Columbia Basin Performance Measures

PIT Tag Exposure Results

graph

PIT-Tagged Wild Summer 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 (Apr 3 - May 17)
Total Number of Fish Observed130
Percent of Total Run Analyzed [Number Observed]100 % [130]
Tailrace TDG Percent Exposure Index116.55 %
Percent of Fish Exposed [Number Exposed]5.3 % [7]
Number of Days Fish Exposed3
Middle 80% of Run Period (Apr 18 - May 13)
Number of Fish Observed110
Percent of Middle 80% of Run Analyzed [Number Observed]100 % [110]
Tailrace TDG Percent Exposure Index116.21 %
Percent of Fish Exposed [Number Exposed]0 % [0]
Number of Days Fish Exposed0
Middle 50% of Run Period (Apr 24 - May 9)
Number of Fish Observed78
Percent of Middle 50% of Run Analyzed [Number Observed]100 % [78]
Tailrace TDG Percent Exposure Index116.08 %
Percent of Fish Exposed [Number Exposed]0 % [0]
Number of Days Fish Exposed0
Run Dates
First Day of RunApr 3
5% of Run passedApr 16
10% of Run passedApr 18
50% of Run passedMay 2
90% of Run passedMay 13
95% of Run passedMay 15
Last Day of RunMay 17
Date(s) When Tailrace TDG Percent Crosses 120 %
May 15