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

West Point Treatment Plant improvements

Several projects are planned for West Point Treatment Plant to improve plant efficiency and operations and insure compliance with regulations.

  • Alternative disinfection system
  • Screenings improvement project
  • Waste-to-Energy
  • Digestion system improvements
  • Office annex