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 19.30 19.40 17.10 1.50 438.81 439.06 339.22 99.84
7 17.80 20.20 14.90 4.50 438.24 438.76 339.24 99.52
8 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
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1
TOT 12923  267        
AVG 2585 108 53 16.17 16.29 13.85 1.71 438.60 438.67 339.20 99.47
MAX 2785   19.30 20.20 17.10 4.50 438.97 439.06 339.43 99.89
MIN 2284   14.70 14.70 12.50 1.40 438.24 438.41 339.05 99.09