Columbia Basin Performance Measures

PIT Tag Exposure Results

graph

PIT-Tagged Wild Spring/Summer Chinook 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 1 - Dec 13)
Total Number of Fish Observed223
Percent of Total Run Analyzed [Number Observed]100 % [223]
Tailrace TDG Percent Exposure Index115.93 %
Percent of Fish Exposed [Number Exposed]2.6 % [6]
Number of Days Fish Exposed4
Middle 80% of Run Period (Apr 15 - Jun 20)
Number of Fish Observed185
Percent of Middle 80% of Run Analyzed [Number Observed]100 % [185]
Tailrace TDG Percent Exposure Index116.6 %
Percent of Fish Exposed [Number Exposed]3.2 % [6]
Number of Days Fish Exposed4
Middle 50% of Run Period (Apr 18 - May 12)
Number of Fish Observed127
Percent of Middle 50% of Run Analyzed [Number Observed]100 % [127]
Tailrace TDG Percent Exposure Index116.23 %
Percent of Fish Exposed [Number Exposed]0 % [0]
Number of Days Fish Exposed0
Run Dates
First Day of RunApr 1
5% of Run passedApr 12
10% of Run passedApr 15
50% of Run passedApr 24
90% of Run passedJun 20
95% of Run passedJul 6
Last Day of RunDec 13
Date(s) When Tailrace TDG Percent Crosses 120 %
May 15, May 19, Jun 4, Jun 5, Jun 7, Jun 8, Jun 9, Jun 10