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Find comprehensive services related to flood preparation, warnings, response and recovery-- and also planning to minimize risks from future floods in King County, Washington.

To offer a suggestion or report an error on the King County flooding services and information website, please contact Fred Bentler, webmaster.

Flooding services and information in King County, WA

Maps of Green River Valley areas at risk of potential inundation

 
This mapping is based on flow modeling and does not guarantee that flooding will or will not occur at any particular location.

Middle Green River Reach - US Army Corps of Engineers inundation scenarios
Middle Green River potential flood area map

Lower Green River Reach (1.07 MB Acrobat pdf)
Click image below to view a larger map image:
Lower Green River Valley potential inundation area map, 25,000 CFS @ Auburn
U.S. Army Corps of Engineers inundation scenarios (external link)

FEMA HAZUS Report for the Green River Valley (pdf)
City of Tukwila - potential flood affected areas map (external link, pdf)
City of Rention - potential flooding maps (external link)
City of Kent - potential flooding scenario map (external link)
City of Auburn - Green River flood impact map (external link, pdf)