Bonneville Dam Fish Counts 2024 India. The numbers depicted on the graph were taken from 83 years of fish counts at bonneville dam. Actual fish counts, on the other hand, have not followed this predicted collapse.

Query and view daily adult fish passage counts for various species and projects on the columbia river. View the latest and historical data on adult steelhead passage at bonneville dam, including daily counts, cumulative totals, run timing, and environmental conditions.