US Army Corps of Engineers

The Dalles Dam

February 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 25113 1046 48 171.60 170.00 168.80 0.00 158.82 159.28 77.73 81.55
2 24268 1011 48 165.70 165.50 163.70 0.00 158.85 158.90 77.67 81.23
3 24308 1013 48 161.90 166.00 163.90 0.00 158.09 158.96 77.61 81.35
4 22845 952 48 162.50 154.90 152.80 0.00 159.48 158.59 76.78 81.81
5 25754 1073 48 169.60 173.20 171.10 0.00 158.85 159.33 76.76 82.57
6 24945 1039 48 168.80 169.10 167.00 0.00 158.80 158.98 77.12 81.86
7 161.70 161.30 159.20 0.00 158.87 158.95 76.70 82.25
8 163.50 163.70 161.60 0.00 158.79 158.90 76.37 82.53
9 151.00 154.60 153.50 0.00 158.14 158.41 76.82 81.59
10 152.80 148.90 148.30 0.00 158.84 158.74 77.02 81.72
11 154.30 153.40 152.80 0.00 159.03 158.84 76.52 82.32
12 169.20 168.70 168.10 0.00 159.08 158.61 77.47 81.14
13 167.10 166.50 165.90 0.00 159.22 159.09 77.43 81.66
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TOT147233  288        
AVG 24539 1022 48 163.05 162.75 161.28 0.00 158.84 158.89 77.08 81.81
MAX 25754   171.60 173.20 171.10 0.00 159.48 159.33 77.73 82.57
MIN 22845   151.00 148.90 148.30 0.00 158.09 158.41 76.37 81.14