US Army Corps of Engineers

Rock Island Dam

Sunday January 25, 2026

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage Head
1 150.30 150.30 0.00 611.96 574.64 37.32
2 152.50 152.50 0.00 611.79 573.84 37.95
3 144.70 144.70 0.00 611.47 574.03 37.44
4 159.30 159.30 0.00 611.41 574.75 36.66
5 169.50 169.50 0.00 611.52 574.81 36.71
6 168.10 168.10 0.00 611.28 574.76 36.52
7 170.10 170.10 0.00 611.53 574.81 36.72
8 168.30 168.30 0.00 612.42 574.56 37.86
9 168.70 168.70 0.00 612.31 574.75 37.56
10 157.80 157.80 0.00 612.19 574.08 38.11
11 152.90 152.90 0.00 611.85 574.26 37.59
12 152.00 152.00 0.00 611.84 573.62 38.22
13 123.20 123.20 0.00 611.98 572.73 39.25
14 126.80 126.80 0.00 611.83 573.02 38.81
15 125.90 125.90 0.00 612.38 573.02 39.36
16 132.20 132.20 0.00 612.37 573.89 38.48
17 132.60 112.30 20.30 612.26 573.26 39.00
18 153.30 151.10 2.20 612.30 574.32 37.98
19 170.00 170.00 0.00 612.28 574.84 37.44
20 173.40 173.40 0.00 612.25 575.03 37.22
21 173.00 173.00 0.00 612.40 575.02 37.38
22 173.00 173.00 0.00 612.41 575.18 37.23
23 169.00 169.00 0.00 612.45 574.57 37.88
24 163.20 163.20 0.00 612.34 574.40 37.94
AVG 155.41 154.47 0.94 612.03 574.26 37.78
MAX 173.40 173.40 20.30 612.45 575.18 39.36
MIN 123.20 112.30 0.00 611.28 572.73 36.52