US Army Corps of Engineers

The Dalles Dam

January 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 27658 1152 48 191.60 190.30 189.20 0.00 158.64 158.28 77.86 80.42
2 28141 1173 48 192.60 190.00 189.00 0.00 159.15 159.08 77.26 81.82
3 28285 1179 48 189.30 191.00 190.00 0.00 158.81 158.99 77.19 81.80
4 27822 1159 48 191.30 187.60 186.60 0.00 159.46 159.18 77.30 81.88
5 28409 1184 48 188.10 191.30 190.30 0.00 158.89 159.24 77.26 81.98
6 28150 1173 48 191.30 194.50 193.40 0.00 158.31 158.10 77.66 80.44
7 28378 1182 48 198.70 196.30 195.20 0.00 158.80 158.72 78.12 80.60
8 27524 1147 48 187.30 191.00 189.90 0.00 158.07 158.46 78.24 80.22
9 27977 1166 48 199.20 195.20 194.20 0.00 158.76 158.20 78.24 79.96
10 29509 1230 48 202.20 204.20 203.10 0.00 158.38 158.89 77.97 80.92
11 28894 1204 48 203.30 201.50 200.50 0.00 158.75 158.37 78.07 80.30
12 29123 1213 48 202.50 203.00 201.90 0.00 158.66 158.63 78.34 80.29
13 27819 1159 48 195.40 192.70 191.60 0.00 159.15 159.07 78.64 80.43
14 27780 1158 48 189.00 196.40 195.30 0.00 157.80 158.51 79.51 79.00
15 26895 1121 48 196.90 189.90 188.90 0.00 159.07 158.46 79.38 79.08
16 28599 1192 48 203.70 202.80 201.80 0.00 159.28 158.96 79.95 79.01
17 208.10 206.30 205.30 0.00 159.58 159.41 79.40 80.01
18 202.80 203.80 202.80 0.00 159.47 159.42 78.39 81.03
19 201.30 206.80 205.80 0.00 158.37 159.08 78.16 80.92
20 202.90 199.30 198.20 0.00 159.02 158.36 78.74 79.62
21 197.30 198.60 197.50 0.00 158.81 158.86 78.82 80.04
22 209.10 209.60 208.50 0.00 158.74 159.08 79.23 79.85
23 200.70 206.70 205.70 0.00 157.57 158.35 79.68 78.67
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TOT450963  768        
AVG 28185 1174 48 197.59 197.77 196.73 0.00 158.76 158.77 78.41 80.36
MAX 29509   209.10 209.60 208.50 0.00 159.58 159.42 79.95 81.98
MIN 26895   187.30 187.60 186.60 0.00 157.57 158.10 77.19 78.67
BUILDING STRONG®