US Army Corps of Engineers

The Dalles Dam

April 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 23951 998 48 223.10 225.50 170.30 49.80 158.99 158.84 80.24 78.60
2 23958 998 48 203.00 204.30 171.00 27.50 158.73 158.14 79.77 78.37
3 23988 1000 48 204.50 202.30 168.70 27.80 159.14 158.99 79.60 79.39
4 23991 1000 48 201.70 201.10 167.20 28.10 159.24 159.37 79.37 80.00
5 23963 998 48 205.30 206.00 166.10 34.20 159.20 159.41 79.08 80.33
6 23952 998 48 198.40 201.50 167.80 27.90 158.60 158.86 79.26 79.60
7 188.60 191.20 168.90 16.50 158.05 158.22 78.98 79.24
8 174.20 175.00 164.00 5.20 157.93 158.39 77.81 80.58
9 177.20 169.20 163.40 0.00 159.43 158.91 77.57 81.34
10 174.70 180.90 107.10 68.00 158.27 158.47 77.53 80.94
11 188.00 185.80 108.00 72.00 158.70 158.80 77.26 81.54
12 204.20 206.10 126.30 74.00 158.31 158.78 78.29 80.49
13 199.30 197.20 108.40 83.00 158.71 158.38 78.20 80.18
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TOT143803  288        
AVG 23967 999 48 195.55 195.85 150.55 39.54 158.72 158.74 78.69 80.05
MAX 23991   223.10 225.50 171.00 83.00 159.43 159.41 80.24 81.54
MIN 23951   174.20 169.20 107.10 0.00 157.93 158.14 77.26 78.37