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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

Ballard Siphon replacement project

Library 

You can download and view documents (PDF files) using a PDF Reader.

News releases

Project updates

Project drawings

Environmental documents

More information

  • For more information about this project, contact Martha Tuttle at martha.tuttle@kingcounty.gov or 206-684-1207. Ask to be added to the project mailing list or e-mail list.

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