US Army Corps of Engineers

Rock Island Dam & Reservoir

March 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 7808 325 0 103.36 107.66 107.66 0.00 611.87 611.88 570.26 41.62
2 7095 296 0 93.46 95.83 95.83 0.00 612.61 612.11 569.72 42.39
3 8202 342 0 108.64 113.92 113.92 0.00 612.12 612.46 570.96 41.50
4 7618 317 0 101.51 110.28 110.28 0.00 611.00 611.91 571.88 40.03
5 7497 312 0 101.97 105.26 105.26 0.00 612.14 611.87 570.82 41.05
6 7293 304 0 95.63 100.46 100.46 0.00 612.36 612.08 570.44 41.64
7 7014 292 0 94.10 97.37 93.74 3.63 612.29 612.24 569.24 43.00
8 6741 281 0 90.37 98.23 98.23 0.00 611.42 612.04 570.86 41.18
9 7589 316 0 104.59 107.50 107.50 0.00 612.27 611.99 571.35 40.64
10 6097 254 0 79.81 87.24 87.24 0.00 611.51 611.44 570.91 40.53
11 4980 208 0 65.51 66.18 66.18 0.00 612.15 612.13 568.85 43.28
12 6062 253 0 77.49 83.30 83.30 0.00 612.10 611.80 569.86 41.94
13 5791 241 0 74.90 76.43 76.43 0.00 612.61 612.25 568.63 43.62
14 5813 242 0 72.60 77.90 77.90 0.00 611.09 612.26 569.77 42.49
15 4067 169 0 56.00 55.36 55.36 0.00 611.90 611.49 569.05 42.44
16 6851 285 0 88.48 93.50 93.50 0.00 611.38 612.22 569.99 42.23
17 5108 213 0 67.80 68.50 68.50 0.00 612.22 611.99 569.19 42.80
18 4856 202 0 61.70 64.14 64.14 0.00 611.99 612.20 568.47 43.73
19 5706 238 0 72.74 75.25 75.10 0.16 610.99 612.23 568.44 43.79
20 5940 248 0 77.81 81.68 81.68 0.00 611.51 611.56 569.69 41.87
21 5429 226 0 72.62 74.17 74.17 0.00 612.10 611.94 569.86 42.08
22 5066 211 0 69.95 72.25 72.25 0.00 612.57 611.50 570.78 40.72
23 6051 252 0 82.57 86.15 86.15 0.00 611.86 612.19 571.58 40.61
24 6205 259 0 84.35 87.78 87.78 0.00 612.46 612.18 571.50 40.68
25 6387 266 0 86.19 93.13 92.93 0.20 611.70 612.33 572.78 39.55
26 4852 202 0 66.71 66.81 66.81 0.00 612.17 612.17 570.21 41.96
27 4680 195 0 59.80 62.92 62.92 0.00 611.92 612.17 569.64 42.53
28 4789 200 0 63.21 67.34 67.34 0.00 611.84 611.72 570.47 41.25
29 4009 167 0 52.78 55.47 55.47 0.00 611.43 611.74 569.28 42.46
30 0 84.11 86.26 83.06 3.20 611.89 612.13 570.73 41.40
31 84.70 89.82 89.82 0.00 611.88 612.01 571.43 40.58
TOT175596  0        
AVG 6055 252 0 80.50 84.13 83.90 0.23 611.91 612.01 570.21 41.79
MAX 8202   108.64 113.92 113.92 3.63 612.61 612.46 572.78 43.79
MIN 4009   52.78 55.36 55.36 0.00 610.99 611.44 568.44 39.55