US Army Corps of Engineers

Rock Island Dam

Thursday January 22, 2026

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage Head
1 143.10 143.10 0.00 612.17 573.80 38.37
2 133.30 133.30 0.00 612.25 573.49 38.76
3 136.10 136.10 0.00 612.14 573.51 38.63
4 135.00 135.00 0.00 612.11 573.48 38.63
5 141.20 141.20 0.00 611.94 573.72 38.22
6 162.60 162.60 0.00 611.38 574.59 36.79
7 166.50 166.50 0.00 611.56 574.59 36.97
8 158.90 158.90 0.00 612.44 573.76 38.68
9 163.10 163.10 0.00 612.29 574.46 37.83
10 163.50 163.50 0.00 612.13 574.59 37.54
11 162.20 162.20 0.00 611.88 574.51 37.37
12 167.60 167.60 0.00 611.40 574.86 36.54
13 169.50 169.50 0.00 610.48 574.86 35.62
14 144.60 144.60 0.00 610.82 572.64 38.18
15 124.70 124.70 0.00 610.31 574.33 35.98
16 135.70 135.70 0.00 611.04 573.70 37.34
17 143.30 143.30 0.00 610.72 573.86 36.86
18 131.60 131.60 0.00 610.72 573.60 37.12
19 155.10 155.10 0.00 610.55 574.65 35.90
20 169.10 169.10 0.00 610.78 574.79 35.99
21 161.10 161.10 0.00 611.28 573.94 37.34
22 146.50 146.50 0.00 611.68 573.46 38.22
23 136.20 136.20 0.00 611.99 573.37 38.62
24 134.60 134.60 0.00 612.29 572.73 39.56
AVG 149.38 149.38 0.00 611.51 573.97 37.54
MAX 169.50 169.50 0.00 612.44 574.86 39.56
MIN 124.70 124.70 0.00 610.31 572.64 35.62
BUILDING STRONG®