Steelhead Dam Counts
Bonneville/Lower Granite Dams
2024 Adult Steelhead Count
Bonneville Dam
Jan 1 2025 - Dec 31 2025
| Date Of Count | Daily Adult Count | Total to Date This Year | Total to Date Last Year | 5 Year Average To Date |
|---|---|---|---|---|
| Dec 19 | 9 | 156,712 | 181,797 | 122,004 |
Aug 1 2025 - November 1 2025
Lower Granite Dam
Jan 1 2025 - Dec 31, 2025
| Date Of Count | Daily Adult Count | Total to Date This Year | Total to Date Last Year | 5 Year Average To Date |
|---|---|---|---|---|
| Dec 19 | 132 | 81,508 | 103,912 | 69,876 |
Aug 1 2025 - November 1 2025
Information
To view passage at Bonneville or Lower Granite Dam go to: Corps of Engineers Fish Reporting Site
- Information on numbers of fish crossing the Columbia and Snake River dams is taken from data posted by the United States Army Corps of Engineers, and is updated during the counting season.
- Counts include wild and hatchery origin fish.