US Army Corps of Engineers

Rock Island Dam & Reservoir

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 6541 273 0 124.12 122.93 96.20 26.73 611.58 611.33 571.09 40.24
2 6053 252 0 120.83 117.82 90.94 26.88 610.92 611.08 571.25 39.83
3 7282 303 0 141.71 138.22 111.31 26.91 611.58 611.39 572.98 38.41
4 7149 298 0 132.69 134.02 109.47 24.55 611.56 611.88 573.01 38.87
5 5161 215 0 104.20 101.34 76.82 24.52 611.44 611.39 570.68 40.71
6 6420 268 0 123.56 121.83 97.00 24.83 611.15 611.52 572.32 39.20
7 6178 257 0 119.49 118.83 93.65 25.18 611.88 611.53 572.10 39.43
8 6116 255 0 117.77 116.56 89.60 26.96 611.65 611.82 571.15 40.67
9 5836 243 0 109.27 108.54 83.19 25.35 611.09 611.83 570.27 41.56
10 5625 234 0 106.35 104.56 81.33 23.23 612.19 611.46 570.48 40.98
11 6547 273 0 120.41 119.27 96.85 22.42 611.03 611.73 570.73 41.00
12 5992 250 0 114.48 112.56 89.32 23.24 611.40 611.52 571.32 40.20
13 6149 256 0 113.24 112.71 91.50 21.21 611.31 611.26 570.64 40.62
14 6559 273 0 117.70 117.27 96.21 21.06 611.83 611.71 571.79 39.92
15 6541 273 0 125.72 125.58 99.59 25.99 611.04 611.31 571.53 39.78
16 6987 291 0 136.18 133.52 108.03 25.49 612.27 611.60 572.41 39.19
17 6576 274 0 123.86 125.43 100.09 25.34 611.42 611.69 572.38 39.31
18 6697 279 0 123.73 124.69 99.97 24.72 611.34 611.48 571.48 40.00
19 108.40 107.64 83.51 24.13 611.75 611.58 570.04 41.54
20 100.99 95.90 72.03 23.87 611.66 611.40 568.49 42.91
21 104.45 102.82 81.42 21.40 611.52 611.80 569.02 42.78
22 111.44 108.82 84.31 24.51 612.07 611.43 569.80 41.63
23 105.45 101.47 78.17 23.30 612.25 611.40 569.16 42.24
24 103.07 103.91 82.65 21.26 611.79 611.87 569.13 42.74
25 104.24 105.03 83.67 21.35 610.77 611.82 570.53 41.29
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TOT114409  0        
AVG 6356 265 0 116.53 115.25 91.07 24.18 611.54 611.55 570.95 40.60
MAX 7282   141.71 138.22 111.31 26.96 612.27 611.88 573.01 42.91
MIN 5161   100.99 95.90 72.03 21.06 610.77 611.08 568.49 38.41