US Army Corps of Engineers

Ice Harbor Dam

June 2025

Day of MonthTotal Generation MWhAverage Generation MWStation Use MWhInflow kcfsTotal Outflow kcfsGeneration Flow kcfsSpill kcfsMidnight Reservoir ElevationAverage Forebay ElevationAverage Tailwater ElevationAverage Head feet
1 2231 93 53 102.30 100.70 13.10 86.90 438.26 438.06 344.95 93.11
2 2240 93 54 93.00 93.90 13.10 80.20 438.04 438.09 344.26 93.83
3 2242 93 55 83.90 82.80 13.00 69.20 438.29 438.05 343.34 94.71
4 2238 93 54 75.60 77.20 12.90 63.70 437.91 437.94 342.82 95.12
5 2226 93 56 69.60 67.90 12.70 54.50 438.32 438.03 342.06 95.97
6 2218 92 55 65.80 66.90 12.70 53.70 438.06 438.00 341.94 96.06
7 2226 93 55 61.20 61.30 12.70 47.80 438.03 437.87 341.50 96.37
8 2242 93 55 60.50 62.70 12.80 49.40 437.52 437.79 341.59 96.20
9 2237 93 56 67.20 64.60 12.80 51.20 438.13 437.76 341.67 96.09
10 2207 92 56 66.70 67.50 12.60 54.30 437.79 437.94 341.91 96.03
11 2209 92 55 68.10 66.20 12.60 52.90 438.23 438.04 342.09 95.95
12 2206 92 55 64.40 65.80 12.60 52.40 437.88 437.95 341.92 96.03
13 2220 92 55 64.40 63.30 12.60 50.10 438.13 438.10 341.76 96.34
14 2225 93 54 58.40 60.00 12.70 46.40 437.76 437.88 341.68 96.20
15 2222 93 55 55.80 54.10 12.60 40.80 438.15 437.97 341.14 96.83
16 2229 93 55 47.80 48.70 12.60 35.50 437.92 437.88 340.51 97.37
17 2232 93 55 46.10 46.50 12.50 33.20 437.82 437.91 340.30 97.61
18 2229 93 55 43.40 44.00 12.50 30.80 437.67 437.89 340.22 97.67
19 2236 93 54 42.30 41.10 12.50 27.80 437.95 437.92 339.85 98.07
20 2232 93 55 37.50 38.40 12.50 25.20 437.74 437.81 339.85 97.96
21 4258 177 56 37.30 35.10 24.00 10.40 438.29 437.76 339.89 97.87
22 5105 213 55 39.50 42.30 29.00 12.50 437.61 437.76 340.44 97.32
23 5079 212 55 42.20 42.70 29.00 13.10 437.48 437.79 340.58 97.21
24 4917 205 55 41.90 41.30 28.00 12.40 437.62 437.72 340.42 97.30
25 4291 179 55 37.40 36.00 24.30 10.90 437.96 437.77 340.18 97.59
26 4398 183 55 37.00 36.40 24.90 10.90 438.10 437.92 340.20 97.72
27 4914 205 55 41.00 40.80 27.90 12.20 438.15 437.93 340.58 97.35
28 4857 202 55 37.80 39.90 27.40 11.80 437.63 437.96 340.21 97.75
29 4565 190 55 37.60 37.50 25.80 11.10 437.65 437.59 340.07 97.52
30 4857 202 56 41.50 40.20 27.60 12.00 437.97 437.60 340.40 97.20
TOT 91785  1651        
AVG 3060 127 55 55.57 55.53 17.40 37.44 437.94 437.89 341.28 96.61
MAX 5105   102.30 100.70 29.00 86.90 438.32 438.10 344.95 98.07
MIN 2206   37.00 35.10 12.50 10.40 437.48 437.59 339.85 93.11
BUILDING STRONG®