US Army Corps of Engineers

Ice Harbor Dam

July 2026

Day of MonthTotal Generation MWhAverage Generation MWStation Use MWhInflow kcfsTotal Outflow kcfsGeneration Flow kcfsSpill kcfsMidnight Reservoir ElevationAverage Forebay ElevationAverage Tailwater ElevationAverage Head feet
1 5321 222 53 44.30 44.70 30.20 13.90 438.05 438.12 340.80 97.32
2 4934 206 53 43.10 42.20 28.00 13.50 438.27 438.01 340.81 97.20
3 4767 199 53 38.60 39.90 27.10 12.30 437.94 437.86 340.76 97.10
4 35.60 35.00 21.90 12.50 438.08 437.95 340.23 97.72
5 35.00 34.60 23.50 10.50 438.20 438.01 340.38 97.63
6 35.20 35.40 24.30 10.50 438.14 438.14 340.35 97.79
7 35.90 37.50 26.50 10.50 437.75 438.04 340.55 97.49
8 35.60 35.00 24.00 10.50 437.90 438.14 340.33 97.81
9 32.40 32.20 21.10 10.40 437.97 438.10 340.02 98.08
10 33.00 33.40 22.80 10.00 437.88 438.03 339.87 98.16
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TOT 15021  159        
AVG 5007 209 53 36.87 36.99 24.94 11.46 438.02 438.04 340.41 97.63
MAX 5321   44.30 44.70 30.20 13.90 438.27 438.14 340.81 98.16
MIN 4767   32.40 32.20 21.10 10.00 437.75 437.86 339.87 97.10