Columbia Basin Performance Measures

Adult Passage Exposure Results

graph

Adult Steelhead Query Parameters
Year2024
ProjectIce Harbor
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 (Jan 1 - Oct 31)
Total Number of Fish Observed105565
Percent of Total Run Analyzed [Number Observed]100 % [105565]
Tailrace TDG Percent Exposure Index104.86 %
Percent of Fish Exposed [Number Exposed]0 % [2]
Number of Days Fish Exposed1
Middle 80% of Run Period (Aug 31 - Oct 13)
Number of Fish Observed84866
Percent of Middle 80% of Run Analyzed [Number Observed]100 % [84866]
Tailrace TDG Percent Exposure Index104.61 %
Percent of Fish Exposed [Number Exposed]0 % [0]
Number of Days Fish Exposed0
Middle 50% of Run Period (Sep 11 - Oct 1)
Number of Fish Observed52966
Percent of Middle 50% of Run Analyzed [Number Observed]100 % [52966]
Tailrace TDG Percent Exposure Index104.27 %
Percent of Fish Exposed [Number Exposed]0 % [0]
Number of Days Fish Exposed0
Run Dates
First Day of RunJan 1
5% of Run passedAug 6
10% of Run passedAug 31
50% of Run passedSep 22
90% of Run passedOct 13
95% of Run passedOct 20
Last Day of RunOct 31
Date(s) When Tailrace TDG Percent Crosses 120 %
May 15, May 19, Jun 4, Jun 5, Jun 7, Jun 8, Jun 9, Jun 10