Columbia Basin Performance Measures

Adult Passage Exposure Results

graph

Adult Chinook Query Parameters
Year2024
ProjectLittle Goose
River ParameterTailrace TDG Percent
Critical Tailrace TDG Percent Value120 %
Calculate ExposureAbove Critical Value
River Parameter Data FillNo
Query Dates3/15 - 6/15
Total Run Period (Apr 5 - May 1)
Total Number of Fish Observed361
Percent of Total Run Analyzed [Number Observed]100 % [361]
Tailrace TDG Percent Exposure Index118.91 %
Percent of Fish Exposed [Number Exposed]2.2 % [8]
Number of Days Fish Exposed4
Middle 80% of Run Period (Apr 21 - May 1)
Number of Fish Observed326
Percent of Middle 80% of Run Analyzed [Number Observed]100 % [326]
Tailrace TDG Percent Exposure Index118.83 %
Percent of Fish Exposed [Number Exposed]0 % [0]
Number of Days Fish Exposed0
Middle 50% of Run Period (Apr 27 - Apr 30)
Number of Fish Observed188
Percent of Middle 50% of Run Analyzed [Number Observed]100 % [188]
Tailrace TDG Percent Exposure Index119.13 %
Percent of Fish Exposed [Number Exposed]0 % [0]
Number of Days Fish Exposed0
Run Dates
First Day of RunApr 5
5% of Run passedApr 19
10% of Run passedApr 21
50% of Run passedApr 30
90% of Run passedMay 1
95% of Run passedMay 1
Last Day of RunMay 1
Date(s) When Tailrace TDG Percent Crosses 120 %
Apr 13, Apr 17