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 11953 498 23 100.70 93.40 92.10 0.00 568.00 567.01 489.09 77.92
7 12923 538 24 97.20 95.40 94.70 0.00 568.25 568.03 489.66 78.37
8 12342 514 24 71.10 91.60 90.90 0.00 565.37 566.66 489.28 77.38
9 10102 421 25 80.10 77.00 74.50 1.80 565.80 564.70 487.85 76.85
10 9416 392 24 81.50 71.60 67.90 3.00 567.20 565.99 487.23 78.76
11 9841 410 22 75.70 77.50 69.70 7.10 566.94 567.02 487.42 79.60
12 11391 475 23 83.10 82.20 81.50 0.00 567.07 567.89 489.11 78.78
13 12714 530 25 107.30 91.40 90.70 0.00 569.28 568.51 489.28 79.23
14 13693 571 25 97.20 98.20 97.40 0.10 569.15 568.52 489.71 78.81
15 12800 533 24 93.10 91.30 90.60 0.00 569.39 568.96 489.33 79.63
16 11945 498 24 90.10 84.40 83.70 0.00 570.18 569.51 489.08 80.43
17 13765 574 23 94.50 97.80 97.10 0.00 569.72 569.99 489.82 80.17
18 13458 561 25 91.30 97.70 97.00 0.00 568.83 569.04 489.64 79.40
19 12391 516 24 90.80 89.10 88.40 0.00 569.06 569.22 488.75 80.47
20 15747 656 22 114.00 114.00 113.30 0.00 569.06 568.82 490.70 78.12
21 108.00 109.70 110.30 0.00 568.88 569.09 490.21 78.88
22 105.30 114.40 113.70 0.00 567.61 568.27 490.39 77.88
23 102.20 103.70 103.00 0.00 567.40 567.64 490.18 77.46
24 101.20 96.30 95.60 0.00 568.07 567.92 489.69 78.23
25 93.70 102.50 101.80 0.00 566.85 566.64 489.79 76.85
26 85.80 82.50 81.80 0.00 567.31 567.02 488.94 78.08
27 104.20 96.90 96.20 0.00 568.33 567.80 489.81 77.99
28
29
30
31
TOT250978  471        
AVG 12549 523 24 94.03 94.42 92.82 0.92 568.14 568.05 489.37 78.68
MAX 16111   119.90 114.40 113.70 7.10 570.33 570.33 490.91 80.47
MIN 8571   70.00 68.00 61.50 0.00 565.37 564.70 487.23 76.85
BUILDING STRONG®