US Army Corps of Engineers

Rock Island Dam & Reservoir

March 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 5399 225 0 74.26 75.63 75.63 0.00 610.69 611.82 570.65 41.17
2 3459 144 0 50.18 46.99 46.99 0.00 612.15 611.92 569.75 42.17
3 4088 170 0 55.92 56.32 56.32 0.00 612.24 611.96 570.07 41.89
4 4454 186 0 61.70 60.28 60.28 0.00 612.26 612.01 569.71 42.30
5 5367 224 0 71.55 74.41 74.41 0.00 611.74 612.12 570.47 41.65
6 4530 189 0 61.53 63.18 63.18 0.00 611.97 611.82 569.76 42.06
7 5423 226 0 79.89 79.15 76.92 2.23 612.19 611.67 570.25 41.42
8 5429 226 0 75.03 77.98 77.98 0.00 611.92 611.55 571.24 40.31
9 3837 160 0 57.59 57.62 55.02 2.61 611.28 611.67 570.98 40.69
10 3804 158 0 57.76 56.43 56.43 0.00 611.97 611.80 571.41 40.39
11 5806 242 0 88.71 88.84 85.41 3.43 611.95 612.04 572.44 39.60
12 5080 212 0 73.99 72.91 72.91 0.00 612.25 611.95 571.74 40.21
13 4682 195 0 65.71 64.79 64.79 0.00 612.23 612.12 570.76 41.36
14 6117 255 0 92.80 93.41 91.12 2.28 612.01 612.12 572.39 39.73
15 5431 226 0 77.74 79.64 79.64 0.00 612.03 612.04 571.57 40.47
16 5402 225 0 80.55 79.05 79.05 0.00 612.25 611.97 571.52 40.45
17 3711 155 0 50.50 53.12 52.98 0.15 612.33 612.07 570.49 41.58
18 5407 225 0 79.35 82.22 79.15 3.06 611.93 612.15 571.03 41.12
19 4673 195 0 71.86 72.13 69.90 2.23 612.22 612.02 571.15 40.87
20 4225 176 0 62.24 63.27 63.27 0.00 611.81 611.85 571.44 40.41
21 5259 219 0 90.70 88.97 81.18 7.79 612.48 612.27 572.36 39.91
22 6171 257 0 111.00 116.86 98.41 18.45 612.10 612.21 573.00 39.21
23 5189 216 0 83.22 84.51 82.43 2.08 612.24 611.02 572.00 39.02
24 4382 183 0 64.78 68.70 66.34 2.36 611.57 611.90 571.46 40.44
25 5141 214 0 82.44 84.55 78.07 6.48 611.17 611.48 571.79 39.69
26 4958 207 0 83.22 82.20 77.49 4.71 612.24 611.62 571.97 39.65
27 5907 246 0 97.53 101.43 92.39 9.05 612.08 611.71 572.14 39.57
28 5171 215 0 73.14 78.07 78.07 0.00 611.33 611.70 571.47 40.23
29 5374 224 0 85.20 87.31 80.94 6.37 611.61 611.71 570.84 40.87
30 4478 187 0 70.17 69.02 64.20 4.82 612.03 611.82 569.32 42.50
31 4998 208 0 84.17 85.78 74.41 11.37 612.72 611.93 571.10 40.83
TOT153352  0        
AVG 4947 206 0 74.66 75.64 72.75 2.89 611.97 611.87 571.17 40.70
MAX 6171   111.00 116.86 98.41 18.45 612.72 612.27 573.00 42.50
MIN 3459   50.18 46.99 46.99 0.00 610.69 611.02 569.32 39.02