986 UNDER RECORDING NUMBER 8601080790, IN KING COUNTY,
WASHINGTON.
THENCE NORTH 86'14'47' WEST ALONG THE NORTH LINE OF SAID LOT
1 A DISTANCE OF 65.87 FEET;
THENCE SOUTH 03'45'13' WEST 3.00 FEET TO THE POINT OF
BEGINNING,
THENCE CONTINUING SOUTH 03'45'13' WEST 27.00 FEET TO THE
BEGINNING OF A NON —TANGENT CURVE TO THE RIGHT THE RADIUS
POINT OF WHICH BEARS NORTH 03'45'13' EAST DISTANT 2260.00
FEET;
THENCE ALONG SAID CURVE THROUGH A CENTRAL ANGLE OF 8*3W30"
AN ARC LENGTH OF 338.89 FEET;
THENCE NORTH 77'39'17' WEST 31.05 FEET;
THENCE NORTH 86'14'47' WEST 30.07 FEET TO THE BEGINNING OF A
NON —TANGENT CURVE TO THE RIGHT THE RADIUS POINT OF WHICH
BEARS SOUTH 80'5428' EAST DISTANT 30.00 FEET;
THENCE ALONG SAID CURVE THROUGH A CENTRAL ANGLE OF 94'02'01'
AN ARC LENGTH OF 49.24 FEET TO THE BEGINNING OF A CURVE TO
THE LEFT HAVING A RADIUS OF 2233.00 FEET;
THENCE ALONG SAID CURVE THROUGH A CENTRAL ANGLE OF 9'22'20'
AN ARC LENGTH OF 365.27 FEET TO THE POINT OF BEGINNING.
CONTAINING AN AREA OF 10,620 SQUARE FEET, MORE OR LESS.
A PORTION OF THE NE 1/4 OF THE SW 1/4 OF
SECTION 13, T21 N, R4E, WX
informed land survey
PO Box 6137
Tacoma, W 98415-0137
Phone; 253-627.2070
admin@i landsurvey.com
www.14andsurvey.com
r
LAND SURVEYING • MAPPING • CONSTRUCTION LAYOUT
Page 619 of 769
N77.39'1
G'L
5
6
cc
C.
EXHIBIT A
PAGE 2
RIGHT OF WAY VACATION
POINT OF
).0' BEGINNING
~Ra22`` — wM. A/Tsr
LOT 1
CITY OF AUBURN SHORT PLAT
SP-11-85
RECORDING NO. 8501080790
NEISEARING
Ill
L1
86'14
B .8
L2
S03.4513
3.00
L3
IS0.T45'13V
27.00
L4
I N773997'W31.05
L5
N 14 4
3Q.0
L6
S O'54 28
30,00
DEPICTION
I
I�
10,620 SQ. FT.
TO BE VACATED
GRAPHIC SCALE
0 50 100 200
1' - 100 FEET 4
A PORTION OF THE NE 1/4 OF THE SW 1/4 OF
SECTION 13, T21 N, ME, W.M.
POINT OF
COMMENCEMENT
Page 620 of 769
Vicinity Map - VAC21-0002
Parcel No.
1321049008
1016 West Main St
Auburn, WA 98001
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CITY OF J
AGENDA BILL APPROVAL FORM
WAS H I NGTON
Agenda Subject:
Resolution No. 5782 (Council) (60 Minutes)
Department: Attachments:
City Council
Resolution No. 5782
Date:
August 20, 2024
Budget Impact:
Current Budget: $0
Council Rules Of Proceihirc.,Vl recisions shorn proposed Revision: $0
in track chanecs
Gchilit 1 - Policies
Current Council Rules Of Prme(kire
Bothell
Lace
Vancouver
Councilmendxr Suaecsted Pints
Councilmemher Suaested &tits
Administrative Recommendation:
For discussion only.
Background for Motion:
Background Summary:
Revised Budget: $0
The Council Rules of Procedure Ad Hoc Committee met several times. The Committee
consists of Councilmembers Hanan Amer as the Chair, Tracy Taylor and Yolonda Trout -
Manuel. All suggested changes are shown in track changes.
In addition to the draft Rules of Procedure provided, the Ad Hoc Committee agreed that
additional details are needed under Section 13 pertaining to filling a vacant Council position.
Exhibit B includes three examples from other cities (Lacey, Bothell, and Vancouver). Each of
these examples articulate greater detail and structure in such areas as advertising the
vacancy, reviewing applications, conducting interviews and making a final decision. Auburn
City Council Rules of Procedure lack any details regarding this approach. In late 2022 and
early 2023 City Council had to develop their approach for filling a vacancy without the benefit
of an already written outline. Given that Washington State Statute requires City Council to take
action to fill a vacancy within 90 days, precious time is lost if the approach to filing the position
has to be developed within that window of time (if 90 days pass without the position being
filled, the authority to fill the position redirects to the County).
Reviewed by Council Committees:
Councilmember: Hanan Amer
Meeting Date:
August 26, 2024
Staff:
Item Number:
Page 623 of 769
Page 624 of 769
RESOLUTION NO. 5782
A RESOLUTION OF THE CITY COUNCIL OF THE CITY OF
AUBURN, WASHINGTON, AMENDING THE CITY COUNCIL
RULES OF PROCEDURE
WHEREAS, the City Council adopted its Rules of Procedure on February 4, 2024,
which provided that future amendments would be made by Resolution; and
WHEREAS, the City Council most recently revised the Rules of Procedure on
September 5, 2023 via adoption of Resolution No. 5735; and
WHEREAS, the City Council has decided to amend its rules again to implement
current law and to make necessary clarifying changes.
NOW, THEREFORE, THE CITY COUNCIL OF THE CITY OF AUBURN,
WASHINGTON, RESOLVES as follows:
Section 1. The Rules of Procedure of the City Council are amended to read in
substantially the same form as the rules attached hereto as Exhibit A.
Section 2. The Mayor is authorized to implement those administrative
procedures necessary to carry out the directives of this legislation.
Section 3. The City Clerk is authorized to correct any scrivener's errors and to
repaginate the document upon final approval of the document's content.
Resolution No. 5782
08-26-2024
Page 1 of 2
RevPage 625 of 769
Section 4. This Resolution will take effect and be in full force on passage and
signatures.
Dated and Signed:
ATTEST:
Shawn Campbell, MMC, City Clerk
---------------------------
Resolution No. 5782
08-26-2024
Page 2 of 2
CITY OF AUBURN
NANCY BACKUS, MAYOR
APPROVED AS TO FORM:
Jason Whalen, City Attorney
RevPage4626 of 769
Council Rules of
Procedure with Track
Changes as of
August 12, 2024
Page 627 of 769
RULES OF PROCEDURE OF THE CITY COUNCIL OF
THE CITY OF AUBURN, WASHINGTON
TABLE OF CONTENTS
SECTION 1
AUTHORITY
2
SECTION 2
COUNCIL MEETINGS
2
SECTION 3
ORDER OF BUSINESS FOR REGULAR COUNCIL MEETING AGENDA
5
SECTION 4
COUNCILMEMBER ATTENDANCE AT MEETINGS
9
SECTION 5
PRESIDING OFFICER - DUTIES
10
SECTION 6
COUNCILMEMBERS
11
SECTION 7
DEBATES
12
SECTION 8
PARLIAMENTARY PROCEDURES AND MOTIONS
13
SECTION 9
VOTING
15
SECTION 10
COMMENTS, CONCERNS AND TESTIMONY TO COUNCIL
15
SECTION 11
PUBLIC HEARINGS AND APPEALS
16
SECTION 12
DEPUTY MAYOR SELECTION PROCESS
18
SECTION 13
COUNCIL POSITION VACANCY
22
SECTION 14
COUNCIL MEETING STAFFING
24
SECTION 15
COUNCIL RELATIONS WITH STAFF
25
SECTION 16
COUNCIL STUDY SESSIONS, COMMITTEES AND CITIZEN
ADVISORY BOARDS
25
SECTION 17
COUNCIL REPRESENTATION AND INTERNAL COMMUNICATION
30
SECTION 18
TRAVEL AUTHORIZATION
26
SECTION 19
CONFIDENTIALITY
37
SECTION 20
ENFORCEMENT OF RULES OF PROCEDURE
37
Page 2 Page 628 Of 769
RULES OF PROCEDURE OF THE CITY COUNCIL OF
THE CITY OF AUBURN, WASHINGTON
SECTION 1
AUTHORITY
Pursuant to RCW 35A.12.120, the Auburn City Council establishes the following rules for
the conduct of Council meetings, proceedings, business, and the maintenance of order.
These rules shall be in effect on adoption by resolution of Council and until they are
amended, or new rules are adopted. The Deputy Mayor will coordinate a review of these
rules at least once every calendar year.
SECTION 2
COUNCIL MEETINGS
All meetings of the City Council shall be open to the public and all persons shall be
permitted to attend, both in person and virtually, any meeting of this body, except as
provided in RCW Chapter 42.30. The City Clerk' is responsible for preparing agendas for
all City Council meetings.z
The City Clerk is responsible for preparing action minutes of all of the Council meetings
that contain an account of all official actions of the Council. Council meetings shall be
electronically recorded and retained for the period of time as provided by State law.
2.1 Regular Meetings. Regular Meetings of the City Council shall be held at 7:00
p.m. on the first and third Mondays of every month in the City Hall Council
Chambers located at 25 West Main Street, Auburn, Washington.3
A. If a scheduled Regular Council meeting falls on a legal holiday, the meeting
shall be held at 7*00 p.m. on the first business day following the holiday.
B. The Mayor, as Presiding Officer, shall be seated at the center of the dais, and
the Deputy Mayor shall be seated to the Presiding Officer's immediate left. When
the Deputy Mayor is acting as the Presiding Officer, in the absence of the Mayor,
the Deputy Mayor shall be seated in the center of the dais. The seating
arrangement for the other members of the Council shall be as determined and
directed by the Deputy Mayor. The seating arrangement will be decided once every
calendar year.
[See ACC 2.06.010 (Ord. 3916 § 1, 1983; 1957 code § 1.04.010); ACC 2.06.020 (Ord.
3759 § 1, 1982; 1957 code § 1.04.020); ACC 2.06.030 (1957 code § 1.04.060); ACC
2.06.080 (1957 code § 1.04.090).]
'The City Clerk may delegate any of the duties in these Rules to staff.
2ACC 2.03.100
3ACC 2.06.010(A), 2.06.020
Page 3 Page 629 of 769
2.2 Study Sessions. Study Sessions of the City Council shall be held at 5:30 p.m. on
the second, fourth, and fifth Mondays of every month in the City Hall Council
Chambers located at 25 West Main Street, Auburn, Washington.4
A. If a scheduled Study Session falls on a legal holiday, the meeting shall be
held at 5:30 p.m. on the first business day following the holiday.
B. Study Sessions seating arrangement shall be located in the floor space
directly in front of the dais, unless there is a public health emergency in
effect. The table layout for Council, presenters, and speakers shall be done
in such a way as to provide for maximum visibility of all attendees. The
Deputy Mayor and the Special Focus Area Chairperson for the scheduled
focus area, as set out by the agenda, shall be at a designated head table.
No particular seating arrangement shall be required for other members of
the Council, or for the Mayor, for Study Sessions.
C. The Council shall not take final action at a Study Session. For purposes of
this rule, "final action" by the Council means a collective positive or negative
decision, or an actual vote on a motion, proposal, resolution, order, or
ordinance.5 Procedural parliamentary motions are not considered final
action.
2.3 Special Meetings. A Special Meeting of the City Council may be called by the
Mayor or any three members of the Council by written notice delivered to each
member of the Council at least 24 hours before the time specified for the proposed
meeting. Meeting notices shall be delivered by reasonable methods. Those
methods can include email notification in addition to notice on the agency's website
and principal location. The City Clerk shall provide the written notices. No
ordinance or resolution shall be passed, or contract let or entered into, or bill for
the payment of money allowed, at any special meeting unless public notice of that
meeting has been given by notice to the local press, radio, and television that is
reasonably calculated to inform the city's inhabitants of the meeting.6
[See ACC 2.06.040 (1957 code § 1.04.070)]
2.4 Emergency Meetings. Emergency Meetings may be called by the Mayor or
Presiding Officer in case of an emergency. Meeting site notice requirements do
not apply.
In the event of an emergency, Council may vote on emergency expenditures
pursuant to RCW 35A.34.140 and 35A.34.150.
4 ACC 2.06.010(B), 2.06.020
5 RCW 42.30.020(2)
6 ACC 2.06.040-1 RCW 35A.12.110
Page 4 Page 630 of 769
2.5 Closed or Executive Sessions. A Council meeting that is closed to the public.
Council, the Mayor, City Attorney, and authorized staff members and/or
consultants may attend.
Closed and Executive Sessions may be held during Regular Meetings, Study
Session Meetings, and Special Meetings of the City Council, and will be
announced by the Presiding Officer. Closed and Executive Session subjects are
limited to considering those matters permitted by State law.'
2.6 Council Retreat. Council will coordinate with staff to strive to hold an annual
retreat in the first or second quarter of each calendar year.
2.7 Cancellation of Meetings. Meetings may be canceled by the Mayor with the
concurrence of the Deputy Mayor or, in the absence of either, by the Mayor or the
Deputy Mayor, or in the absence of both, by the Presiding Officer or by a majority
vote of the City Council, and proper notice given by the City Clerk.
2.8 Quorum. Four (4) or more Councilmembers will constitute a quorum for the
transaction of business.
SECTION 3
ORDER OF BUSINESS FOR
REGULAR COUNCIL MEETING AGENDA
All items to be included on the Council's agenda for consideration should be submitted to
the City Clerk in full by S:OOpm on the Wednesday preceding each Regular Council
Meeting. The City Clerk shall then prepare a proposed agenda according to the order of
business, for approval by the Mayor, or their designee, provided the approval shall be
exercised in a manner consistent with ACC 2.03.100. A final agenda will then be prepared
by the City Clerk and distributed to Councilmembers as the official agenda for the
meeting.
3.1 The agenda format of the Regular City Council meeting shall be as follows:
A. Call to Order. The Mayor shall call the meeting to order.
B. Land Acknowledgement. The Mayor shall make a land acknowledgement.
C. Public Participation. This is the place in the agenda where the public is
informed on how to participate in the public meeting and/or instructed on
the available options to view the public meeting.
D. Pledge of Allegiance. The Mayor, Councilmembers and, at times, invited
guests will lead the Pledge of Allegiance.
7 RCW 42.30.110(1), 42.30.140
Page 5 Page 631 of 769
E. Roll Call. The City Clerk will call the roll.
F. Announcements, Proclamations and Presentations. A proclamation is
defined as an official announcement made by the Mayor or the City Council
regarding a non -controversial event, activity, or special interest group which
has a major city-wide impact.
G. Appointments. Appointing individuals to various committees, boards and
commissions. Confirmation of appointments, where confirmation is called
for, may be preceded by discussion in Executive Session, where
appropriate.
H. Agenda Modifications. Changes to the Council's published agenda are
announced at this time.
Public Hearings and Appeals. Individuals may comment on public
hearing and appeal items by submitting written comments to the City Clerk
in advance of the public hearing or by participating in the forum designated
by the public hearing notice. However, if an appeal is a closed -record
appeal, the matter shall be considered only based on information, evidence,
and documents in the record. Argument on the appeal shall refer only to
matters, information, documents, and evidence presented at the underlying
hearing from which the appeal is taken. No new information, evidence, or
documents may be added and argument on the appeal may only deal with
information, evidence, and documents in the record. The Presiding Officer
will state the public hearing and/or appeal procedures before each hearing.
Public Comment. Members of the public may comment on any matter
related to City business under the Public Comment portion of the meeting
agenda. Section 10 of these Rules sets forth the procedures for receiving
public comments.
K. Correspondence.
L. Council Ad Hoc Committee Reports. Council Ad Hoc Committee Chairs,
or designee, may report on the status of their Ad Hoc Council Committees'
progress on assigned tasks and may give their recommendations to the City
Council, if any.
M. Consent Agenda. Approval of the Consent Agenda, including items
considered to be routine and non -controversial, may be approved by one
motion. Items on the Consent Agenda include, but are not limited to, the
following. Any Councilmember may remove any item from the Consent
Agenda for separate discussion and action. The Chair for a Special Focus
Area may speak to any of the items on the Consent Agenda that are relevant
to the Special Focus Area that they are assigned.
Page 6 Page 632 of 769
Approval of minutes.
2. Fixing dates for public hearings and appeals.
3. Approval of claims and vouchers, bid awards, and contracts.
4. Approval of surplus property.
5. Other items designated by the City Council.
N. Unfinished Business. Unfinished business of a general nature that was
considered by Council at a previous business meeting.
0. New Business. Business, other than ordinances and resolutions, that has
not been previously before the City Council and items that are removed from
the Consent Agenda for separate discussion and action. Councilmembers
are required to provide the Mayor and Deputy Mayor information regarding
the topic of any new business 48 hours prior to the Council meeting.
P. Ordinances.
All ordinances shall be in writing. Titles may be read aloud before the
ordinance is voted on. Any Councilmember may request a full
reading of the text of a proposed ordinance before the vote on its
adoption. The request for a full reading of an ordinance does not
need to be voted on. However, the request for a reading of the title
of the proposed ordinance, or a full reading of the text of the
proposed ordinance, may be waived by a majority of the
Councilmembers in attendance at the Council Meeting.
2. Before any ordinance is considered for adoption by the City Council,
the ordinance shall be included on a Study Session agenda. Council
may waive this rule.
After a motion to adopt an ordinance has been made and seconded, the
Councilmember making the motion is encouraged to give a brief description
of the issues involved with the ordinance, without simply repeating the
ordinance title, and may choose to comment on any results of Council
discussion or action regarding the issue.
Discussion and debate by the City Council on ordinances will be held before
the vote on an ordinance. Councilmembers may approve, reject, or amend
the ordinance, or postpone the action and direct staff to further review the
proposed ordinance.
Page 7 Page 633 of 769
An ordinance shall be adopted by a vote of at least a majority of the whole
membership of the Council. In the event of a public emergency, an
ordinance may be made effective on adoption, instead of after five days
after publication, with a majority vote plus one of the whole Council. A public
emergency ordinance is one designated to protect public health and safety,
public property, or public peace.
Q. Resolutions. All resolutions shall be in writing. Titles may be read aloud
before the resolution is voted on. Any Councilmember may request a full
reading of the text of a proposed resolution prior to the vote on its passage.
The request for a full reading of a resolution does not need to be voted on.
However, the request for a reading of the title of the proposed resolution, or
a full reading of the text of the proposed resolution may be waived by a
majority of the Councilmembers in attendance at the Council Meeting.
After a motion to pass a resolution has been made and seconded, the
Councilmember making the motion is encouraged to give a very brief
description of the issues involved with the resolution without simply
repeating the resolution title, and the Councilmember may choose to
comment on any results of Council discussion or action regarding the issue.
Discussion and debate by the City Council on resolutions will be held
before the vote on a resolution. Councilmembers shall decide whether or
not to amend the resolution, or direct staff to further review the proposed
resolution.
A resolution shall be passed by a majority vote of a quorum of the Council,
provided that passage of any resolution for the payment of money or that
grants or revokes a franchise or license, shall require the affirmative vote of
at least a majority of the whole membership of the Council.
R. Mayor and Councilmember Reports. The Mayor and Councilmembers
may report on their activities related to federal, state, regional, City, and
local organizations for which they are members in their official capacity as
elected officials. Reports shall regard those activities and events that have
occurred since the last Regular Meeting and that have an important and
direct impact or benefit to the City. The Mayor and Councilmembers shall
limit their reports to not more than three (3) minutes, with sensitivity to
avoiding duplicate reporting.
S. Adjournment.
3.2 Recess. The foregoing agenda may be interrupted for a stated time as called by
the Presiding Officer to recess for any reason, including Closed or Executive
Sessions.
Page 8 Page 634 of 769
3.3 Amendment to Agenda. The sequence of handling items on the agenda of a
particular Regular Council Meeting may be amended from order listed on the
printed/approved agenda as follows:
A. Motion to Suspend the Rules. On a motion by any member and majority
vote, the City Council may suspend the rules to add an item (e.g., under
New Business) or to allow an item on the agenda to be considered at a
different order or placement in the agenda, or to be referred to an upcoming
Study Session agenda (See Rules 2.2 and 16.1).
B. Adjustment of Agenda by Presiding Officer. The Presiding Officer may
adjust the order of items on the agenda or add items to the agenda, if agreed
upon by the Mayor and the Deputy Mayor, subject to being overruled by a
majority vote of the Council.
SECTION 4
COUNCILMEMBER ATTENDANCE AT MEETINGS
4.1 Council Meetings.
A. Councilmembers shall attend all scheduled meetings, including committee
meetings.
A Councilmember will be excused from a meeting if they have submitted a
request in advance of the meeting. Written requests should be submitted
by email. If the request is made the day of the meeting, it may be made by
telephone or in person. The reason for the request shall be given at the time
of the request. Excessive, continued, or prolonged absences may be
addressed by the City Council on a case -by -case basis.
Councilmembers shall send their email communication regarding their
absence or anticipated late arrival to Council meetings or committees to the
CouncilAlerts(c-Dauburnwa.gov email address.
[See ACC 2.06.050 and RCW 35A.12.060]
B. Councilmembers may participate remotely at Council meetings via
telephone, video conference, or other approved electronic means with
notification to the Mayor, Deputy Mayor, and designated City staff prior to
noon on the day of the meeting. If a Councilmember appears remotely for
a Council meeting, the Councilmember will use the City of Auburn approved
virtual background. Technical circumstances shall be considered as to the
acceptability of remote attendance. Council prefers in -person attendance
when possible.
Page 9 Page 635 of 769
C. Remote attendance of the entire council may be permissible when and if a
declaration of emergency is declared locally, regionally, statewide, and/or
nationally that would prohibit in person attendance by Councilmembers.
The Mayor shall direct remote attendance of the Council as necessary and
when it is in the interest of the City to conduct Council business.
[See ACC 2.06.050 and RCW 35A.12.060]
4.2 Study Sessions.
A. Councilmembers shall attend all Study Sessions.
A Councilmember will be excused from a meeting if they have submitted a
request pursuant to section 4.1A of these rules, in advance of the meeting.
Written requests should be submitted by email. If the request is made the
day of the meeting, it may be made by telephone or in person. The reason
for the request shall be given at the time of the request. Excessive,
continued, or prolonged absences may be addressed by the City Council
on a case -by -case basis.
[See ACC 2.06.050 and RCW 35A.12.060]
B. Councilmembers may participate remotely at Study Sessions under the
same protocol set forth in Section 4.1 B-C.
4.3. Ad Hoc Council Committee Meetings. Attendance at Ad Hoc Council
Committee Meetings and Special Meetings will not be considered "Regular
Meetings" for the purposes of RCW 35A.12.060, applicable to Regular City Council
meetings. However, unexcused absences from any Regular or Special meetings,
or Ad Hoc Committee meetings, is a violation of these Rules of Procedure.
4.4 Use of Cell Phones Prohibited. At all meetings of the City Council,
Councilmembers may not use their City cell phones. All cell phones must remain
on silent for the duration of the meeting. Personal communication devices may
only be used in the event of an emergency. Councilmembers shall not send,
receive, read or post e-mails, texts, or social media posts during meetings of the
Council.
4.5 Deportment. To the extent feasible, Councilmembers shall utilize language
appropriate to the seriousness of the public legislative matters at hand.
Councilmembers shall address their remarks to the Presiding Officer and shall
address elected officials and staff by their title or other method that uses their last
name rather than first name, e.g., "Mayor [surname]," "Deputy Mayor [surname],
"Councilmember [surname]" "Chief [surname]," or "Director [surname]," as
applicable. The purpose of this approach is to ensure that the City Clerk can
create accurate meeting minutes. Councilmembers shall refrain from side
Page 10 Page 636 of 769
conversations with other individual Councilmembers. Councilmembers shall also
refrain from inappropriate or derogatory body language, comments, or any other
actions that detract from the deportment of the City Council.
SECTION 5
PRESIDING OFFICER - DUTIES
5.1 Conduct of Meetings.
A. The Mayor will preside over all Regular Meetings, Special Meetings, and
Emergency Meetings of the Council. If the Mayor is absent, the Deputy
Mayor will preside. If both the Mayor and Deputy Mayor are absent, the
Chair of Municipal Service Special Focus Area or Chair of the Finance and
Internal Services Special Focus Area (in that order) will preside.
The Deputy Mayor will preside over Council Study Sessions, other than
those portions for which Special Focus Areas are scheduled, in which case
the Chair of the Special Focus Area will preside. If the Deputy Mayor is
absent, the Special Focus Area Chair will preside. If both the Deputy Mayor
and the Special Focus Area Chair are absent, the Special Focus Area Vice
Chair will preside.
The Mayor is encouraged to attend Study Sessions.
5.2 The Presiding Officer:
A. Shall preserve order and decorum at all meetings of the Council and cause
the removal of any person in the audience from any meeting who interrupts
the meeting after having been warned to cease the interruptive behavior.
B. Shall observe and enforce all rules adopted by the Council.
C. Shall decide all questions on order, in accordance with these rules, subject
to appeal by any Councilmember.
D. May affix approximate time limits for each agenda item.
SECTION 6
COUNCILMEMBERS
6.1 Remarks. Councilmembers who wish to speak shall address the Presiding
Officer and, when recognized, shall limit their comments to questions under
consideration.
Page 11 Page 637 of 769
6.2 Questioning. Any member of the Council, and the Mayor, shall have the right to
question any individual, including members of the staff, on matters related to the
issue properly before the Council for discussion.
6.3 Obligation to the Public Agency. Notwithstanding the right of Councilmembers
to express their independent opinions and exercise their freedom of speech,
Councilmembers should act in a way that reflects positively on the reputation of
the City and of the community. Councilmembers shall also interact with other
members of the City Council, the Mayor, and City staff in ways that promote
effective local government.
6.4 Council Training. Councilmembers shall participate in training offered by
individuals, agencies, entities, and organizations including, but not limited to, the
Association of Washington Cities and the State of Washington. This includes initial
orientation after taking office, and other required or recommended training.
6.5 Participation in Committees, Agencies and Organizations. To better represent
the interests of the City of Auburn, Councilmembers are encouraged to participate
in assignments to local, regional, state, and national committees, agencies and
organizations, and to attend community, regional, and state events.
Councilmembers who have confirmed their intent to attend are expected to arrange
their appearance in order to avoid unnecessary expenditure of City funds.
6.6 Conduct. Councilmembers shall be subject to the policies in Exhibit 1 of these
Rules. Unless otherwise stated in these Rules, the terms, provisions, and
conditions set forth in the Polices are hereby incorporated into these Rules. Any
violation of these policies, as determined by the City Council, shall be subject to
section 20.1 of these Rules.
SECTION 7
DEBATES
7.1 Speaking to the Motion. No member of the Council, or the Presiding Officer,
shall speak more than twice on the same motion except by consent of the Presiding
Officer or a majority of the Councilmembers present at the time the motion is before
the Council. The Presiding Officer shall recognize Councilmembers in the order in
which they request the floor. The Councilmember who made a motion shall be
permitted to speak to it first. The Presiding Officer may also allow discussion of an
issue before stating a motion when such discussion would facilitate wording of a
motion.
7.2 Interruption. No member of the Council, or the Presiding Officer, shall interrupt
or argue with any other member while such member has the floor, other than the
Presiding Officer's duty to preserve order during meetings as provided in Section
5.2.A of these rules.
Page 12 Page 638 of 769
7.3 Courtesy. Members of the Council and the Presiding Officer, in the discussion,
comments, or debate of any matter or issue, shall address their remarks to the
Ppresiding Officer, be courteous in their language and deportment, and shall not
engage in or discuss or comment on personalities, or make derogatory remarks or
insinuations with respect to any other member of the Council, or any member of
the staff or the public, but shall at all times confine their remarks to those facts
which are germane and relevant to the question or matter under discussion.
7.4 Challenge to Ruling. Any member of the Council shall have the right to challenge
any action or ruling of the Presiding Officer, in which case the decision of the
majority of the members of the Council present shall govern.
SECTION 8
PARLIAMENTARY PROCEDURES AND MOTIONS
8.1 Unless specifically provided in these rules, all City Council meeting discussions
shall be governed by ROBERTS RULES OF ORDER, NEWLY REVISED (latest
edition).
