US Army Corps of Engineers

Ice Harbor Dam

April 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 11241 468 62 90.40 91.30 65.90 24.60 438.83 439.06 344.96 94.10
2 11277 470 61 74.80 77.40 66.20 10.40 438.21 438.35 344.24 94.11
3 2241 93 59 78.40 81.00 13.00 67.50 437.59 438.10 343.51 94.59
4 2232 93 59 74.10 73.80 12.90 60.20 437.65 437.56 342.90 94.66
5 2248 94 59 70.90 70.30 12.90 56.80 437.80 437.71 342.66 95.05
6 2249 94 58 69.10 68.60 12.90 55.00 437.93 437.83 342.27 95.56
7 2248 94 58 69.30 69.70 12.90 56.00 437.82 437.86 342.39 95.47
8 2248 94 58 71.20 72.30 12.90 58.80 437.58 437.87 342.57 95.30
9 2146 89 58 77.00 76.20 12.40 63.20 437.76 437.80 342.82 94.98
10 2241 93 57 81.20 80.10 13.00 66.30 438.02 437.87 343.28 94.59
11 2247 94 57 79.40 81.70 13.00 67.90 437.47 437.78 343.52 94.26
12 2243 93 53 90.40 87.90 13.00 74.30 438.08 438.03 344.00 94.03
13 2235 93 49 87.70 88.40 13.00 74.70 437.92 437.96 343.95 94.01
14 2243 93 55 91.80 92.00 13.10 78.10 437.88 437.98 344.19 93.79
15 2242 93 54 87.60 87.90 13.00 74.30 437.81 437.83 343.88 93.95
16 2251 94 56 90.30 90.00 13.10 76.00 437.88 437.82 344.05 93.77
17 2247 94 57 89.40 91.20 13.10 77.30 437.46 437.70 344.10 93.60
18 2247 94 55 88.10 86.00 13.00 72.40 437.98 437.76 343.62 94.14
19 2249 94 55 84.20 85.60 13.10 71.90 437.63 437.74 343.70 94.04
20 2248 94 55 80.40 81.20 13.00 67.50 437.43 437.49 343.34 94.15
21 2249 94 56 77.40 77.50 13.00 63.80 437.41 437.45 342.95 94.50
22 2247 94 57 70.00 68.80 12.90 55.10 437.69 437.59 342.19 95.40
23 2248 94 56 72.20 71.00 12.90 57.30 437.99 437.89 342.28 95.61
24 2244 94 57 65.60 66.90 12.80 53.30 437.68 438.03 342.06 95.97
25 2250 94 56 66.70 65.80 12.80 52.00 437.88 438.06 341.90 96.16
26 2247 94 56 64.80 64.30 12.80 51.00 438.00 438.08 341.75 96.33
27 2245 94 56 62.40 62.70 12.80 49.20 437.95 437.92 341.59 96.33
28 2238 93 56 73.30 72.90 12.80 59.50 438.03 438.19 342.49 95.70
29 2231 93 56 82.60 82.60 12.90 68.90 438.04 438.10 343.47 94.63
30 2240 93 56 83.40 83.70 13.00 69.80 437.97 438.00 343.50 94.50
TOT 85260  1697        
AVG 2842 118 57 78.14 78.29 16.47 61.10 437.85 437.91 343.14 94.78
MAX 11277   91.80 92.00 66.20 78.10 438.83 439.06 344.96 96.33
MIN 2146   62.40 62.70 12.40 10.40 437.41 437.45 341.59 93.60
BUILDING STRONG®