US Army Corps of Engineers

Ice Harbor Dam

November 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 2401 100 57 17.20 14.70 12.60 1.40 439.31 438.79 339.12 99.67
2 2674 111 54 15.40 16.90 14.70 1.60 438.96 438.96 339.36 99.60
3 2695 112 55 18.00 17.00 14.80 1.50 439.20 438.81 339.19 99.62
4 2812 117 59 16.50 17.60 15.50 1.60 438.91 438.86 339.02 99.84
5 17.20 17.40 15.00 1.50 438.89 438.94 339.11 99.83
6 16.30 16.70 14.50 1.50 438.78 438.79 338.60 100.19
7 14.70 16.60 14.50 1.50 438.34 438.70 338.65 100.05
8 16.60 14.60 12.50 1.40 438.81 438.61 338.63 99.98
9 18.40 18.00 15.90 1.50 438.89 438.93 338.63 100.30
10 17.10 17.20 14.90 1.50 438.88 439.04 338.84 100.20
11 16.30 17.70 15.50 1.50 438.58 438.90 338.91 99.99
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TOT 10583  226        
AVG 2646 110 57 16.70 16.76 14.58 1.50 438.87 438.85 338.91 99.93
MAX 2812   18.40 18.00 15.90 1.60 439.31 439.04 339.36 100.30
MIN 2401   14.70 14.60 12.50 1.40 438.34 438.61 338.60 99.60