| Adult Steelhead Query Parameters | |
| Year | 2021 |
| Project | Bonneville |
| River Parameter | Tailrace TDG Percent |
| Critical Tailrace TDG Percent Value | 120 % |
| Calculate Exposure | Above Critical Value |
| River Parameter Data Fill | No |
| Query Dates | 1/1 - 12/31 |
| Total Run Period (Jan 1 - Dec 31) | |
| Total Number of Fish Observed | 71980 |
| Percent of Total Run Analyzed [Number Observed] | 55.1 % [39662]1 |
| Tailrace TDG Percent Exposure Index | 114.72 % |
| Percent of Fish Exposed [Number Exposed] | 0.1 % [49] |
| Number of Days Fish Exposed | 5 |
| Middle 80% of Run Period (Jul 14 - Sep 28) | |
| Number of Fish Observed | 58491 |
| Percent of Middle 80% of Run Analyzed [Number Observed] | 57.31 % [33522] |
| Tailrace TDG Percent Exposure Index | 114.44 % |
| Percent of Fish Exposed [Number Exposed] | 0 % [0] |
| Number of Days Fish Exposed | 0 |
| Middle 50% of Run Period (Aug 8 - Sep 13) | |
| Number of Fish Observed | 36262 |
| Percent of Middle 50% of Run Analyzed [Number Observed] | 63.18 % [22912] |
| Tailrace TDG Percent Exposure Index | 113.68 % |
| Percent of Fish Exposed [Number Exposed] | 0 % [0] |
| Number of Days Fish Exposed | 0 |
| Run Dates | |
| First Day of Run | Jan 1 |
| 5% of Run passed | Jul 5 |
| 10% of Run passed | Jul 14 |
| 50% of Run passed | Aug 29 |
| 90% of Run passed | Sep 28 |
| 95% of Run passed | Oct 9 |
| Last Day of Run | Dec 31 |
| Date(s) When Tailrace TDG Percent Crosses 120 % | |
| Jun 4, Jun 9 | |
