US Army Corps of Engineers

Rock Island Dam

Monday January 26, 2026

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage Head
1 160.70 160.70 0.00 612.19 574.60 37.59
2 162.20 162.20 0.00 612.36 574.56 37.80
3 169.10 169.10 0.00 612.43 574.72 37.71
4 174.40 174.40 0.00 612.56 574.97 37.59
5 174.80 174.80 0.00 612.62 574.89 37.73
6 174.40 172.80 1.60 612.76 574.65 38.11
7 183.60 170.70 12.90 612.66 574.92 37.74
8 164.50 141.80 22.70 612.60 574.21 38.39
9 174.80 148.90 25.90 612.46 574.21 38.25
10 172.70 150.00 22.70 612.52 574.06 38.46
11 151.80 145.70 6.10 612.52 573.46 39.06
12 139.40 139.30 0.10 612.43 573.08 39.35
13 145.00 145.00 0.00 611.99 573.24 38.75
14 142.80 142.80 0.00 611.39 572.70 38.69
15 128.60 128.60 0.00 610.96 572.72 38.24
16 125.50 125.50 0.00 610.87 571.89 38.98
17 137.60 137.60 0.00 610.42 573.21 37.21
18 143.20 143.20 0.00 611.48 572.89 38.59
19 140.40 140.40 0.00 612.55 572.49 40.06
20 147.90 139.70 8.20 612.62 573.27 39.35
21 161.20 144.20 17.00 612.76 573.38 39.38
22 163.00 142.60 20.40 612.84 573.18 39.66
23 152.80 139.90 12.90 612.78 572.76 40.02
24 138.10 138.10 0.00 612.64 572.45 40.19
AVG 155.35 149.08 6.27 612.23 573.60 38.62
MAX 183.60 174.80 25.90 612.84 574.97 40.19
MIN 125.50 125.50 0.00 610.42 571.89 37.21
BUILDING STRONG®