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For questions about the Wastewater Treatment Division Web site, please send an e-mail message or contact us at:

King Street Center
201 S. Jackson St., Suite 505
Seattle, WA 98104-3855
Phone: 206-684-1280
Fax: 206-684-1741
Telecommunication device for the deaf (TTY): 711

Get Directions to our office location in Seattle, Washington.

Staff Contacts

Puget Sound shoreline next to the West Point Treatment Plant, Seattle

Sewage spill in houseSewage spill response - in your home

Limit Exposure

  • Proper cleanup method
    Rubber boots limit exposure to disease-causing contaminants during a sewage spill.

    Stop using plumbing and appliances that drain into the sewer system, including sinks, showers, toilets, dishwashers and laundry machines.
  • Avoid direct contact with sewage and sewage contaminated items.
    • Wear rubber gloves and boots when in the vicinity of the back up. Remove boots and gloves before returning to unaffected areas.
    • Wash hands thoroughly after handling any contaminated items.
  • Prevent the spread of contaminants and odors.
    • Turn off forced air furnaces and air conditioners.
    • Cover or close vents capable of spreading contaminants and odors.
    • Do not use wet/dry vacuums because of the danger of electrical shock and the spread of aerosolized germs by the fan motor.
    • Be careful not to track contamination into other parts of the residence.

Related information 

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Flood preparation in the Green River Valley, including wastewater frequently asked questions (FAQs)