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Project update

March 2, 2017

Sound muffling blankets installed

Noisy facility equipment was covered with materials to reduce sound from them in February 2017.

Drainage upgrades COMPLETE!

King County’s contractor installed drainage improvements at the corner of N.W. Neptune Place and N.W. 100th Street, and at the corner of N.W. Neptune Place and N.W. Blue Ridge Drive in mid-December.

Drainage improvements

If you have concerns about the facility's operations

Should you notice issues you believe to be related to the facility's operation (noise or exhaust concerns, lights left on at site, safety or security concerns, open gate, etc.), please contact King County WTD at 206-263-3801 as soon as possible at any time. This number is answered 24-hours a day.

Call 911 in case of emergency.

Operations phase

Contact us

For more information about this project, contact Doug Marsano at:



Project description

King County has completed construction of an underground storage tank in the right-of-way in N.W. Blue Ridge Drive and Triton Drive N.W. This facility can store up to 380,000 gallons of untreated water when the North Beach Pump Station reaches maximum capacity.

Project location


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