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For questions about the King County CSO Control Program, please contact Karen Huber.

Wastewater Treatment Division
King Street Center
201 S. Jackson St., Suite 505
Seattle, WA 98104-3855

Get Directions to our office location in Seattle, Washington.

Real Time CSO Notification

CSO control resources and links

Programs, plans and studies

rainbarrel

Reducing stormwater into the wastewater system

Don't use toilets as trashcans

Keep trash and other items out of the wastewater and stormwater system

WP aerial

Touring treatment plants and/or CSO control projects

Bert the Salmon

Miscellaneous resources

Related information