Fish passage maps & data

Find fish passage maps, get GIS data, and view our annual reports.

Find fish passage projects on a map

Tips for using our interactive map:

  • Use the layers to view which sites have been corrected and which sites remain total or partial barriers.
  • Click on the map to learn which species of fish are present at a particular site and view more photos.
  • Turn different layers on and off to know where different boundaries are located
  • Use the measure tool to understand how close or far apart sites are.
  • Click the “In Design” layers on to view projects completed or programmed for completion over the next few years.
  • Open in a separate browser tab for the full interactive map experience.
A screenshot of our interactive webmap.

Public GIS download websites

Our progress correcting barriers

As of June 2022, we completed 379 fish passage barrier corrections statewide. This improved access to approximately 1,301 miles of upstream habitat for fish. Of the 379 statewide corrections, WSDOT corrected fifteen fish passage barriers last year, fourteen of which were in the injunction area, opening 98 miles of stream habitat.

Learn more about our progress identifying and correcting fish passage barriers, and related activities, in our 2022 WSDOT Fish Passage Performance Report (PDF 8.8MB).

View past Annual Reports here: WSDOT Annual Reports

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