8.2 If a motion does not receive a second, it dies. Matters that do not constitute a
motion (and for which no second is needed) include nominations, withdrawal of
motion by the person making the motion, request for a roll call vote, and point of
order or privilege.
8.3 A motion that receives a tie vote fails. The Mayor, as Presiding Official, shall be
allowed to vote to break a tie vote, except where prohibited by law.
8.4 Motions shall be stated in the affirmative. For example, "I move to approve" as
opposed to "I move to reject." Councilmembers shall be clear and concise and not
include arguments for the motion within the motion.
8.5 After a motion has been made and seconded, the Councilmembers may discuss
their opinions on the issue prior to the vote. A motion and second is not an
indication by a Councilmember that they support the action. The motion and
second enables discussion and debate in advance of a formal vote.
8.6 If any Councilmember wishes to abstain from a vote on a motion that
Councilmember shall so advise the City Council, shall remove and absent
themselves from the deliberations and considerations of the motion, and shall have
no further participation in the matter. The Councilmember should make this
determination before any discussion or participation on the subject matter or as
soon thereafter as the Councilmember identifies a need to abstain. A
Councilmember may confer with the City Attorney to determine whether the
Councilmember is required to abstain.
Page 13 Page 639 of 769
8.7 A motion to table is non -debatable and shall preclude all amendments or debates
of the issue under consideration. A motion to table effectively removes the item
without a time certain. A motion to table to a time certain will be considered a
motion to postpone as identified in Section 8.8. To remove an item from the table
requires a two-thirds' majority vote.
8.8 A motion to postpone to a certain time is debatable, is amendable and may be
reconsidered at the same meeting. The question being postponed must be
considered at a later time at the same meeting, or at a time certain at a future
Regular or Special City Council meeting. To remove an item from postponement
in advance of the time certain requires a two-thirds' majority vote.
8.9 A motion to postpone indefinitely is debatable, is not amendable, and may be
reconsidered at the same meeting only if it received an affirmative vote.
8.10 A motion to call for the question shall close debate on the main motion and is not
debatable. This motion must receive a second and fails without a two-thirds' vote;
debate is reopened if the motion fails.
8.11 A motion to amend is defined as amending a motion that is on the floor and has
been seconded, by inserting or adding, striking out, striking out and inserting, or
substituting.
8.12 Motions that cannot be amended include motions to adjourn, lay on the table
(table), roll call vote, point of order, reconsideration, and take from the table.
8.13 A point of order can be raised by any member of the governing body. A member
of the governing body can appeal the Chair's ruling. An appeal must be immediate
and must be seconded. The Chair will then explain the ruling. The members of the
governing body can debate the matter, each member may speak once. The
members of the governing body will then make a decision on the appeal by a
majority vote.
8.14 Amendments are voted on first, then the main motion as amended (if the
amendment received an affirmative vote).
8.15 Debate of the motion only occurs after the motion has been moved and seconded.
8.16 The presiding officer, City Attorney, or City Clerk should repeat the motion prior to
voting.
8.17 When a question has been decided, any Councilmember who voted with the
prevailing side may move for reconsideration at the same, or the next meeting. In
order to afford Councilmembers who voted with the prevailing side the potential
basis for a motion for reconsideration, Councilmembers who voted with the
prevailing side may inquire of Councilmembers who voted with the minority as to
Page 14 Page 640 of 769
the reasons for their minority vote, if not stated during debate prior to the vote. A
motion for reconsideration is debatable if the motion being reconsidered was
debatable. If the motion being reconsidered was not debatable, the motion for
reconsideration is not debatable.
8.18 The City Attorney shall act as the Council's parliamentarian and shall advise the
Presiding Officer on all questions of interpretations of these rules which may arise
at a Council meeting.
8.19 These rules may be amended, or new rules adopted, by a majority vote of the full
Council.
SECTION 9
VOTING
9.1 Voice vote. A generalized verbal indication by the Council as a whole of "aye or
yes" or "nay or no" vote on a matter, the outcome of which vote shall be recorded
in the official minutes of the Council. Silence of a Councilmember during a voice
vote shall be recorded as a "no" vote except where a Councilmember abstains
because of a stated conflict of interest or appearance of fairness issue.
If there is uncertainty as to the outcome of a voice vote, the Presiding Officer or
any Councilmember may ask for a raise of hands for the ayes or nays.
9.2 Roll Call Vote. A roll call vote may be requested by the Presiding Officer or by
any Councilmember. The City Clerk shall conduct the roll call vote.
9.3 Abstentions. It is the responsibility of each Councilmember to vote when
requested on a matter before the full Council. A Councilmember may only abstain
from discussion and voting on a question because of a stated conflict of interest or
appearance of fairness.
9.4 Votes by Mayor. Except where prohibited by law, the Mayor, as Presiding Official,
shall be allowed to vote to break a tie vote.
SECTION 10
COMMENTS, CONCERNS AND TESTIMONY TO COUNCIL
10.1 Persons or groups specifically scheduled on a Council Meeting Agenda may
address the Council in accordance with the speaking times included on the
agenda.
10.2 Persons or groups that are not specifically scheduled on the agenda may address
the council by filling out a speaker sign -in sheet (available at the City Clerk's desk
or at a designated location within the Council Chambers), and (when recognized
Page 15 Page 641 of 769
by the Presiding Officer) stepping up to the podium and giving their name and city
of residence for the record.
Unscheduled public comments to the Council are subject to the following rules:
1. Remarks will be limited to 3 minutes. The City Clerk shall use a suitable device
to electronically measure speaker time. The Presiding Officer may make
discretionary exceptions to speaker time restrictions;
2. Speakers may not "donate" their speaking time to any other speaker;
3. Remarks will be addressed to the Council as a whole.
10.3 Meeting interruptions. Any speaker or person who interrupts the orderly conduct
of a meeting may be barred from further participation in the meeting by the
Presiding Officer, unless permission to continue is granted by a majority of
Councilmembers present. Examples of interruptions under this rule include:
1. failing to comply with an allotted speaking time;
2. committing acts of violence or property destruction;
3. directly or indirectly threatening physical violence against anyone attending the
meeting;
4. interfering with the meeting or with other speakers through vocal interruptions
or disruptive action.
If a meeting interruption occurs, the Presiding Officer shall address the person(s)
causing the interruption by citing the interrupting conduct, ordering it to stop, and
warning that continuation may result in removal from the meeting.
The Presiding Officer may remove the interrupting person(s) if the conduct persists
after the warning. If removal of the person(s) does not restore the meeting to order,
the Presiding Officer may clear the room of spectators and continue the meeting
or adjourn the meeting and reconvene it at a different location selected by Council
majority.$
SECTION 11
PUBLIC HEARINGS AND APPEALS
11.1 Quasi-judicial hearings require a decision be made by the Council using a certain
process, which may include a record of evidence considered and specific findings
made. The following procedure shall apply-
8 RCW 42.30.050
Page 16 Page 642 of 769
A. The Department Director of the department most affected by the subject
matter of the hearing, or that Director's designee, will present the City's
position and findings. Staff will be available to respond to Council questions.
B. The proponent spokesperson shall speak first and be allowed ten (10)
minutes. Council may ask questions.
C. The opponent spokesperson shall be allowed ten (10) minutes for
presentation and Council may ask questions.
D. Each side shall then be allowed five (5) minutes for rebuttal, with the
proponent spokesperson speaking first, followed by the opponent
spokesperson.
E. The City Clerk shall serve as timekeeper during these hearings.
F. After each proponent and opponent spokesperson have used their
speaking time, Council may ask further questions of the speakers, who shall
be entitled to respond but limit their response to the question asked.
11.2 Public hearings where a general audience is in attendance to present arguments
for or against a public issue:
A. The Department Director or designee shall present the issue to the Council
and respond to questions.
B. A person may speak for three (3) minutes. No one may speak for a second
time until everyone who wishes to speak has had an opportunity to speak.
The Presiding Officer may make exceptions to the time restrictions of
persons speaking at a public hearing when warranted, in the discretion of
the Presiding Officer.
C. The City Clerk shall serve as timekeeper during these hearings.
D. After the speaker has used their allotted time, Council may ask questions
of the speaker and the speaker may respond but may not engage in further
debate.
E. The hearing will then be closed to public participation and open for
discussion among Councilmembers.
F. The Presiding Officer may exercise changes in the procedures at a
particular meeting or hearing, but the decision to do so may be overruled by
a majority vote of the Council.
Page 17 Page 643 of 769
SECTION 12
DEPUTY MAYOR
12.1 Annually or more often as deemed appropriate, the members of the City Council,
by majority vote, shall designate one of their members as Deputy Mayor for a one-
year time period, except as provided in Section 12.1, Paragraphs G and H.
Elections will be held no later than the last Council meeting of the year for
determining the Deputy Mayor for the subsequent year.
A. Any member of the City Council may be nominated for the position of
Deputy Mayor by having that Councilmember's name placed in nomination
by a Councilmember. The nomination of a councilmember for the position
of Deputy Mayor does not require a second, and a councilmember may
nominate him or herself.
Nominations for the position of Deputy Mayor shall be made by
members of the City Council on the dates of election for the Deputy
Mayor position.
2. In connection with the selection of Deputy Mayor, Councilmembers
are expected to approach the election in an open, transparent, and
respectful manner, avoiding anything that jeopardizes harmony
among Councilmembers.
B. The Councilmember receiving a majority of the votes cast by the members
of the City Council shall be elected Deputy Mayor. A Councilmember may
vote for themself.
C. The names of all nominees for the position of Deputy Mayor shall be
included in the vote.
D. If no single Councilmember received a majority of the votes cast, a second
vote/ballot between the two nominees who received the largest number of
votes will be held.
E. The Deputy Mayor shall serve at the pleasure of the Council.
F. In the event of a prolonged absence or unavailability of the Deputy Mayor,
the Council shall vote on which Councilmember shall serve as the Interim
Deputy Mayor. The Interim Deputy Mayor shall be the Councilmember who
receives a majority vote. That Councilmember shall then serve as Interim
Deputy Mayor until the return of the regular Deputy Mayor, or until the
subsequent Deputy Mayor is designated by majority vote. The Interim
Deputy Mayor shall have all the rights, duties, and authority of the Deputy
Mayor under these rules
Page 18 Page 644 of 769
G. If the designated Deputy Mayor is unable to serve the full term of the
position of Deputy Mayor, the Council shall elect the next Deputy Mayor in
accordance with Section 12 to serve the remainder of the term. If the
appointment is declined the process shall continue until a Deputy Mayor is
designated.
H. In the event that the Councilmember selected as Deputy Mayor (or Interim
Deputy Mayor) is unable to perform the duties of the position of Deputy
Mayor, or fails to act in accordance with the City Council Rules of
Procedure, the City Council may, by a majority vote of the full City Council,
remove the Deputy Mayor (or Interim Deputy Mayor) from this position, in
which case, the Council shall elect the next Deputy Mayor (or Interim
Deputy Mayor) in accordance with Section 12 to serve the remainder of the
term.
[See RCW 35A.12.065.)
12.2 The Deputy Mayor or Interim Deputy Mayor, as the head of the legislative branch
of the City, shall perform the following duties:
A. Intra-Council Relations:
Serve as the Chair of the Council Study Sessions in accordance
with Rule 5.1.13;
2. Assist in new councilmember training including conducting a review
of the rules of procedure with one to two individual Councilmembers,
and a staff liaison, if requested, provided the Mayor is notified of the
request;
3. Support cooperative and interactive relationships among
Councilmembers;
4. Work with Mayor and Administration to prepare agendas for Council
Study Sessions, in accordance with Rules 2.2 and 16.1.13;
5. Preside over the Study Sessions of the City Council, designate
Special Focus Area Chairs and Vice -Chairs, designate Special
Focus Area assignments, and work with the chairs of the Special
Focus Areas on the portions of Study Sessions over which the
Special Focus Areas chairs preside in order to reinforce appropriate
Special Focus Area topics and to ensure the Councilmember
understands how to preside over their portion of the meeting.
6. With support from the City Attorney and/or City Clerk, ensure that
Councilmembers are aware of the requirements and limitations
Page 19 Page 645 of 769
related to the Open Public Meetings Act (OPMA) and reinforce
adherence to the OPMA and quorum triggers when
Councilmembers are operating and communicating in their Ad -Hoc
Committee and Special Focus Areas roles. The Deputy Mayor has
a responsibility to report violations of the OPMA when they are
made aware of a violation.
B. Mayor -Council Relations:
Help maintain a positive and cooperative relationship between the
Mayor and the City Council;
2. Act as conduit between the Mayor and the City Council on issues or
concerns relating to their duties;
3. Preside over Regular Meetings of the City Council in the absence or
unavailability of the Mayor;
4. In the event of a prolonged absence or incapacitation that exceeds
two weeks (a state of disability that prohibits the function of duties)
of the Mayor, the Deputy Mayor shall perform the duties of the Mayor.
(a) A prolonged absence that exceeds two weeks is defined as
requiring a leave of absence that prohibits the performance of
the duties of the office. Vacation leave for periods up to two
weeks, illnesses requiring an absence of less than two weeks,
out of state or out of country travel lasting not more than two
weeks, or other similar short-term absences shall not be
considered prolonged absences.
(b) In the event of a disaster, emergency, or other similar
circumstance, where the Mayor is out-of-town and unable to
carry out the duties of the office of Mayor, the Deputy Mayor,
in consultation with the Mayor, shall act as Mayor until the
return and availability of the Mayor;
5. The Deputy Mayor shall also stand in on behalf of the Mayor in other
situations as requested by the Mayor;
6. In the performance of the duties of the Mayor, the Deputy Mayor shall
not have authority to appoint, remove, replace, discipline or take
other similar action on any Department Director or employee of the
City;
7. The Deputy Mayor shall not have veto authority for actions that may
be taken by the City Council;
Page 20 Page 646 of 769
8. The Deputy Mayor shall be aware of City, regional, and
intergovernmental policies and activities in order to properly execute
the role of Mayor.
C. Intergovernmental and Community Relations:
1. Act in absence of Mayor as requested and/or as required;
2. Be aware of all City regional and intergovernmental policies and
activities in order to be prepared to step into the role of Mayor if
necessary;
3. Serve as the Chair of the City's Emergency Management
Compensation Board.
D. Other Duties of the Deputy Mayor:
In cooperation with the Mayor and Special Focus Area Chairpersons
and with assistance from Administration, create and establish
agendas for all Study Sessions;
2. Serve as liaison to the Junior City Council, encouraging, guiding, and
counseling the members of the Junior City Council in connection with
its duties and assignments;
3. Facilitate any issue related to the conduct and/or actions of
Councilmembers that may be inappropriate or that may be in
violation of the Council Rules of Procedure (Section 20.1);
4. Conduct voluntary regular and periodic meetings with individual
Councilmembers and a staff liaison, if a staff liaison is requested by
the Deputy Mayor or the individual Councilmember and provided the
Mayor is notified of the request, to address Councilmember issues,
concerns, legislative processes, Councilmember proposals,
Councilmember training, and other similar related items;
5. Conduct group meetings with Councilmembers, including two on one
meetings with Councilmembers on a rotating basis provided that
such meetings shall not have more than two Councilmembers at
such meetings. All such meetings at which a quorum of the City
Council is in attendance shall be in compliance with the Open Public
Meetings Act (RCW 42.30), unless expressly exempted.
Page 21 Page 647 of 769
SECTION 13
COUNCIL POSITION VACANCY OR ABSENCE
13.1 If an unexpired Council position becomes vacant, the City Council has ninety (90)
days from the occurrence of the vacancy to appoint, by majority vote of a quorum
of the remaining members of the Council, a qualified person to fill the vacancy
pursuant to State law. The Council may make such appointment at its next Regular
Meeting, or at a Special Meeting called for that purpose. If the Council does not
appoint a person within the ninety (90) day period, the County may appoint a
qualified person to fill the vacancy as provided by RCW 42.12.070.
13.2 If there is an extended excused absence or disability of a Councilmember, the
remaining members by majority vote may appoint a Councilmember Pro Tempore
to serve during the absence or disability.
13.3 The City Clerk's Office shall prepare and submit a display advertisement to the
City's official newspaper, with courtesy copies to all other local media outlets,
which announces the vacancy consistent with the requirements necessary to hold
public office: that the applicant (a) be a registered voter of the City of Auburn, and
(b) have a one (1) year residency in the City of Auburn. This display advertisement
shall contain other information, including but not limited to, time to be served in the
vacant position, election information, salary information, Councilmember powers
and duties, the deadline date and time for submitting applications, interview and
appointment schedules, and such other information that the City Council deems
appropriate.
13.4 The City Clerk's Office shall prepare an application form which requests
appropriate information for City Council consideration of the applicants.
Applications will be available at City of Auburn offices and on the City's official
website. Copies of the display advertisement will be provided to current members
of the City of Auburn commissions, committees, boards, task forces and other City -
sponsored community groups.
13.5 Applications received by the deadline date and time will have personally
identifiable information removed and two interview question from each
Councilmember. If two of the questions submitted by Councilmembers are similar
one of Councilmember's second question will be used.
13.6 In the event the City receives more than 10 completed applications, each City
Councilmember will submit to the City Clerk an unranked list of the candidates the
Councilmember wishes to move forward in the process. Each Councilmember's
list should contain no more than 15 anonymized candidates. The City Clerk shall
aggregate all Councilmembers lists into one unranked master list of the 10-15
candidates most commonly selected among the individual lists provided. The list
Page 22 Page 648 of 769
shall be arranged in the anonymized order and shall only include the anonymized
designation of the candidates. This aggregated list shall be provided to the Council
during the executive session prior to the interview meeting.
13.7 Immediately following the executive session, Council shall meet in public session
to select which candidates to invite to participate in an interview at a future City
Council meeting. The decision as to which applicants to interview will be based on
the information contained in the application forms and Council's evaluation of the
qualifications of the candidates. The decision as to which candidates will be
interviewed will be at the sole discretion of the City Council.
13.8 At the opening of the meeting at which interviews take place, the Mayor shall
provide an overview of the format and ground rules for the meeting. The applicant's
order of appearance shall be determined at this time by a random lot drawing
performed by the City Clerk.
13.9 In order to ensure each candidate has a fair and equal opportunity to speak with
Council, all candidates will be asked to remain sequestered at City Hall, which
includes not using electronic devices, for the duration of all candidate interviews.
Candidates will be ushered to and from the City Council Chambers by a member
of City staff in order to participate in their interview at the pre -determined time.
Candidates will be released from sequestration upon conclusion of the final
interview and may observe the remainder of the public portion of the Council
meeting.
13.10 Each candidate interview shall be no more than 30 minutes in length. The Council
may reduce the 30-minute interview time if the number of applicants exceeds six
candidates. Each interview shall follow the following format. (1) The applicant shall
present their credentials to the City Council (up to 10 minutes). (2) The City Council
shall ask the predetermined set of questions, one question per Councilmember,
which must be responded to by the applicant. Each applicant will be asked and will
answer the same set of questions and will have two (2) minutes to answer each
question (up to 14 minutes). (3) An informal question -and -answer period during
which Councilmembers may ask and receive answers to miscellaneous or follow-
up questions (remainder of time).
13.11 Upon completion of the interviews, the Council may convene into Executive
Session to discuss the qualifications of the applicants. However, all interviews,
deliberations, nominations, and votes taken by Council must be in open public
sessions. The Council may not determine who to select or reach a consensus on
a preferred candidate in Executive Session.
13.12 The Mayor asks for nominations from Councilmembers for the purpose of creating
a group of candidates to be considered. No second is needed.
Page 23 Page 649 of 769
13.13 Nominations are closed by a motion, second, and majority vote of Council.
13.14 Councilmembers may deliberate on matters such as criteria for selection and the
nominated group of candidates.
13.15 The Mayor polls the Councilmembers to ascertain if they are prepared to vote.
Voting must take place in a manner in which the public is notified as to the vote of
each existing Councilmember for which candidate. If there is more than one
candidate, a vote must be taken for each candidate to record each
Councilmember's vote.
13.16 The City Clerk records the votes in the meeting minutes.
13.17 The selection of a candidate to fill the vacancy is made by a majority vote of the
remaining six members of the Council.
13.18 If a majority vote is not received for a candidate, the Council may postpone
elections until another date.
13.19 The Mayor declares the nominee receiving the majority vote as the new
Councilmember to be sworn in immediately after the effective date of the
resignation.
13.20 The term of the candidate selected to fill the vacancy will be in effect until a person
is elected at the next regular election for municipal officers. If successful at the
election, the interim term would then end, and the appointed Councilmember will
either complete the 4-year term of the vacated position or begin a new 4-year term,
depending on the position number of the vacated position.
13.21 If the Council does not appoint a qualified person to fill the vacancy within 90 days
of the occurrence of the vacancy, the County Council will appoint a person to fill
the vacancy (RCW 42.12.070).
SECTION 14
COUNCIL MEETING STAFFING
14.1 Department Directors or designees shall attend all meetings of the Council unless
excused by the Mayor.
14.2 The City Attorney, or designee, shall attend all meetings of the Council unless
excused by the Mayor, and shall upon request, give an opinion, either written or
Page 24 Page 650 of 769
oral, on legal questions. The City Attorney shall act as the Council's
parliamentarian.
SECTION 15
COUNCIL RELATIONS WITH STAFF
15.1 There will be mutual courtesy and respect from both City staff and
Councilmembers toward each other and of their respective roles and
responsibilities.
15.2 City staff will acknowledge the Council as policy makers, and the Councilmembers
will acknowledge City staff as administering the Council's policies under the
direction of the Mayor.
15.3 It is the intent of Council that all pertinent information asked for by individual
Councilmembers shall be made available to the full Council.
15.4 Individual Councilmembers shall not attempt to coerce or influence City staff in the
selection of personnel, the awarding of contracts, the selection of consultants, the
processing of development applications, or the granting of City licenses or permits.
Councilmembers may, at the request of the Mayor, participate in discussions and
decisions related to these matters.
15.5 Other than through legislative action taken by the Council as a whole, individual
Councilmembers shall not interfere with the operating rules and practices of any
City department.
15.6 No individual Councilmember shall direct the Mayor to initiate any action or prepare
any report that is significant in nature, or initiate any project or study without the
consent of a majority of the Council. This provision, however, does not prohibit
individual Councilmembers from discussing issues with the Mayor or making
individual requests or suggestions to the Mayor. The Mayor shall endeavor to
advise and update the Councilmember(s) on the status or follow-up of such issues.
15.7 All Councilmember requests for information, agenda bills and staff analysis, other
than requests for legal advice from the City Attorney's Office, shall be directed
through the Mayor in order to assign the task to the proper staff. The Deputy Mayor
may work with the Mayor's designated staff to prepare Study Session agendas and
related materials, and facilitate Study Session work.
15.8 Any written communication with staff shall also include the Mayor as a recipient.
SECTION 16
COUNCIL STUDY SESSIONS, COMMITTEES
AND CITIZEN ADVISORY BOARDS
Page 25 Page 651 of 769
16.1 Study Sessions and Special Focus Areas. In addition to the regularly scheduled
City Council meetings (Regular Council Meetings) scheduled on the first and third
Mondays of the month. Different than the format for Regular Council Meetings
(identified in Section 3 hereof), Study Sessions shall be less formal than Regular
Council Meetings and shall give the City Council the opportunity to discuss and
debate issues coming before it for action at Regular Council meetings. The format
for these meetings shall be as follows:
A. General Business Focus and Special Focus Areas.
Study Sessions shall consist of (1) a General Business Focus and (2) a
Special Focus Area in each meeting. The General Business Focus shall be
scheduled first and shall include agenda items that relate to issues of
general City concern, items that will be coming before the City Council at
upcoming meetings, and presentations and reports to the City Council. The
Special Focus Area groups shall, on a rotating basis described below,
commence their portion of the Study Session following the conclusion of the
Study Session General Business Focus, The Special Focus Area groups
shall review matters of Council concern related to their areas of oversight
responsibility. The Special Focus Area groups shall consist of the following:
(1) Public Works & Community Development; (2) Municipal Services; (3)
Community Wellness; and (4) Finance& Internal Services. These Special
Focus Area groups shall be tasked with oversight of Council considerations
as follows:
1. Community Wellness
• Health, Equity, & Wellness
• Neighborhood Services
• Homelessness Prevention
• Social Services
• Diversity, Equity, & Inclusion
• Cultural Arts & Community Events
• Housing Policy
2. Finance & Internal Services
• Facilities
• Technology
• Property management
• Risk management & Insurance
• Fiscal Sustainability
3. Public Works & Community Development
• Utilities
• Transportation
• Environmental Policy
• Land Use & Development
• Right of Way Management
Page 26 Page 652 of 769
• Airport
• Park Development
• Economic Development
4. Municipal Services
• Public Safety
• Courts
• Recreation, Museum & Senior Services
• Animal Control
• Emergency Planning
• Cemetery
• Communications
B. Scheduling of Special Focus Area.
The Special Focus Areas shall conduct their portion of the Study
Sessions on second and fourth Mondays of the month on a rotating
basis such as follows: Public Works & Community Development,
then Municipal Services, then Community Wellness, then Finance &
Internal Services, then Public Works & Community Development,
then Municipal Services, and so on.
2. On fifth Mondays of the month, Study Sessions will not typically
include any of the above Special Focus Areas but may include
special topics and issues of general concern to the City Council,
including Council operating arrangements and Council Rules of
Procedure. It is provided, however, that in order for the City Council
to address the matters coming before the City Council, the Mayor
and Deputy Mayor may, as they deem appropriate, insert into any
Study Session any matters calling for City Council consideration and
discussion, regardless of Special Focus Areas. Such matters will be
scheduled to allow sufficient time for preparation of relevant
background analysis and information concerning said items and
provision to all Councilmembers in advance of the Study Session.
3. Topics for Special Focus Area consideration (for inclusion in the
Special Focus Area portion of the Study Session agenda) shall be
determined by the Chair of each Special Focus Area along with the
Mayor, the Deputy Mayor, the Vice -Chair, and the designated
Departments Director(s) for the Special Focus Area. The matters will
be scheduled to allow sufficient time for preparation of relevant
background analysis and information concerning said items and
provision to all Councilmembers in advance of the Study Session.
The Department Director(s) shall review agenda topics and
suggestions by other Councilmembers of such topics. The Deputy
Mayor may review agenda items and topics with each Special Focus
Area Chairperson individually when convenient.
Page 27 Page 653 of 769
C. Meeting Times
Study Sessions shall be scheduled as set forth in Section 2.2, above.
Three to four hours maximum timeframe (goal).
2. Agenda items should relate to future policy -making, strategic
planning, or key state or federal issues affecting current or future city
operations.
3. Agenda items should be substantive only (e.g., traffic impact fee
increase proposals, comprehensive plan updates, rather than day-
to-day operational issues. Non -substantive items (e.g., accepting a
grant, authorizing contract bidding, etc.) should go directly to the
Regular City Council Meeting.
D. Study Session Meeting Format.9
Call to Order.
2. Roll Call.
3. Announcements, Reports, and Presentations.
4. Agenda Items for Council Discussion.
5. Ordinances.
6. Special Focus Area (the Chair of the Special Focus Area scheduled
for the Study Session shall preside over this portion of the Study
Session). The Vice Chair shall preside over this portion of the Study
Session in the Chair's absence.
7. Adjournment.
E. Council discussion at Study Sessions of each agenda item shall be managed
by the Presiding Officer through recognition of each Councilmember in turn. After
presentation of an agenda item, the Presiding Officer will ask each Councilmember
whether the member would like to make a statement or ask a question regarding
the agenda item. The Presiding Officer will start with the Councilmember at the
Presiding Officer's right and address each Councilmember in order of seating, as
determined by the Presiding Officer. After all Councilmembers have been
addressed, the Presiding Officer will again ask for a statement by each
Councilmember in the same order. Invitation by the Presiding Officer to each
9 It is the intention of the City Council that Study Sessions shall be televised on the City's public access
channel if reasonably possible.
Page 28 Page 654 of 769
Councilmember to make a statement or ask a question shall be repeated two
additional times. There shall be a limit of one question per Councilmember for each
round (for three total rounds). Further questions by any Councilmember should be
sent via email to the appropriate Department Director after the meeting, provided
the Mayor is included in that email. Questions posed at Study Session or via follow
up email shall be limited to the matter presented at Study Session.
