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

King Street Center
201 S. Jackson St., Suite 500
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

Black Diamond wastewater infrastructure upgrade

Map - Phase One storage facility alternatives

General location of Phase One storage facilities alternatives (April 2008).

General location of storage facility alternatives

Alternative DAlternative DAlternative DAlternative DAlternative DAlternative CAlternative CAlternative CAlternative CAlternative AAlternative E