US Army Corps of Engineers

Rock Island Dam & Reservoir

August 2021

Day of MonthTotal Generation MWhAverage Generation MWStation Use MWhInflow kcfsTotal Outflow kcfsGeneration Flow kcfsSpill kcfsMidnight Reservoir ElevationAverage Forebay ElevationAverage Tailwater ElevationAverage Head feet
1 106.39 109.18 80.90 28.28 612.42 612.47 570.59 41.88
2 90.44 92.27 71.13 21.15 611.43 611.51 569.27 42.24
3 103.06 104.07 83.98 20.09 610.99 611.54 568.31 43.23
4 100.49 97.41 77.66 19.75 612.28 611.26 568.57 42.69
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31
TOT           
AVG    100.09 100.73 78.42 22.32 611.78 611.69 569.19 42.51
MAX    106.39 109.18 83.98 28.28 612.42 612.47 570.59 43.23
MIN    90.44 92.27 71.13 19.75 610.99 611.26 568.31 41.88