16.2 Ad Hoc Committees. The Mayor, the Deputy Mayor, or a majority of the City
Council may establish Ad Hoc Committees as may be appropriate to consider
special matters that require special approach or emphasis.
A. Ad Hoc Committees may be established and matters referred to them at Study
Sessions, without the requirement that such establishment or referral take
place at a regular City Council Meeting.
B. The Mayor and the Deputy Mayor shall each appoint a Councilmember to each
Council Ad Hoc Committee. The Deputy Mayor may appoint themselves. The
third Councilmember to be appointed to the Ad Hoc Committee shall be
selected by majority vote of the Council.
C. Ad Hoc Committees shall consider all matters referred to them and take action
by majority consensus only when all Ad Hoc Councilmembers are present. The
Chair of such Ad Hoc Committee shall report to the Council the findings of the
committee. Committees may refer items to the Council with a committee
recommendation or with no committee recommendation.
D. Unless otherwise expressly provided for when forming an Ad Hoc Committee,
it is the intention of the Council that Ad Hoc Committees function informally and
not in any way that takes action in lieu of or on behalf of the full Council. The
purpose and function of such Ad Hoc Committees shall be to review matters in
advance of their consideration by the full Council, and perhaps record and
make recommendations to the full Council. They are not "committees of a
governing body" subject to the requirements of the Open Public Meetings Act
(Chapter 42.30. RCW). Ad Hoc Committees shall not receive public testimony
or allow audience participation in connection with or related to the agenda item
being discussed by the Committee.
E. Councilmembers on Ad Hoc Committees may request a staff liaison, and City
Attorney or City Attorney's designee, be present to assist the Councilmembers
with institutional knowledge on the subject matter to be discussed, provided the
Mayor is notified of the request.
16.3 Intergovernmental Councils, Boards and Committees. The Mayor shall appoint
Council representatives to intergovernmental councils, boards, and committees.
A. Councilmember appointments to intergovernmental councils, boards and
committees, including Ad Hoc Committees, shall be periodically reviewed. All
Page 29 Page 655 of 769
Councilmembers shall have the opportunity to serve on such councils, boards,
and/or committees as assigned by the Mayor and on a rotating basis at the
discretion of the Mayor. Councilmember appointments to intergovernmental
councils, boards, and committees by the Mayor shall be done with
consideration of a Councilmember's expertise, background, knowledge,
working experience and/or education in that council, board, or committee. Ad
Hoc Committee appointment by the Mayor or Deputy Mayor shall be at their
discretion.
B. Councilmembers will prioritize appointments to Intragovernmental Councils,
Boards, and Committees by seeking and filling positions that provide value to
the City and its constituents. Providing value occurs in the following order of
priority: (1) bringing money to the City, (2) bringing projects and/or investments
into the City, (3) influencing policy or investment outcomes in the City, and (4)
protecting City interests. These community -wide benefits are a priority over the
personal interests of an individual Councilmember.
C. Advisory Boards, Committees, and Commissions established by ordinance,
consisting of residents appointed pursuant to the establishing Ordinance and
serving in the capacity and for the purposes indicated in the Ordinance, shall
act as an advisory committee to the Council.
SECTION 17
COUNCIL REPRESENTATION
AND INTERNAL COMMUNICATION
17.1 If a Councilmember meets with, attends a meeting, or otherwise appears before
individuals, another governmental agency, a community organization, or a private
entity or organization, including individuals, agencies, or organizations with whom
or with which the City has a business relationship, and makes statements directly
or through the media, commenting on an issue that does or could affect the City,
the Councilmember shall state the majority position of the Council, if known, on
that issue. Personal opinions and comments which differ from those of the Council
majority may be expressed if the Councilmember clarifies that these statements
do not represent the Council's position, and the statements are those of the
Councilmember as an individual. Additionally, before a Councilmember discusses
anything that does or could relate to City liability, the Councilmember should talk
to the City Attorney or the City's Risk Manager, so that the Councilmember would
have a better understanding of what may be said or how the discussion should go
to control or minimize the City's liability risk and exposure.
17.2 Councilmembers need to have other Councilmember's concurrence before
representing another Councilmember's view or position with the media, another
government agency, or community organization.
Page 30 Page 656 of 769
17.3 Councilmembers shall not knowingly communicate with an opposing party or with
an opposing attorney in connection with any pending or threatened litigation in
which the City is a party or in connection with any disputed claim involving the City
without the prior approval of the City Attorney, unless the Councilmember is
individually a party to the litigation or is involved in the disputed claim separate
from the Councilmember's role as a City official.
17.4 Communication among Councilmembers shall conform to the following
parameters:
A. Except in connection with Councilmembers meeting, informally, in
committees not subject to the Open Public Meetings Act, to assure that
communication on agenda items occurs to the greatest extent possible at
the public meetings, and to avoid even the perception that email is being
used in a way that could constitute a public meeting, successive
communications on Council topics that involve a quorum of the
Councilmembers shall not occur. Councilmembers shall refrain from
emailing Councilmembers about such agenda items. Councilmembers
should be prepared to communicate about matters that are on upcoming
Council agendas at the public meetings. If Councilmembers wish to share
information with other Councilmembers about matters that are on upcoming
agendas, the Councilmembers should forward that information to the Mayor
for distribution in the Council meeting packets.
B. Councilmembers may communicate via email to other Councilmembers,
including to a quorum of the full Council about matters within the scope of
the Council's authority or related to City business, but not yet scheduled on
upcoming Council agendas, to indicate a desire that certain items be
included on upcoming meeting agendas; provided that Councilmembers
shall never ask for responses from the other Councilmembers in that
communication.
C. Email communication among Councilmembers relating to City operations
should also include the Mayor as a recipient/addressee.
D. Councilmembers may email the Mayor about City business without
limitations or restrictions.
E. The Deputy Mayor from time to time may need to communicate with all
Councilmembers on various items such as the annual review of the Rules
of Procedure. All such correspondence, usually in the form of email, shall
be provided to Council as a whole through the Council
Assistant. Any responses from Council shall also be directed to the Council
Assistant who shall then provide all Councilmembers with email
correspondence regarding questions, comments, suggestions,
recommendations, or any similar item.
Page 31 Page 657 of 769
F. Council email correspondence and all electronic communications shall
utilize the designated city email account or city device with no exceptions
and within the parameters of the Open Public Meetings Act and the Public
Records Act.
17.5 Councilmembers shall not communicate with staff regarding their own personal
business during times set out to discuss City of Auburn business. Councilmembers shall
not discuss personal business with staff immediately before or after Council meetings in
Council Chambers.
17.6 Council Relations with City Boards and Commissions.
A. Council Liaisons. In addition to where a Councilmember is appointed by
the Council or the Mayor to serve as a member of a board, commission,
committee, task force, or any other advisory body, the City Council may, on
limited occasions or under unusual circumstances, appoint a
Councilmember to serve as a non-member Liaison to a board, commission,
committee, task force, or any other advisory body. Anytime a
Councilmember is appointed as such a Liaison, the position or role of
Liaison is subordinate to that of Councilmember, and the Councilmember's
responsibility is first and foremost to the City and to the Council. The role
and responsibility of the Councilmember-Liaison is to keep the City Council
apprised of the activities, positions, and actions of the entity or organization
to which the Councilmember has been appointed Liaison, and not to
communicate to the board, commission, committee, task force, or other
advisory body a statement as the position of the City Council, except as
authorized or directed by the Council. Insofar as a Councilmember-Liaison
position does not give all Councilmembers equal access to the activities,
functions, and information of or about a board, commission, committee, task
force or any other advisory body, appointments to Council Liaison positions
should be reserved to those instances where a Report to the Council by the
board, commission, committee, task force, or any other advisory body would
not be convenient or practical.
B. Reports to the Council. Each board, commission, committee, task force,
or any other advisory body of the City shall be requested to present a report
to the City Council at a Regular Meeting or a Study Session of the City
Council, as scheduled by the Mayor or Deputy Mayor. Such reports shall be
scheduled for a Regular Council Meeting or a Council Study Session and
shall be delivered by the Chair of the board, commission, committee, task
force, or any other advisory body or designee. The reports shall inform the
City Council of the activities, functions and information with which the board,
commission, committee, task force, or any other advisory body has been
involved since the previous report and shall include the opportunity for
questions by Councilmembers.
Page 32 Page 658 of 769
17.7 Whenever a member of the City Council attends any meeting of any other entity or
organization, he or she should endeavor to be prudent in what he or she says or
does at such meeting. Further, the Councilmember should avoid attending such
meeting if that attendance would impose an interference with the meeting or the
operations of the other entity or organization, or of the operations of the City.
SECTION 18
TRAVEL AUTHORIZATION
18.1 Value of Council Travel. The Auburn City Council recognizes the need of its
members to attend conferences, trainings, and meetings to broaden their
knowledge of and familiarity with a diverse collection of City -related issues,
including, but not limited to, Public Works, Communications, Transportation,
Economic Development, Public Safety, and Energy. These conferences also
provide valuable opportunities to network with other elected City officials.
Comparing Auburn's specific issues with those of other cities often provides the
Council with established policies already in place in other cities that can be
adapted to meet the specific needs of the City of Auburn, as well as expediently
and efficiently acquainting Auburn City Councilmembers with ideas of how to
address Auburn issues and solve Auburn problems.
18.2 Annual Budget Amounts for Council Travel. To accommodate Council travel,
the Auburn City Council shall allocate an identified amount of money each year in
the City budget process to each Councilmember for City -related travel costs,
including transportation, lodging, meals, and registration costs.
18.3 Adjustment of Council Travel Allocations. If a Councilmember needs more
than the amount of travel related funds allocated for their use, the Councilmember
shall (1) see if there are unused funds available from any other Councilmember(s)
who are willing to transfer funds from their account to the Councilmember needing
additional travel funds. If so, with the consent of the Deputy Mayor and the other
transferring Councilmember(s), funds will be transferred to the requesting
Councilmember's allotment; or (2) shall request a net adjustment to the budget
adding additional funds to their allotment, which adjustment shall be approved by
a majority of the whole Council.
18.4 Receipts and Travel Documentation. Each Councilmember shall be responsible
for providing to the Mayor or Finance Director, within ten (10) business days of
returning from City travel, any and all City travel related receipts and
documentation, and a written report regarding the authorized travel the
Councilmember attended. All documentation shall also be sent via email to the
CouncilAlertsAauburnwa.gov, email address. Quarterly reports of the travel costs
incurred by each Councilmember shall be provided by the Finance Department.
Page 33 Page 659 of 769
SECTION 19
CONFIDENTIALITY
19.1 Councilmembers shall keep confidential all written materials and verbal
information provided to them during Executive or Closed Sessions and as provided
in RCW 42.23.070, to ensure that the City's position is not compromised.
Confidentiality also includes information provided to Councilmembers outside of
Executive Sessions when the information is considered by the exempt from
disclosure under exemptions set forth in the Revised Code of Washington.
SECTION 20
ENFORCEMENT OF RULES OF PROCEDURE
20.1 Councilmembers shall conform their conduct to the requirements, standards and
expectations set forth in these Rules of Procedure. In addition to and
notwithstanding whatever other enforcement mechanisms may exist for legal,
ethical or practical obligations on Councilmember performance or conduct,
violations of these Rules of Procedure by Councilmembers may be enforced by
action of the City Council through sanctions such as votes of censure or letters of
reprimand, and such other action as may be permitted by law.
Page 34 Page 660 of 769
City Council Rules of Procedure:
Adopted: February 2, 2004
Ordinance No. 5802
Amended by Resolution No. 4282, December 17, 2007
Amended by Resolution No. 4429, December 15, 2008
Amended by Resolution No. 4467, April 6, 2009
Amended by Resolution No. 4615, July 6, 2010
Amended by Resolution No. 4686, February 22, 2011
Amended by Resolution No. 4740, August 15, 2011
Amended by Resolution No. 4813, May 21, 2012
Amended by Resolution No 4909, February 19, 2013
Amended by Resolution No. 5105, November 3, 2014
Amended by Resolution No. 5112, December 1, 2014
Amended by Resolution No. 5115, December 15, 2014
Amended by Resolution No. 5217, May 2, 2016
Amended by Resolution No. 5240, July 5, 2016
Amended by Resolution No. 5283, February 21, 2017
Amended by Resolution No. 5308, August 7, 2017
Amended by Resolution No. 5367, May 7, 2018
Amended by Resolution No. 5399, December 17, 2019
Amended by Resolution No. 5469, November 4, 2019
Amended by Resolution No. 5543, September 8, 2020
Amended by Resolution No. 5676, September 19, 2022
Amended by Resolution No. 5721, June 5, 2023
Page 35 Page 661 of 769
EXHIBIT A
CITY COUNCIL CONDUCT POLICIES
1. CONDUCT
City Policy Reference 200-81
PURPOSE
To emphasize the high standards of professionalism, public service, and integrity expected.
POLICY
It shall be the duty of all City personnel to maintain high standards of cooperation, efficiency and
integrity in their work with the City. It is the responsibility of each individual to conduct
themselves with professionalism and commitment towards customer service not only with the
citizens and public of the City of Auburn but also when working within other elected officials or
working with other departments within the City structure.
2. FAIR PRACTICES
City Policy Reference 200-2
PURPOSE
To establish guidelines for the promotion of fair practice and nondiscrimination in activities
relating to employment and treatment of all citizens in order to foster trust and cooperation
between City personnel and the diverse and pluralistic society that makes up the City of Auburn.
The City is committed to recognizing that all people are vital to the City's shared prosperity and
that all people must be respected and valued. City personnel can, and should, lead the way
forward in making inclusiveness and diversity priorities, and pledges active efforts to seek to
achieve that goal.
POLICY
The Policy of the City of Auburn is to promote and afford equal treatment and services to all
citizens and to assure equal employment opportunity to all persons regardless of race, creed,
color ethnicity, nation origin, sex, age, marital status, veteran's status, sexual orientation, or the
presence of any sensory, mental, or physical disability, unless based upon a bona fide
occupational qualification: provided that the prohibition against discrimination shall not apply if
it prevents the proper performance of the particular worker involved.
The City of Auburn will cooperate with all organizations and commissions organized to promote
fair practices and equal opportunity in employment.
DEFINITIONS:
For the purpose of this policy, sexual orientation means heterosexual, homosexual, bisexual, and
gender expression or identity. As used in this definition, " gender expression or identity" means
having or being perceived as having a gender identity, self image, appearance, behavior, or
Page 662 of 769
expressions, whether or not that gender identity self image, appearance, behavior, or expression
is different from that traditionally associated with the sex assigned to that person at birth.
3. NONDISCRIMINATION
City Policy Reference 200-03
PURPOSE
To establish policy for a nondiscriminatory working environment within the City Auburn.
POLICY
The policy of the City of Auburn is to promote and afford equal treatment and services to all
citizens and to assure equal employment opportunity to all qualified persons regardless of race,
creed, 'color, ethnicity, national origin, sex, age, marital status, sexual orientation, veteran's
status, or the presence of any sensory, mental, or physical disability, unless based on a bona fide
occupational qualification.
It is the policy of the City of Auburn to foster and maintain a harmonious and nondiscriminatory
working environment for all. Toward this end, the City will not tolerate racial, ethnic,
religious, disability or sexual oriented behaviors or comments by any citizen, employee, or
elected official to or about any citizen, employee, or elected official.
DEFINITONS
For the purpose of this policy, sexual orientation means heterosexual, homosexual, bisexual,
and gender expression or identity. As used in this definition, "gender expression or identify"
means having or being perceived as having a gender identity, self image, appearance, behavior,
or expressions, whether or not that gender identity self image, appearance, behavior, or
expression is different from that traditionally associated with the sex assigned to that person at
birth.
4. WORKPLACE HARASSMENT
City Policy Reference 200-4
PURPOSE
To establish the policy and procedures defining the City's position on workplace harassment,
including sexual harassment, and to provide guidance to any City personnel who believes he/she
has experienced harassment by a supervisor, co-worker, other City personnel, or outside
individual.
POLICY
It is the policy of the City of Auburn to provide a work environment for everyone that is
harmonious and free from intimidation and harassment. The City is committed to ensuring that
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the practices and conduct of all City personnel comply with the requirements of federal and state
laws against employment discrimination. To that end, the City expects all City personnel to work
in a manner that respects the feelings and dignity of others.
It is the policy of the City that everyone have the right to work in an environment free from
harassment based upon their race, color, religion, gender, national origin, ethnic background,
age, marital status, sexual orientation, military or veteran's status, presence of a disability or the
presence of any other protected status or characteristic, or any other basis prohibited by local,
state, or federal laws unless based on a bona fide occupational qualification. Workplace
harassment, including sexual harassment, negatively affects morale, motivation, and job
performance. The City will not tolerate any form of workplace harassment, including sexual
harassment, toward City personnel by other City personnel or other individuals.
Those who in good faith report an incident of workplace harassment, including sexual
harassment, shall not be subjected to any form of retaliation.
DEFINITIONS
1. Workplace harassment includes, but is not limited to, unsolicited remarks, gestures, or
physical contact; display or circulation of written materials or pictures derogatory to a
specific gender, racial, ethnic, religious groups, persons with physical, mental, or sensory
disabilities, or any other basis prohibited by local, state, or federal laws; or basing
employment decisions on an employee's response to sexually -orientated requests.
2. Sexual harassment means unwelcome behavior of a sexual nature that affects terms
and conditions of the work environment. These include, but are not limited to, sexual
advances and/or other verbal or physical conduct made when: (a) submission to such
conduct is made explicitly or implicitly a term or condition of an individual's
employment; (b) submission to, or rejection of, such conduct by an individual is used as
the basis for employment decisions affecting such individuals; or (c) such conduct has the
purpose or effect of unreasonably interfering with the individual's work performance or
creating an intimidating, hostile, or offensive working environment.
Examples of sexual harassment include, but are not limited to:
1. Unwelcome or unwanted flirtations, propositions, advances, patting, pinching,
brushing up against, hugging, cornering, blocking, kissing, fondling,
putting ones arms around another, or any other similar physical contact
considered unacceptable by another individual.
2. Verbal comments, suggestions, jokes, innuendos, or derogatory remarks based
on sex;
3. Visual harassment, leering, whistling, gesturing, posting sexually suggestive or
derogatory pictures, cartoons, drawings.
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4. Pressure for sexual favors, subtle or blatant expectations, pressures, or requests
for any type of sexual favor accompanied by implied or stated promises of
preferential treatment or negative consequences concerning an
individual's employment (such as an employee's performance evaluation,
work assignment, advancement, or training opportunities).
3. Other harassment (nonsexual) is defined as verbal or physical conduct that denigrates,
shows hostility, or aversion toward an individual because of such individual's protected
status or characteristics such as his/her race, color, religions, gender, national origin, age
marital status, veteran's status, sexual orientation, or disability that has the purpose or
effect of creating an intimidating, hostile, or offensive work environment; or has the
purpose or effect of unreasonably interfering with an individual's work performance; or
otherwise adversely affects the individual's employment opportunities.
4. Sexual orientation means heterosexual, homosexual, bisexual, and gender expression
or identity. As used in this definition, "gender expression or identify" means having or
being perceived as having a gender identity, self image, appearance, behavior, or
expressions, whether or not that gender identity self image, appearance, behavior, or
expression is different from that traditionally associated with the sex assigned to that
person at birth.
5. WORKPLACE VIOLENCE
City Police Reference 200-13
PURPOSE
To establish policy defining the City's position on not tolerating violence in the workplace,
and provide guidance in the event a violent or threatening act or situation occurs.
POLICY
No person shall display violent or threatening behavior to others, including employees, the
public, vendors, or contractors in the performance of his/her job and/or while on City property.
Given the City's commitment to ensuring a healthy, safe and non-violent work environment,
prohibitive behavior includes, but is not limited to:
I . Any verbal threat of harm towards persons or property.
2. Any threatening or actual physical act such as threatening gestures, hitting, pushing,
kicking, holding, impeding or. blocking the movement of another person.
3. The use, threatening use or possession of firearms, other weapons or explosives,
openly or concealed, licensed or otherwise, while performing City business and/or
while on City premises including parking lots. Exception: Commissioned law
enforcement officers or other official purposes sanctioned by the City.
DEFINITIONS
Weapon: Any object, instrument or chemical used to inflict harm or injury to another
person or any item used in a manner threatening harm or injury to another person.
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Possession of mace, pepper spray or the like for defensive purposes is not a violation of
this policy.
6. TOBACCO -FREE WORK ENVIRONMENT
City Policy Reference 200-08
RC W 70.160
WAC 296-62-12005
PURPOSE
The purpose of this policy is to set out a plan and timelines for the City and City personnel to
maintain a tobacco -free work environment.
POLICY
1. The City is committed to achieving a tobacco -free work environment, providing as much
support as possible to assist tobacco users in this transition, and to fulfill its obligations
under the law.
2. Smoking, the use of vapor and/or a -cigarettes, and all other tobacco products are
prohibited in City buildings, facilities, entryways, near air intakes, or other
openings that allow airflow directly into an office, building, or City vehicle.
3. City personnel may use tobacco products, vapors, and/or a -cigarettes during breaks
and meal periods in outdoor areas surrounding City vehicles and facilities absent
any other ordinance, rules, and/or regulations prohibiting tobacco usage.
4. Smoking cessation programs are offered by the City to assist current tobacco
users who wish to stop using tobacco products.
7. ALCOHOL AND DRUG FREE WORK ENVIRONMENT
City Policy Reference 200-09
Drug -Free Workplace Act of 1988, Federal Register, Vol. 54 No 19.
PURPOSE
The City of Auburn has a significant interest in ensuring the health and safety of its City
personnel and citizens. Therefore, the City will maintain a policy of an alcohol and drug free
workplace.
This policy outlines those steps the City is taking to ensure that City personnel are free of the
influence of controlled substances and/or alcohol while in the performance of their duties or
acting on the City's behalf.
POLICY
1. Prohibited Conduct.
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a. The City of Auburn strictly prohibits the manufacture, possession, distribution,
dispensing or use of alcohol or controlled substances in the workplace, while on
duty, or while representing the City of Auburn.
b. Reporting for work, remaining on duty, or acting on behalf or the City of Auburn while
under the influence of alcohol or a controlled substance is strictly prohibited.
c. No personnel shall perform safety sensitive functions on behalf of the City within four
(4) hours after using alcohol.
8. INTERNET & ELECTRONIC RESOURCES -EQUIPMENT USE -ELECTED
OFFICIALS
City Policy Reference 500-3
PURPOSE
To establish a policy and identify the principles of acceptable use of the internet and other
electronic communications resources/equipment provided for use during his/her term of office
for elected officials.
POLICY
It is the policy of the Council that Internet and electronic resources equipment use shall conform
to and be consistent with the requirements of City of Auburn Administrative Policy and
Procedure 500-03, "Internet & Electronic Resources/Equipment Use — Elected Officials."
All letters, memoranda, and interactive computer communication involving City
Councilmembers and members of advisory boards and commissions, the subject of which relates
to the conduct of government or the performance of any governmental function, are public
records.
When individual Councilmembers have completed their term of office, they will return all City
electronic equipment to the Director of Information Technologies.
COMMUNICATIONS
Each Councilmember is responsible for checking their communication device multiple times
daily and respond to requests by City staff as soon as possible.
ELECTRONIC COMMUNICATIONS
1. For emergency notifications of absences, and not planned absences,
Councilmembers shall send an email to CouncilAlerts@auburnwa.gov to ensure
the auto -distribution of communications to necessary people.
2. Messages that relate to the functional responsibility of the recipient or sender as a
public official constitute a public record. Those records are subject to public
inspection and copying.
3. Electronic communications that are intended to be shared among a quorum of the
Council or of an Ad Hoc Council Committee, whether concurrently or serially,
must be considered in light of the Open Public Meetings Act, if applicable. If the
intended purpose of the electronic communication is to have a discussion that
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should be held at an open meeting, the electronic discussion shall not occur.
Further, the use of electronic communication to form a collective decision of the
Council shall not occur.
2. Electronic communication should be used cautiously when seeking legal advice or
to discuss matters of pending litigation or other confidential City business. In
general, electronic communication is discoverable in litigation, and even deleted
electronic communication is not necessarily removed from the system.
Confidential electronic communications should not be shared with individuals
other than the intended recipients, or the attorney -client privilege protecting the
document from disclosure may be waived.
3. Electronic communication between Councilmembers and between
Councilmembers and staff shall not be transmitted to the public or news media -
without the filing of a public disclosure request with the City Clerk.
4. Even if a Councilmember uses their personal electronic devices, all electronic
communications and documents related to City business will be subject to
discovery demands and public disclosure requests.
USE OF CITY EQUIPMENT AND FACILITIES
Councilmembers are provided various tools to assist them in handling the
business of the City in the role as members of the Council. These tools include,
but are not limited to: (1) an individual office assigned to each Councilmember in
which there is (a) office furniture; (b) a computer accommodating access to the
City's computer network and (c) a telephone tied to the City's telephone system;
(2) and I -Pad or comparable equipment also tied to the City's computer system
that can be used remotely (not just in the Councilmember's office); (3) an I -Phone
or comparable equipment accommodating mobile communication needs for (a)
telephone calls, (b) emails, and (c) texting; (4) a City badge accommodating
physical access to City Hall facilities and Council Offices; and (5) Council
mailboxes.
In order to assure transmittal of information necessary to conduct business of the
City and to avoid Public Records Act liability for the City and Councilmembers
for improper or private equipment use, Councilmembers shall use the tools
identified above to assist them in being able to receive and work with information
related to duties as Councilmembers.
PROHITIBITED USES: The creation, transmission, downloading or storage of any document,
data or message which reasonably can be construed as relating to or promoting the following, are
prohibited:
1. Discrimination or harassment on the basis of age, race, color, gender, creed,
marital status, national origin, disability or sexual orientation;
2. Any language and subject matter that is objectionable, offensive, obscene,
threatening or otherwise inappropriate as described in the City's Workplace
Harassment Policy;
3. Any communication to solicit for or promote commercial or non-profit
ventures, religious or political causes, outside organizations, rumor or slander
or other non job related solicitations;
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4. Any information that violates copyright laws;
5. Copying any City licensed computer software for personal use is prohibited;
6. See also specific prohibitions related to individual types of system use,
below.
INTERNET: Browsing, List-Servs, Newsgroups, etc.
1. It is the policy of the City to maximize the cost-effective use of its computer
systems as a means to improve efficiency and productivity. All
Councilmembers are responsible for using the Internet resources in an
effective, ethical, and lawful manner, and in accordance with this policy.
2. Access to the City e-mail (Outlook web access) from any remote computer
that has internet access may be granted to City officials, as approved by the
Mayor. Those approved to have this access must maintain virus protection
software on their connections. Failure to maintain virus protection may result
in the access being revoked.
3. Limited personal use may only consist of browser capability and may not
include ListServs, Newsgroups, Chat Rooms or other capabilities.
4. Using City equipment or City internet connection to violate the integrity of
another system (hacking) is prohibited.
SYSTEM SECURITY
1. Acquisition of computer equipment. All acquisitions of information systems
components will be coordinated through the Information Technologies
Department. This includes demonstration hardware and software used for
evaluation purposes as well as products acquired for ongoing use.
2. Conscientious care. All Councilmembers are responsible for care of the
personal computer system components that they are assigned or using.
Councilmembers are responsible for promptly reporting any equipment,
software and data damage and/or destruction of which they become aware.
Any damage caused by personal use, including repair costs, will be the
responsibility of the Councilmember.
3. DownloadingJinstalling software (including upgrades and screensavers). The
City computer system is designed to work in a network environment.
Installation of unauthorized software can result in damaging the integrity of
the system. Councilmembers should not download or install software on any
City -owned computer. If additional software is required, a request should be
addressed to the Information Services Service Desk.
4. Downloading files from the Internet. Councilmembers are individually and
directly responsible for checking files for viruses using the latest version of
the recommended virus -checking program. Downloading or uploading files
is restricted to City business.
5. Unauthorized access. Councilmembers are prohibited from using
"loopholes" or knowledge or a special password to damage computer
systems, obtain extra resources, or to gain access to systems for which proper
authorization has been given. Councilmembers are responsible for keeping
their password confidential and not sharing it with other users.
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6. Use of aliases. Use of aliases while using the Internet or internal e-mail is
prohibited. Anonymous messages and anonymous newsgroup postings are
prohibited.
