US Army Corps of Engineers

Rock Island Dam & Reservoir

January 2022

Day of MonthTotal Generation MWhAverage Generation MWStation Use MWhInflow kcfsTotal Outflow kcfsGeneration Flow kcfsSpill kcfsMidnight Reservoir ElevationAverage Forebay ElevationAverage Tailwater ElevationAverage Head feet
1 9845 410 0 152.58 157.20 156.37 0.83 611.97 612.19 574.54 37.65
2 9842 410 0 159.78 162.38 157.45 4.93 612.76 612.54 575.03 37.51
3 8907 371 0 149.80 153.92 139.78 14.13 612.32 612.18 574.51 37.67
4 8892 370 0 140.98 142.92 138.78 4.14 612.39 612.23 574.20 38.03
5 9313 388 0 148.97 152.40 147.04 5.36 612.30 612.33 574.58 37.75
6 9855 411 0 155.04 157.93 157.93 0.00 612.79 612.34 575.00 37.34
7 8909 371 0 131.94 137.98 137.98 0.00 612.40 612.25 574.12 38.13
8 7889 329 0 111.11 115.93 115.93 0.00 612.34 612.17 572.50 39.67
9 8332 347 0 133.20 137.50 127.36 10.14 612.37 612.24 573.58 38.66
10 8919 372 0 134.72 138.03 137.99 0.04 612.34 612.29 573.96 38.33
11 8443 352 0 124.06 127.46 127.00 0.46 612.39 612.26 573.09 39.17
12 8060 336 0 113.71 118.06 117.45 0.60 612.56 612.16 572.23 39.93
13 9235 385 0 133.35 136.15 136.15 0.00 612.55 612.30 572.26 40.04
14 9690 404 0 147.97 152.40 152.40 0.00 612.33 612.33 574.48 37.85
15 9923 413 0 156.45 160.50 160.50 0.00 611.65 612.31 575.10 37.21
16 142.07 143.92 143.92 0.00 612.89 612.16 574.09 38.07
17 153.96 158.97 158.97 0.00 612.18 612.31 574.98 37.33
18 144.07 147.75 147.75 0.00 612.47 612.31 574.45 37.86
19 131.70 135.78 135.78 0.00 612.38 612.26 574.05 38.21
20 145.14 149.64 148.65 0.99 612.52 612.38 574.64 37.74
21 118.90 123.33 123.33 0.00 612.38 612.17 572.57 39.60
22 140.37 144.97 144.97 0.00 612.48 612.09 574.24 37.85
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TOT136054  0        
AVG 9070 378 0 139.54 143.41 141.52 1.89 612.40 612.26 574.01 38.25
MAX 9923   159.78 162.38 160.50 14.13 612.89 612.54 575.10 40.04
MIN 7889   111.11 115.93 115.93 0.00 611.65 612.09 572.23 37.21