Steelhead Dam Counts
Bonneville/Lower Granite Dams
2023 Adult Steelhead Count
Bonneville Dam
From March 1 - July 31, 2023
| Date Of Count | Daily Adult Count | Total to Date This Year | Total to Date Last Year | 5 Year Average Daily Count |
|---|---|---|---|---|
| Jun 04 | 30 | 2,020 | 3184 | 33 |
Lower Granite Dam
From March 1 - July 31, 2023
| Date Of Count | Daily Adult Count | Total to Date This Year | Total to Date Last Year | 5 Year Average Daily Count |
|---|---|---|---|---|
| Jun 04 | 0 | 2,542 | 1,777 | 0 |
Information
To view passage at Bonneville or Lower Granite Dam go to: Corps of Engineers Fish Reporting Site
- Information on numbers of steelhead 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.