7. Unlicensed or copied software is prohibited on any City computer. No
Councilmember may use unlicensed or copied software on any City
computer. The City shall seek reimbursement from any Councilmember who
installs, downloads, uses or authorizes the use of any unlicensed or copied
software on any City computer, or any fines, costs or other expenses incurred
by the City resulting from such use.
MONITORING ENFORCEMENT AND PENALTIES
1. All hardware, software, programs, applications, templates, data and data files
residing on City information systems or storage media, whether City business
or personal, are the property of the City of Auburn. The City retains the right
to access, copy and change, alter, modify, destroy, delete or erase this
property without prior notice to Councilmembers.
2. The City retains the right to monitor and audit the use of e-mail and Internet
use. The right to use these technologies does not include the right to privacy.
3. Deleted documents, messages and data may be retrieved from a variety of
points in the network. Councilmembers should assume that electronic
evidence discovery might recover deleted or unsaved data.
4. Councilmembers' use of a personal Internet account on City equipment is to
be arranged through the Information Technologies service desk and is subject
to the provisions of this policy. Said Councilmembers should be aware that
their personal e-mail and electronic files could be monitored by the City and
could be reviewed as part of a Public Records request.
9. E-MAIL ETIQUETTE
City Policy Reference 200-16
City of Auburn's E-Mail Policy
Computer systems, network utilities and electronic mail are powerful business tools. These
systems are designed to foster open and efficient communications. The Electronic
Messaging System, like paper files and notebooks, is an asset provided to City personnel to assist
them in performing their work efficiently and for limited personal use. These tools, and the
work product they contain, are the property of the City. Please use your good judgment as
you use the electronic mail system. While it is the general intention of the City to keep
electronic mail private, it is possible that other people may view other's electronic mail
messages, the recipient may route the message to others, or the City may be required to
provide public disclosure of e-mail messages. You should assume that any message may
be viewed by persons other than the recipient and format your messages accordingly. All
messages should be composed with the expectation that they will be made public.
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Getting The Message Across
Electronic mail, or e-mail, is unique. Once sent, it will wait for the recipient for hours
or days. It is more tangible than voice mail and faster than paper mail. By saving
copies of messages and responses, a record of communications can be built and
saved. It also is useful for sharing documents in electronic form. The unique
qualities of electronic mail make it an extremely useful tool in the business place.
For those who spend much of their time at a desktop computer or a terminal on a
network, e-mail can provide an immediate messaging service and mailbox.
Privacy vs. Public Disclosure Issues
All e-mail messages are considered to be public records and the public has the right to
examine public records. Therefore, if you are concerned about public disclosure or internal
disclosure, e-mail should not be used as a communication tool. Confidential and sensitive
issues should not be communicated via e-mail. A user, in forwarding a message that originates
from someone else, may not make changes to that message without clearly notes that changes
were made to the message and the identity of the person making the changes.
Alternatives To E-Mail
The City Intranet is a better way for making announcements such as retirement parties or
broad policy statements. Telephones provide a more immediate response and can be a
better way to make initial contacts with people. Memos and internal mail are best for
sending specific policy statements, financial forms, and documentation. The US Postal
Service, UPS, Federal Express and other such companies are the best way to send and
receive external business documents. One-on-one meetings are still a good way of
communicating info.
Messages
E-mail is best for short messages. A message of one to five paragraphs or one that takes
only one screen is most likely to be read and used. When composing your message, take
a few extra seconds to think of an accurate description of the message to put in the
subject field. Titles such as "???" or "more stuff' are less useful than "Network Questions"
or "New Uses for Bulletin Board System." If you are sending e-mail to someone you have
not met or dealt with in a long time, it is a good idea to let them first know who you are and
why you want their attention. ("Hi, I work for Purchasing and have a question about...")
Attachments
The attachment feature of e-mail programs allows you to send files, such as spreadsheets
and formatted documents to other computer users. When you send attachments, be certain
that the receiver can read them. Just because a document can be attached to a message
does not mean that the person at the other end can read it. For instance, if you attach an
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Excel spreadsheet to an e-mail note and the recipient of the note does not have Excel on
their PC, then they will not be able to open the attachment.
Language And Behavior
Good E-mail is businesslike and free from obscene, pornographic, sexual, harassing,
menacing defamatory, threatening or otherwise offensive language. The City does not
tolerate racism, sexism, and other inappropriate behavior. It is also not tolerated in the e-
mail environment.
Some people will send an angry e-mail message; one that they would never say in person.
Take a minute before you respond. Be careful about which words you use and how you say
them. Remember that messages can be printed or forwarded. Do not say
things you may regret later.
Mail Lists
Mailing lists, called Personal Groups, are a useful tool. If you are working and exchanging
mail with a group of people on a regular basis, a Personal Group allows you to send the
same message to all of them by entering only one address. You may want to build a
Personal Group that will target your regular or special group of mail recipients. The Help
File accessible through your e-mail can help you set up Personal Groups.
"Junk" Mail
"Junk" e-mail is inevitable. Try not to generate it yourself by limiting your general
broadcasts. Target your audience carefully by making use of Personal Groups. If you
must send a large mailing, try not to use attachments; including attachments increases the
load on the network and can be costly when you consider the amount of time it takes to open an
attachment. Delete e-mail you consider "junk", before opening it.
Personal Business
Use of e-mail is primarily to be reserved for official City business. However, limited
personal use is authorized. There shall be no negative impact or disruption to either the
sender's or receiver's performance of public duties (i.e. forwarding jokes takes time
away from the job and wastes computer memory).
Return Receipts
Leave "Return Receipt" turned off unless a return receipt is absolutely necessary. Return
receipts also slow down the e-mail system. If everyone requested a return receipt for each
message they sent, it would double the traffic load on the mail system.
Glossary of Terms
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Attachment
A file that is included with a message. It is displayed in the message as an icon,
representing the type of file it is.
Broadcast
Distribution of a message to a wide number of mail users.
Intranet
A computer system used as an information source and message system. It is similar to a physical
bulletin board, but messages are posted electronically on a computer bulletin board system.
E-Mail
Electronic mail
"Junk" Mail
A broadcast that includes individuals who do not need or want the information contained in the
message.
Personal Groups
Assignment of a single name to multiple users. When the group name is added to the recipient
list for a message, each individual in that group receives the message.
Return Receipt
Displays the date and time the message you sent was opened by the recipient.
10. CELLULAR PHONE & TABLET
City Policy Reference 200-16A
RCW 46.61.672
WAC 204-10
PURPOSE
To establish a policy that provides for and regulates cellular phone and tablet use by City
personnel.
POLICY
The City of Auburn recognizes that cellular phones and tablets are an important and necessary
tool in the performance of certain job duties. For those who have a valid business purpose, the
City of Auburn provides cell phones and tablets for City business use.
Cell phone and tablet use can create distractions for drivers. City Personnel are prohibited from
texting, using e-mail, or performing any other operation with electronic equipment, while driving
a vehicle on City business. If a cell phone must be used while driving, all personnel must follow
Washington State Law and use the cell phone in a "hand -free mode". "Hands -free mode" means
the use of a wireless communication device with a speaker phone, headset, or earpiece.
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USAGE POLICY. The City of Auburn issues cellular phones to allow efficient and cost-
effective execution of City business. All City use cellular phones and services will be
acquired and/or approved by the Information Technology Department.
The City of Auburn audits all City -provided cellular phone services (voice minutes used,
text messages sent/received, and data service use) which include a review of the monthly
billing by the individual's supervisor.
Most wireless transmissions are not secure. Therefore, individuals using wireless
services should use discretion in relaying confidential information. Reasonable
precautions should be made to prevent equipment theft and vandalism to City -issued
cellular phones.
Cellular phone use by a driver of City -owned vehicles or by a driver of a privately owned
or leased/rented vehicle, when driving to or from City business, is prohibited unless
"hands -free" is used.
When using a cell phone in a "hands -free mode" dialing of the phone shall only be done
when the vehicle is stopped or through the use of voice activated commands. Texting
while driving a vehicle is prohibited.
PERSONAL USE OF CITY -PROVIDED CELLULAR PHONES. City -provided cellular
phone use is billed on a time -used basis and intended for City business only. Emergency
personal use should be limited to 3 minutes or less.
11. CITY OWNED VEHICLES, EQUIPMENT
City Policy Reference 200-11
PURPOSE
To establish a policy regarding personal use of City owned vehicles, equipment and materials.
POLICY
City owned vehicles, equipment, materials, or services for personal convenience or profit is
prohibited. Use is to be restricted to such services as are available to the public generally, for the
authorized conduct of official business, and for such purposes and under such conditions as are
directed by administrative order of the chief executive officer of the City (Mayor).
DEFINITIONS
Vehicles: Automobiles, vans, trucks, tractors and other specialty vehicles
Equipment: Telephones, computers, copy machines, fax machines, or other office equipment
provided for the accomplishment of clerical tasks; tools and equipment used to repair facilities,
grounds, and vehicles; and/or any other type of city owned property.
Materials: Paper, pens, other desk and office supplies; items such as fertilizer, cleaner, pesticide,
etc., used in grounds and facilities maintenance; and operational supplies used to repair, clean or
fuel equipment.
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Services: Any service provided by the City in the performance of its municipal responsibilities.
PROCEDURE
City Mail Room: The City mail room will not accept personal packages from City personnel to
be mailed or packages of a personal nature mailed to City personnel at the City address. The
mail room is very busy with business related mail distribution and other responsibilities.
Personal letters that are self -stamped and sealed will be accepted and mailed by the City mail
room. However, the City will not be responsible if a letter is not delivered to the recipient.
12. USE OF PERSONAL VEHICLES
City Policy Reference 200-17
PURPOSE
To document the policy for the use of personal vehicles for official city business.
POLICY
The City encourages City personnel to use city -owned vehicles for official city business;
however; the use of personal vehicles is allowed per the following guidelines:
LIABILITY INSURANCE. Those who use personal vehicles for city business
must purchase and maintain auto liability insurance that meets or exceeds the
state's minimum requirements for bodily injury and property damage and must
keep a copy of proof of insurance in their vehicle at all times. In the event of an
accident the individual's personal auto insurance provides the primary coverage,
and the City's liability insurance provides coverage in excess of that policy. The
City does not provide collision or comprehensive insurance coverage for personal
vehicles even when used for official city business. In some cases an individual's
insurance company may require a special endorsement for business use; therefore,
those individuals should contact their insurance agent to determine if special
coverage is required.
2. DRIVING UNDER THE INFLUENCE OF DRUGS AND ALCOHOL. Driving
any vehicle on city business during or after consumption or drugs, alcohol or
prescription medication that affect driving ability is strictly prohibited per the
City's Alcohol and Drug Free Work Environment Polic.
COMPENSATION FOR BUSINESS USE OF PERSONAL VEHICLES. The
City will compensate City personnel who use personal vehicles for official City
business on a per mile basis at the current standard mileage rate established by the
Federal Government. To receive compensation for local mileage, City personnel
must submit a Travel Authorization and Explain Claim form per the City's Travel
Authorization & Reimbursement for Business -Related Travel Expenses Policy.
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13. WORKPLACE INSPECTIONS
City Policy Reference 200-33
PURPOSE
The City of Auburn has a responsibility to ensure a safe workplace and conduct any related
investigations in a timely and thorough manner. For these, and any other reason the City
determines appropriate and necessary, the City has a right to conduct random and unannounced
inspections workspaces.
POLICY
The City provides equipment, furniture/lockers, vehicles, materials and other items for the use by
City personnel in their conduct of official City business. The City does not assume responsibility
for any theft or damage to any personal belongings occurring within the workplace.
The City of Auburn retains the right to conduct random and unannounced inspections of
workspaces.
14. WORKPLACE HEALTH AND SAFETY
City Policy Reference 300-01
PURPOSE
To document the City of Auburn's policy on workplace health and safety.
POLICY
The City of Auburn takes the health and safety of its workforce seriously and will comply with
all applicable federal, state and local health and safety regulations to provide a work environment
free from recognized hazards likely to cause injury, illness or death.
15. ID BADGES
City Policy Reference 200-38
PURPOSE
To establish the City's policy on City personnel identification and building access badges.
POLICY
The City utilizes a keyless entry ID Badge Access system for entry to most City building.
Building access assignments are made by Human Resources based on position, assigned
responsibilities and individual building policies. Overside of badge access systems management
is a collaborative effort involving Human Resources, Facilities and Information & Technology.
The City will issue photo identification access badges to all elected officials, full-time, part-time
and non-benefitted employees. Volunteers will receive non -photo identification/building access
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badges, unless they are volunteering in the Police Department or Emergency Management
Division, in which case they will receive a photo identification/building access badge.
16. DRESS FOR YOUR DAY
City Policy Reference 200-39
PURPOSE
The policy articulates the City's "Dress for Your Day" philosophy and provides a flexible and
reasonable dress standard for all. This policy is to support a work environment that is
comfortable and inclusive for all City personnel.
Ultimately, the racially, gender, religiously, and politically inclusive business casual dress code
aims to balance individual expression, professionalism, and safety requirements, fostering an
environment where all feel valued, respected, and able to perform their duties effectively.
POLICY - DRESS FOR YOUR DAY
1. The City's "Dress for your Day" philosophy encourages individuality and personal
discretion by allowing individuals to tailor their clothing choices to the day-to-day
demands of their role and the work that they perform. Individuals should consider their
day's schedule, tasks being performed, and the people with whom they'll have
interaction.
2. Good judgment should always be applied when making decisions on workday attire.
Dress for Your Day embodies the basic sentiment that the City trusts individuals to know
how to exercise good judgment in choosing clothing for the workday. This philosophy is
intended to reinforce that trust.
3. General Expectations. To provide guidance, some minimum standards are outlined
below.
a. Casual is the default dress code. Casual is defined as all shirts with collars,
crewneck or v-neck shirts, blouses, and golf and polo shirts. Casual slacks and
trousers, jeans without holes, etc. Dresses/skirts that are mid -thigh or longer,
except for safety sensitive positions prohibited by the Department of Labor &
Industries. Clean, athletic shoes, casual slip-on or tie shoes and dress sandals.
b. Business attire may be necessary for meetings with elected officials, community
members or customers, colleagues or networking opportunities. Business attire is
defined as all shirts with collars, blouses, and golf and polo shirts. Slacks and
trousers. Dresses/skirts that are mid -thigh or longer. Slip on or tie shoes, dress
sandals and clean athletic shoes.
c. Attire and appearance should be clean and appropriate to the workday.
d. Hats should have the City of Auburn logo to aid in identification when serving the
public.
4. Inappropriate Attire. It would be impossible to provide an exhaustive list of what is or is
not acceptable when it comes to appropriate attire. That said, below are some examples of
inappropriate or unprofessional attire. This list is not intended to be exhaustive.
a. Garments that are dirty, ripped, extremely worn or threadbare.
b. Attire printed with social movements, counter movement, or political affiliations.
c. Sleepwear, including slippers.
Page 677 of 769
d. Beachwear, including flip-flops, swimwear and shorts.
e. Shirt or blouse that ends above the waist, exposing a midriff section.
f. Exercise gear is generally not appropriate but may be worn when participating in
wellness, recreation or City -based activities.
g. Applying the Dress for Your Day standard, beach wear and/or exercise gear
would be reasonable attire for parks/recreation staff.
h. Heavily scented lotions, perfumes, colognes should be generally avoided, as some
people have scent allergies and sensitivities. Where specific disability
accommodations have been put in place, use of such products may be formally
restricted.
17. PUBLIC RECORDS REQUESTS
City Policy Reference 400-03
PURPOSE
To establish the procedures the City of Auburn ("City") will follow in order to provide full
access to public records. These rules provide information to persons wishing to request access to
public records of the City and establish processes for both requestors and the City staff.
POLICY
RCW 42.56.070 (1) requires each agency to make available for inspection and copying
nonexempt "public records" in accordance with published rules. The act defines "public record"
to include any "writing containing information relating to the conduct of government or the
performance of any governmental or proprietary function prepared, owned, used, or retained" by
the agency.
RCW 42.56.070(2) requires each agency to set forth "for informational purposes" every law, in
addition to the Public Records Act, that exempts or prohibits the disclosure of public records
held by that agency. The City adopts by reference the list of exemptions found in Appendix C of
the Public Records Act for Washington Cities, Counties, and Special Purpose Districts published
by Municipal Research & Service Center, last update March 2019, as that list may be amended.
In accordance with RCW 42.56.070(4)(a), the City finds that the City is comprised of multiple
departments, which maintain separate databases and document management systems. The City
further concludes that because of the multiple locations, formats, and storage systems, it is
unduly burdensome to main an all-inclusive index of public records. Therefore, the City does
not maintain an all-inclusive index of public records.
18. ELECTRONIC SIGNATURES
City Policy Reference 400-04
PURPOSE AND ADMINISTRATION
To establish an electronic signature policy for the City.
This policy may be modified, rescinded, or replaced at any time by the City Attorney.
Page 678 of 769
POLICY
The City recognizes electronic signatures as legally binding and equivalent in force and effect as
an original handwritten signature and authorizes the use of an electronic signature platform to
affix signatures to City records as provided in this policy. Electronic signatures may be affixed
to all records not legally required to have an original handwritten signature, including but not
limited to, meeting minutes, resolutions, ordinances, engineering records, and any and all leases,
contracts, and agreements to which the City is a signatory.
Electronic signatures may be used on City records requiring execution by a third party.
Electronic signatures cannot be applied using another employee's name. Records signed by a
designee on behalf of the Mayor, City Clerk, City Attorney, City Engineer, Engineer of Record
or Department Director shall use the designee's own electronic signature.
If an electronic signature is used for interstate transactions or for documents required by the U.S.
Federal government, the electronic signature shall comply with the requirements of the
Electronic Signatures in Global and Electronic Commerce Act. This policy in no way affects the
City's ability to conduct a transaction using a physical medium and shall not be construed as a
prohibition on the use of original handwritten signatures.
19. PETITIONS AND SIGNATURE DRIVES AT CITY HALL
City Policy Reference 500-1
PURPOSE
It is the purpose and intent of this policy to make available at City Hall and other public facilities
of the City access to and an opportunity for exchange of information. There are occasions when
public service projects and matters of community interest would warrant the use of City Hall and
other City facilities. Among the methods that information may be gathered and shared are
petitions and signature drives. However, state law (RCW 42.17.130) provides strict limitations
on the use of public facilities for political campaigns, ballot measures and elections matters.
Accordingly, the accessibility and availability of City Hall and other City facilities for petitions
and signature drives related to political campaigns, ballot measures and elections matters must be
curtailed in accordance with state law. Therefore, in order to provide for distinction between
those petitions and signature drives that are election related and those that are community
oriented but unrelated to election matters, a policy should be implemented.
POLICY
Whenever proponents of a petition or signature drive wish to solicit signatures and have petitions
available for signature at City Hall and other City facilities, the Community Development
Director shall screen the petitions and signature drives to assess whether they have any
relationship to any political campaigns, ballot measures or election matters.
1. If the Community Development Director determines that the signature drive or petition is
related to any ballot measure, election or candidacy, it shall be denied permission to
utilize City Hall or other City facilities.
2. If the Community Development Director determines that the petition or signature drive is
unrelated to any political campaigns, ballot measures or elections matters, the
Community Development Director shall then assess whether the petition or signature
Page 679 of 769
drive is community oriented or directed to issues and matters objectively beneficial to the
City.
3. If the Community Development Director determines that the signature drive or petition is
not community oriented or directed to issues and matters objectively beneficial to the
City, it shall be denied permission to utilize City Hall or other City facilities.
4. On the other hand, if the Community Development Director determines that the signature
drive or petition is community oriented or directed to issues and matters objectively
beneficial to the City, it may be granted permission to utilize City Hall or other City
facilities, subject to reasonable space and access considerations.
5. In considering whether the signature drive or petition is community oriented and/or
directed to issues and matters objectively beneficial to the City, the Community
Development Director shall consider whether it meets or promotes a legitimate
municipal/governmental purpose and whether it does so in a way that is fair and
responsible.
20.OBSTRUCTION OF ACCESS TO CITY FACILITIES
City Policy Reference 500-2
PURPOSE
To establish a policy that bans use of entry -plaza areas around City Hall, as well as use of other
City facilities for purposes different than those for which they were intended, or which interferes
with or which could interfere with the intended uses.
POLICY
People are prohibited and prevented from any use of City facilities that interferes with the
purposes for which the City facilities were intended, or which interferes with or obstructs safe,
clean access to City facilities. This includes, but is not limited to use of bicycles, scooters,
skates, skateboards and similar vehicles in the entry -plaza areas around City Hall.
21. TRAVEL AUTHORIZATION
City Policy Reference 100-11
RCW 42.24
Auburn Municipal Code 2.54
PURPOSE
To provide Councilmembers who incur authorized travel, subsistence, registration and related
expenses while on City business, reasonable and timely mechanisms for reimbursement and/or
the advancement of such necessary expenditures.
It is also recognized that City payment of business -related food and beverage for non -travel
purposes will be incurred by Councilmembers wherein reimbursement will be provided. This
policy also served to provide guidelines by which to determine whether or not expenditure by a
Councilmember may be reimbursable to that Councilmember, and by which to determine
refreshments and related costs served or made available at meetings involving volunteers and
other quasi -employees are legitimate City expenditures.
Page 680 of 769
POLICY
The City will pay reasonable and necessary expenses incurred by Councilmembers while
conducting authorized City business. When incurring such expenses, Councilmembers must be
sensitive to public expectations as to the use of public moneys and the need to use good
judgment. The City will not pay ineligible expenses such as alcoholic drinks, expenses incurred
by a spouse or another person, and first-class travel, nor will the City pay expenses judged
excessive, extravagant, unnecessary or unreasonable.
It shall be the policy of the City to allow attendance and participation of City elected and
appointed officials, employees, members of boards, and commissions at meetings and
conventions when such participation is determined to be in the public interest. It shall be
understood that all subsistence rates, allowances and payments provided to City
employees/officials through the implementation of this policy shall only be paid when such
employee or official is engaged in duly authorized City business and not for any other purposes.
22. USE OF CITY CREDIT CARDS
City Policy Reference 100-12
RCW 43.09.2855
Auburn Municipal Code 3.10.020
PURPOSE
1.1 To establish a policy and procedure related to the distribution, authorization, control and use
of City credit cards.
1.2 To establish credit limits and payment of bills related to City credit cards.
POLICY
The City of Auburn finds that the use of credits cards is a customary and economical business
practice to improve cash management, reduce costs and increase efficiency.
Use of Credit Cards shall be limited to the following:
- Extraordinary and/or emergency type circumstances;
- Advance payment for budgeted and authorized training classes/ seminars;
- Advance payment for budgeted and authorized purchases made via the internet;
- Budgeted, approved. travel including costs associated with such travel (advance payment
of airline fares, lodging, registration fees, and tuition);
- Non -travel status meals (see receipt requirement in section 5. 4);
- Travel status meals limited to the. Per Diem rate (see requirements in section 5. 4).
- See also the Travel. Authorization & Reimbursement for Business - Related Travel.
Expenses policy, No. 100- 11.
All credit card receipts must be itemized or have an itemized receipt accompanying them. Meal
receipts shall include a detail of food and beverages served. Meals purchased in travel status will
be limited to per diem amounts. If the per diem rate is exceeded, the card user must reimburse
the City.
Personal charges to City credit cards are not allowed under any circumstance
Page 681 of 769
Disallowed charges, or charges not properly identified, will be paid by the card user before the
charge card billing is due. Failure to do so will render the card user personally liable for the
unpaid amount, plus interest and/ or any fees at the rate charged by the bank that issued the card.
Cash advances on all City credit cards are prohibited.
23. PURCHASING CARDS
City Policy Reference 100-15
PURPOSE
To establish policies and procedures for employees regarding the use of purchasing cards to
procure goods or services for official City business purposes.
POLICY
It is the policy of the City of Auburn to authorize cardholders to make purchases using a City of
Auburn purchasing card. Use of purchasing cards will reduce costs associated with processing
invoices and purchase orders by departments and accounts payable and maintain good business
relations with suppliers through prompt payments.
Authorized cardholders are responsible for becoming knowledgeable with proper use of the card,
authorized expenditures, and the documentation requirements. Authorized cardholders are to use
the cards only for official City business.
All purchasing cards will be issued to the City of Auburn in the name of the authorized
cardholder. The purchasing card must be maintained on person or otherwise secured in a manner
to maintain control of the card. For safety purposes the authorized cardholder's identification or
social security number is not associated with the card.
Purchasing Card Program Cardholder Responsibilities:
1. Be accountable and responsible for the purchasing card in his/ her name at all times.
2. Use the purchasing card for official City business only and not personal use or cash
advances. The Purchasing Card Agreement between the cardholder and the City
must be completed and signed by the cardholder and Pcard Program
Administrator (Finance A/ P) before the purchasing card will be issued. The
Purchasing Card Agreement and its terms are incorporated as part of this policy.
3. Obtain and retain original receipts, packing slips, and shipping documents for each
purchase made with the purchasing card. A monthly report will be provided by
the cardholder.
4. Reconcile, or arrange for the reconciliation of, the purchasing card monthly report/
statement. Confirm that original receipts documenting all transactions on the
report are supportable as appropriate City expenditures are attached to the report.
Have the monthly report reviewed and approved according to internal department
policies and submitted to the Finance Department by the appropriate due dates.
Include appropriate additional documentation when consistent with other City
policies (i. e., travel authorization forms).
Page 682 of 769
5. All purchasing card purchases must comply with the City of Auburn Purchasing and
Travel policies and procedures. The purchasing card is not to be used as a
substitute for contracts.
6. The use of the purchasing card does not relieve the cardholder from complying with
other State, City, and department policies and procedures. The purchasing card is
not intended to replace effective procurement planning, which can result in
quantity discounts, a reduced number of trips, and more efficient use of City
resources.
7. The authorized cardholder is the only person entitled to use the purchasing card that
has their name on the face of the card. Purchasing cards should be treated with
extreme care in the same manner as a personal credit card. The cardholder is
responsible for reporting a lost or stolen card immediately to their supervisor and
Purchasing Card Program Administrator (Finance A/P).
DEFINITIONS:
AUTHORIZED CARDHOLDERS. The Mayor, City Council members, and authorized full or
part-time regular City employees are eligible to use purchasing cards. Temporary employees are
not authorized to use purchasing cards.
PURCHASING CARDS. Will be a credit card with a Visa logo issued from the bank or
procurement card program of the City's choice.
Page 683 of 769
Current Council
Rules of Procedure
as of September
2023
Page 684 of 769
RULES OF PROCEDURE OF THE CITY COUNCIL OF
THE CITY OF AUBURN, WASHINGTON
TABLE OF CONTENTS
SECTION 1
AUTHORITY
2
SECTION 2
COUNCIL MEETINGS
2
SECTION 3
ORDER OF BUSINESS FOR REGULAR COUNCIL MEETING AGENDA
5
SECTION 4
COUNCILMEMBER ATTENDANCE AT MEETINGS
9
SECTION 5
PRESIDING OFFICER - DUTIES
10
SECTION 6
COUNCILMEMBERS
11
SECTION 7
DEBATES
12
SECTION 8
PARLIAMENTARY PROCEDURES AND MOTIONS
13
SECTION 9
VOTING
15
SECTION 10
COMMENTS, CONCERNS AND TESTIMONY TO COUNCIL
15
SECTION 11
PUBLIC HEARINGS AND APPEALS
17
SECTION 12
DEPUTY MAYOR SELECTION PROCESS
18
SECTION 13
COUNCIL POSITION VACANCY
21
SECTION 14
COUNCIL MEETING STAFFING
22
SECTION 15
COUNCIL RELATIONS WITH STAFF
22
SECTION 16
COUNCIL STUDY SESSIONS, COMMITTEES AND CITIZEN
ADVISORY BOARDS
23
SECTION 17
COUNCIL REPRESENTATION AND INTERNAL COMMUNICATION
27
SECTION 18
TRAVEL AUTHORIZATION
30
SECTION 19
CONFIDENTIALITY
31
SECTION 20
ENFORCEMENT OF RULES OF PROCEDURE
31
Page 2 Page 685 of 769
RULES OF PROCEDURE OF THE CITY COUNCIL OF
THE CITY OF AUBURN, WASHINGTON
SECTION 1
AUTHORITY
Pursuant to RCW 35A.12.120, the Auburn City Council establishes the following rules for
the conduct of Council meetings, proceedings and business, and the maintenance of
order. These rules shall be in effect on adoption by resolution of Council and until they
are amended or new rules are adopted. The Deputy Mayor will coordinate a review of
these rules at least once every calendar year.
