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March 23, 2017 update

No stormwater-sewage bypasses have occurred from the West Point Treatment Plant to Puget Sound since Feb. 16. All beaches are open and have been since Feb. 21. Crews working seven days a week remain on track for restoring full wastewater treatment function at the West Point Treatment Plant by April 30. View the March 23 press release.

Visit our new marine monitoring page to learn about our plan to monitor water quality while West Point Treatment Plant is being restored to full secondary treatment.  You can find our monitoring plan, frequently asked questions, and contact information for questions and concerns. We will post monitoring data and summaries every two weeks, with the first report published by March 17.

Visit the Incident Response page for current updates on restoration progress at West Point.


The King County Wastewater Treatment Division is implementing comprehensive restoration actions following a major equipment failure at the West Point Treatment Plant on Feb. 9 that has resulted in bypasses of untreated stormwater and wastewater into Puget Sound. Restoration work is occurring around-the-clock to restore the plant to its full operational capacity as quickly and safely as possible.

King County is committed to keeping people informed as we continue the restoration effort.  Progress updates and notices will be available on Web and social media and people can contact us with questions and concerns.

treatment-process-diagramView larger version .

wp-employee-working-on-pump_600Employee working on pump equipment. View more photos on our Flickr site .


Storm impacts on West Point Treatment Plant

For questions or inquiries related to the West Point restoration, please do not call the West Point Treatment Plant.

Contact us:

206-477-5371 (after hours, leave message)