Columbia Basin Performance Measures
PIT Tag Exposure Results
| Year | 2025 |
|---|---|
| Project | Lower Monumental |
| 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 Number of Fish Observed | 198 |
|---|---|
| Percent of Total Run Analyzed [Number Observed] | 100 % [198] |
| Tailrace TDG Percent Exposure Index | 119.01 % |
| Percent of Fish Exposed [Number Exposed] | 46.9 % [93] |
| Number of Days Fish Exposed | 18 |
| Number of Fish Observed | 164 |
|---|---|
| Percent of Middle 80% of Run Analyzed [Number Observed] | 100 % [164] |
| Tailrace TDG Percent Exposure Index | 119.79 % |
| Percent of Fish Exposed [Number Exposed] | 56 % [92] |
| Number of Days Fish Exposed | 17 |
| Number of Fish Observed | 106 |
|---|---|
| Percent of Middle 50% of Run Analyzed [Number Observed] | 100 % [106] |
| Tailrace TDG Percent Exposure Index | 119.81 % |
| Percent of Fish Exposed [Number Exposed] | 52.8 % [56] |
| Number of Days Fish Exposed | 9 |
| First Day of Run | |
|---|---|
| 5% of Run passed | |
| 10% of Run passed | |
| 50% of Run passed | |
| 90% of Run passed | |
| 95% of Run passed | |
| Last Day of Run |