Washington Flood Districts and Flood Control Zone Districts by County

Information is from multiple sources and may not be current due to limited information. Jurisdictions are encouraged to assist in updating page by contacting MRSC.

Cowlitz County

• Lexington Flood Control Zone District (Upper and Lower)
• Silver Lake Flood Control District  - Inactive
• 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 Zone District - King County Ordinance No. 15728 ( 52 KB) created the district and dissolved all existing flood control zones in the county, passed 4-07 

Lewis County

• Lewis County Flood District No. 1
• Lewis County Flood District No. 2
• Lewis County Flood Control Zone
• Inactive Districts
  • Lewis County Flood Control District No. 3
    

Mason County

• Skokomish Flood Control Zone District

Okanogan County

• Flood Control District - Riverside Flood Control District

Pacific County

• Pacific County Flood Control Zone District No. 1 - has four active subzones

Skagit County 

• Skagit County Flood Control Zone District
  • Blanchard Sub Flood Control Zone
  • Britt Slough Sub Flood Control Zone
  • Bryson Road Sub Flood Control Zone - Dissolved 12-2008
  • Dunbar Sub Flood Control Zone  - Dissolved 6-2009  
  • Hanson Creek Sub Flood Control Zone  
  • Sedro-Woolley Lateral Sub Flood Control Zone  - Dissolved
  • Sedro Woolley Sub Flood Control Zone
  • Warner-Prairie Sub Flood Control Zone
    

Snohomish County

• French Slough Flood Control District
• Marshland Flood Control District
• Robe Valley Flood Control District, formed 9-04
• Stillquamish Flood Control District

Spokane County 

• Newman Lake Flood Control Zone District

Walla Walla County 

• Bolles-Prescott Flood Control District - - no levies 2008
• Waitsburg-Coppei Flood District (Portions of Touchet River and Coppei Creek in Columbia and Walla Walla Counties)  - no levies 2008
• Mill Creek Flood Control Zone

Whatcom County

• Macaulay Creek Flood Control District  
• Whatcom County Flood Control Zone District (countywide)
  • Flood Control Zone District Advisory Committee
  • Flood Control Zone District Technical Assistance  

Wahkiakum County

• Upper Grays River Flood Control District

Yakima County

• Yakima County Flood Control Zone District

Related Resources
MRSC Index - Flood control district (Ch. 86.09 RCW)
MRSC Index - Flood control zone district (Ch. 86.15.RCW)