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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

King County CSOs -- public notification, posting

King County has partnered with the City of Seattle, Seattle-King County Health Department, and the Department of Ecology to develop a combined sewer overflow (CSO) public notification program consisting of:

  • notification mapWarning signs near CSO outfalls
  • CSO information line (206-205-1151)
  • Real-time CSO status in the Seattle area
  • Web site (maintained by Public Health) to answer health concerns about CSOs

cso closure  
CSO Warning Sign
(posted near CSO outfalls)

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