SECTION 2
COUNCIL MEETINGS
All meetings of the City Council shall be open to the public and all persons shall be
permitted to attend, both in person and virtually, any meeting of this body, except as
provided in RCW Chapter 42.30. The City Clerk' is responsible for preparing agendas for
all City Council meetings.2
The City Clerk is responsible for preparing action minutes of all of the Council meetings,
that contain an account of all official actions of the Council. Council meetings shall be
electronically recorded and retained for the period of time as provided by State law.
2.1 Regular Meetings. Regular meetings of the City Council shall be held at 7:00
p.m. on the first and third Mondays of every month in the City Hall Council
Chambers located at 25 West Main Street, Auburn, Washington.3 The regular
meeting location may be changed by a majority vote of the City Council.
A. If a scheduled Regular Council meeting falls on a legal holiday, the meeting
shall be held at 7:00 p.m. on the first business day following the holiday.
B. The Mayor, as presiding officer, shall be seated at the center of the dais, and
the Deputy Mayor shall be seated to the presiding officer's immediate left. When
the Deputy Mayor is acting as the presiding officer, in the absence of the Mayor,
the Deputy Mayor shall be seated in the center of the dais. The seating
arrangement for the other members of the Council shall be as determined and
directed by the Deputy Mayor. The seating arrangement will be decided once every
calendar year.
'The City Clerk may delegate any of the duties in these Rules to staff.
2ACC 2.03.100
3ACC 2.06.010(A), 2.06.020
Page 3 Page 686 of 769
[See ACC 2.06.010 (Ord. 3916 § 1, 198'
3759 § 1, 1982; 1957 code § 1.04.020);
2.06.080 (1957 code § 1.04.090).]
1957 code § 1.04.010); ACC 2.06.020 (Ord.
ACC 2.06.030 (1957 code § 1.04.060); ACC
2.2 Study Sessions. Study Sessions of the City Council shall be held at 5:30 p.m. on
the second, fourth and fifth Mondays of every month in the City Hall Council
Chambers located at 25 West Main Street, Auburn, Washington.4 The regular
meeting location, including making the location a virtual forum, for Study Sessions
may be changed by a majority vote of the City Council.
A. If a scheduled Study Session falls on a legal holiday, the meeting shall be
held at 5:30 p.m. on the first business day following the holiday.
B. Study Sessions seating arrangement shall be located in the floor space
directly in front of the dais, unless there is a public health emergency in
effect. The table layout for Council and presenters and speakers shall be
to provide for maximum visibility of all attendees. The Deputy Mayor and
the Special Focus Area chairperson for the scheduled focus area per the
agenda shall be at a designated head table. No particular seating
arrangement shall be required for other members of the Council,- or for the
Mayor for Study Sessions.
C. The Council shall not take final action at a Study Session. For purposes of
this rule, "final action" by the council means a collective positive or negative
decision, or an actual vote on a motion, proposal, resolution, order or
ordinance.5 Procedural parliamentary motions are not considered final
action.
2.3 Special Meetings. A special meeting of the City Council may be called by the
Mayor or any three members of the Council by written notice delivered to each
member of the Council at least 24 hours before the time specified for the proposed
meeting. Meeting notices shall be delivered by reasonable methods. Those
methods can include email notification in addition to notice on the agency's website
and principal location. The City Clerk shall provide the written notices. No
ordinance or resolution shall be passed, or contract let or entered into, or bill for
the payment of money allowed, at any special meeting unless public notice of that
meeting has been given by notice to the local press, radio and television that is
reasonably calculated to inform the city's inhabitants of the meeting.6
[See ACC 2.06.040 (1957 code § 1.04.070).]
2.4 Emergency Meetings. Emergency meetings may be called by the Mayor or
presiding officer in case of an emergency. Meeting site notice requirements do not
apply.
4 ACC 2.06.010(B), 2.06.020
5 RCW 42.30.020(2)
6 ACC 2.06.040; RCW 35A.12.110
Page 4 Page 687 of 769
2.5 Closed or Executive Sessions. A Council meeting that is closed to the public.
Council, the Mayor, City Attorney and authorized staff members and/or consultants
may attend.
Closed and Executive sessions may be held during Regular meetings, Study
Session meetings, and Special meetings of the City Council, and will be
announced by the presiding officer. Closed and Executive session subjects are
limited to considering those matters permitted by State law.'
2.6 Cancellation of Meetings. Meetings may be canceled by the Mayor with the
concurrence of the Deputy Mayor or, in the absence of either, by the Mayor or the
Deputy Mayor, or in the absence of both, by the presiding officer or by a majority
vote of the City Council, and proper notice given by the City Clerk.
2.7 Quorum. Four (4) or more Councilmembers will constitute a quorum for the
transaction of business.
SECTION 3
ORDER OF BUSINESS FOR
REGULAR COUNCIL MEETING AGENDA
All items to be included on the Council's agenda for consideration should be submitted to
the City Clerk, in full by 12:00 Noon on the Tuesday preceding each regular Council
meeting. The City Clerk shall then prepare a proposed agenda according to the order of
business, for approval by the Mayor, or their designee, provided the approval shall be
exercised in a manner consistent with ACC 2.03.100. A final agenda will then be prepared
by the City Clerk and distributed to Councilmembers as the official agenda for the
meeting.
3.1 The agenda format of the Regular City Council meeting shall be as follows:
A. Call to Order. The Mayor shall call the meeting to order.
B. Land Acknowledgement. The Mayor shall make a land acknowledgement.
C. Public Participation. This is the place in the agenda where the public is
informed on how to participate in the public meeting and/or instructed on
the available options to view the public meeting.
D. Pledge of Allegiance. The Mayor, Councilmembers and, at times, invited
guests will lead the Pledge of Allegiance.
RCW 42.30.110(1), 42.30.140
Page 5 Page 688 of 769
E. Roll Call. The City Clerk will call the roll.
F. Announcements, Proclamations and Presentations. A proclamation is
defined as an official announcement made by the Mayor or the City Council
regarding a non -controversial event, activity or special interest group which
has a major city-wide impact.
G. Appointments. Appointing individuals to various committees, boards and
commissions. Confirmation of appointments, where confirmation is called
for, may be preceded by discussion in executive session, where
appropriate.
H. Agenda Modifications. Changes to the Council's published agenda are
announced at this time.
J
2
Public Hearings and Appeals. Individuals may comment on public
hearing and appeal items by submitting written comments to the City Clerk
in advance of the public hearing or by participating in the forum designated
by the public hearing notice. However, if an appeal is a closed -record
appeal, the matter shall be considered only based on information, evidence
and documents in the record. Argument on the appeal shall refer only to
matters, information, documents and evidence presented at the underlying
hearing from which the appeal is taken, and no new information, evidence
or documents may be added, and argument on the appeal may only deal
with information, evidence and documents in the record. The presiding
officer will state the public hearing and/or appeal procedures before each
hearing.
Public Comment. Members of the public may comment on any matter
related to City business under the
agenda. Section 10 of these Rule
Correspondence.
s
L. Council Ad Hoc Committee Reports. Council ad hoc Committee Chairs,
or designee, may report on the status of their ad hoc Council Committees'
progress on assigned tasks and may give their recommendations to the City
Council, if any. The Chair of an ad hoc committee must notify the Mayor,
Deputy Mayor, City Clerk, and most senior member of the ad hoc committee
in advance of any anticipated absence.
M. Consent Agenda. Approval of the Consent Agenda, including items
considered to be routine and non -controversial, may be approved by one
motion. Items on the Consent Agenda include but are not limited to the
Page 6 Page 689 Of 769
following. Any Councilmember may remove any item from the Consent
Agenda for separate discussion and action.
Approval of minutes.
2. Fixing dates for public hearings and appeals.
3. Approval of claims and vouchers, bid awards and contracts.
4. Approval of surplus property.
5. Other items designated by the City Council.
N. Unfinished Business. Unfinished business of a general nature that was
considered by Council at a previous business meeting.
0. New Business. Business, other than ordinances and resolutions, that has
not been previously before the City Council and items that are removed from
the Consent Agenda for separate discussion and action. Councilmembers
are encouraged to provide the Mayor or Deputy Mayor information
regarding the topic of any new business 48 hours prior to the Council
meeting.
P. Ordinances.
All ordinances shall be in writing. Titles may be read aloud before
the ordinance is voted on. Any councilmember may request a full
reading of the text of a proposed ordinance before the vote on its
adoption. The request for a full reading of an ordinance does not
need to be voted on. However, the request for a reading of the title
of the proposed ordinance, or a full reading of the text of the
proposed ordinance may be waived by a majority of the
councilmembers in attendance at the council meeting.
2. Before any ordinance is considered for adoption by the City Council,
the ordinance shall be included on a Study Session agenda. Council
may waive this rule.
After a motion to adopt an ordinance has been made and seconded, the
Councilmember making the motion is encouraged to give a brief description
of the issues involved with the ordinance, without simply repeating the
ordinance title, and may choose to comment on any results of Council
discussion or action regarding the issue.
Discussion and debate by the City Council on ordinances will be held before
the vote on an ordinance. Councilmembers may approve, reject, or amend
Page 7 Page 690 of 769
the ordinance, or postpone the action and direct staff to further review the
proposed ordinance.
An ordinance shall be adopted by a vote of at least a majority of the whole
membership of the Council, provided, that public emergency ordinances
require a vote of a majority plus one of the whole Council membership. A
public emergency ordinance is one designated to protect public health and
safety, public property, or public peace.
Q. Resolutions. All resolutions shall be in writing. Titles may be read aloud
before the resolution is voted on. Any councilmember may request a full
reading of the text of a proposed resolution prior to the vote on its passage.
The request for a full reading of a resolution does not need to be voted on.
However, the request for a reading of the title of the proposed resolution, or
a full reading of the text of the proposed resolution may be waived by a
majority of the councilmembers in attendance at the council meeting.
After a motion to pass a resolution has been made and seconded, the
Councilmember making the motion is encouraged to give a very brief
description of the issues involved with the resolution without simply
repeating the resolution title, and the councilmember may choose to
comment on any results of Council discussion or action regarding the issue.
Discussion and debate by the City Council on resolutions will be held
before the vote on a resolution. Councilmembers shall decide whether or
not to amend the resolution, or direct staff to further review the proposed
resolution.
A resolution shall be passed by a majority vote of a quorum of the Council,
provided that passage of any resolution for the payment of money or that
grants or revokes a franchise or license, shall require the affirmative vote of
at least a majority of the whole membership of the Council.
R. Mayor and Councilmember Reports. The Mayor and Councilmembers
may report on their significant City -related activities associated with their
appointed positions on federal, state, regional, City, and local organizations,
since the last regular meeting. The Mayor and Councilmembers shall limit
their reports to not more than three (3) minutes, with sensitivity to avoiding
duplicate reporting.
S. Adjournment.
3.2 Recess. The foregoing agenda may be interrupted for a stated time as called by
the presiding officer to recess for any reason, including closed or executive
sessions.
Page 8 Page 691 of 769
3.3 Amendment to Agenda. The sequence of handling items on the agenda of a
particular Regular Council Meeting may be amended from order listed on the
printed/approved agenda as follows:
A. Motion to Suspend the Rules. On a motion by any member and majority
vote, the City Council may suspend the rules to add an item (e.g., under
New Business) or to allow an item on the agenda to be considered at a
different order or placement in the agenda, or to be referred to an upcoming
Study Session agenda (See Rules 2.2 and 16.1).
B. Adjustment of Agenda by Presiding Officer. The presiding officer may
adjust the order of items on the agenda, or add items to the agenda if agreed
upon by the Mayor and the Deputy Mayor, subject to being overruled by a
majority vote of the Council.
SECTION 4
COUNCILMEMBER ATTENDANCE AT MEETINGS
4.1 Council Meetings.
A. Councilmembers shall attend all scheduled meetings, including committee
meetings. Councilmembers shall inform the Mayor or the City Clerk if they
are unable to attend any Regular Council meeting, or if they knowingly will
be late to any such meetings, or unable to stay for the entire meeting.
Councilmembers shall inform the Chair of the committee and the City Clerk
if they are unable to attend a meeting.
A Councilmember will be excused from a meeting if they have submitted a
request to the Mayor or City Clerk in advance of the meeting. Written
requests should be submitted whenever possible, by email. If the request is
made the day of the meeting, it may be made by telephone or in person.
The reason for the request shall be given at the time of the request.
Excessive, continued or prolonged absences may be addressed by the City
Council on a case -by -case basis.
Additionally, Councilmembers shall notify the Deputy Mayor of anticipated
absences.
[See ACC 2.06.050 and RCW 35A.12.060]
B. Councilmembers may participate remotely at Council meetings via
telephone, video conference, or other approved electronic means with
notification to the Mayor, Deputy Mayor, and designated City staff prior to
noon on the day of the meeting. If a Councilmember appears remotely for
a Council meeting, the Councilmember will use the City of Auburn approved
virtual background. Technical circumstances shall be considered as to the
Page 9 Page 692 of 769
acceptability of remote attendance. Council prefers in -person attendance
when possible.
C. Remote attendance of the entire council may be permissible when and if a
declaration of emergency is declared locally, regionally, state wide, and/or
nationally that would prohibit in person attendance by councilmembers. The
Mayor shall direct remote attendance of the council as necessary and when
it is in the interest of the City to conduct council business.
[See ACC 2.06.050 and RCW 35A.12.060]
4.2 Study Sessions.
A. Councilmembers shall attend all Study Sessions. Councilmembers shall
inform the Mayor or the City Clerk and the Deputy Mayor if they are unable
to attend a Study Session, or if they knowingly will be late to any such
meeting, or unable to stay for the entire meeting. Councilmembers shall
also inform the Chair of ad hoc committees, and Special Focus Areas if
they are unable to attend a such meetings.
A Councilmember will be excused from a meeting if they have submitted a
request to the Mayor or City Clerk and the Deputy Mayor in advance of the
meeting. Written requests should be submitted whenever possible, by
email. If the request is made the day of the meeting, it may be made by
telephone or in person. The reason for the request shall be given at the time
of the request. Excessive, continued or prolonged absences may be
addressed by the City Council on a case -by -case basis.
[See ACC 2.06.050 and RCW 35A.12.060]
B. Councilmembers may participate remotely at Study Sessions under the
same protocol set forth in Section 4.1 B-C.
4.3. Ad Hoc Council Committee Meetings. Attendance at Ad Hoc Council
Committee meetings and Special meetings will not be considered "regular
meetings" for the purposes of RCW 35A.12.060, applicable to Regular City Council
meetings. However, unexcused absences from any Regular or Special meetings,
or Ad Hoc Committee meetings, is a violation of these Rules of Procedure.
4A Use of Cell Phones Prohibited. At all meetings of the City Council,
Councilmembers may use their City cell phones. All cell phones must remain on
silent for the duration of the meeting. Personal communication devices may only
be used in the event of an emergency. Councilmembers shall not send, receive,
read or post e-mails, texts, or social media posts during meetings of the Council.
4.5 Deportment. To the extent feasible, Councilmembers shall utilize language
appropriate to the seriousness of the public legislative matters at hand.
Page 10 Page 693 of 769
Councilmembers shall address their remarks to the presiding officer, and shall
address elected officials and staff by their title rather than first name, e.g., "Mayor
[surname]," "Deputy Mayor [surname], "Council member [surname]" "Chief
[surname," or "Director [surname]," as applicable. Councilmembers shall refrain
from side conversations with other individual Councilmembers. Councilmembers
shall also refrain from inappropriate or derogatory body language, comments, or
any other actions that detract from the deportment of the City Council.
SECTION 5
PRESIDING OFFICER - DUTIES
5.1 Conduct of Meetings.
A. The Mayor will preside over all Regular and Special Meetings of the Council.
If the Mayor is absent, the Deputy Mayor will preside. If both the Mayor and
Deputy Mayor are absent, the Senior Councilmember will preside.
B. The Deputy Mayor will preside over Council Study Sessions, other than
those portions for which Special Focus Areas are scheduled, in which case
the Chair of the Special Focus Area will preside. If the Deputy Mayor is
absent, the Special Focus Area Chair will preside. If both the Deputy Mayor
and the Special Focus Area Chair are absent, the Senior Councilmember
will preside.
C. The Chair of a Special Focus Area must notify the Mayor, Deputy Mayor,
City Clerk, and Vice Chair of the Special Focus Area in advance of any
anticipated absence.
The Mayor is encouraged to attend Study Sessions.
5.2 The Presiding Officer:
A. Shall preserve order and decorum at all meetings of the Council and cause
the removal of any person in the audience from any meeting who interrupts
the meeting after having been warned to cease the interruptive behavior.
B. Shall observe and enforce all rules adopted by the Council.
C. Shall decide all questions on order, in accordance with these rules, subject
to appeal by any Councilmember.
D. May affix approximate time limits for each agenda item.
Page 11 Page 694 of 769
SECTION 6
COUNCILMEMBERS
6.1 Remarks. Councilmembers who wish to speak shall address the presiding
officer, and when recognized, shall limit their comments to questions under
consideration.
6.2 Questioning. Any member of the Council, and the Mayor, shall have the right to
question any individual, including members of the staff, on matters related to the
issue properly before the Council for discussion.
6.3 Obligation to the Public Agency. Notwithstanding the right of Councilmembers
to express their independent opinions and exercise their freedom of speech,
Councilmembers should act in a way that reflects positively on the reputation of
the City and of the community. Councilmembers shall also interact with other
members of the City Council, the Mayor and City staff in ways that promote
effective local government.
6.4 Council Training. Councilmembers shall participate in training offered by
individuals, agencies, entities and organizations including but not limited to the
Association of Washington Cities and the State of Washington. This includes initial
orientation after taking office, and other required or recommended training.
6.5 Participation in Committees, Agencies and Organizations. To better represent
the interests of the City of Auburn, Councilmembers are encouraged to participate
in assignments to local, regional, state and national committees, agencies and
organizations, and to attend community, regional and state events.
Councilmembers who have confirmed their intent to attend are expected to arrange
their appearance in order to avoid unnecessary expenditure of City funds.
SECTION 7
DEBATES
7.1 Speaking to the Motion. No member of the Council, or the presiding officer, shall
speak more than twice on the same motion except by consent of the presiding
officer or a majority of the Councilmembers present at the time the motion is before
the Council. The Presiding Officer shall recognize Councilmembers in the order in
which they request the floor. The Councilmember who made a motion shall be
permitted to speak to it first. The presiding officer may also allow discussion of an
issue before stating a motion when such discussion would facilitate wording of a
motion.
7.2 Interruption. No member of the Council, or the presiding officer, shall interrupt or
argue with any other member while such member has the floor, other than the
Page 12 Page 695 of 769
presiding officer's duty to preserve order during meetings as provided in Section
5.2.A of these rules.
7.3 Courtesy. Members of the Council and the presiding officer, in the discussion,
comments, or debate of any matter or issue shall address their remarks to the
presiding officer, be courteous in their language and deportment, and shall not
engage in or discuss or comment on personalities, or indulge in derogatory
remarks or insinuations in respect to any other member of the Council, or any
member of the staff or the public, but shall at all times confine their remarks to
those facts which are germane and relevant to the question or matter under
discussion.
7.4 Challenge to Ruling. Any member of the Council shall have the right to challenge
any action or ruling of the presiding officer, in which case the decision of the
majority of the members of the Council present shall govern.
SECTION 8
PARLIAMENTARY PROCEDURES AND MOTIONS
8.1 Unless specifically provided in these rules, all City Council meeting discussions
shall be governed by ROBERTS RULES OF ORDER, NEWLY REVISED (latest
edition).
8.2 If a motion does not receive a second, it dies. Matters that do not constitute a
motion (and for which no second is needed) include nominations, withdrawal of
motion by the person making the motion, request for a roll call vote, and point of
order or privilege.
8.3 A motion that receives a tie vote fails. Except where prohibited by law, the Mayor,
as presiding official, shall be allowed to vote to break a tie vote.
8.4 Motions shall be stated in the affirmative. For example, "I move to approve" as
opposed to 1 move to reject." Councilmembers shall be clear and concise and not
include arguments for the motion within the motion.
8.5 After a motion has been made and seconded, the Councilmembers may discuss
their opinions on the issue prior to the vote.
8.6 If any Councilmember wishes to abstain from a vote on a motion that
Councilmember shall so advise the City Council, shall remove and absent
themselves from the deliberations and considerations of the motion, and shall have
no further participation in the matter. The Councilmember should make this
determination before any discussion or participation on the subject matter or as
soon thereafter as the Councilmember identifies a need to abstain.
Councilmember may confer with the City Attorney to determine whether the
Councilmember is required to abstain.
Page 13 Page 696 of 769
8.7 A motion to table is non -debatable and shall preclude all amendments or debates
of the issue under consideration. A motion to table effectively removes the item
without a time certain. A motion to table to a time certain will be considered a
motion to postpone as identified in Section 8.8. To remove an item from the table
requires a two-thirds' majority vote.
8.8 A motion to postpone to a certain time is debatable, is amendable and may be
reconsidered at the same meeting. The question being postponed must be
considered at a later time at the same meeting, or to a time certain at a future
Regular or Special City Council meeting. To remove an item from postponement
in advance of the time certain requires a two-thirds' majority vote.
8.9 A motion to postpone indefinitely is debatable, is not amendable, and may be
reconsidered at the same meeting only if it received an affirmative vote.
8.10 A motion to call for the question shall close debate on the main motion and is not
debatable. This motion must receive a second and fails without a two-thirds' vote;
debate is reopened if the motion fails.
8.11 A motion to amend is defined as amending a motion that is on the floor and has
been seconded, by inserting or adding, striking out, striking out and inserting, or
substituting.
8.12 Motions that cannot be amended include: Motion to adjourn, lay on the table
(table), roll call vote, point of order, reconsideration and take from the table.
8.13 A point of order can be raised by any member of the governing body. A member
of the governing body can appeal the chair's ruling. An appeal must be immediate
and must be seconded. The chair will then explain the ruling. The members of the
governing body can debate the matter, each member may speak once. The
members of the governing body will then make a decision on the appeal by a
majority vote.
8.14 Amendments are voted on first, then the main motion as amended (if the
amendment received an affirmative vote).
8.15 Debate of the motion only occurs after the motion has been moved and seconded.
8.16 The presiding officer, City Attorney or City Clerk should repeat the motion prior to
voting.
8.17 When a question has been decided, any Councilmember who voted with the
prevailing side may move for reconsideration at the same, or the next meeting. In
order to afford Councilmembers who voted with the prevailing side the potential
basis for a motion for reconsideration, Councilmembers who voted with the
prevailing side may inquire of Councilmembers who voted with the minority as to
Page 14 Page 697 of 769
the reasons for their minority vote, if not stated during debate prior to the vote. A
motion for reconsideration is debatable if the motion being reconsidered was
debatable. If the motion being reconsidered was not debatable, the motion for
reconsideration is not debatable.
8.18 The City Attorney shall act as the Council's parliamentarian and shall advise the
Presiding Officer on all questions of interpretations of these rules which may arise
at a Council meeting.
8.19 These rules may be amended, or new rules adopted, by a majority vote of the full
Council.
SECTION 9
VOTING
9.1 Voice vote. A generalized verbal indication by the Council as a whole of "aye or
yes" or "nay or no" vote on a matter, the outcome of which vote shall be recorded
in the official minutes of the Council. Silence of a Councilmember during a voice
vote shall be recorded as a "no" vote except where a Councilmember abstains
because of a stated conflict of interest or appearance of fairness issue.
If there is uncertainty as to the outcome of a voice vote, the presiding officer or any
councilmember may ask for a raise of hands for the ayes or nays.
9.2 Roll Call Vote. A roll call vote may be requested by the presiding officer or by any
Councilmember. The City Clerk shall conduct the roll call vote.
9.3 Abstentions. It is the responsibility of each Councilmember to vote when
requested on a matter before the full Council. A Councilmember may only abstain
from discussion and voting on a question because of a stated conflict of interest or
appearance of fairness.
9.4 Votes by Mayor. Except where prohibited by law, the Mayor, as presiding official,
shall be allowed to vote to break a tie vote.
SECTION 10
COMMENTS, CONCERNS AND TESTIMONY TO COUNCIL
10.1 Persons or groups specifically scheduled on a Council meeting agenda may
address the Council in accordance with the speaking times included on the
agenda.
10.2 Persons or groups that are not specifically scheduled on the agenda may address
the council by filling out a speaker sign -in sheet (available at the City Clerk's desk
or at a designated location within the council chambers), and (when recognized by
Page 15 Page 698 of 769
the council) stepping up to the podium and giving their name and address for the
record.
Unscheduled public comments to the Council are subject to the following rules:
1. Remarks will be limited to 3 minutes. The City Clerk shall use a suitable device
to electronically measure speaker time. The presiding officer may make
discretionary exceptions to speaker time restrictions;
2. Speakers may not "donate" their speaking time to any other speaker;
3. Remarks will be addressed to the Council as a whole.
10.3 Meeting interruptions. Any speaker or person who interrupts the orderly conduct
of a meeting may be barred from further participation in the meeting by the
presiding officer, unless permission to continue is granted by a majority of
Councilmembers present. Examples of interruptions under this rule include:
1. failing to comply with an allotted speaking time,
2. committing acts of violence or property destruction;
3. directly or indirectly threatening physical violence against anyone attending the
meeting;
4. interfering with the meeting or with other speakers through vocal interruptions
or disruptive action.
If a meeting interruption occurs, the Presiding Officer shall address the person(s)
causing the interruption by citing the interrupting conduct, ordering it to stop, and
warning that continuation may result in removal from the meeting.
The Presiding Officer may remove the interrupting person(s) if the conduct persists
after the warning. If removal of the person(s) does not restore the meeting to order,
the Presiding Officer may clear the room of spectators and continue the meeting,
or adjourn the meeting and reconvene it at a different location selected by Council
majority.$
8 RCW 42.30.050
Page 16 Page 699 of 769
SECTION 11
PUBLIC HEARINGS AND APPEALS
11.1 Quasi-judicial hearings require a decision be made by the Council using a certain
process, which may include a record of evidence considered and specific findings
made. The following procedure shall apply:
A. The Department Director of the department most affected by the subject
matter of the hearing, or that Director's designee, will present the City's
position and findings. Staff will be available to respond to Council questions.
B. The proponent spokesperson shall speak first and be allowed (10) minutes.
Council may ask questions.
C. The opponent spokesperson shall be allowed ten (10) minutes for
presentation and Council may ask questions.
D. Each side shall then be allowed five (5) minutes for rebuttal, with the
proponent spokesperson speaking first, followed by the opponent
spokesperson.
E. The City Clerk shall serve as timekeeper during these hearings.
F. After each proponent and opponent spokesperson have used their
speaking time, Council may ask further questions of the speakers, who shall
be entitled to respond but limit their response to the question asked.
11.2 Public hearings where a general audience is in attendance to present arguments
for or against a public issue:
A. The Department Director or designee shall present the issue to the Council
and respond to questions.
B. A person may speak for three (3) minutes. No one may speak for a second
time until everyone who wishes to speak has had an opportunity to speak.
The presiding officer may make exceptions to the time restrictions of
persons speaking at a public hearing when warranted, in the discretion of
the presiding officer.
C. The City Clerk shall serve as timekeeper during these hearings.
D. After the speaker has used their allotted time, Council may ask questions
of the speaker and the speaker may respond, but may not engage in further
debate.
E. The hearing will then be closed to public participation and open for
discussion among Councilmembers.
Page 17 Page 700 of 769
F. The presiding officer may exercise changes in the procedures at a particular
meeting or hearing, but the decision to do so may be overruled by a majority
vote of the Council.
SECTION 12
DEPUTY MAYOR
12.1 Annually or more often as deemed appropriate, the members of the City Council,
by majority vote, shall designate one of their members as Deputy Mayor for a one
year time period, except as provided in Section 12.1, Paragraphs G and H.
Elections will be held no later than the last Council meeting of the year.
A. Any member of the City Council who will have served on the Council for one
year at the beginning for that Councilmember's terms as Deputy Mayor,
may be nominated for the position of Deputy Mayor by having that
Councilmember's name placed in nomination by a Councilmember. The
nomination of a councilmember for the position of Deputy Mayor does not
require a second, and a councilmember may nominate him or herself.
