US Army Corps of Engineers

Rock Island Dam & Reservoir

April 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 5105 213 0 72.55 79.34 79.17 0.17 611.39 611.46 571.65 39.81
2 4481 187 0 61.51 64.00 63.99 0.01 611.00 611.45 569.66 41.79
3 2497 104 0 44.92 41.69 35.41 6.28 611.67 611.04 568.97 42.07
4 5857 244 0 100.52 101.34 86.53 14.81 611.72 612.01 570.61 41.40
5 3978 166 0 63.53 64.02 57.18 6.85 611.52 611.37 570.35 41.02
6 3693 154 0 58.21 57.96 50.99 6.97 611.58 611.69 568.65 43.04
7 3133 131 0 50.22 47.59 40.99 6.60 612.06 611.64 567.00 44.64
8 4862 203 0 73.46 74.11 66.51 7.60 612.06 611.64 568.20 43.44
9 4059 169 0 63.28 61.47 54.74 6.73 611.72 611.86 568.57 43.29
10 107.09 109.45 99.03 10.43 612.12 611.56 570.69 40.87
11 88.95 91.30 82.76 8.53 611.86 611.76 569.66 42.10
12 86.87 86.12 77.30 8.83 611.79 611.83 569.37 42.46
13 99.75 105.65 97.52 8.13 610.73 611.87 571.25 40.62
14 67.41 68.79 62.17 6.61 611.05 610.85 570.15 40.70
15 65.24 60.53 52.97 7.56 612.31 611.73 568.56 43.17
16 88.40 88.85 76.20 12.65 612.09 612.06 570.16 41.90
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TOT 37665  0        
AVG 4185 174 0 74.49 75.14 67.72 7.42 611.67 611.61 569.59 42.02
MAX 5857   107.09 109.45 99.03 14.81 612.31 612.06 571.65 44.64
MIN 2497   44.92 41.69 35.41 0.01 610.73 610.85 567.00 39.81