Skip to main content
King County logo

Newsroom

Natural Resources and Parks
Public Affairs


Heavy rainstorm leads to overflow at Sweyolocken Pump Station in Bellevue

Summary

A strong rainstorm caused a mechanical issue Sunday evening at a King County wastewater pump station in Bellevue, resulting in a 21-minute overflow into Lake Washington.

Story

A strong rainstorm caused a mechanical issue Sunday evening at a King County wastewater pump station in Bellevue, resulting in a 21-minute overflow into Lake Washington.

King County Wastewater Treatment Division crews responded quickly to stop the overflow at Sweyolocken Pump Station, located at 3100 Bellevue Way S.E. It is estimated about 122,000 gallons of wastewater overflowed into the lake. King County is investigating what caused the malfunction.

King County will report the overflow to health and regulatory agencies, monitor water quality, and has posted affected areas as closed.

###

Note to editors and reporters: Visit the WTD website, a portal to information for the news media about the Wastewater Treatment Division, King County Department of Natural Resources and Parks: http://www.kingcounty.gov/wtd.