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 - Jun 21)
Total Number of Fish Observed1372
Percent of Total Run Analyzed [Number Observed]100 % [1372]
Tailrace TDG Percent Exposure Index112.24 %
Percent of Fish Exposed [Number Exposed]5.9 % [82]
Number of Days Fish Exposed18
Middle 80% of Run Period (Mar 14 - May 3)
Number of Fish Observed1107
Percent of Middle 80% of Run Analyzed [Number Observed]100 % [1107]
Tailrace TDG Percent Exposure Index112.56 %
Percent of Fish Exposed [Number Exposed]3.7 % [41]
Number of Days Fish Exposed2
Middle 50% of Run Period (Mar 22 - Apr 16)
Number of Fish Observed697
Percent of Middle 50% of Run Analyzed [Number Observed]100 % [697]
Tailrace TDG Percent Exposure Index112.47 %
Percent of Fish Exposed [Number Exposed]5.8 % [41]
Number of Days Fish Exposed2
Run Dates
First Day of RunMar 1
5% of Run passedMar 10
10% of Run passedMar 14
50% of Run passedApr 3
90% of Run passedMay 3
95% of Run passedJun 7
Last Day of RunJun 21
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