Edison Subarea Clean Water District
 FROM THE EDISON CLEAN WATER DISTRICT
On behalf of the Edison Advisory Board, due to a conflict, the regularly scheduled monthly Edison Advisory Board meeting has been moved from Wednesday September 24, 2025, to Thursday September 25th, 2025. The meeting will still be held at the Edison Elementary School at 5:00pm.
Policies
The Edison Subarea Policies were updated and adopted and older policies are rescinded as of March 2024.
Policies | Adoption
UV Upgrade Project
As part of the State Waste Discharge Permit #ST0045515 requirements, a Capacity Plan was completed and submitted to the WA State Department of Ecology (ECY) in January 2024. One recommendation included an upgrade to the UV disinfection system due to nearing the end of its useful life. A grant for $250,000 was awarded in June 2024 through the Environmental Protection Agency (EPA), and the National Estuary Program (NEP) Shellfish Strategic Initiative Lead (SIL) programs to support this UV upgrade project, administered through the Washington State Department of Health (DOH). For more information on the SIL program, see Shellfish Strategic Initiative - Strategic Initiatives of the Puget Sound National Estuary Program.
As of September 2025, an Engineering Report is almost ready for DOH and ECY review. After a 30 day review, a Request for Proposals will be advertised to contract with a General Contractor.
Stay tuned for future updates on this exciting project!
“This project has been funded wholly or in part by the United States Environmental Protection Agency under assistance agreement PC-01J89801 to the Washington State Department of Health. The contents of this document do not necessarily reflect the views and policies of the Environmental Protection Agency, nor does mention of trade names or commercial products constitute endorsement or recommendation for use.”
Agendas
2025
2024
2023
2022
Background
The rural village of Edison treats its domestic wastewater by using a septic tank effluent pumping system to a recirculating gravel filter with ultra violet disinfection to two drain-fields and an overflow wetlands infiltration trench. The County constructed the collection system, pump station, gravel filter facility, and drain fields in 1996 to address the Edison Slough and Samish Bay environmental hazards.
The entire collection system and drain-fields make up a Large On-site Septic System. Edison currently operates under a Washington State Department of Ecology discharge permit for effluent limits of Biochemical Oxygen Demand, Total Suspended Solids, fecal coliform, and pH. The treatment facility is located south of Edison Slough and east of the Edison School bus barn.
Guidelines
- I want to purchase land, build a residence, or set up a commercial business WITHIN the subarea:
- Contact Skagit County Planning & Development Services Department, (360) 416-1320 or e-mail pds@co.skagit.wa.us
- I want to purchase land, build a residence, or set up a commercial business OUTSIDE the subarea:
- Follow the Septic Permit Process or for more information contact the Skagit County Environmental Health Department, (360) 336-9474.
Current Projects in the Edison Subarea
Well Locations
Ecology is monitoring localized ground water in the area of the septic drain-fields for nitrates. Every month Ecology samples the wells for nitrates to check if groundwater is affected. Downgrades in groundwater quality could require the Edison Large On-Site Septic System to have additional treatment.
Edison Septic Ground Monitoring Map
Upgrades to the Edison treatment plant are on the way; new computer monitoring programs, flow meters, and a rain cover are being installed. These upgrades will allow the septic plant to operate more efficiently.
Edison Subarea Board
The Edison Subarea Board meets monthly on the fourth Wednesday of every month at 5 pm in the Edison School at 5801 Main St, Edison. The Edison Subarea Board advises the County on operation of the Edison Large On-Site Septic System under Skagit County Code 12.64.
Contact Information
Lavelle Pilon, Skagit County – County Liaison for the Edison Advisory Board
Mailing Address – 1800 Continental Place Mount Vernon, WA 98273
Phone – 360-416-1320
E-mail – lpilon@co.skagit.wa.us
Mike Tamman, The Drain Doctor – Operations and Maintenance contractor for property sites and pumping
Mailing Address - 14062 Hillwood Drive, Bow, WA 98232
Phone – 360/708-9674
Website – www.thedraindoctor.net
Links
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