Nominations for the position of Deputy Mayor shall be made by
members of the City Council on the dates of election for the Deputy
Mayor position.
2. In connection with the selection of Deputy Mayor, it is strongly
suggested that councilmembers approach the election in an open,
transparent and respectful manner, avoiding anything that
jeopardizes harmony among councilmembers.
B. The Councilmember receiving a majority of the votes cast by the members
of the City Council shall be elected Deputy Mayor. A Councilmember may
vote for him or herself.
C. The names of all nominees for the position of Deputy Mayor shall be
included in the vote.
D. If no single Councilmember received a majority of the votes cast, a second
vote/ballot between the two nominees who received the largest number of
votes will be held.
E. The Deputy Mayor shall serve at the pleasure of the Council.
F. In the event of the absence or unavailability of the Deputy Mayor, the senior
member of the City Council, other than the Deputy Mayor, shall serve as
interim Deputy Mayor until the return of the regular Deputy Mayor.
Page 18 Page 701 of 769
G. If the designated Deputy Mayor is unable to serve the full term of the
position of Deputy Mayor, the Council shall elect the next Deputy Mayor in
accordance with Section 12 to serve the remainder of the term. If the
appointment is declined the process shall continue until a Deputy Mayor is
designated.
H. In the event that the councilmember selected as Deputy Mayor is unable to
perform the duties of the position of Deputy Mayor, or fails to act in
accordance with the City Council Rules of Procedure, the City Council may,
by a majority vote of the full City Council, remove the Deputy Mayor from
this position, in which case, the Council shall elect the next Deputy Mayor
in accordance with Section 12 to serve the remainder of the term.
[See RCW 35A.12.065.]
12.2 The Deputy Mayor, as the head of the legislative branch of the City, shall perform
the following duties:
A. Intra-Council Relations:
1. Serve as the Chair of the Council Study Sessions in accordance
with Rule 5.1.B;
2. Serve as an ex-officio member of all ad hoc committees of the City
Council. If the Deputy Mayor's attendance at an ad hoc committee
meeting brings the number of councilmembers attending to four, the
meeting shall comply with the Open Public Meetings Act (RCW
42.30), unless expressly exempted;
3. Assist in new councilmember training including conducting a review
of the rules of procedure with one to two individual councilmembers;
4. Support cooperative and interactive relationships among council
members;
5. Work with Administration to prepare agendas for Council Study
Sessions, in accordance with Rules 2.2 and 16.1.B;
6. Preside over the Study Sessions of the City Council, designate
Special Focus Area chairs, designate Special Focus Area
assignments, and work with the chairs of the Special Focus Areas
on the portions of Study Sessions over which the Special Focus
Areas chairs preside.
B. Mayor -Council Relations:
Page 19 Page 702 of 769
Help maintain a positive and cooperative relationship between the
Mayor and the City Council;
2. Act as conduit between the Mayor and the City Council on issues or
concerns relating to their duties;
3. Preside over Regular Meetings of the City Council in the absence or
unavailability of the Mayor;
4. In the event of a prolonged absence or incapacitation that exceeds
two weeks (a state of disability that prohibits the function of duties)
of the Mayor, the Deputy Mayor shall perform the duties of the Mayor.
(a) A prolonged absence that exceeds two weeks is defined as
requiring a leave of absence that prohibits the performance of
the duties of the office. Vacation leave for periods up to two
weeks, illnesses requiring an absence of less than two weeks,
out of state or out of country travel lasting not more than two
weeks, or other similar short-term absences shall not be
considered prolonged absences.
(b) In the event of a disaster, emergency, or other similar
circumstance, where the Mayor is out-of-town and unable to
carry out the duties of the office of Mayor, the Deputy Mayor,
in consultation with the Mayor, shall act as Mayor until the
return and availability of the Mayor;
5. The Deputy Mayor shall also stand in on behalf of the Mayor in other
situations as requested by the Mayor;
6. In the performance of the duties of the Mayor, the Deputy Mayor shall
not have authority to appoint, remove, replace, discipline or take
other similar action on any director or employee of the City;
7. The Deputy Mayor shall not have veto authority for actions that may
be taken by the City Council;
8. The Deputy Mayor shall be aware of City, regional and
intergovernmental policies and activities in order to properly execute
the role of Mayor.
C. Intergovernmental and Community Relations:
Act in absence of Mayor as requested and/or as required;
Page 20 Page 703 of 769
2. Be aware of all City regional and intergovernmental policies and
activities in order to be prepared to step into the role of Mayor if
necessary;
3. Serve as the Chair of the City's Emergency Management
Compensation Board.
D. Other Duties of the Deputy Mayor:
In cooperation with the Mayor and Special Focus Area group's
chairpersons and with assistance from Administration, create and
establish agendas for all study sessions;
2. Serve as liaison to the Junior City Council, participating as a non-
voting member of the Junior City Council, encouraging, guiding and
counseling the members of the Junior City Council in connection with
its duties and assignments;
3. Facilitate any issue related to the conduct and/or actions of
councilmembers that may be inappropriate or that may be in violation
of the Council Rules of Procedure (Section 20.1);
4. Conduct regular and periodic meetings with individual
councilmembers to address councilmember issues, concerns,
legislative processes, councilmember proposals, councilmember
training, and other similar related items;
5. Conduct group meetings with councilmembers, including two on one
meetings with councilmembers on a rotating basis provided that such
meetings shall not have more than two councilmembers at such
meetings. All such meetings at which a quorum of the City Council is
in attendance shall be in compliance with the Open Public Meetings
Act (RCW 42.30), unless expressly exempted.
SECTION 13
COUNCIL POSITION VACANCY OR ABSENCE
13.1 If an unexpired Council position becomes vacant, the City Council has ninety (90)
days from the occurrence of the vacancy to appoint, by majority vote of a quorum
of the remaining members of the Council, a qualified person to fill the vacancy
pursuant to State law. The Council may make such appointment at its next regular
meeting, or at a special meeting called for that purpose. If the Council does not
appoint a person within the ninety (90) day period, the County may appoint a
qualified person to fill the vacancy as provided by RCW 42.12.070.
Page 21 Page 704 of 769
13.2 If there is an extended excused absence or disability of a Councilmember, the
remaining members by majority vote may appoint a Councilmember Pro Tempore
to serve during the absence or disability.
SECTION 14
COUNCIL MEETING STAFFING
14.1 Department Directors or designees shall attend all meetings of the Council unless
excused by the Mayor.
14.2 The City Attorney, or designee, shall attend all meetings of the Council unless
excused by the Mayor, and shall upon request, give an opinion, either written or
oral, on legal questions. The City Attorney shall act as the Council's
parliamentarian.
SECTION 15
COUNCIL RELATIONS WITH STAFF
15.1 There will be mutual courtesy and respect from both City staff and
Councilmembers toward each other and of their respective roles and
responsibilities.
15.2 City staff will acknowledge the Council as policy makers, and the Councilmembers
will acknowledge City staff as administering the Council's policies under the
direction of the Mayor.
15.3 It is the intent of Council that all pertinent information asked for by individual
Council members shall be made available to the full Council.
15.4 Individual Councilmembers shall not attempt to coerce or influence City staff in the
selection of personnel, the awarding of contracts, the selection of consultants, the
processing of development applications or the granting of City licenses or permits.
Councilmembers may, at the request of the Mayor, participate in discussions and
decisions related to these matters.
15.5 Other than through legislative action taken by the Council as a whole, individual
Councilmembers shall not interfere with the operating rules and practices of any
City department.
15.6 No individual Councilmember shall direct the Mayor to initiate any action or prepare
any report that is significant in nature, or initiate any project or study without the
consent of a majority of the Council. This provision, however, does not prohibit
individual Councilmembers from discussing issues with the Mayor or making
individual requests or suggestions to the Mayor. The Mayor shall endeavor to
advise and update the Councilmember(s) on the status or follow-up of such issues.
Page 22 Page 705 of 769
15.7 All councilmember requests for information, agenda bills and staff analysis, other
than requests for legal advice from the City Attorney's Office, shall be directed
through the Mayor in order to assign the task to the proper staff. The Deputy Mayor
may work with the Mayor's designated staff to prepare Study Session agendas and
related materials, and facilitate Study Session work.
15.8 Any written communication with staff shall also include the Mayor as a recipient.
SECTION 16
COUNCIL STUDY SESSIONS, COMMITTEES
AND CITIZEN ADVISORY BOARDS
16.1 In addition to the regularly scheduled City Council meetings (Regular Council
Meetings) scheduled on the first and third Mondays of the month, City Council shall
regularly schedule Council Study Sessions on the second, fourth and fifth Mondays
of the month for review of matters that would come back before the City Council at
Regular Council Meetings. Different than the format for Regular Council Meetings
(identified in Section 3 hereof), Study Sessions shall be less formal than Regular
Council Meetings and shall give the City Council the opportunity to discuss and
debate issues coming before it for action at Regular Council meetings. The format
for these meetings shall be as follows:
A. General Business Focus and Special Focus Areas.
Study Sessions shall consist of (1) a General Business Focus and (2) a
Special Focus Area in each meeting. The General Business Focus shall be
scheduled first, and shall include agenda items that relate to issues of
general City concern, items that will be coming before the City Council at
upcoming meetings and presentations and reports to the City Council. The
Special Focus Area groups shall, on a rotating basis described below,
commence their portion of the Study Session following the conclusion of the
Study Session General Business Focus, The Special Focus Area groups
shall review matters of Council concern related to their areas of oversight
responsibility. The Special Focus Area groups shall consist of the following:
(1) Public Works & Community Development; (2) Municipal Services, (3)
Community Wellness; and (4) Finance, Technology & Economic
Development. These Special Focus Area groups shall be tasked with
oversight of Council considerations as follows:
1. Community Wellness
• Health Equity and Wellness
• Neighborhood Services
• Homelessness Prevention
• Social Services
Page 23 Page 706 of 769
• Diversity, Equity & Inclusion
• Cultural Arts & Community Events
• Housing Policy
2. Finance and Internal Services
• Facilities
• Technology
• Property management
• Risk management & Insurance
• Fiscal Sustainability
3. Public Works and Community Development
• Utilities
• Transportation
• Environmental Policy
• Land Use & Development
• Right of Way Management
• Airport
• Park Development
• Economic Development
4. Municipal Services
• Public Safety
• Courts
• Recreation, Museum & Sr Services
• Animal Control
• Emergency Planning
• Cemetery
• Communications
Aside from the above Special Focus Area topics, there shall be a Finance ad hoc
Committee to review vouchers and payroll.
B. Scheduling of Special Focus Area.
The Special Focus Areas shall conduct their portion of the Study
Sessions on 2nd and 4t" Mondays of the month on a rotating basis
such as follows: Public Works & Community Development, then
Municipal Services, then Community Wellness, then Finance &
Economic Development, then Public Works & Community
Development, then Municipal Services, and so on.
2. On 5t" Mondays of the Month, Study Sessions will not typically
include any of the above Special Focus Areas, but may include
special topics and issues of general concern to the City Council,
including Council operating arrangements and Council Rules of
Procedure. It is provided, however, that in order for the City Council
to address the matters coming before the City Council, the Mayor
and Deputy Mayor may, as they deem appropriate, insert into any
Study Session any matters calling for City Council consideration and
Page 24 Page 707 of 769
discussion, regardless of Special Focus Areas; provided that to the
extent feasible such matters will be scheduled to allow sufficient time
for preparation of relevant background analysis and information
concerning said items and provision to all Council members in
advance of the Study Session.
3. Topics for Special Focus Area consideration (for inclusion in the
Special Focus Area portion of the Study Session agenda) shall be
determined by the Chair of each Special Focus Area along with the
Mayor and the Deputy Mayor, the Vice -Chair, and the designated
departments director(s) for the Special Focus Area, with the matters
to be scheduled to the extent feasible to allow sufficient time for
preparation of relevant background analysis and information
concerning said items and provision to all Council members in
advance of the Study Session. The department director(s) shall
review agenda topics and suggestions by other Councilmembers of
such topics. The Deputy Mayor may review agenda items and topics
with each Special Focus Area chairperson individually when
convenient.
C. Meeting Times
Study Sessions shall be scheduled as set forth in Section 2.2, above
1. Three to four hours maximum timeframe (goal).
2. Agenda items should relate to future policy -making, strategic
planning or key state or federal issues affecting current or future city
operations.
3. Agenda items should be substantive only (e.g., traffic impact fee
increase proposals, comprehensive plan updates, rather than day-
to-day operational issues. [Non -substantive items (e.g., accepting a
grant, authorizing contract bidding, etc.) should go directly to the
Regular City Council meeting.
D. Study Session Meeting Format.9
Call to Order.
2. Roll Call.
3. Announcements, Reports, and Presentations.
4. Agenda Items for Council Discussion.
9 It is the intention of the City Council that Study Sessions shall be televised on the City's public access
channel if reasonably possible.
Page 25 Page 708 of 769
5. Ordinances.
6. Special Focus Area (the Chair of the Special Focus Area scheduled
for the Study Session shall preside over this portion of the study
session.). The Vice Chair shall preside over this portion of the study
session in the Chair's absence.
7. Adjournment.
16.2 The Mayor, the Deputy Mayor or a majority of the City Council may establish ad
hoc committees as may be appropriate to consider special matters that require
special approach or emphasis.
16.3 Ad hoc committees may be established and matters referred to them at study
sessions, without the requirement that such establishment or referral take place at
a regular City Council meeting.
16.4 The Deputy Mayor shall appoint Councilmembers to Council ad hoc committees,
provided that the Mayor shall appoint members to Council ad hoc committees if
the Deputy Mayor is disabled or precluded from acting in that capacity.
16.5 The Mayor shall appoint Council representatives to intergovernmental councils,
boards and committees.
16.6 Councilmember appointments to intergovernmental councils, boards and
committees, including ad hoc committees, shall be periodically reviewed. All
councilmembers shall have the opportunity to serve on such councils, boards,
and/or committees as assigned by the Mayor and on a rotating basis at the
discretion of the Mayor. Councilmember appointments to intergovernmental
councils, boards, and committees by the Mayor shall be done with consideration
of a councilmember's expertise, background, knowledge, working experience
and/or education in that council, board, or committee. Ad hoc committee
appointment by the Mayor or Deputy Mayor shall be at their discretion.
16.7 Ad hoc council committees shall consider all matters referred to them. The chair
of such ad hoc committee shall report to the City Council the findings of the
committee. Committees may refer items to the Council with a committee
recommendation or with no committee recommendation.
16.8 Advisory Boards, Committees and Commissions established by ordinance,
consisting of citizens appointed pursuant to the establishing Ordinance and serving
in the capacity and for the purposes indicated in the Ordinance, shall act as an
advisory committee to the City Council.
16.9 Committee Chairpersons shall have broad discretion in conducting their meetings.
They will generally follow Roberts Rules of Order, Newly Revised.
Page 26 Page 709 of 769
16.10 Unless otherwise expressly provided for when forming an ad hoc committee, it is
the intention of the City Council that ad hoc committees function informally and not
in any way that takes action in lieu of or on behalf of the full City Council. The
purpose and function of such ad hoc committees shall be to review matters in
advance of their consideration by the full City Council, and perhaps record and
make recommendations to the full City Council. They are not "committees of a
governing body" subject to the requirements of the Open Public Meetings Act
(Chapter 42.30. RCW). Ad hoc committees shall not receive public testimony or
allow audience participation in connection with or related to the agenda item being
discussed by the Committee.
16.11 Committee Chairpersons shall approve all agenda items and may, at their
discretion, remove or add agenda items during the course of the meeting.
SECTION 17
COUNCIL REPRESENTATION
AND INTERNAL COMMUNICATION
17.1 If a Councilmember meets with, attends a meeting or otherwise appears before
individuals, another governmental agency, a community organization, or a private
entity or organization, including individuals, agencies, or organizations with whom
or with which the City has a business relationship, and makes statements directly
or through the media, commenting on an issue that does or could affect the City,
the Councilmember shall state the majority position of the City Council, if known,
on that issue. Personal opinions and comments which differ from those of the
Council majority may be expressed if the Councilmember clarifies that these
statements do not represent the City Council's position, and the statements are
those of the Councilmember as an individual. Additionally, before a
Councilmember discusses anything that does or could relate to City liability, the
Councilmember should talk to the City Attorney or the City's Risk Manager, so that
the Councilmember would have a better understanding of what may be said or
how the discussion should go to control or minimize the City's liability risk and
exposure.
17.2 Councilmembers need to have other Councilmember's concurrence before
representing another Councilmember's view or position with the media, another
government agency or community organization.
17.3 Councilmembers shall not knowingly communicate with an opposing party or with
an opposing attorney in connection with any pending or threatened litigation in
which the City is a party or in connection with any disputed claim involving the City
without the prior approval of the City Attorney, unless the Councilmember is
individually a party to the litigation or is involved in the disputed claim separate
from the Councilmember's role as a City official.
Page 27 Page 710 of 769
17.4 Communication among Councilmembers shall conform to the following
parameters:
A. Except in connection with Council members meeting, informally, in
committees not subject to the Open Public Meetings Act, to assure that
communication on agenda items occurs to the greatest extent possible at
the public meetings, and to avoid even the perception that email is being
used in a way that could constitute a public meeting, e.g., successive
communications on City Council topics that involve a quorum of the
Councilmembers. Councilmembers should refrain from emailing
Councilmembers about such agenda items. Councilmembers should be
prepared to communicate about matters that are on upcoming Council
agendas at the public meetings. If Councilmembers wish to share
information with other councilmembers about matters that are on upcoming
agendas, the councilmembers should forward that information to the Mayor
for distribution in the council meeting packets.
B. Councilmembers may communicate via email to other Councilmembers,
including to a quorum of the full City Council about matters within the scope
of the City Council's authority or related to City business, but not yet
scheduled on upcoming Council agendas, to indicate a desire that certain
items be included on upcoming meeting agendas; provided that
Councilmembers shall never ask for responses from the other
Councilmembers in that communication.
C. Email communication among Councilmembers relating to City operations
should also include the Mayor as a recipient/addressee.
D. Councilmembers may email the Mayor about City business without
limitations or restrictions.
E. The Deputy Mayor from time to time may need to communicate with all
councilmembers on various items such as the annual review of the Rules
of Procedure. All such correspondence, usually in the form of email, shall
be provided to council as a whole through the Council
Assistant. Any responses from council shall also be directed to the Council
Assistant who shall then provide all councilmembers with email
correspondence regarding questions, comments, suggestions,
recommendations, or any similar item.
F. City Council email correspondence and all electronic communications shall
utilize the designated city email account or city device with no exceptions
and within the parameters of the Open Public Meetings Act and the Public
Records Act.
17.5 Internet & Electronic Resources/Equipment and Facility Use.
Page 28 Page 711 of 769
A. Policy. It is the policy of the City Council that Internet and electronic
resources equipment use shall conform to and be consistent with the
requirements of City of Auburn Administrative Policy and Procedure 500-
03, "Internet & Electronic Resources/Equipment Use — Elected Officials."
All letters, memoranda, and interactive computer communication involving
City Councilmembers and members of advisory boards and commissions,
the subject of which relates to the conduct of government or the
performance of any governmental function, are public records.
B. Communications. Each Councilmember is responsible for checking their
communication device multiple times on a daily basis and respond to
requests by City staff as soon as possible.
C. Electronic Communications.
For emergency notifications of absences, and not planned absences,
Councilmembers shall send an email to
CouncilAlerts@auburnwa,gov to ensure the auto -distribution of
communications to necessary people.
2. Messages that relate to the functional responsibility of the recipient or
sender as a public official constitute a public record. Those records
are subject to public inspection and copying.
3. Electronic communications that are intended to be shared among a
quorum of the City Council or of an ad hoc Council Committee,
whether concurrently or serially, must be considered in light of the
Open Public Meetings Act, if applicable. If the intended purpose of the
electronic communication is to have a discussion that should be held
at an open meeting, the electronic discussion shall not occur. Further,
the use of electronic communication to form a collective decision of
the Council shall not occur.
4. Electronic communication should be used cautiously when seeking
legal advice or to discuss matters of pending litigation or other
confidential City business. In general, electronic communication is
discoverable in litigation, and even deleted electronic communication
is not necessarily removed from the system. Confidential electronic
communications should not be shared with individuals other than the
intended recipients, or the attorney -client privilege protecting the
document from disclosure may be waived.
5. Electronic communication between Councilmembers and between
Councilmembers and staff shall not be transmitted to the public or
Page 29 Page 712 of 769
news media without the filing of a public disclosure request with the
City Clerk.
6. Even if a Councilmember uses their personal electronic devices all
electronic communications and documents related to City business
will be subject to discovery demands and public disclosure requests.
D. Use of City Equipment and Facilities.
City Councilmembers are provided various tools to assist them in
handling the business of the City in the role as members of the City
Council. These tools include, but are not limited to: (1) an individual
office assigned to each Councilmember in which there is (a) office
furniture; (b) a computer accommodating access to the City's
computer network and (c) a telephone tied to the City's telephone
system; (2) and I -Pad or comparable equipment also tied to the City's
computer system that can be used remotely (not just in the
Councilmember's office); (3) , an I -Phone or comparable equipment
accommodating mobile communication needs for (a) telephone calls,
(b) emails, and (c) texting; (4) a City badge accommodating physical
access to City Hall facilities and Council Offices; and (5) Council
mailboxes.
2. In order to assure transmittal of information necessary to conduct
business of the City and to avoid Public Records Act liability for the
City and Councilmembers for improper or private equipment use,
Councilmembers shall use the tools identified above to assist them
in being able to receive and work with information related to duties
as councilmembers.
17.6 Council Relations with City Boards and Commissions.
A. Council Liaisons. In addition to where a City Councilmember is appointed
by the City Council or the Mayor to serve as a member of a board,
commission, committee, task force or any other advisory body, the City
Council may, on limited occasions or under unusual circumstances, appoint
a Councilmember to serve as a non-member Liaison to a board,
commission, committee, task force or any other advisory body. Anytime a
Councilmember is appointed as such a Liaison, the position or role of
Liaison is subordinate to that of Councilmember, and the Councilmember's
responsibility is first and foremost to the City and to the City Council. The
role and responsibility of the Councilmember-Liaison is to keep the City
Council apprised of the activities, positions and actions of the entity or
organization to which the Councilmember has been appointed Liaison, and
not to communicate to the board, commission, committee, task force or
other advisory body a statement as the position of the City Council, except
as authorized or directed by the City Council. Insofar as a Council Liaison
Page 30 Page 713 of 769
position does not give all councilmembers equal access to the activities,
functions and information of or about a board, commission, committee, task
force or any other advisory body, appointments to Council Liaison positions
should be reserved to those instances where a Report to the Council by the
board, commission, committee, task force or any other advisory body would
not be convenient or practical.
B. Reports to the Council. Each board, commission, committee, task force
or any other advisory body of the City shall be requested to present a report
to the City Council at a Regular Meeting or a Study Session of the City
Council, as scheduled by the Mayor or Deputy Mayor. Such reports shall be
scheduled for a Regular Council Meeting or a Council Study Session, and
shall be delivered by the chair of the board, commission, committee, task
force or any other advisory body or designee. The reports shall inform the
City Council of the activities, functions and information with which the board,
commission, committee, task force or any other advisory body has been
involved since the previous report, and shall include the opportunity for
questions by Councilmembers.
17.7 Whenever a member of the City Council attends any meeting of any other entity or
organization, he or she should endeavor to be prudent in what he or she says or
does at such meeting. Further, the Councilmember should avoid attending such
meeting if that attendance would impose an interference with the meeting or the
operations of the other entity or organization, or of the operations of the City.
SECTION 18
TRAVEL AUTHORIZATION
18.1 Value of Council Travel. The Auburn City Council recognizes the need of its
members to attend conferences, trainings, and meetings to broaden their
knowledge of and familiarity with a diverse collection of City -related issues,
including, but not limited to Public Works, Communications, Transportation,
Economic Development, Public Safety and Energy. These conferences also
provide valuable opportunities to network with other city elected officials.
Comparing Auburn's specific issues with those of other cities often provides the
City Council with established policies already in place in other cities that can be
adapted to meet the specific needs of the City of Auburn, as well as expediently
and efficiently acquainting Auburn City Councilmembers with ideas of how to
address Auburn issues and solve Auburn problems.
18.2 Annual Budget Amounts for Council Travel. To accommodate Council travel,
the Auburn City Council shall allocate an identified amount of money each year in
the City budget process to each Councilmember for City -related travel costs,
including transportation, lodging, meals and registration costs.
Page 31 Page 714 of 769
18.3 Adjustment of Council Travel Allocations. If a councilmember needs more than
the amount of travel related funds allocated for their use, the councilmember shall
(1) see if there are unused funds available from any other councilmember(s) who
are willing to transfer funds from their account to the councilmember needing
additional travel funds. If so, with the consent of the Deputy Mayor and the other
transferring councilmember(s), funds will be transferred to the requesting
councilmember(s allotment; or (2) shall request a net adjustment to the budget
adding additional funds to their allotment, which adjustment shall be approved by
a majority of the whole City Council.
18.4 Receipts and Travel Documentation. Each City Councilmember shall be
responsible for providing to the Mayor or Finance Director, within ten (10) business
days of returning from City travel, any and all City travel related receipts and
documentation. Quarterly reports of the travel costs incurred by each
councilmember shall be provided by the Finance Department.
SECTION 19
CONFIDENTIALITY
19.1 Councilmembers shall keep confidential all written materials and verbal
information provided to them during Executive or Closed Sessions and as provided
in RCW 42.23.070, to ensure that the City's position is not compromised.
Confidentiality also includes information provided to Councilmembers outside of
Executive Sessions when the information is considered by the exempt from
disclosure under exemptions set forth in the Revised Code of Washington.
SECTION 20
ENFORCEMENT OF RULES OF PROCEDURE
20.1 Councilmembers shall conform their conduct to the requirements, standards and
expectations set forth in these Rules of Procedure. In addition to and
notwithstanding whatever other enforcement mechanisms may exist for legal,
ethical or practical obligations on Councilmember performance or conduct,
violations of these Rules of Procedure by Councilmembers may be enforced by
action of the City Council through sanctions such as votes of censure or letters of
reprimand, and such other action as may be permitted by law.
Page 32 Page 715 of 769
City Council Rules of Procedure.-
Adopted- February 2, 2004
Ordinance No. 5802
Amended by Resolution No. 4282, December 17, 2007
Amended by Resolution No. 4429, December 15, 2008
Amended by Resolution No. 4467, April 6, 2009
Amended by Resolution No. 4615, July 6, 2010
Amended by Resolution No. 4686, February 22, 2011
Amended by Resolution No. 4740, August 15, 2011
Amended by Resolution No. 4813, May 21, 2012
Amended by Resolution No 4909, February 19, 2013
Amended by Resolution No. 5105, November 3, 2014
Amended by Resolution No. 5112, December 1, 2014
Amended by Resolution No. 5115, December 15, 2014
Amended by Resolution No. 5217, May 2, 2016
Amended by Resolution No. 5240, July 5, 2016
Amended by Resolution No. 5283, February 21, 2017
Amended by Resolution No. 5308, August 7, 2017
Amended by Resolution No. 5367, May 7, 2018
Amended by Resolution No. 5399, December 17, 2019
Amended by Resolution No. 5469, November 4, 2019
Amended by Resolution No. 5543, September 8, 2020
Amended by Resolution No. 5676, September 19, 2022
Amended by Resolution No. 5721, June 5, 2023
Amended by Resolution No 5735, September 5, 2023
Page 33 Page 716 of 769
Chapter 10
Leaving Office
10.01 Return of Materials and Equipment
During their service on the City Council, members may have acquired or been provided
with equipment such as computers or other items entailing a significant expense, as well as copies
of the Bothell Municipal Code, Imagine Bothell..., Comprehensive Plan, mailbox key, etc. These
items are to be returned to the City at the conclusion of a member's term.
10.02 Filling Council Vacancies
A. Purpose
The purpose of this section is to provide guidance to the City Council when a Bothell
Councilmember position becomes vacant before the expiration of the official's elected term of
office. Pursuant to state law, a vacancy shall be filled only until the next regular municipal election,
to serve the remainder of the unexpired term.
B. References
RCW 42.30.110 (Hl — Executive Session Allowed to Consider Qualifications of a
Candidate for Appointment to Elective office.
