What we do

Since 2017, the Chehalis Basin Board and Office of Chehalis Basin have funded, approved and overseen more than 140 on-the-ground projects supporting the Chehalis Basin Strategy. We are finding creative solutions that protect communities and residents and reverse the loss of salmon and other aquatic species throughout the Basin.

This work entails: 

  • Helping residents and communities protect homes and businesses from flood damage
  • Working with landowners to slow harmful erosion and restore habitats for salmon and other aquatic life
  • Preparing the region for more frequent major and catastrophic flooding

Learn more by clicking on a specific program or project:

Aquatic Species Restoration Program

Coordinating habitat restoration efforts across the Chehalis Basin to restore aquatic life

Flood assistance for residents and business owners

Helping you prepare your home or business for flooding

Flood management programs

Supporting tribes and local governments with technical assistance and planning

Local Action Non-Dam alternatives for flood damage

Designing a system of local levees and floodwalls in and around Centralia and Chehalis

Skookumchuck Dam study

Studying opportunities to improve fish passage, reduce flood damage, and maintain local water supply

Local flood solutions

Creating on-the-ground solutions to protect against flood damage

Proposed flood protection dam

Evaluating a potential dam on the Chehalis River to protect against catastrophic flood damage

By the numbers

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On the Ground Projects
On-the-ground projects completed or underway today in the Chehalis Basin
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Flood Damage Reduction Projects
Flood damage reduction projects completed since 2017
Aquatic Species Projects
Aquatic species restoration projects completed or in progress
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Shoreline Feet
Feet of river shoreline re-vegetated in 2021
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Treated Acres
Acres treated for invasive plants in 2021
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Property Owners Consulted
Property owners consulted in 2021 to lower flood insurance premiums and protect homes from flood damage