Wastewater Treatment Division
King County, Washington
Our regional wastewater treatment system has a big job to do. Not only does it operate around the clock to sustain a healthy environment, this vital infrastructure supports economic development that enables our region to thrive.
Learn about what makes WTD a Utility of the Future Today and our vision, mission and values.
Regional wastewater treatment plants
Brightwater, near Woodinville
South Plant, Renton
West Point, Seattle
Regional committees
MWPAAC - Metropolitan Water Pollution Abatement Advisory Committee
RWQC - Regional Water Quality Committee
Resources
Department of Natural Resources
Public Health - Seattle and King County