US Army Corps of Engineers

Ice Harbor Dam

October 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 2777 116 53 16.70 17.60 15.30 1.50 438.60 438.83 339.14 99.69
2 2338 97 53 16.40 14.90 12.80 1.50 438.96 438.62 339.05 99.57
3 2739 114 53 16.20 17.30 15.10 1.50 438.70 438.82 339.35 99.47
4 2284 95 53 15.90 14.70 12.50 1.40 438.97 438.74 339.13 99.61
5 2785 116 54 16.80 17.40 15.30 1.50 438.83 438.95 339.06 99.89
6 3119 130 54 19.30 19.40 17.10 1.50 438.81 439.06 339.22 99.84
7 2714 113 54 17.80 20.20 14.90 4.50 438.24 438.76 339.24 99.52
8 2342 98 54 15.70 15.10 12.80 1.40 438.38 438.41 339.07 99.34
9 14.80 14.70 12.60 1.40 438.41 438.41 339.31 99.10
10 14.70 14.80 12.60 1.50 438.40 438.51 339.15 99.36
11 14.70 14.70 12.60 1.40 438.42 438.43 339.24 99.19
12 15.10 14.70 12.60 1.40 438.52 438.52 339.43 99.09
13 17.20 14.80 12.60 1.50 439.10 438.87 339.53 99.34
14 16.20 17.10 14.80 1.50 438.87 438.97 339.73 99.24
15 15.90 16.60 14.40 1.50 438.72 438.78 339.71 99.07
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1
TOT 21098  429        
AVG 2637 110 54 16.23 16.27 13.87 1.67 438.66 438.71 339.29 99.42
MAX 3119   19.30 20.20 17.10 4.50 439.10 439.06 339.73 99.89
MIN 2284   14.70 14.70 12.50 1.40 438.24 438.41 339.05 99.07