US Army Corps of Engineers

Wanapum Dam & Lake

June 2023

Day of MonthTotal Generation MWhAverage Generation MWStation Use MWhInflow kcfsTotal Outflow kcfsGeneration Flow kcfsSpill kcfsMidnight Reservoir ElevationAverage Forebay ElevationAverage Tailwater ElevationAverage Head feet
1 13040 543 17 133.90 114.90 94.80 18.00 569.03 567.54 490.20 77.34
2 108.20 124.70 105.00 17.70 566.73 566.99 490.63 76.36
3 124.10 111.90 91.20 18.70 568.44 568.45 489.61 78.84
4 116.30 108.30 86.10 20.20 569.55 568.97 489.30 79.67
5 123.20 126.60 105.30 19.30 569.08 569.29 490.73 78.56
6 121.40 125.90 105.30 18.60 568.45 568.35 490.34 78.01
7 129.00 125.20 104.20 19.00 568.98 568.91 490.56 78.35
8 119.00 121.50 100.30 19.20 568.63 569.21 490.32 78.89
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TOT 13040  17        
AVG 13040 543 17 121.89 119.88 99.03 18.84 568.61 568.46 490.21 78.25
MAX 13040   133.90 126.60 105.30 20.20 569.55 569.29 490.73 79.67
MIN 13040   108.20 108.30 86.10 17.70 566.73 566.99 489.30 76.36