Columbia Basin Performance Measures

Adult Passage Exposure Results

graph

Adult Steelhead Query Parameters
Year2024
ProjectMcNary
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 17)
Total Number of Fish Observed174
Percent of Total Run Analyzed [Number Observed]100 % [174]
Tailrace TDG Percent Exposure Index114.46 %
Percent of Fish Exposed [Number Exposed]0.5 % [1]
Number of Days Fish Exposed1
Middle 80% of Run Period (Apr 2 - Apr 30)
Number of Fish Observed149
Percent of Middle 80% of Run Analyzed [Number Observed]100 % [149]
Tailrace TDG Percent Exposure Index114.44 %
Percent of Fish Exposed [Number Exposed]0 % [0]
Number of Days Fish Exposed0
Middle 50% of Run Period (Apr 6 - Apr 22)
Number of Fish Observed89
Percent of Middle 50% of Run Analyzed [Number Observed]100 % [89]
Tailrace TDG Percent Exposure Index114.74 %
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 12
90% of Run passedApr 30
95% of Run passedMay 2
Last Day of RunMay 17
Date(s) When Tailrace TDG Percent Crosses 120 %
May 15