Wastewater that leaves the inside of your home or business enters the Edmonds sewer system and flows through city-owned and maintained pipes into the Edmonds and Lynnwood Wastewater Treatment Plants. City staff provides maintenance and repair of City systems to ensure federal and state standards are met for water quality, plant-generated air, effluent, and solids. The Engineering Division is responsible for the long range planning, design and construction management of public sewer system improvements and extensions. The Sewer Division is responsible for the maintenance and operation of 14 sanitary sewer pump stations, 26 residential grinder pumps, 3,200 sanitary sewer manholes, and over 186 miles of sanitary sewer mains serving over 9,800 customer accounts.
Sanitary Sewer Utility System
Sewer Comprehensive Plan
The comprehensive plan provides an analysis of the City's sewer system. It provides planning information that will guide the City in operating, maintaining and improving the sewer system.
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- 2013 Sewer Comprehensive Plan
- Main Document (15MB)
- Appendices (17MB)
- 2013 Sewer Comprehensive Plan
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Sewer System Construction Projects
Public Works and Capital Improvement Projects - Current capital projects, city projects and information on the City's six year capital improvement program can be found by clicking on the document link to the below.
Sewer Backups
Sewer leak, sewer backups ....
What causes a backup?
How could a sewer backup affect me?
What should I do if sewage backs up into my home?
Is there anything I can do to prevent sewage backup into my home?
Private Property -
City Right-of-Way -
During normal working hours please contact the Public Works Department at 425.771.0235
For AFTER HOURS EMERGENCIES: Call 911 - the operator will dispatch a utility crew member as required.
Infiltration and Inflow
The infiltration and inflow (I & I) study provides an analysis of the City's sewer system. It provides planning information that will guide the City in maintaining and improving the sewer system to mitigate infiltration and inflow into the system.
An I & I study was prepared for the City in June 2010 and is provided here in a PDF format for your reference.
Sewer Service Area
Most of the incorporated City Limits are served by the Edmonds Public Sewer System. The City sewer system presently serves an area of about 7.4 square miles within the City limits.
Contact Utility Billing
City Hall - 1st Floor 121 5th Ave N
Edmonds, WA 98020 (425) 771-0241
Hours: M-F, 8am-4:30pm
Contact Public Works
Public Works & Utilities Administration
Operations & Maintenance Center
7110 210th St SW
Edmonds, WA 98026
Phone: (425) 771-0235
Fax: (425) 744-6057
pw@edmondswa.gov
Public Hours:
8:00am to 4:30pm M-F
Closed Weekends and Holidays
For Emergencies Call 911
Public Works Engineering Division
City Hall - Second Floor
121 5th Ave N
Edmonds, WA 98020
Phone: (425) 771-0220
Fax: (425) 672-5750
engineering@edmondswa.gov
Public Hours:
8:00am to 4:30pm - M, T, Th, F
Wed 8:30am to Noon
Closed Weekends and Holidays
Engineering Capital Project Staff
Engineering Development Staff