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Project update

April 28, 2017

Restoration is complete! Fencing around the facility site to come down during the first week of May.

With restoration work complete, King County’s contractor will remove fencing around the facility site during the first week of May. The public staircase will be open once the fencing is removed. The fencing around Lowman Beach Park will remain in place through the spring until the grass is established.

King County will raise the height of some sections of railing on the facility roof to enhance site security and safety. You may see temporary barriers in place until this update is complete. The staircase will remain open to the public during this work.

Community celebration & facility tours
Saturday, June 10
10 a.m. to 12 p.m.
Murray Wet Weather Facility

The County will host a community event on Saturday, June 10 to celebrate the completion of the project and to thank you for your continued patience during construction.

The public staircase is now complete!The public staircase is now complete!

For additional information, see the latest project update .

Have a comment or question? Need more information about the project? 
Click here to contact the project team.

Murray project hotline:  206-205-9186


Contact us

Call the project information line at  206-205-9186.

Contact Kelly Foley at:

 Feedback form

1702_landscaping_600Murray CSO Control Facility , February 2017

Project description

King County built a million-gallon underground storage tank across the street from Seattle’s Lowman Beach Park to reduce combined sewer overflows (CSOs). The tank stores excess stormwater and wastewater that would otherwise overflow into Puget Sound when the Murray Pump Station exceeds maximum capacity. Learn more about this project

Project schedule

The Murray Wet Weather Facility began operating in November 2016. All project activities are expected to be complete in early 2017. Below is a list of remaining project activities that are underway or planned for early 2017:

  • Site landscaping
  • Lowman Beach Park restoration and landscaping
  • Project art

Project location


Back to the capital projects overview map .

Related information

Protecting Our Waters (Combined Sewer Overflow Control Program), King County

Find out if a CSO is occurring at Murray. King County maintains a real-time notification page so people can see whether CSO discharges are occurring.

This project is funded in part by:

Department of Ecology, State of Washington