Fish Passage Program

Barriers to fish passage -- in the form of road culverts, dams, dikes, and other obstructions -- reduce the distribution and habitat available to fish, including salmon and steelhead. WDFW is working to correct these barriers throughout the state.
Learn more about fish passage
Restoring fish passage
WDFW partners with others to locate, prioritize, and fund fish passage barrier repairs across Washington State.
Fish screening and irrigation diversions
To protect fish, Washington requires fish screens on all water diversions and pumps when water is diverted for agricultural use.
Designing climate-change-resilient culverts and bridges
WDFW will help you account for the impacts of climate change on streams, to avoid project failure and fish blockage.
Fish passage training
WDFW offers free training on assessing fish passage barriers and surface water diversion screening.
Inventory, assessment, and prioritization
WDFW can help you identify barrier projects to effectively restore fish access to spawning and rearing habitat.