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Most King County offices will be closed on Thursday and Friday, Nov. 26-27, 2015, for the Thanksgiving holiday.  
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Click this thumbnail image of the cover of the 2013 King County Flood Hazard Management Plan Update to open the document.

This report is provided in Adobe Acrobat .pdf format.

The 2013 King County Flood Hazard Management Plan Update and Progress Report (Flood Plan) was adopted by the King County Council with the passage of Ordinance No. 2013-0419 in November 2013.

By adopting this ordinance, King County remains in compliance with the planning requirements of the Community Rating System and preserves the flood insurance discount (up to 40 percent) available to residents of unincorporated King County.

The 2013 Flood Plan is a companion document to the 2006 King County Flood Hazard Management Plan, updating technical information and summarizing accomplishments since 2007.

Library Distribution
Beginning in January 2014, hard copies of the 2013 Flood Plan will be available at the following King County libraries:

  • Auburn Library
  • Bellevue Regional Library
  • Bothell Regional Library
  • Carnation Library
  • Duvall Library
  • Fairwood Library
  • Fall City Library
  • Issaquah Library
  • Kent Regional Library
  • Maple Valley Library
  • Muckleshoot Library
  • North Bend Library
  • Redmond Regional Library
  • Skykomish Library
  • Snoqualmie Library
  • Tukwila Library

About the 2013 King County Flood Hazard Management Plan Update

Public involvement

Citizens committee

Issue papers

For questions about the King County Flood Hazard Management Plan Update, please email