US Army Corps of Engineers

Rock Island Dam & Reservoir

November 2025

Day of MonthTotal Generation MWhAverage Generation MWStation Use MWhInflow kcfsTotal Outflow kcfsGeneration Flow kcfsSpill kcfsMidnight Reservoir ElevationAverage Forebay ElevationAverage Tailwater ElevationAverage Head feet
1 5097 212 0 67.70 67.42 67.42 0.00 612.30 611.89 568.09 43.80
2 6741 281 0 83.20 85.88 85.88 0.00 612.27 612.02 568.61 43.41
3 7479 312 0 102.08 106.71 106.71 0.00 611.25 612.17 571.22 40.95
4 7248 302 0 109.56 110.43 105.46 4.97 611.43 612.40 571.69 40.71
5 6486 270 0 93.41 93.58 91.93 1.65 612.01 612.14 570.93 41.21
6 5100 212 0 67.23 71.75 71.75 0.00 611.83 611.93 570.25 41.68
7 5568 232 0 77.29 77.92 77.92 0.00 612.25 611.92 570.50 41.42
8 7114 296 0 97.51 101.05 101.05 0.00 612.23 612.11 571.18 40.93
9 6232 260 0 81.06 86.54 86.54 0.00 611.12 611.95 570.18 41.77
10 5235 218 0 70.07 70.17 70.17 0.00 611.86 611.79 569.12 42.67
11 5915 246 0 77.51 78.77 78.77 0.00 612.19 612.05 569.15 42.90
12 6880 287 0 88.94 91.46 91.46 0.00 612.28 612.10 569.05 43.05
13 6716 280 0 87.33 91.00 91.00 0.00 612.04 612.12 569.58 42.54
14 5708 238 0 76.08 78.23 78.23 0.00 611.90 612.06 569.88 42.18
15 5844 244 0 80.56 82.13 82.13 0.00 611.99 611.92 570.33 41.59
16 6574 274 0 89.40 93.26 93.26 0.00 611.76 611.95 571.07 40.88
17 6990 291 0 100.81 105.05 104.76 0.29 611.87 611.98 571.84 40.14
18 6427 268 0 90.38 91.75 90.83 0.92 612.36 612.19 570.30 41.89
19 8048 335 0 118.56 124.10 120.55 3.55 612.09 612.21 572.29 39.92
20 7551 315 0 105.33 111.17 111.17 0.00 611.64 611.47 571.62 39.85
21 7328 305 0 101.82 104.45 104.21 0.24 611.86 612.09 570.65 41.44
22 6214 259 0 83.45 86.33 86.33 0.00 611.90 611.86 570.07 41.79
23 6211 259 0 86.58 86.78 86.78 0.00 612.27 611.99 570.27 41.72
24 6948 290 0 93.09 97.10 97.10 0.00 612.14 612.11 570.68 41.43
25 7669 320 0 106.67 108.81 108.74 0.07 612.61 612.16 571.21 40.95
26 7291 304 0 98.27 104.62 104.62 0.00 611.87 612.09 571.86 40.23
27 5345 223 0 71.47 72.49 72.49 0.00 612.02 612.01 569.68 42.33
28 5105 213 0 67.91 68.46 68.46 0.00 612.12 611.89 569.00 42.89
29 7469 311 0 101.76 103.84 103.84 0.00 612.05 612.11 570.49 41.62
30 7784 324 0 104.66 108.40 108.40 0.00 611.83 612.13 571.09 41.04
1 92.51 95.21 95.21 0.00 612.11 612.10 570.36 41.74
TOT196317  0        
AVG 6544 273 0 89.43 92.09 91.72 0.38 611.98 612.03 570.39 41.63
MAX 8048   118.56 124.10 120.55 4.97 612.61 612.40 572.29 43.80
MIN 5097   67.23 67.42 67.42 0.00 611.12 611.47 568.09 39.85
BUILDING STRONG®