US Army Corps of Engineers

Wanapum Dam & Lake

July 2024

Day of MonthTotal Generation MWhAverage Generation MWStation Use MWhInflow kcfsTotal Outflow kcfsGeneration Flow kcfsSpill kcfsMidnight Reservoir ElevationAverage Forebay ElevationAverage Tailwater ElevationAverage Head feet
1 16343 681 18 129.70 140.20 119.80 18.40 568.11 568.00 491.62 76.38
2 12720 530 19 125.60 111.50 90.60 18.90 570.06 568.70 490.18 78.52
3 17358 723 18 145.60 147.10 125.50 19.60 569.86 569.81 492.35 77.46
4 16148 673 19 140.70 136.70 114.80 19.90 570.39 570.26 491.81 78.45
5 13260 552 19 111.30 115.50 94.80 18.80 569.81 568.51 490.34 78.17
6 14330 597 20 127.60 122.80 101.10 19.70 570.47 569.95 490.77 79.18
7 15105 629 19 126.00 129.10 107.50 19.60 570.05 569.70 491.22 78.48
8 15275 636 19 121.20 131.20 110.30 18.90 568.67 568.74 491.21 77.53
9 13298 554 20 55.30 115.40 95.00 18.40 568.84 568.01 490.16 77.85
10 13803 575 20 111.40 119.10 98.50 18.60 567.77 568.35 490.12 78.23
11 12452 519 21 125.60 109.60 89.30 18.30 569.98 567.98 490.05 77.93
12 15011 625 21 118.10 129.10 108.10 19.00 568.46 568.87 491.36 77.51
13 12953 540 21 119.00 113.20 92.80 18.40 569.26 568.06 490.37 77.69
14 14346 598 21 121.60 123.40 102.10 19.40 569.00 569.42 491.02 78.40
15 14525 605 20 130.10 124.90 104.00 18.90 569.75 568.76 490.96 77.80
16 16219 676 25 140.40 137.90 116.60 19.30 570.10 569.34 491.72 77.62
17 15664 653 20 129.70 133.00 111.30 19.70 569.65 569.85 491.52 78.33
18 16235 676 23 130.70 138.30 117.50 18.80 568.59 568.61 491.69 76.92
19 114.50 127.00 106.90 18.10 566.86 567.55 490.95 76.60
20 103.80 109.30 90.30 17.00 566.10 566.02 489.78 76.24
21 110.00 99.20 79.90 17.30 567.60 566.50 489.23 77.27
22 117.00 110.10 90.20 17.80 568.57 567.22 489.94 77.28
23 109.90 125.00 105.70 17.40 566.46 566.48 490.73 75.75
24 108.60 96.90 77.50 17.50 568.11 566.67 489.13 77.54
25 108.30 100.60 79.80 18.70 569.18 568.52 489.58 78.94
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TOT265045  363        
AVG 14725 614 20 119.27 121.84 101.20 18.66 568.87 568.40 490.71 77.68
MAX 17358   145.60 147.10 125.50 19.90 570.47 570.26 492.35 79.18
MIN 12452   55.30 96.90 77.50 17.00 566.10 566.02 489.13 75.75
BUILDING STRONG®