Wastewater Treatment Division
King County, Washington, protects water quality and prevents water pollution by providing wastewater treatment to 17 cities and 17 local sewer utilities. The county's Wastewater Treatment Division serves about 1.5 million people, including most urban areas of King County and parts of south Snohomish County and northeast Pierce County. More about our system and facilities.
Spotlight
The county's wholesale monthly sewer rate will remain at $31.90 for 2009-2010. Effective Jan. 1, 2010, the monthly capacity charge for new connections will increase from $47.64 to $49.07. View June 16, 2009 news release. Most visited pages |
Reporting and viewing problems
- Sewer construction issues, sewage spill response, and odor complaints
CSO real-time page
- Locating sewer pipes and other utilities (One Call, external link)
Doing business with WTD
- Capacity charge online payment
- Sewer rate and capacity charge
- Industrial wastewater discharge approvals
- Requesting engineering design standards
- more...
Learning about projects (under construction or in planning)
- Brightwater treatment system, North King County/South Snohomish County
- Ravenna Creek transfer pipe extension, Seattle
- Puget Sound Beach CSO Control, Seattle
- Bellevue Pump Station upgrade
- 53rd Avenue Pump Station upgrade, Seattle
- Sunset and Heathfield Pump Stations upgrades, Bellevue
- Additional projects
- Of interest: Regional Wastewater Services Plan
Getting involved in protecting the environment--citizen action
- Attend an upcoming plant tour
- Things you can do to protect the environment
- Let's talk trash
- Use biosolids compost as a mulch and soil conditioner on home gardens and lawns
- Public involvement
- Be aware of emerging issues that affect our environment (EDCs, Pharmaceuticals)