RCW 42.30.060 — Prohibition on Secret Ballots.
RCW 42.12 — Vacant Position.
RCW 35A.13.020 —Vacancies — Filling of Vacancies in Council/Manager Form of
Government.
C. Appointment Process
(1) A Council position shall be officially declared vacant upon the occurrence of any
of the causes of vacancy set forth in RCW 42.12.010, including resignation, recall,
forfeiture, written intent to resign, or death of a Councilmember. The Councilmember who
is vacating their position cannot participate in the appointment process.
(2) The City Council shall direct staff to begin the Councilmember appointment
process and establish an interview and appointment schedule, so that the position is filled
at the earliest opportunity.
Page 42 ofte 717 Of 769
(3) The City Clerk's Office shall prepare and submit a display advertisement to the
City's official newspaper, with courtesy copies to all other local media outlets, which
announces the vacancy consistent with the requirements necessary to hold public office:
that the applicant (a) be a registered voter of the City of Bothell, and (b) have a one (1) year
residency in the City of Bothell. This display advertisement shall be published once each
week for two (2) consecutive weeks. This display advertisement shall contain other
information, including but not limited to, time to be served in the vacant position, election
information, salary information, Councilmember powers and duties, the deadline date and
time for submitting applications, interview and appointment schedules, and such other
information that the City Council deems appropriate.
(4) The City Clerk's Office shall prepare an application form which requests
appropriate information for City Council consideration of the applicants. Applications will
be available at City of Bothell offices and on the City's official website. Copies of the
display advertisement will be provided to current members of the City of Bothell
commissions, committees, task forces and other City -sponsored community groups.
(5) Applications received by the deadline date and time will be copied and circulated,
by the City Clerk's Office, to the Mayor and City Council. Packets may also contain
additional information received such as endorsements, letters of reference and other
pertinent materials.
(6) The City Clerk's Office shall publish the required public notice(s) for the meeting
scheduled for interviewing applicants for consideration to the vacant position. This meeting
may be a regularly scheduled City Council meeting, or a special City Council meeting.
() The City Clerk's Office shall notify applicants of the location, date and time of City
Council interviews.
(8) Prior to the date and time of the interview meeting, the Mayor shall accept one
interview question from each Councilmember.
D. Interview Meeting
Each interview of an applicant/candidate shall be no more than 30 minutes in length as
follows:
(1) The applicant shall present their credentials to the City Council. (5 minutes)
(2) The City Council shall ask the predetermined set of questions which must be
responded to by the applicant. Each applicant will be asked and will answer the same set
of questions, and will have 2 minutes to answer each question. (14 minutes)
Page 43 oNge 718 Of 769
(3) An informal question and answer period in which Councilmembers may ask and
receive answers to miscellaneous questions. (10 minutes)
(4) The applicants' order of appearance will be determined by a random lot drawing
performed by the City Clerk.
(5) The Council may reduce the 30-minute interview time if the number of applicants
exceeds six (6) candidates, or alternatively, the Council may elect not to interview all of
the applicants if the number exceeds six (6) candidates. The decision as to which applicants
to interview will be based on the information contained in the application forms.
E. Votiniz
Upon completion of the interviews, Councilmembers may convene into Executive Session
to discuss the qualifications of the applicants. However, all interviews, deliberations,
nominations and votes taken by the Council shall be in open public session.
(1) The Mayor shall ask for nominations from the Councilmembers for the purpose of
creating a group of candidates to consider. No second is needed.
(2) Nominations are closed by a motion, second and majority vote of the Council.
(3) Councilmembers may deliberate on such matters as criteria for selection and the
nominated group of candidates.
(4) The Mayor shall poll Councilmembers to ascertain that Councilmembers are
prepared to vote.
(5) The City Clerk shall proceed with a roll -call vote.
(6) Elections will continue until a nominee receives a majority vote of the remaining
Councilmembers.
(7) At any time during the election process, the City Council may postpone elections
until a date certain or regular meeting if a majority vote has not been received.
(8) Nothing in this policy shall prevent the City Council from reconvening into
Executive Session to further discuss the applicant/candidate qualifications.
(9) The Mayor shall declare the nominee receiving the majority vote as the new
Councilmember and shall be sworn into office by the City Clerk at the earliest opportunity
or no later than the next regularly scheduled City Council meeting.
(10) If the City Council does not appoint a qualified person to fill the vacancy within 90
days of the declared vacancy, pursuant to RCW 42.12.070(4), the county in which all or
the largest geographic portion of the city is located shall appoint a qualified person to fill
the vacancy.
Page 44 oNge 719 of 769
2.08 Council Attendance
At the beginning of each Council Meeting, the Mayor will excuse any Councilmember who has
contacted the Mayor or City Manager's office prior to the meeting to notify them of their
absence.
"Excused" is when the Mayor, Presiding Officer, City Manager's office, or staff liaison (for
advisory boards), receives notification of an absence prior to a meeting.
"Unexcused or absent" is when the Mayor, Presiding Officer, City Manager's office, or staff
liaison (for advisory boards), does not receive notification of an absence prior to a meeting.
A council position becomes vacant if a Councilmember is unexcused or absent for three
consecutive Regular meetings of the Council.
RCW 35A.12.060 as now or hereafter amended).
2.09 Council Vacancy
A Council position is officially declared vacant upon the resignation, recall, forfeiture of
position, or death of a Councilmember. The remaining members of the governing body shall
appoint a qualified person to fill the vacant position (RCW 35A.13.020).
Resignation Process
Council must receive a written notice with an effective date of resignation. The resignation is
effective as of the date provided in the written notice. Council accepts the resignation by a
motion and vote.
Appointment Process
The City Manager's office coordinates the recruitment process.
1. The City Manager's office issues an advertisement to the local paper and other media
outlets for a 2-3-week period. The announcement includes the requirements necessary
to hold office, time to be served in the vacant position, election information, salary
information, Council duties, and the deadline date and time for submitting applications
(RCW 35A.13.020).
2. The City Manager prepares an application form that requests appropriate information
for Council consideration of the applicants. Applications will be available at City Hall,
and posted on the website.
3. Applications received by the deadline are copied and distributed to the Council.
Packets may contain additional information, such as resumes and references.
4. Prior to interviews, the Mayor requests and accepts suggested interview questions
from each Councilmember.
Lacey City Council Policies -Procedures Manual I Updated 12.07.2023 1 Page 20 of 105
Page 720 of 769
5. The Clerk's office publishes the required public notice for the meeting scheduled for
interviewing applicants for consideration for the vacant position.
6. The Clerk's office notifies applicants of the location, date and time of the Council
interviews.
Interview Requirements
• Interviews with candidates must be held in an open public meeting.
• The applicants' order of appearance will be determined by the date and time when the
application was received.
• The decision as to which applicants to interview will be determined by the Council
based on the information contained in the application form.
• The Council will ask the predetermined set of questions which must be responded to
by the applicant. Each applicant will be asked and answer the same set of questions.
Follow-up questions, based upon responses, are permitted.
• An informal question and answer period in which Councilmembers ask and receive
answers to miscellaneous questions may be set aside for 10 minutes upon approval
of a majority of Councilmembers.
Voting
1. Upon completion of the interviews, the Council may convene into Executive Session
to discuss the qualifications of the applicants. However, all interviews, deliberations,
nominations, and votes taken by Council must be in open public session. The Council
may not determine who to select or reach a consensus on a preferred candidate in
Executive Session.
2. The Mayor asks for nominations from Councilmembers for the purpose of creating a
group of candidates to be considered. No second is needed.
3. Nominations are closed by a motion, second, and majority vote of Council.
4. Councilmembers may deliberate on matters such as criteria for selection and the
nominated group of candidates.
5. The Mayor polls the Councilmembers to ascertain if they are prepared to vote. Voting
must take place in a manner in which the public is notified as to the vote of each
existing Councilmember for which candidate. If there is more than one candidate, a
vote must be taken for each candidate to record each Councilmember's vote.
6. The City Clerk records the votes in the meeting minutes.
7. The selection of a candidate to fill the vacancy is made by a majority vote of the
remaining six members of the Council.
Lacey City Council Policies -Procedures Manual I Updated 12.07.2023 1 Page 21 of 105
Page 721 of 769
8. If a majority vote is not received for a candidate, the Council may postpone elections
until another date.
9. The Mayor declares the nominee receiving the majority vote as the new
Councilmember to be sworn in immediately after the effective date of the resignation.
10. The term of the candidate selected to fill the vacancy will be in effect until a person is
elected at the next regular election for municipal officers. The interim term would then
end, and the new term begin upon certification of election results.
11. If the Council does not appoint a qualified person to fill the vacancy within 90 days of
the occurrence of the vacancy, the County Commissioners will appoint a person to fill
the vacancy (RCW 42.12.070).
2.10 New Councilmember Orientation
Newly -elected Councilmembers are an integral part of the City team. The City Manager's office
coordinates an orientation process, schedules interviews with the City Manager and
Department Directors, and provides opportunities for tours of City facilities and infrastructure.
The City Manager's office also coordinates Open Government Trainings, as required by state
law (RCW 42.56.150). Councilmembers are encouraged to attend the Association of
Washington Cities (AWC) annual new member orientation. The Mayor and existing
Councilmembers welcome and mentor new members, share perspectives and insights, and
discuss priorities, procedures, and protocols.
2.11 Appointment and Role of City Manager
The City Manager is the chief administrative officer of the City, appointed by and accountable
to the Council.
The City Manager is responsible for the effective administration and management of the City
and the efficient delivery of all City services. The City Manager appoints and supervises all
Department Directors. The City Manager is responsible for all hiring and employment
decisions, the approval of all operating rules and procedures, ensuring quality performance,
proper financial management of City funds, and carrying out the policy directives of the
Council.
The City Manager prepares the annual budget for Council approval, assists in the identification
of community priorities, and facilitates public involvement and participation in key areas of
policy development and service delivery. The City Manager proposes policy recommendations
to the Council, advises on matters of community interest, and supplies facts and information
as appropriate to provide the Council with a comprehensive basis for making decisions and
establishing annual goals and priorities for the City. The City Manager also attends and
represents the City on various intergovernmental committees
(RCW 35.A.13.080).
The Council evaluates the City Manager's performance on an annual basis, generally in the
first quarter of the calendar year, to ensure that both the Council and the City Manager are in
agreement about performance and goals based upon mutual trust and common objectives.
Lacey City Council Policies -Procedures Manual I Updated 12.07.2023 1 Page 22 of 105
Page 722 of 769
CITY OF
an(ouver
WASHINGTON
POLICY AND PROCEDURE
CITY OF VANCOUVER
INDEX
WASHINGTON
Administrative/Co ncil/City Manager
Subject
Number
REV.
Effective Date
Page 1 of 6
100-38
D
12/13/21
Supersedes
Prepared by:
Approved by:
Filling City Council Vacancies
9/24/18[City
Manager]
[Mayor]
1.0 Purpose
The purpose of this policy is to provide guidance to City Council when a Vancouver
Councilmember position becomes vacant before the expiration of the official's elected term
of office. Pursuant to state law, a vacancy shall be filled only to serve the remainder of the
unexpired term until the next regular election.
2.0 Organizations Affected
City Council/City Manager
3.0 References
Vancouver City Charter — Sections 2.01 Terms; 2.02 Qualifications; 2.06 Vacancies
Defined; 2.08 Vacancies in Council
RCW 29A.60.270 Beginning of terms; RCW 29A.60.280 Term of office; 42.30.110(h) —
Executive Session Allowed to Consider Qualifications of a Candidate for Appointment of
Elective Office; RCW 42.30.060 — Prohibitions on Secret Ballots; RCW 42.12 — Vacant
Position
City Council Resolution M-3274, January 3, 2000
City Council Resolution, M-3730, January 3, 2011
City Council Resolution M-3980, September 24, 2018
City Council Resolution M-4157, December 13, 2021
4.0 Notification Process
A Council position shall be officially declared vacant upon the occurrence of any of the
causes of vacancy set forth in City of Vancouver Charter, Section 2.06, including
resignation, recall, forfeiture, written intent to resign, or death of a Councilmember. The
Page 723 of 769
Councilmember who is vacating their position cannot participate in the appointment
process.
Vacancies in the City Council shall be filled by a majority vote of the remaining members
of the City Council. Such appointee shall hold office only until the next regular general
election, at which time the appointee may run to serve the remainder of the unexpired term.
City Council shall direct staff to begin the Councilmember appointment process and
establish an interview and appointment schedule so that the position is filled at the earliest
opportunity. In the case of a councilmember submitting an intent to resign, the application
process may commence prior to the effective date of the resignation. The overall length of
the process timeline should allow for the expedient conclusion of the appointment process,
but also sufficient time for Council evaluation of candidates. The City Manager's Office
will propose an appointment schedule to the Council prior to advertisement of the vacancy.
The City Manager's Office shall prepare and submit a display advertisement to The
Columbian, Oregonian and Daily Insider, posted on the City's website and social media
site, distributed via the City's internal and external newsletter services (Currents, Emma,
Office of Neighborhoods, etc), and distributed to all current members of Vancouver
advisory boards, commissions, committees, and task forces (per Council policy 100-06)
via email to the staff of those bodies with copies to other local media outlets, which
announces the vacancy consistent with the requirements necessary to hold public office:
that the applicant be a qualified elector' and hold no other public office; and have no
employment under the city government.
This display advertisement shall be published once each week for two consecutive weeks.
This display advertisement shall contain other information, including, but not limited to:;
time to be served in the vacant position; election information, including qualifications of
an elected official; salary information; Councilmember powers and duties; complete list of
materials required to apply for appointment; the deadline date and time for submitting
applications; interview and appointment schedules; and such other information that the
City Council deems appropriate.
5.0 Application Process
5.1 The Application
The City Manager's Office shall prepare an application form which requests appropriate
information for City Council consideration of the applicants. The application form will
request the following information from the applicant:
• Pertinent contact information
• Confirmation the applicant is a qualified elector'
' To be a "qualified elector" a person must be at least 18; a citizen of the United States; have lived in the city for at
least 30 days prior to the election at which they offer to vote; have not been convicted of a felony unless their civil
rights have been restored. Washington State Constitution Article VI, Section
100-38 Filling Council Vacancies 2
Page 724 of 769
Answers to the following:
1. Is there anything in your background that would attract heightened public
scrutiny if undisclosed and later discovered?
2. Please give a brief summary of your background and experience, including
education, work history and civic engagement activities.
3. Why are you seeking appointment to the City Council? What do you feel your
qualifications are for the position?
Applications will be available at City of Vancouver offices, on the City's website and such
other locations that the City Council deems appropriate.
5.2 Supplemental Materials
In addition to the application form, the applicants will also be required to provide a
completed Washington State PDC form F-1 and a current resume. The F-1 form must be
provided directly to the City Manager's Office. It should not be submitted on the
Washington PDC website.
In addition to the required supplemental materials, candidates may also submit additional
supportive information, such as a list of endorsements, up to three (3) letters of reference,
and other pertinent materials. Endorsements and letters of reference should include contact
information for the person(s) supporting the candidate.
5.3 Conclusion of Application Period
The application period shall be open for at least two weeks and no more than 30 days
following the announcement of the vacancy and details of the appointment process. The
length of the application period will be included in the proposed appointment schedule, as
set forth in section 4.0.
Applications received by the deadline date and time will be copied and circulated by the
City Manager's Office to the Mayor and City Council within one (1) business day
following the deadline. Candidates who submit completed application packets by the
deadline will be required to also submit information necessary for the City to conduct a
criminal background check, the results of which will be provided to the City Council.
All completed candidate application packets will be posted on the City's website following
the application deadline and delivery of the packets to the City Council. Applicant
materials will be redacted for non-disclosable information prior to being made public.
6.0 Council Evaluation of Candidates
100-38 Filling Council Vacancies 3
Page 725 of 769
City Councilmembers, individually, will conduct an initial review of all completed
applications.
Council will meet in executive session at the next Council meeting to discuss applicant
qualifications. It is permissible to meet in executive session to "evaluate the qualifications
of a candidate for appointment to elective office."2 The City Manager's Office will provide
Council with the results of the candidate criminal background checks during this executive
session.
In the event the City receives more than 10 completed applications, each City
Councilmember will submit to the Council Assistant an unranked list of names of the
candidates the Councilmember wishes to move forward in the process. Each
Councilmember's list should contain no more than 15 names. The Council Assistant shall
aggregate all Councilmember lists into one unranked master list of the 10-15 candidates
most commonly selected among the individual lists provided. The list shall be arranged in
alphabetical order and shall only include the names of the candidates. This aggregated list
shall be provided to the Council during the executive session held prior to the interview
meeting.
Immediately following executive session, Council shall meet in public session to select
which candidates to invite to participate in an interview at the next City Council meeting.
The decision as to which applicants to interview will be based on the information contained
in the application forms and Council's evaluation of the qualifications of the candidates.
The decision as to which candidates will be interviewed will be at the sole discretion of the
City Council.
The City Manager's Office shall notify applicants selected for interview of the location,
date and time and format (per Section 7.0) of City Council interviews. In the event Council
does not select all applicants to move forward to the interview, staff in the City Manager's
Office will notify those candidates not selected of their status. Information about the
interview meeting and those applicants selected for an interview will be announced to the
public via a news release and posted on the City's website after all applicants have been
contacted.
Prior to the date and time of the interview meeting, each Councilmember shall submit one
interview question and one back-up question to the Mayor and Council Assistant. If two or
more Councilmembers submit the same primary question, the Mayor shall choose whose
to accept, and the back-up question(s) from the other Councilmember(s) will be used. The
final list of questions will be provided to all of Council prior to the interview meeting. Each
Councilmember will ask their question during the interviews.
7.0 Interview Meeting
1 xcw 42.30.110(l )(h).
100-38 Filling Council Vacancies 4
Page 726 of 769
An interview meeting shall be scheduled for a regularly scheduled Council meeting. The
meeting will be open to the public and broadcast and live streamed by CVTV.
At the opening of the interview meeting, the Mayor shall provide an overview of the format
and ground rules for the meeting. The applicant's order of appearance also shall be
determined at this time by a random lot drawing performed by the Council Assistant.
In order to ensure each candidate has a fair and equal opportunity to speak with Council,
all candidates shall be sequestered at City Hall for the duration of all candidate interviews.
Access to electronic devices shall be prohibited during sequestration. Candidates will be
ushered to and from the City Council Chambers by a member of City staff in order to
participate in their interview at the pre -determined time. Candidates will be released from
sequestration upon conclusion of the final interview and may observe the remainder of the
public portion of the Council meeting.
Each candidate interview shall be no more than 30 minutes in length. The Council may
reduce the 30-minute interview time if the number of applicants exceeds six candidates.
Each interview shall follow the following format:
• The applicant shall present their credentials to the City Council (up to 10 minutes).
• The City Council shall ask the predetermined set of questions, one question per
Councilmember, which must be responded to by the applicant. Each applicant will be
asked and will answer the same set of questions and will have two (2) minutes to answer
each question (up to 14 minutes)
• An informal question -and -answer period during which Councilmembers may ask and
receive answers to miscellaneous or follow-up questions (remainder of time).
8.0 Voting
Upon completion of the interviews, Councilmembers may convene into Executive Session
to further evaluate the qualifications of the candidates; however, all interviews,
nominations and votes taken by the Council shall be in open public session.
Balloting will continue until a nominee receives a majority of votes.
At any time during the balloting process, the City Council may postpone balloting until a
date certain or regular meeting if a majority vote has not been received.
Nothing in this policy shall prevent the City Council from reconvening into Executive
Session to further discuss the candidate qualifications.
The Mayor shall declare the nominee receiving the majority vote as the new
Councilmember and he or she shall be sworn into office at the earliest opportunity, or no
later than the next regularly scheduled City Council Meeting.
100-38 Filling Council Vacancies $
Page 727 of 769
100-38 Filling Council Vacancies 6
Page 728 of 769
Councilmember Suggested Edits
for Full Council Consideration
Page 729 of 769
E. The City Clerk shall serve as timekeeper during these hearings.
F. After each proponent and opponent spokesperson have used their
speaking time, Council may ask further questions of the speakers, who shall
be entitled to respond but limit their response to the question asked.
11.2 Public hearings where a general audience is in attendance to present arguments
for or against a public issue:
A. The Department Director or designee shall present the issue to the Council
and respond to questions.
B. A person may speak for three (3) minutes. No one may speak for a second
time until everyone who wishes to speak has had an opportunity to speak.
The Poresiding , )officer may make exceptions to the time restrictions of
persons speaking at a public hearing when warranted, in the discretion of
the '-presiding Oefficer.
C. The City Clerk shall serve as timekeeper during these hearings.
D. After the speaker has used their allotted time, Council may ask questions
of the speaker and the speaker may respond- but may not engage in further
debate.
E. The hearing will then be closed to public participation and open for
discussion among Councilmembers.
F. The P.,residing 0officer may exercise changes in the procedures at a
particular meeting or hearing, but the decision to do so may be overruled by
a majority vote of the Council.
SECTION 12
DEPUTY MAYOR
12.1 Annually or more often as deemed appropriate, the members of the City Council,
by majority vote, shall designate one of their members as Deputy Mayor for a one-
year time period, except as provided in Section 12.1, Paragraphs G and H.
Elections will be held no later than the last Council meeting of the year for
determining the Deputy Mayor for the subsequent year.
A. Any member of the City Council
may be nominated for the position of Deputy Mayor by having that
Councilmember's name placed in nomination by a Councilmember. The
nomination of a councilmember for the position of Deputy Mayor does not
require a second, and a councilmember may nominate him or herself.
This one should be left the way it was. They should serve at least one year because a brand
Page 18 new councilmember does not know everything yet to serve as Deputy yor_"C,,p�e�
Mayor elect should also have both Municipal Certificates from AWC to �ifitl'�{ eir
job.
Nominations for the position of Deputy Mayor shall be made by
members of the City Council on the dates of election for the Deputy
Mayor position.
2. In connection with the selection of Deputy Mayor, f-x ;t
suggested that Ccouncilmembers are expected to approach the
election in an open, transparent: and respectful manner, avoiding
anything that jeopardizes harmony among 4 C ouncilmembers.
B. The Councilmember receiving a majority of the votes cast by the members
of the City Council shall be elected Deputy Mayor. A Councilmember may
vote for themselfhiM OF 119F6elf.
C. The names of all nominees for the position of Deputy Mayor shall be
included in the vote.
D. If no single Councilmember received a majority of the votes cast, a second
vote/ballot between the two nominees who received the largest number of
votes will be held.
E. The Deputy Mayor shall serve at the pleasure of the Council.
F. In the event of a prolonged ##e-absence or unavailability of the Deputy
Mayor, the Council shall vote on which Councilmember shall serve as the
as long as they Interim Deputy Mayor. The Interim Deputy Mayor shall be the
have served one Councilmember who receives a majority vote. That Councilmember the
year as a , shall then
Council Member serve as l+nterim Deputy Mayor until the return of the regular Deputy Mayor.
The Interim Deputy Mayor shall have all the rights, duties, and authority of
the Deputy Mayor under these rules
G. If the designated Deputy Mayor is unable to serve the full term of the
position of Deputy Mayor, the Council shall elect the next Deputy Mayor in
accordance with Section 12 to serve the remainder of the term. If the
appointment is declined the process shall continue until a Deputy Mayor is
designated.
H. In the event that the <louncilmember selected as Deputy Mayor or Interim
Deputy Mayor) is unable to perform the duties of the position of Deputy
Mayor, or fails to act in accordance with the City Council Rules of
Procedure, the City Council may, by a majority vote of the full City Council,
remove the Deputy Mayor (or Interim Deputy Mayor) from this position, in
which case, the Council shall elect the next Deputy Mayor (or Interim
Deputy Mayor) in accordance with Section 12 to serve the remainder of the
term.
Page 19 Page 731 of 769
2. Roll Call.
3. Announcements, Reports, and Presentations.
4. Agenda Items for Council Discussion.
5. Ordinances.
6. Special Focus Area (the Chair of the Special Focus Area scheduled
for the Study Session shall preside over this portion of the Sstudy
Ssession ). The Vice Chair shall preside over this portion of the
Study S,,ession in the Chair's absence.
_
Council members are encouraged to send questions to directors
7. Adjournment. ahead of the meeting so the Director can answer them during their
presentation.
E. Council discussion at Study Sessions of each agenda item shall be managed
by the Presiding Officer through recognition of each Councilmember in turn. After
presentation of an agenda item, the Presiding Officer will ask each Councilmember
whether the member would like to make a statement or ask a question regarding
the agenda item. The Presiding Officer will start with the Councilmember at the
Presiding Officer's right and address each Councilmember in order of seating, as
determined by the Presiding Officer. After all Councilmembers have been
addressed the Presiding Officer will again ask for a statement by each
Councilmember in the same order. Invitation by the Presiding Officer to each
Councilmember to make a statement or ask a question shall be repeated three
times. There shall be a limit of three questions per Councilmember for each round.
Further questions by any Councilmember should be sent via email to the
appropriate Department Director after the meeting, provided the Mayor is included
in that email. Questions posed at Study Session or via follow up email shall be
limited to the matter presented at Study Session.
16.2 Ad Hoc Committees. The Mayor, the Deputy Mayor_ or a majority of the City
Council may establish Aad Hhoc Csommittees as may be appropriate to consider
special matters that require special approach or emphasis.
A. Ad Hhoc Csommittees may be established and matters referred to them at
Sstudy Ssessions, without the requirement that such establishment or referral
take place at a regular City Council i ii1 eeting.
B. The Mayor and the Deputy Mayor shall each appoint a Councilmember to each
Council Ad Hoc Committee. The Deputy Mayor may appoint themselves. The
third Councilmember to be appointed to the Ad Hoc Committee shall be
selected by majority vote of the Council.The Deputy Mayer shall appGiRt
This one should be left as it was written. you have to put trust in your Deputy Mayor to choose
the right people for an Ad Hoc committee. The Mayor should only be involved if the
Page 27 Deputy Mayor is disabled. Page 732 of 769
items be included on upcoming meeting agendas; provided that
Councilmembers shall never ask for responses from the other
Councilmembers in that communication.
C. Email communication among Councilmembers relating to City operations
should also include the Mayor as a recipient/addressee.
D. Councilmembers may email the Mayor about City business without
limitations or restrictions.
E. The Deputy Mayor from time to time may need to communicate with all
Csouncilmembers on various items such as the annual review of the Rules
of Procedure. All such correspondence, usually in the form of email, shall
be provided to Cvouncil as a whole through the Council
Assistant. Any responses from ((,ouncil shall also be directed to the Council
Assistant who shall then provide all I( ouncilmembers with email
correspondence regarding questions, comments, suggestions,
recommendations, or any similar item.
iF __1:A� Council email correspondence and all electronic communications shall
utilize the designated city email account or city device with no exceptions
and within the parameters of the Open Public Meetings Act and the Public
Records Act.
17.5 Councilmembers shall not communicate with staff regarding their own personal
business during times set out to discuss City of Auburn business. Councilmembers
shall not discuss personal business with staff immediately before or after Council
meetings. This should be taken out. this puts division with staff and council and if it is before
a council meeting and after after a council meeting that is not during a council meeting
a
_.... ....................... ..-..._ - --• - - .. .-
..... . .. .. .. . . .. .... .
ITWAH
-. ..
Page 31 Page 733 of 769
17.7 Whenever a member of the City Council attends any meeting of any other entity or
organization, he or she should endeavor to be prudent in what he or she says or
does at such meeting. Further, the Councilmember should avoid attending such
meeting if that attendance would impose an interference with the meeting or the
operations of the other entity or organization, or of the operations of the City.
SECTION 18
TRAVEL AUTHORIZATION
18.1 Value of Council Travel. The Auburn City Council recognizes the need of its
members to attend conferences, trainings, and meetings to broaden their
knowledge of and familiarity with a diverse collection of City -related issues,
including, but not limited to; Public Works, Communications, Transportation,
Economic Development, Public Safety- and Energy. These conferences also
provide valuable opportunities to network with other elected Csity elected officials.
Comparing Auburn's specific issues with those of other cities often provides the
6+ty-Council with established policies already in place in other cities that can be
adapted to meet the specific needs of the City of Auburn, as well as expediently
and efficiently acquainting Auburn City Councilmembers with ideas of how to
address Auburn issues and solve Auburn problems.
