Fish Passage Queries
Adult Passage Counts |
Adult passage count query for Prosser Dam, Roza Dam, Lyle Falls and Castile Falls |
Adult Passage Counts Detail |
Detailed adult passage count query for Prosser Dam, Roza Dam, Lyle Falls and Castile Falls |
Adult Passage Graphs |
Interactive graphs of annual adult passage for Prosser Dam, Roza Dam, Lyle Falls and Castile Falls
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Juvenile Passage |
Juvenile passage reports
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Below is a general summarization of fish count data. Click on the links above for more details.
Note: Lyle Falls trap counts only represent a subsample of the total run. See annual reports for population estimates.