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 - Oct 22)
Total Number of Fish Observed43354
Percent of Total Run Analyzed [Number Observed]100 % [43354]
Tailrace TDG Percent Exposure Index101.28 %
Percent of Fish Exposed [Number Exposed]0.2 % [95]
Number of Days Fish Exposed19
Middle 80% of Run Period (Aug 30 - Oct 14)
Number of Fish Observed35036
Percent of Middle 80% of Run Analyzed [Number Observed]100 % [35036]
Tailrace TDG Percent Exposure Index100.48 %
Percent of Fish Exposed [Number Exposed]0 % [0]
Number of Days Fish Exposed0
Middle 50% of Run Period (Sep 13 - Oct 5)
Number of Fish Observed23071
Percent of Middle 50% of Run Analyzed [Number Observed]100 % [23071]
Tailrace TDG Percent Exposure Index99.94 %
Percent of Fish Exposed [Number Exposed]0 % [0]
Number of Days Fish Exposed0
Run Dates
First Day of RunMar 1
5% of Run passedJul 14
10% of Run passedAug 30
50% of Run passedSep 24
90% of Run passedOct 14
95% of Run passedOct 17
Last Day of RunOct 22
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, Aug 23, Aug 24