US Army Corps of Engineers

Rock Island Dam & Reservoir

January 2019

Day of MonthTotal Generation MWhAverage Generation MWStation Use MWhInflow kcfsTotal Outflow kcfsGeneration Flow kcfsSpill kcfsMidnight Reservoir ElevationAverage Forebay ElevationAverage Tailwater ElevationAverage Head feet
1 6711 280 0 83.63 86.03 86.03 0.00 612.82 612.84 567.91 44.93
2 8668 361 0 113.21 119.16 119.16 0.00 612.80 612.73 570.46 42.27
3 7187 299 0 91.65 95.02 95.02 0.00 612.83 612.81 569.15 43.66
4 7198 300 0 89.78 94.48 94.48 0.00 612.85 612.83 568.50 44.33
5 7288 304 0 88.42 95.16 95.16 0.00 612.77 612.83 568.36 44.47
6 6921 288 0 89.42 91.24 91.24 0.00 612.86 612.85 568.95 43.90
7 7517 313 0 100.67 105.58 105.58 0.00 612.83 612.78 571.02 41.76
8 7795 325 0 109.52 115.75 115.75 0.00 612.79 612.77 572.41 40.36
9 8269 345 0 118.68 123.99 123.99 0.00 612.76 612.78 573.37 39.41
10 7955 331 0 107.33 113.96 113.96 0.00 612.81 612.80 572.16 40.64
11 7330 305 0 95.04 100.47 100.47 0.00 612.78 612.80 570.40 42.40
12 7730 322 0 94.68 100.67 100.67 0.00 612.66 612.82 568.60 44.22
13 8320 347 0 117.46 120.31 120.31 0.00 612.93 612.67 571.01 41.66
14 8443 352 0 116.43 120.62 120.62 0.00 612.81 612.80 571.53 41.27
15 8253 344 0 106.53 111.71 111.71 0.00 612.87 612.85 570.54 42.31
16 7076 295 0 87.07 91.55 91.55 0.00 612.86 612.85 568.69 44.16
17 6704 279 0 81.49 83.75 83.75 0.00 612.78 612.84 567.60 45.24
18 6687 279 0 88.17 88.18 87.44 0.74 612.78 612.80 568.28 44.52
19 5743 239 0 70.20 72.15 72.15 0.00 612.80 612.80 567.73 45.07
20 5619 234 0 69.08 70.20 70.20 0.00 612.93 612.86 567.04 45.82
21 7757 323 0 105.32 108.70 108.70 0.00 612.73 612.73 570.85 41.88
22 6739 281 0 87.91 90.51 90.51 0.00 612.80 612.75 570.00 42.75
23 5867 244 0 74.46 76.28 76.28 0.00 612.71 612.73 568.99 43.74
24 6368 265 0 82.33 83.61 83.61 0.00 612.85 612.70 568.83 43.87
25 5755 240 0 70.85 72.96 72.96 0.00 612.63 612.74 567.79 44.95
26 5792 241 0 72.01 71.67 71.67 0.00 612.87 612.73 566.52 46.21
27 5620 234 0 67.79 68.68 68.68 0.00 612.96 612.73 566.03 46.70
28 8086 337 0 107.05 112.28 109.47 2.81 612.78 612.72 569.14 43.58
29 8178 341 0 111.76 116.90 116.90 0.00 612.71 612.76 571.34 41.42
30 8202 342 0 115.56 122.13 122.13 0.00 612.67 612.77 572.61 40.16
31 7870 328 0 109.46 115.92 115.92 0.00 612.85 612.76 572.28 40.48
TOT223648  0        
AVG 7214 301 0 94.29 98.05 97.94 0.11 612.80 612.78 569.62 43.17
MAX 8668   118.68 123.99 123.99 2.81 612.96 612.86 573.37 46.70
MIN 5619   67.79 68.68 68.68 0.00 612.63 612.67 566.03 39.41