18.2 Annual Budget Amounts for Council Travel. To accommodate Council travel,
the Auburn City Council shall allocate an identified amount of money each year in
the City budget process to each Councilmember for City -related travel costs,
including transportation, lodging, meals, and registration costs.
18.3 Adjustment of Council Travel Allocations. If a Cc;ouncilmember needs more
than the amount of travel related funds allocated for their use, the Csouncilmember
shall (1) see if there are unused funds available from any other Csouncilmember(s)
who are willing to transfer funds from their account to the Cc.ouncilmember needing
additional travel funds. If so, with the consent of the Deputy Mayor and the other
transferring Csouncilmember(s), funds will be transferred to the requesting
Cc,ouncilmember's allotment; or (2) shall request a net adjustment to the budget
adding additional funds to their allotment, which adjustment shall be approved by
a majority of the whole Glity,-Council.
18.4 Receipts and Travel Documentation. Each (+f CounciImember shall be
responsible for providing to the Mayor or Finance Director, within ten (10) business
days of returning from City travel, any and all City travel related receipts and
documentation and a written report regarding the authorized travel the
Councilmember attended. All documentation shall also be sent via email to the
CouncilAlertsAauburnwa.gov email address. Quarterly reports of the travel costs
incurred by each GCouncil member shall be provided by the Finance Department.
need clarification on what kind of report needs to be done
Page 34 Page 734 of 769
Recommendations for Rules and Procedures Ad hoc Committee
Submitted by Councilmember Kate Baldwin (8/21/2024)
1) Expand Section 2 Council Meetings
a. Add Section 2.5 for Council Retreats and update numbering in Section 2.
b. This update is intended to provide a framework for Council to build their
legislative plans for the city and provide better advanced planning for
Council, Mayor and staff. It is also intended to ensure that Listening events
are available as a tool for Council to engage with the public.
c. Proposed:
Section 2.5 Council Retreats — The Auburn City Council's retreat should be
held within the first quarter each year as councilmember and staff availability
dictate. 2.5.1 Retreat Agenda/Workplan - The workplan of council retreats may
include but are not limited to: Annual review of previous year's legislative goals,
public input on city goals, discussion of priorities, review of forward year's
schedule for council, setting travel budgets, and discussion of committee
assignments. The agenda may allow time for each Councilmember to present to
the body.
2.5.2. Retreat Outcomes - City staff should also be prepared to present to
council post -retreat department workplans to support legislative goals and
priorities, key metrics to measure progress, and, when applicable, department
budgets for approved workplans and priorities.
2.5.3 Pre/Post-Retreat - The council may choose to conduct a follow-up retreat
later in the year to monitor progress and adjust council goals and priorities as
needed.
The council may choose to conduct a meeting pre -retreat to establish the agenda
and workplan, discuss format, and other logistics as needed.
2.5.4 — Retreat Facilitation - Council retreats may be facilitated by the Deputy
Mayor or interim Deputy Mayor, a member of staff, or a professional meeting
facilitator who is not a member of council or staff.
2.5.5 — Retreat Location — Council retreats will take place within Auburn city
limits.
Section 2.6 Council Listening Sessions —
The City Council will hold community listening sessions. The purpose of these
meetings will be to provide a forum to hear from the community on a variety of
topics. The community listening sessions may be held at various locations
throughout the City. The frequency of these meetings will be determined by the
City Council annually. These sessions will include one or more agenda items of
community interest. The meetings will be chaired by the Mayor and considered
Special meetings of the City Council.
2.6.1 — Rules - The Deputy Mayor and Council will work with the Mayor, City
Attorney and Clerk to ensure Listening Sessions follow OPMA rules.
Page 735 of 769
[FOR REFERENCE]
RCW 35A.12.110 Council Meetings -"The city council and mayor shall meet regularly, at least once a month, at a
place and at such times as may be designated by the city council."
[RE: Council Retreats]
• See Sequim Section 3.13, Page 20 (council-manager)
• See Bonney Lake, Section XXII, Page 33 (code city, council -mayor)
[RE: Listening Sessions/Other Special Meetings]
• See Puyallup, Section 11, Page 9 (council-manager)
• See Issaquah, Section 4.02C, Page 22, "Community Listening Sessions" (code city, mayor -council)
• See Bonney Lake, Article 3, Pages 7-8 (code city, mayor -council)
2) Expand on Section 6.3 Council Training
a. Update to:
i. 6.3 — Council Training — Councilmembers shall participate in training
offered by individuals, agencies, entities, and organization including, but
not limited to, the Association of Washington Cities (AWC), Municipal
Research and Services Center (MRSC), Jurassic Parliament, and the
State of Washington. This includes initial orientation after taking office,
and other required or recommended training.
6.3.1 Resources provided to each Council member shall include: 1) a
current copy of the "Mayor and Councilmember Handbook"
produced by AWC and MRSC, and 2) a current copy of "Mastering
Council Meetings: A Guidebook for Elected Officials and Local
Governments" from Jurassic Parliament.
6.3.2 Required Training shall be completed by each Councilmember
within the first 6 months of joining Council. Council staff will work
with Directors, the Deputy Mayor (or interim Deputy Mayor), and
Councilmembers to ensure required trainings are scheduled and
completed.
6.3.3 Required training will include:
o Elected Officials Essentials Workshop from AWC
o NeoGov Training as assigned by Auburn's HR Department
o An overview of each Department presented by the
respective department's Director and/or that Director's
delegate
o A review of Council process for submitting New Business
provided by the Deputy Mayor or interim Deputy Mayor
o A review on the process for submitting materials for the
Council packet provided by the City Clerk
o City of Auburn Facility Tours
Page 736 of 769
■ City Hall
o White River Valley Museum New Hire Tour
6.3.3.1 Progress against required training shall be tracked by
the Deputy Mayor, or interim Deputy Mayor, and
reviewed during 1-on-1 meetings with the individual
Council members.
6.3.4 Recommended Training is encouraged to be completed within the
first year of office. Council staff will work with city Directors and
community partners to schedule the following as requested by
individual Councilmembers.
o City of Auburn Facility Tours
■ Maintenance and Operations Buildings
■ Airport
o Auburn Police Department Ride Along
o Partner Facility Tours
■ Auburn Resource Center
• Municipal Court
• Community Court
• SCORE Jail
[FOR REFERENCE] The following references provide samples from other Washington cities that include more
detailed training guidance within their Rules and Procedures documents.
• See Sequim, Section 3.8, Page 17 (council manager)
• See Issaquah, Section 3.04, Page 15-16 "Councilmember Training" (code city, city -mayor) Covers
Orientation, Open Government Training, and General Training requirements.
• See Tukwila, Section 9, Page 16-17, "Joining the City Council" (code city, city -mayor). Covers required
orientation, trainings, and readings.
3) Add a new Section 19 "Community Commitments"
a. Add a Section to incorporate the short version of the REDI Coalition Vision
Statement and to provide a sample set of questions to guide existing and future
council members on the types of questions appropriate for supporting the REDI
initiative.
b. Add:
Section 19.1 REDI Commitment The Auburn City Council acknowledges our role
as city leaders to champion a community that fosters a Racially Equitable,
Diverse, and Inclusive (REDI) culture.
With this duty, we...
• Invest in trust- and solidarity -building
• Unite for co -liberation
• Emphasize intersectionality, starting with race
• Acknowledge what we don't know and take action to learn anew
• Have courage in the face of resistance
Page 737 of 769
• Equitably use staff and community input to repair past harm and direct
future REDI work
• Hold ourselves responsible for and accountable to investing in and
modeling a REDI culture.
Section 19.2 Equity Lens Framework Members of the Council serve as elected
representatives tasked with the responsibility to ensure that the long-term goals
of the city meet the changing needs of the community.
This is sample set of questions that Council may choose to ask at meetings to
ensure legislative actions are considerate of potential future impacts within the
city.
• Who (what groups) does this resolution/ordinance impact?
Are all groups affected in the same way?
• Who has been included in the decision -making process?
• Have any groups been left out?
• Have we allowed enough time for input?
• Can we identify any potential benefit and/or harm from this decision in the
near term or in the extended future (10-20+ years)?
o What actions could mitigate potential harm or potential risks?
• Are there any historically relevant factors affecting this issue or decision
today?
• Are there any comparable programs in our city or in other cities that we
can learn from?
4) Addition of an Appendix
a. The Appendix should include reference materials to support Council members in
performing their legislative duties. These materials should be presented as
simple "How -To" documents produced by the City Clerk and Legal Department
and approved by Council during annual review of Rules and Procedures.
b. The Appendix should: 1) make it easier for Council to engage through defined
process flows, 2) provide better clarity and guidance for Council to perform their
duties, and 3) reduce lag for new Councilmembers
c. Add Appendix for:
i. How to request a proclamation
ii. How to add an agenda item to Study Session
iii. How to add an agenda item to Council Meetings
iv. How to request a facility tours (internal/external)
v. How to form an Ad Hoc committee
vi. How to disband or retire an Ad Hoc committee
vii. Developing new resolutions
1. Include template(s)
2. Include flowchart
viii. Developing new ordinance with no budget impact
Page 738 of 769
1. Include template(s)
2. Include flowchart
ix. Developing new ordinance with budget impact
1. Include template(s)
2. Include flowchart
x. Submitting materials for council packets
1. Include template(s)
2. Modify the "Agenda Bill" template format to include a section for
"Impacted Groups"
[REFERENCE]
• See Puyallup, Section 12, Page 10; SEE Tacoma, Section 8, Page 16; SEE Port Townsend, Section 3.14
(includes visual flowchart) (city -manager)
• Various/multiple council -mayor cities include different levels of detail on how to do different legislative
activities. Ref. MRSC for code city, mayor — council cities.
• See Issaquah, Section 4.14, Page 32-33 "New Business Request' (code city, mayor -council)
• See Issaquah, Section 7.01, Page 47-48, "Council Ad Hoc Committees."
• See Edmonds, Section 3, Page 3, "Agenda Preparation" (code city, mayor -council)
Page 739 of 769
12.1 (A) Deputy (should have to be on council for at least a year to be considered for
the Deputy Mayors position)
13.8 Submit at least two questions instead of one just in case one of your questions is
similar to another question from another councilperson
16.2 (B) We should leave it the way it was originally written that The Deputy Mayor shall
appoint Councilmembers to Council ad hoc committees, provided that the Mayor shall
appoint members to Council ad hoc committees if the Deputy Mayor is disabled or
precluded from acting in that capacity.
16.2 (E) We should leave this language in there
Ad hoc council committees shall consider all matters referred to them. The chair
of such ad hoc committee shall report to the City Council the findings of the
committee. Committees may refer items to the Council with a committee
recommendation or with no committee recommendation.
16.3 (A) Recommending edits to this section because it says Mayor or Deputy Mayor
can assign to Ad Hoc Committees. Should consider removing Mator selecting or
appointing Ad hoc committee members
All Councilmembers shall have the opportunity to serve on such councils, boards,
and/or committees as assigned by the Mayor and on a rotating basis at the
discretion of the Mayor. Councilmember appointments to intergovernmental
councils, boards, and committees by the Mayor shall be done with
consideration of a Councilmember's expertise, background, knowledge,
working experience and/or education in that council, board, or committee. Ad
Hoc Committee appointment by the Mayor or Deputy Mayor shall be at their
discretion.
17.5 Recommend changing this language. I believe we landed on inside the Council
Chambers
Councilmembers shall not communicate with staff regarding their own personal
business during times set out to discuss City of Auburn business. Councilmembers
shall not discuss personal business with staff immediately before or after Council
meetings in Council Chambers.
Page 740 of 769
CITY OF �J
AGENDA BILL APPROVAL FORM
WASHINGTON
Agenda Subject:
Ordinance No. 6950 (Hay) (15 Minutes)
Department:
Human Services
Attachments:
Prescnladoll
on6nance No.695U
r0filit A
Administrative Recommendation:
For discussion only.
Background for Motion:
Background Summary:
Date:
August 21, 2024
Budget Impact:
Current Budget: $0
Proposed Revision: $0
Revised Budget: $0
This is a proposed amendment to the City's existing camping regulations in Sections 2.22.210 and
9.50.030. Ordinance No. 6950 restricts camping on City -owned property and facilities. This
amendment is focused on protection of public health and safety, and maintaining the intended use
and integrity of the City's public spaces, ensuring they remain safe, clean, and accessible for all
residents.
Unauthorized camping poses significant public health risks due to inadequate sanitation and
can lead to environmental degradation, safety concerns, and a decline in the quality of life for
the community. By more consistently implementing its camping regulations, the City can
better protect its parks and facilities, promote equitable access for all citizens, and foster a
more vibrant, welcoming community. This amendment also aligns with the City's commitment
to addressing homelessness through targeted support services rather than permitting
encampments in public spaces. City Council is urged to consider this amendment to uphold
the safety, cleanliness, and intended use of our City -owned properties.
The presentation aims to provide a comprehensive examination of the proposed amendment
to the City's camping ordinance, specifically targeting the restriction of camping on City -
owned property and facilities. This presentation will detail the rationale behind the
amendments, the anticipated benefits, and the impact on various stakeholders.
Reviewed by Council Committees:
Councilmember: Yolanda Trout -Manuel
Meeting Date:
August 26, 2024
Staff: Kent Hay
Item Number:
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Ordinance 6950
Kent Hay / Human Services Department
August 26th, 2024
CITY OF y
AUBURN
WASHINGTON
Page 743 of 769
Homeless Ruling
Boise Idaho
• 9t" Circuit Court of Appeals Decision (2018)
Martin V. Boise: Court ruling that anti -camping ordinances could be enforced
against homeless individuals when no alternate shelter was available.
,rn.MBU Ordinance 6950 Council Study Session
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8/26/2024
Auburn Camping Ordinance
• Camping Ordinance
• Prohibits Camping on City Property
• Exception
• The person engaged in the prohibited activity is experiencing homelessness
and there is no overnight shelter available on the date the activity occurred
Ordinance 6950 Council Study Session
BURN Page 745 of 769
Ak�wcro" 8/26/2024
Supreme Court Involvement (2024)
Overturned the Ninth Circuit's decision in Martin v Boise through its
ruling in the City of Grants Pass vs Johnson
• Removed the "cruel and unusual punishment"
Ordinance 6950 Council Study Session
Page 746 of 769
uN1NRON 8/26/2024
Ordinance Details
• Purpose: Regulate camping on city property
• Protects public parks, infrastructure and sensitive environmental areas
• Section 2: Definitions:
• City property (lands, facilities owned or managed by the City)
• Camping: Setting up or using temporary shelters or facilities for overnight stay
• Includes the use of tents, tarps or other makeshift structures
• Section 3: Prohibits Camping on City Property
• Section 4: Enforcement
• Section 5: Shelter and Resources
rn... ' . Ordinance 6950 Council Study Session
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8/26/2024
Ordinance Details Cont.
• Section 6 Exceptions
• Does not apply to designated areas where camping is explicitly permitted by
City regulations or permits
• Section 7 Implementation
• Through enforcement mechanisms
• Ensure City Property remains managed and maintained
• Section 8 Severability
Ordinance 6950 Council Study Session
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wuxmcrw 8/26/2024
Environmental Concerns
• Environmental Degradation
• Wildlife Disruption
• Fire Hazards
• Water Quality Concerns
• Vegetation Damage
• Public Health Risks
• Aesthetic and Recreational Impacts
• Legal and Compliance Issues
,anaa Ordinance 6950 Council Study Session
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Infrastructure Protection
• Damage to Public Property
• Increased Wear and Tear
• Vandalism and Graffiti
• Utility Strain
• Blocked Access to Infrastructure
• Erosion of Public Spaces
• Health and Safety Hazards
• Impact on Transportation Systems
• Cost of Cleanup and Restoration
Ordinance 6950 Council Study Session
j k Page 750 of 769
�"'"s"�"�OM 8/26/2024
Public Health and Safety
• Damage to Public Property
• Increased Wear and Tear
• Vandalism and Graffiti
• Utility Strain
• Blocked Access to Infrastructure
• Erosion of Public Spaces
• Health and Safety Hazards
• Impact on Transportation Systems
• Cost of Cleanup and Restoration
arr •._..✓'- %'. Ordinance 5950 Council Study Session
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Visualization of Conditions
Ordinance 6950 Council Study Session
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Visualization of Conditions Cont.
• Children are living in
these conditions
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Ordinance 6950 Council Study Session
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Visualization of Conditions Cont.
/�. Ordinance 6950 Council Study Session —_
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ORDINANCE NO, 6950
AN ORDINANCE OF THE CITY COUNCIL OF THE CITY OF
AUBURN, WASHINGTON, RELATING TO CAMPING ON
CITY PROPERTY, AMENDING SECTIONS 2.22.210 AND
9.50.030 OF THE AUBURN CITY CODE, AND PROVIDING
FOR SEVERABILITY AND AN EFFECTIVE DATE.
WHEREAS, homelessness is a significant problem in the City of Auburn, other
cities in King County, and throughout the United States;
WHEREAS, the City of Auburn has established camping restrictions and
requirements in Auburn City Code Sections 2.22.210 and 9.50.030; and
WHEREAS, fentanyl use is a public health crisis that led to more than 1,100 deaths
in 2023 in King County alone; and
WHEREAS, the City of Auburn invests significant resources in parks and public
spaces -land
WHEREAS, the City of Auburn has also worked to address issues related to
homelessness in a variety of ways including, but not limited to, the following:
• Participating in the South King Housing and Homelessness Partners
coalition, which coordinates servicers to the homeless in South King County and seeks
funding for affordable housing projects;
• Funding the City's Department of Anti -Homelessness, which provides three
outreach workers and one peer specialist and other important public services, and which
refers approximately 160 people annually to temporary shelter;
• Partnering with the Auburn Food Bank to run a Day and Night Shelter for
Ordinance No.6950
September 16'h , 2024
Page 3
Page 759 of 769
people living outside;
• Partnering with the King County District Court for operation of a Community
Court for quality -of -life crimes to reduce recidivism;
• Partnering with King County Homelessness Management Information
System for housing people living outside;
• Providing and Clean and Sober Housing Program for individuals in
treatment;
• Supporting Health through Housing Permanent Supportive Housing in
Auburn;
• Funding the Auburn Community Resource Center at 2814 Auburn Way
North, which is available to help anyone in the community in need of assistance with a
wide variety of challenges; and
• Providing other services, including: ID assistance, health care, pre -paid
ORCA public transportation cards, and mental health and chemical dependency
treatment;
WHEREAS, the City of Auburn provides grant funding to non-profit organizations
throughout the region to provide services and recourses; and
WHEREAS, despite expanding shelter capacity and providing the public services
enumerated above, unsheltered populations in Auburn continue to grow; and
WHEREAS, based on the experience of cities throughout Washington State,
encampments on publicly -owned property present significant public health and safety
Ordinance No.6950
September 161h , 2024
Page 3
Page 760 of 769
risks, and often result in garbage, human waste, drug paraphernalia, illegal drug sales
and use, drug overdoses (including deaths), assaults, fires, and other crimes' -
WHEREAS, over the last several years in the City of Auburn there have been
dozens of scenarios where unauthorized camping has interfered with the intended use of
and/or resulted in damage to city -owned property; and
WHEREAS, City employees have experienced difficulty in removing unauthorized
camping in a manner that protects the City -owned property for use by park users who
have paid for or reserved a City facility; and
WHEREAS, City employees have experienced difficultly in removing unauthorized
camping prior to damage occurring to city facilities and environmentally sensitive areas;
and
WHEREAS, regulating and enforcing limits on public camping is an important and
necessary public health and safety measure; and
WHEREAS, the United States and Washington State Supreme Courts have
recognized the struggle of cities in this area and recently ruled that the United States and
Washington Constitutions allow cities to protect publicly -owned spaces for their residents;
and
WHEREAS, the City of Auburn has the authority to adopt laws to protect public
safety to the extent such laws are not in conflict with State or Federal law; and
WHEREAS, the amendments to Auburn City Code Sections 2.22.210 and
9.50.030 as set forth in the attached Exhibit A are necessary for the protection of public
Ordinance No.6950
September 16Ih , 2024
Page 3
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health and safety, the protection of city -owned property, and to help ensure that city -
owned properties and facilities are available and used for their intended purpose.
NOW THEREFORE, THE CITY COUNCIL OF THE CITY OF AUBURN,
WASHINGTON, DO HEREBY ORDAIN as follows. -
Section 1: Incorporation of Recitals. The recitals set forth above are hereby
adopted and incorporated herein as if set forth in full.
Section 2. Amendment to Section 2.22.210 and Chapter 9.50 of the Auburn
City Code: Section 2.22.210 and Chapter 9.50 of the Auburn City Code are hereby
amended as set forth in Exhibit A, which is incorporated by this reference.
Section 3. Implementation of Ordinance. The Mayor and her designee(s) are
authorized to take such further actions and implement those administrative procedures
necessary to implement and/or carry out the directives of this Ordinance.
Section 4. Severability. If any one or more section, subsection, or sentence of
this ordinance is held to be unconstitutional or invalid, such decision shall not affect the
validity of the remaining portion of this ordinance and the same shall remain in full force
and effect.
Section 5. Corrections by City Clerk. Upon approval of the city attorney, the
city clerk is authorized to make necessary corrections to this ordinance, including the
correction of clerical errors in the body of this ordinance or exhibit(s) thereto; ordinance,
section, or subsection numbering, or references to other local, state, or federal laws,
codes, rules, or regulations.
Ordinance No.6950
September 16t' , 2024
Page 3
Page 762 of 769
Section 6. Effective Date. This ordinance shall take effect and be in force five (5)
days following its passage and publication, as provided by law.
DATED and SIGNED this 16th day of September, 2024.
ATTEST:
Shawn Campbell, City Clerk
APPROVED AS TO FORM:
Jason Whalen, City Attorney
Ordinance No.6950
September 161h , 2024
Page 3
CITY OF AUBURN
NANCY BACKUS, MAYOR
Page 763 of 769
2.22.210 Tents and shelters
No person shall erect, maintain, use or occupy a tent or shelter in any city of Auburn park
except as permitted under ACC Section 9.50.030 C
through such tent nr shelter from at le;;S;t twQ rcriec, Violation of this section is a civil infraction
punishable by a $250.00 fine.
9.50.030 Camping.
A. Camping Prohibited. It is unlawful for any person to camp, occupy camp facilities or use
camp paraphernalia on city property, except as set forth in subsection C of this section.
B. Storage of Camping Facilities and Paraphernalia Items; Prohibited. It is unlawful for any person
to store camp facilities and camp paraphernalia on city property, except as otherwise provided
by ordinance.
C. Exceptions. The prohibitions contained in subsections A and B of this section shall not apply
if:
24� The person is camping or using camp paraphernalia or camp facilities at a Game Farm
Park Campground site after paying the required fees; or
-32. The person is camping or using camp paraphernalia or camp facilities as permitted
under this subsection:
a. The director of the parks, arts, and recreation department may but shall not be
required to permit persons to camp, occupy camp facilities, use camp paraphernalia,
or store personal property in parks property as defined in Chapter 2.22 ACC and as
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listed in the park inventory portion of the parks, recreation and open space plan,
within the city's comprehensive plan.
b. The director of the parks, arts, and recreation department may approve a permit
for camping on city park property if the director finds, based upon a permit application
and information otherwise obtained, that:
i. Adequate sanitary facilities are provided and accessible at or near the camp
site;
ii. Adequate trash receptacles and trash collection will be provided;
iii. The camping activity will not unreasonably disturb or interfere with the peace,
comfort and repose of park users or adjacent or nearby private property owners;
iv. The camping activity is not reasonably likely to cause injury to persons or
property, to provoke disorderly conduct or to create a disturbance; a-R4
v. Any tent or shelter being used will provide an unobstructed view through such
tent or shelter from at least two sides; and
vi. Allowine Tthe camping is in the public interest.
c. The director of the parks, arts, and recreation department, upon consultation with
the City Attorney or designee is authorized to promulgate rules and regulations
regarding the implementation and enforcement of this chapter.
d. Seven days is the maximum period of time a permit may authorize camping on city
property.
e. Any person denied a permit may appeal the denial to the hearing examiner in the
manner described in Chapter 2.46 ACC and ACC 15.07.130 with the director of the
parks, arts, and recreation department serving the role of the building or fire official in
that code; or
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D. Definitions. For this section, the following shall apply:
�1. "City property" as used in this section means all improved and unimproved real
property owned or leased by the city of Auburn, and all city of Auburn easements, including
but not limited to all portions of city parks, as defined in Chapter 2.22 ACC, city buildings,
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rights -of -way, city parking lots, and city environmentally sensitive areas as defined in ACC
16.06.065. City property shall not include:
a. Religious organization property subject to RCW 35A.21.360;
b. City utilities or utility property identified in ACC Title 13; or
c. Airport property or areas identified in Chapter 18.04 ACC.
Camping or trespassing on any city utility property identified in ACC Title 13 shall be
regulated by that title. Camping or trespassing on Auburn Municipal Airport
properties or areas identified in Chapter 18.04 ACC shall be regulated pursuant to ACC
9.96.900 and/or Chapter 9A.52 RCW, as applicable.
-32. "Camp" or "camping' means to pitch, create, use, or occupy camp facilities for the
purposes of habitation, living accommodation, or dwelling, as evidenced by the storage of
personal belongings in "camp facilities" or the use of "camp paraphernalia."
43. "Camp facilities" include, but are not limited to, tents, tarps configured for shelter,
huts, and temporary shelters. "Camp facilities" does not include shelters when used
temporarily in a park for recreation or play, consistent with Chapter 2.22 ACC, during hours
when the park is open to the public.
-54. "Camp paraphernalia" includes, but is not limited to, tarpaulins, cots, beds, sleeping
bags, blankets, mattresses, hammocks, or non -city -designated cooking facilities and similar
equipment.
65. "Store" means to put aside or accumulate for use when needed, to put for
safekeeping, to place or leave in a location.
E. Penalties and Enforcement.
1. A violation of this section is a misdemeanor punishable by 90 days in jail and/or a
$1,000 fine.
2. When any police officer or city official has probable cause to believe that any person
has violated this section, the officer or official may:
a. Order such person to immediately leave the property where the violation is
occurring. Subject to subsection (C)(1) of this section, any person refusing to comply
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with such an order or returning to the property on the same calendar day as such an
order is subject to prosecution for criminal trespass pursuant to Chapter 9A.52 RCW
and/or ACC 9.96.900; and
b. Issue the persona written admonishment excluding them from the property where
the violation is occurring for a period up to one year from the issue date. Subject to
subsection (C)(1) of this section, persons who return to the property within the
admonishment period are subject to prosecution for criminal trespass pursuant to
RCW 9A.52 and/or ACC 9.96.900.
3. Admonishments issued under this section:
a. Are valid and effective whether or not the excluded person is charged, tried or
convicted of any crime or infraction;
b. Are valid and effective even if the admonished person refuses a copy of the
admonishment; provided, that the issuing city official reasonably notifies the
admonished person of the admonishment period, place(s) of exclusion and appeal
process under this section;
c. Are valid and effective for the admonishment period unless and until shortened or
rescinded by an official ruling after appeal in this section;
d. May be based upon observations by city officials and/or police officers, or upon
civilian reports that an official or officer could reasonably rely on in determining
probable cause; and
e. Shall include a statement of the appeal rights in this section and a form for
appealing the admonishment as provided by this section.
4. Persons receiving admonishments under this section may appeal the admonishment.
Any such appeal must:
a. Be in writing, either on the form referenced in this section or in a writing including
at least the person's name, the involved property location and the approximate
admonishment date to enable processing of the appeal;
b. Be received by the city clerk or postmarked within 14 calendar days of the person's
receiving the admonishment; and
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c. Be under oath and include all facts that the excluded person believes supports a
shortening or rescinding of the admonishment.
S. Admonishment appeals under this section involving city parks shall be processed
according to ACC 2.22.240. Otherwise, the director of community development or designee
shall review the appeal and issue a ru►ing upholding, rescinding or shortening the
admonishment within 14 calendar days of receiving the appeal. The director or designee
may consider the admonishment and any other relevant and trustworthy submitted
written materials in deciding the appeal. The admonishment shall be upheld if supported
by a preponderance of evidence. The ruling may be transmitted to the excluded person by
mail, in person, electronically, or by any other method specified by the person or
reasonably likely under the circumstances to give notice.
6. The appeal process in this section cannot be used to appeal any criminal penalties
imposed by a court under this section or any other law.
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