Magnolia Wet Weather Storage Facility at Smith Cove
The Magnolia Wet Weather Storage Facility at Smith Cove began storing excess flows of stormwater and sewage in late 2015. The facility’s 1.5 million-gallon underground storage tank helps keep sewage and stormwater out of Puget Sound during storms.
24-Hour Emergency and odor reporting: contact West Point Treatment Plant at 206-263-3801.
South Magnolia basin and project location.
King County is protecting Puget Sound
This facility is part of King County’s plan to help protect Puget Sound by keeping sewage and untreated stormwater out of Puget Sound. The new CSO Control Facility will reduce overflows from the sewer system to Elliott Bay to no more than one per year on a long-term average.