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Current Wastewater System

• King County has over 250 miles of pipes and two treatment plants that serve most of the urban parts of King and south Snohomish Counties.

• The wastewater system was built to follow natural drainage systems, so King County's system serves south Snohomish County as well.

For questions about the Wastewater Treatment Division Web site, please send an e-mail message. For general information about the division, contact us at:

Department of Natural Resources and Parks
Wastewater Treatment Division
201 S. Jackson St., Suite 505
Seattle, WA 98104-3855
Phone: 206-684-1280
Fax: 206-684-1741
Telecommunication device for the deaf (TTY): 711

Updated: Aug. 30, 2006
 

Related Information:
System Planning