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Closures: Wednesday through Friday, Nov. 25-27, many county offices will be closed and staff will be on unpaid furlough and on Thanksgiving holiday. (See links for exceptions, such as courts and Public Defender.)

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

South Treatment Plant

Address and contacts

Administration: 206-684-2400
Control Room and Odor Control Hotline: 206-684-2404 (24 hours a day)

1200 Monster Road S.W.,
Renton, WA 98057
Fax: 206-684-2448

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