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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

Carnation Treatment Plant

Administration Building for the Carnation Treatment Plant
Entrance to Carnation Treatment Plant

Address

4405 Larson Avenue, Carnation, WA 98014
(Directions & map to plant.)

Contacts

Administration (Main Control at South Treatment Plant, Renton): 206-684-2400
Odor Control Hotline: 206-684-2404
24 hours a day

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