Thurston County Flood Hazard Mitigation Plan Update

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Record Chehalis River Basin floodwaters flowed over U.S. Hwy 12 and Anderson Road, impacting businesses and homes in southwest Thurston County. December 4, 2007.

What's New



In Case You Missed It
Community Meeting #2 Meeting Materials 

View and Download Meeting Materials from the August 31 Community Flood Awareness & Planning Open House Meeting #2


The Results Are In
Thurston County Flood Hazards Community Survey  
View the Flood Survey Results...

330

Surveys received
May 15 - June 30, 2017



Look Who's Talking

Community Meeting #1 Comments Map 

View an interactive map of comments from the May 25 Public Meeting #1
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Flooding is Thurston County’s most common natural hazard. The county has been included in 16 flood related federal disaster declarations since 1953. Enlarge Map

Introduction



From May through October 2017, Thurston County is updating its Flood Hazard Mitigation Plan. The plan update process is an important opportunity for Thurston County government, residents, business owners, and other stakeholders to evaluate its flood risks, past and present flood management efforts, assess additional flood management practices, and prioritize appropriate strategies for the county to become more resilient to flooding.

Learn more about the flood plan update process

Floods in Thurston County are the most common natural hazard, and on an annual average basis, the costliest. The December 2007 Chehalis River floods closed 44 county roads, affecting nearly 400 households. 267 county residents applied to the Federal Emergency Management Agency (FEMA) for assistance with property damage claims totaling nearly $6 million. The January 2009 floods caused nearly $3 million in damage to homes.

Between 1953 and 2016, Thurston County received 16 federal disaster declarations involving flooding – that’s half of the total flood-related declarations, statewide! Such events demonstrate that Thurston County needs to address flood hazards on a countywide basis. 

Learn more about the types of flooding that impact Thurston County

View Thurston County’s Flood Hazard Area Map

Contact Us

  1. For more information contact:

    Paul Brewster
    Senior Planner
    brewstp@trpc.org

    Thurston Regional Planning Council
    2424 Heritage Court SW
    Suite A
    Olympia, WA 98502
    Ph: 360-956-7575