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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.

Here are some quick navigation links:

Jameson Building Replacement Project: Come see how the new Jameson Building will better serve the people who protect your health and our waters.
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


Local sewer agencies

King County online directory

Public Records Officers

Department of Natural Resources

Public Health - Seattle and King County

Wastewater Treatment Division StaffJoin our team. Come make clean water with us!

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