Holiday closure Monday May 28: Most county offices will be closed in observance of Memorial Day.

For questions about the Wastewater Treatment Division website, please send an e-mail message or contact us at:

King Street Center
201 S. Jackson St., Suite 500
Seattle, WA 98104-3855
Phone: 206-684-1280
Fax: 206-684-1741
Telecommunication device for the deaf (TTY): 711

Get Directions to our office location in Seattle, Washington.

Staff Contacts
Puget Sound shoreline next to the West Point Treatment Plant, Seattle

Annual financial statements

The wastewater utility undergoes an annual audit to insure that its annual financial results are fairly stated and that all covenants with the utility’s bondholders have been met.

King County Water Quality Enterprise Fund

You will need a PDF viewer to open and view documents linked off this page.

Audit period Issue Date File Size
January 1, 2010 through December 31, 2010 May 10, 2011 0.9MB
January 1, 2009 through December 31, 2009 July 6, 2010 0.3MB
January 1, 2008 through December 31, 2008 October 26, 2009 0.8MB
January 1, 2007 through December 31, 2007 June 16, 2008 0.4MB
January 1, 2006 through December 31, 2006 June 29, 2007 0.4MB
January 1, 2005 through December 31, 2005 June 26, 2006 1.3MB
January 1, 2004 through December 31, 2004 June 17, 2005 1.1MB
January 1, 2003 through December 31, 2003 June 14, 2004 0.1MB
January 1, 2002 through December 31, 2002 June 13, 2003 0.3MB
January 1, 2001 through December 31, 2001 May 23, 2002 0.2MB

Related topics