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Septic & Wastewater

Nearly 1 in 4 U.S. households depend on an individual on-site sewage system or a small community cluster system to treat their wastewater. If properly built and maintained, decentralized wastewater treatment systems have many benefits, including:

  • Reducing exposure to untreated sewage
  • Protecting groundwater, lakes, and the Puget Sound from contamination
  • Allowing for development in outlying communities and properties

Snohomish County septic system services

The Snohomish Health District works to ensure that septic systems are not only located and installed correctly but also kept in good working condition by providing the following services: 

How do I report a septic system problem?

The Snohomish Health District investigates complaints and problems with septic systems in the county. To report a problem, email the completed Complaint Investigation Request (PDF) to wwwquestions@snohd.org or mail it to the address below:

Environmental Health Division
Water &
Wastewater Program
3020 Rucker Avenue, Suite 104
Everett, WA 98201-3900

Your complaint will remain anonymous, and you will receive a reply regarding the situation after the initial investigation is completed. 

Contact Us

Water & Wastewater

3020 Rucker Ave., Suite 104
Everett, WA 98201
Directions

Phone
:
425.339.5250
Fax
:
425.339.5254

wwwquestions@snohd.org

Hours
:
8 a.m. to 5 p.m.
Closed
:
Noon to 1 p.m. and on major holidays

Did you know?

The Snohomish County Assessor’s database has more than 250,000 properties, of which more than 80,000 utilize an on-site sewage disposal system.