Columbia Basin Performance Measures

Adult Passage Exposure Results

graph

Adult Steelhead Query Parameters
Year2024
ProjectLittle Goose
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 Observed359
Percent of Total Run Analyzed [Number Observed]100 % [359]
Tailrace TDG Percent Exposure Index118.58 %
Percent of Fish Exposed [Number Exposed]18.1 % [65]
Number of Days Fish Exposed4
Middle 80% of Run Period (Apr 3 - Apr 26)
Number of Fish Observed295
Percent of Middle 80% of Run Analyzed [Number Observed]100 % [295]
Tailrace TDG Percent Exposure Index119.44 %
Percent of Fish Exposed [Number Exposed]22 % [65]
Number of Days Fish Exposed4
Middle 50% of Run Period (Apr 8 - Apr 19)
Number of Fish Observed188
Percent of Middle 50% of Run Analyzed [Number Observed]100 % [188]
Tailrace TDG Percent Exposure Index120.17 %
Percent of Fish Exposed [Number Exposed]34.5 % [65]
Number of Days Fish Exposed4
Run Dates
First Day of RunApr 1
5% of Run passedApr 2
10% of Run passedApr 3
50% of Run passedApr 14
90% of Run passedApr 26
95% of Run passedApr 28
Last Day of RunMay 1
Date(s) When Tailrace TDG Percent Crosses 120 %
Apr 13, Apr 17