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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

Hidden Lake Pump Station replacement and sewer improvement

News releases

For more information

  • Refer to Project Library for project updates, fact sheets, environmental documents and technical reports.
  • Call the 24-hour construction hotline at 206-205-5968 or contact Jennifer Kauffman at 206-263-6029 or by e-mail at jennifer.kauffman@kingcounty.gov for more information.

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