Adult Returns for Columbia and Snake River Dams - Graph Adult Salmon Database




  • NOTE: This graph will not work until there is data for the site selected.
Step 1. Choose one of the following Adult Passage Reporting sites:
Note: There is not any 10 year average data available at Willamette Falls.
Step 2.  Select Species:

Step 3.  Submit Form or Reset

Note: Willamette Falls only has ladder counts for spring chinook, fall chinook and steelhead. There is not any 10 year average data available at Willamette Falls.




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