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Wastewater Treatment Division staff are prepared to respond to a variety of complaints and incidents related to the regional wastewater conveyance and treatment system including addressing odor complaints, sewer spills, storm-related problems, and other incidents.

Beach closure signIf you see a warning sign near the water, it means that raw sewage has overflowed into the waterway, and you (and your pets) are advised to stay out of the water in the area until signs are removed.

Current incident responses are listed below (click on "+" to expand view)

Location: near Lake Ballinger Pump Station, 2205 N. 205th

March 18, 2019

Lake Ballinger Water Quality Returns to Background Levels

King County is continuing its response to a sewer backup that occurred March 14 near the Lake Ballinger Pump Station in Snohomish County. The Lake Ballinger Pump Station is located at 2205 N. 205th near the Edmonds – Shoreline border. For more information, view update .

aerial map of the Lake Ballinger Pump Station

March 15, 2019

King County investigating sewer back up near Lake Ballinger Pump Station

King County is investigating a sewer backup near the Lake Ballinger pump station in Snohomish County. The Lake Ballinger Pump Station is located at 2205 N. 205th the Edmonds – Shoreline border.

For more information:

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Sewer construction issues –
Public involvement staff are assigned to each construction project and are available to respond to your concerns (view map of projects).

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