US Army Corps of Engineers

Wanapum Dam & Lake

January 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 16111 671 22 119.90 114.00 113.30 0.00 570.33 570.33 490.91 79.42
2 15893 662 23 108.60 114.20 113.40 0.00 569.57 569.28 490.66 78.62
3 15128 630 23 102.00 108.60 107.90 0.00 568.58 568.95 490.17 78.78
4 10794 450 23 70.30 86.00 78.20 7.10 566.60 567.40 488.57 78.83
5 8571 357 23 70.00 68.00 61.50 5.80 566.89 567.13 487.65 79.48
6 100.70 93.40 92.10 0.00 568.00 567.01 489.09 77.92
7 97.20 95.40 94.70 0.00 568.25 568.03 489.66 78.37
8 71.10 91.60 90.90 0.00 565.37 566.66 489.28 77.38
9 80.10 77.00 74.50 1.80 565.80 564.70 487.85 76.85
10 81.50 71.60 67.90 3.00 567.20 565.99 487.23 78.76
11 75.70 77.50 69.70 7.10 566.94 567.02 487.42 79.60
12 83.10 82.20 81.50 0.00 567.07 567.89 489.11 78.78
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TOT 66497  114        
AVG 13299 554 23 88.35 89.96 87.13 2.07 567.55 567.53 488.97 78.57
MAX 16111   119.90 114.20 113.40 7.10 570.33 570.33 490.91 79.60
MIN 8571   70.00 68.00 61.50 0.00 565.37 564.70 487.23 76.85