US Army Corps of Engineers

Ice Harbor Dam

June 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 2262 94 53 66.90 67.50 12.90 54.10 437.64 437.68 342.01 95.67
2 2264 94 53 60.30 59.40 12.80 45.90 437.84 437.82 341.44 96.38
3 2258 94 53 53.40 55.10 12.80 41.80 437.44 437.69 341.25 96.44
4 2257 94 53 52.50 51.20 12.80 37.80 437.76 437.65 341.31 96.34
5 2260 94 52 48.70 49.70 12.90 36.30 437.51 437.66 341.73 95.93
6 48.50 48.40 12.80 35.00 437.53 437.43 341.10 96.33
7 54.10 52.00 12.80 38.40 438.05 438.07 341.23 96.84
8 51.20 53.30 12.80 39.80 437.54 437.76 341.23 96.53
9 51.00 50.90 12.80 37.40 437.58 437.44 341.36 96.08
10 50.60 48.40 12.90 34.90 438.08 437.82 341.22 96.60
11 51.30 51.60 12.70 38.10 438.01 438.19 341.21 96.98
12 46.60 47.40 12.30 34.30 437.81 437.88 340.70 97.18
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TOT 11302  265        
AVG 2260 94 53 52.93 52.91 12.77 39.48 437.73 437.76 341.32 96.44
MAX 2264   66.90 67.50 12.90 54.10 438.08 438.19 342.01 97.18
MIN 2257   46.60 47.40 12.30 34.30 437.44 437.43 340.70 95.67