Columbia Basin Performance Measures

Adult Passage Exposure Results

graph

Adult Steelhead Query Parameters
Year2018
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 (Mar 1 - Aug 13)
Total Number of Fish Observed3746
Percent of Total Run Analyzed [Number Observed]100 % [3746]
Tailrace TDG Percent Exposure Index111.99 %
Percent of Fish Exposed [Number Exposed]2.1 % [82]
Number of Days Fish Exposed18
Middle 80% of Run Period (Mar 23 - Aug 1)
Number of Fish Observed3034
Percent of Middle 80% of Run Analyzed [Number Observed]100 % [3034]
Tailrace TDG Percent Exposure Index112.79 %
Percent of Fish Exposed [Number Exposed]2.7 % [82]
Number of Days Fish Exposed18
Middle 50% of Run Period (Apr 11 - Jul 24)
Number of Fish Observed1892
Percent of Middle 50% of Run Analyzed [Number Observed]100 % [1892]
Tailrace TDG Percent Exposure Index113.31 %
Percent of Fish Exposed [Number Exposed]4.3 % [82]
Number of Days Fish Exposed18
Run Dates
First Day of RunMar 1
5% of Run passedMar 15
10% of Run passedMar 23
50% of Run passedJul 12
90% of Run passedAug 1
95% of Run passedAug 5
Last Day of RunAug 13
Date(s) When Tailrace TDG Percent Crosses 120 %
Apr 11, Apr 12, Apr 15, Apr 16, May 7, May 8, May 9, May 12, May 15, Jun 3