US Army Corps of Engineers

Rock Island Dam

Thursday January 8, 2026

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage Head
1 165.80 165.80 0.00 611.96 574.26 37.70
2 146.60 146.60 0.00 611.96 574.03 37.93
3 155.90 155.90 0.00 611.88 573.92 37.96
4 144.30 144.30 0.00 611.94 574.11 37.83
5 149.40 149.40 0.00 611.82 574.38 37.44
6 158.80 158.80 0.00 611.72 574.78 36.94
7 170.50 170.50 0.00 611.72 574.97 36.75
8 172.30 172.30 0.00 611.74 575.13 36.61
9 169.40 169.40 0.00 612.04 574.67 37.37
10 161.30 161.30 0.00 612.05 574.40 37.65
11 154.00 154.00 0.00 612.11 574.10 38.01
12 143.70 143.70 0.00 612.15 573.76 38.39
13 147.70 147.70 0.00 612.07 573.92 38.15
14 150.40 150.40 0.00 611.99 574.29 37.70
15 149.90 149.90 0.00 612.01 574.00 38.01
16 157.00 157.00 0.00 611.41 574.70 36.71
17 170.60 170.60 0.00 611.23 574.92 36.31
18 169.50 169.50 0.00 611.62 574.79 36.83
19 170.20 170.20 0.00 611.89 574.75 37.14
20 170.50 170.50 0.00 612.12 574.81 37.31
21 170.30 170.30 0.00 612.31 574.79 37.52
22 170.40 170.40 0.00 612.27 574.73 37.54
23 170.80 170.80 0.00 612.20 574.83 37.37
24 168.10 168.10 0.00 612.31 574.10 38.21
AVG 160.72 160.72 0.00 611.94 574.46 37.47
MAX 172.30 172.30 0.00 612.31 575.13 38.39
MIN 143.70 143.70 0.00 611.23 573.76 36.31