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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

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CSO reduction over time

The following graph (also available as PDF) shows CSO reductions from the many control projects King County has completed. You can also view a map showing the phasing of future CSO Control projects.

Updated: Feb. 8, 2012