This page lists the known Flood Control Districts and Flood Control Zone Districts formed in Washington state. Information on the districts is from multiple sources and may not be current due to limited information. Jurisdictions are encouraged to assist in updating the page by contacting MRSC.

List of Flood Control Districts and Flood Control Zone Districts by County

Chelan County

• Chelan County Flood Control Zone District - Page links to additional FCZD information
• Chelan County Code Ch. 13.10 - Flood Control Zone District

Cowlitz County

• Lexington Flood Control Zone District (Upper and Lower) - Elected Board of Elective Supervisors
• Silver Lake Flood Control District (1965)
• Inactive Districts
  • Cedarbrook Flood Control Zone District - Abolished 2002 (Cowlitz County Res. No. 02-098)

Jefferson County

• Flood Control Zone No. 1 (Dosewallips) - No levies
• Flood Control Zone No. 2 (Big Quilcene) - No levies
• Flood Control Zone No. 3 (Little Quilcene) - No levies
• Brinnon Flood Control Subzone
• Quilcene Flood Control Subzone

King County

• King County Flood Control District - Board of Supervisors is King County Council
  • King County Ordinance No. 15728 (2007) - Created the district and dissolved all existing flood control zones in the county.
  • King County Flood Control District - Webpage of King County Flood Control District

Kittitas County

• Kittitas County Flood Control Zone District - Board of Supervisors is Kittitas County Board of Commissioners
  • Kittitas County Floodplain Management - Provides information on the formation and funding of a county-wide Flood Control District
  • Kittitas County Resolution No. 2012-081 (2012)  - The Board of County Commissioners formed a Flood Control Zone District

Lewis County

• Lewis County Flood District No. 1
• Lewis County Flood District No. 2
• Lewis County Flood Control Zone District - Resolution 97-15 created county-wide district in 1997
• Inactive Districts
  • Lewis County Flood Control District No. 3

Mason County

• Skokomish Flood Control Zone District - Abolished 2014

Okanogan County

• Riverside Flood Control District

Pacific County

• Pacific County Flood Control Zone District No. 1 - Board of Supervisors is Pacific County Board of Commissioners - has four active subzones

Pierce County

• Pierce County Flood Control Zone District - Board of Supervisors is the Pierce County Council
  • Ordinance No. 2011-95s (2012) - Creates a countywide flood control district

Skagit County

• Skagit County Flood Control Zone District - Board of Supervisors is Skagit County Board of County Commissioners
• Skagit County Code Ch. 6.36 - Skagit County Flood Control Zone Districts - Creates countywide district
  • Sedro-Woolley Sub-Flood Control Zone
  • Dunbar Road Sub-Flood Control Zone
  • South Mount Vernon Sub-Flood Control Zone
  • Bryson Road Sub Flood Control Zone - Dissolved 2008
  • Dunbar Sub Flood Control Zone - Dissolved 2009

Snohomish County

• French Slough Flood Control District
• Marshland Flood Control District
• Robe Valley Flood Control District - Formed 2004
• Stillaguamish Flood Control District

Spokane County

• Newman Lake Flood Control Zone District - Board of Supervisors is the Spokane County Board of Commissioners

Walla Walla County

• Bolles-Prescott Flood Control District - Created at election of November 5, 1996. Operations suspended at the request of the district. There have been no flood control re related activities or operations in the district since its establishment, and the district did not own or purchase and flood control improvement, per Walla Walla County Resolution No. 10-350, passed 12/30/2010
• Waitsburg-Coppei Flood District (Portions of Touchet River and Coppei Creek in Columbia and Walla Walla Counties) - no levies 2008
• Walla Walla County Mill Creek Flood Control Zone - Board of Supervisors is the Walla Walla County Board of Commissioners

Whatcom County

• McCauley Creek Flood Control District
• Whatcom County Flood Control Zone District (countywide) - Board of Supervisors is Whatcom County Council - Four subzones: Acme/VanZandt, Sumas/Nooksack/Everson, Lynden/Everson; and Birch Bay Watershed and Aquatic Resources Management District
  • Whatcom County Code Title 100- Flood Control Zone Districts - includes bylaws, advisory committees
  • Whatcom County Ordinance No. 91-076 - Establishing a county-wide flood control zone district
  • Whatcom County Flood Control Zone District Advisory Committee
  • Whatcom County River and Flood Division Technical Assistance

Wahkiakum County

• Upper Grays River Flood Control District

Yakima County

• Yakima County Flood Control Zone District - Includes resolutions establishing district, comprehensive planning, and projects