Columbia Basin Performance Measures

Adult Passage Exposure Results

graph

Adult Steelhead Query Parameters
Year2024
ProjectThe Dalles
River ParameterTailrace TDG Percent
Critical Tailrace TDG Percent Value120 %
Calculate ExposureAbove Critical Value
River Parameter Data FillNo
Query Dates1/1 - 12/31
Total Run Period (Apr 1 - May 1)
Total Number of Fish Observed86
Percent of Total Run Analyzed [Number Observed]100 % [86]
Tailrace TDG Percent Exposure Index112.21 %
Percent of Fish Exposed [Number Exposed]0 % [0]
Number of Days Fish Exposed0
Middle 80% of Run Period (Apr 2 - Apr 26)
Number of Fish Observed73
Percent of Middle 80% of Run Analyzed [Number Observed]100 % [73]
Tailrace TDG Percent Exposure Index112.08 %
Percent of Fish Exposed [Number Exposed]0 % [0]
Number of Days Fish Exposed0
Middle 50% of Run Period (Apr 5 - Apr 19)
Number of Fish Observed46
Percent of Middle 50% of Run Analyzed [Number Observed]100 % [46]
Tailrace TDG Percent Exposure Index112.1 %
Percent of Fish Exposed [Number Exposed]0 % [0]
Number of Days Fish Exposed0
Run Dates
First Day of RunApr 1
5% of Run passedApr 1
10% of Run passedApr 2
50% of Run passedApr 13
90% of Run passedApr 26
95% of Run passedApr 29
Last Day of RunMay 1