US Army Corps of Engineers

Rock Island Dam & Reservoir

February 2020

Day of MonthTotal Generation MWhAverage Generation MWStation Use MWhInflow kcfsTotal Outflow kcfsGeneration Flow kcfsSpill kcfsMidnight Reservoir ElevationAverage Forebay ElevationAverage Tailwater ElevationAverage Head feet
1 5811 242 0 73.74 75.99 75.99 0.00 612.56 612.04 568.16 43.88
2 7772 324 0 108.40 115.54 109.35 6.19 611.61 612.25 570.83 41.42
3 8424 351 0 124.53 127.76 127.76 0.00 612.63 611.91 573.53 38.38
4 8445 352 0 123.20 128.48 128.48 0.00 612.70 611.91 573.57 38.34
5 8392 350 0 119.22 124.84 124.69 0.15 612.57 612.32 573.16 39.16
6 8249 344 0 128.25 132.14 125.57 6.57 612.81 612.09 573.71 38.38
7 8746 364 0 123.86 130.57 130.56 0.01 612.59 612.58 573.61 38.97
8 7152 298 0 98.48 104.23 104.23 0.00 612.83 612.30 572.74 39.56
9 8092 337 0 114.72 120.92 120.92 0.00 611.97 611.95 573.12 38.83
10 8330 347 0 117.89 122.15 122.15 0.00 612.64 612.24 572.63 39.61
11 107.21 113.81 113.81 0.00 611.07 612.06 570.72 41.34
12 117.52 120.25 118.30 1.95 612.47 612.25 570.35 41.90
13 128.06 133.60 133.32 0.28 612.27 612.38 571.26 41.12
14 137.87 140.95 140.41 0.53 612.51 612.58 573.00 39.58
15 128.32 134.54 134.54 0.00 612.08 612.24 573.41 38.83
16 123.90 126.43 121.10 5.33 612.86 612.34 573.21 39.13
17 140.09 145.50 136.43 9.07 612.63 612.63 573.99 38.64
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TOT 79413  0        
AVG 7941 331 0 118.54 123.39 121.62 1.77 612.40 612.24 572.41 39.83
MAX 8746   140.09 145.50 140.41 9.07 612.86 612.63 573.99 43.88
MIN 5811   73.74 75.99 75.99 0.00 611.07 611.91 568.16 38.34