 The West Point Treatment Plant is next to Seattle's Discovery Park. The plant can treat an average of 133 million gallons of wastewater every day. See also a Flash animation tour of the treatment process at West Point.
 The South Treatment Plant in Renton can treat an average of 115 million gallons of wastewater each day from our region,s homes, businesses, and industries. See also a Flash animation tour of the treatment process at South plant.
The Vashon Treatment Plant serves about 425 residential and commercial customers in and around Vashon Island's main business area.
Fuel Cell Demonstration Project--Construction began in April 2003 of the world's largest demonstration project of a molten carbonate fuel cell using digester gas (methane) as fuel.
The wastewater treatment process used by King County includes secondary treatment (preliminary, plus two levels of treatment). The county also conducts pilot projects to evaluate new technologies that improve wastewater treatment, reduce costs and generate marketable products from waste.
Facts at a Glance--an informative summary about our regional wastewater treatment system and facilities.
Wastewater (NPDES) Permits--King County discharges treated wastewater under permits issued by the Washington State Department of Ecology.
Local Sewer Agencies--King County provides wholesale wastewater treatment services to 17 cities and 17 local sewer utilities in the wastewater service area.
Construction Projects--a few of our current projects.
Downloadable maps of King County's Wastewater Treatment Service Area and Facilities and Local Sewer Agencies served by King County.
Odor Control in wastewater facilities--Learn about odor control in the regional wastewater system, odor control devices, tips for reducing household sewer odors, and how to report sewer odor complaints.
Wastewater Treatment Division brochure (PDF file, 565KB)--This easy-to-read brochure describes King County's role in wastewater treatment and briefly explains and shows the process of collecting, treating, reusing, and discharging wastewater and its byproducts.
King County's Water Quality Monitoring programs track and assess conditions in Puget Sound, major lakes, and major streams near wastewater treatment, conveyance and discharge facilities.
King County's Environmental Laboratory supports division functions including treatment plant operations, water and biosolids monitoring, industrial waste control, capital projects and alternative technologies for wastewater treatment.
Also see "System Planning" and "Wastewater Programs" for more information. |
Our Wastewater System and Process
For questions about the Wastewater Treatment Division Web site, please send an