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Wastewater Treatment Division

Wastewater Treatment Division

King County, Washington

Only toilet paper belongs in the toilet. Do not flush anything else (even if it is labeled flushable). Flushable: wipes are not really flushable – they don’t break down and can cause expensive plumbing problems in your home and damage the sewer system. Put wipes in the trash. Learn more.

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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


Wastewater Treatment Division ADA accessibility information

WTD career opportunities and internships

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!


WTD news releases.

a wave of water with the phrase "THE BUBBLER" on top and below the surface is the King County logo with department & division (Natural Resources & Parks, Wastewater Treatment Division) Check out the Bubbler newsletter.

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