US Army Corps of Engineers

Rock Island Dam

Friday January 2, 2026

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage Head
1 128.90 128.90 0.00 612.06 572.18 39.88
2 138.90 138.90 0.00 611.61 572.24 39.37
3 134.00 134.00 0.00 611.90 572.07 39.83
4 140.10 140.10 0.00 611.76 572.27 39.49
5 138.70 138.70 0.00 611.53 572.48 39.05
6 156.60 156.60 0.00 610.49 573.59 36.90
7 148.90 148.90 0.00 610.53 573.45 37.08
8 134.90 134.90 0.00 611.19 572.22 38.97
9 137.10 137.10 0.00 612.10 572.24 39.86
10 140.20 137.80 2.40 612.52 572.45 40.07
11 146.60 137.70 8.90 612.65 572.70 39.95
12 146.10 137.20 8.90 612.67 572.81 39.86
13 163.60 162.70 0.90 611.53 573.94 37.59
14 137.20 137.20 0.00 612.05 572.54 39.51
15 137.50 137.50 0.00 612.09 572.49 39.60
16 131.70 131.70 0.00 612.15 573.08 39.07
17 150.80 150.80 0.00 612.40 573.33 39.07
18 163.60 163.60 0.00 612.15 573.76 38.39
19 159.90 159.90 0.00 612.35 573.30 39.05
20 156.30 156.30 0.00 612.24 573.54 38.70
21 161.30 161.30 0.00 612.10 573.67 38.43
22 157.90 157.90 0.00 612.26 573.46 38.80
23 157.10 157.10 0.00 612.36 573.56 38.80
24 157.80 157.80 0.00 612.19 573.62 38.57
AVG 146.90 146.03 0.88 611.95 572.96 39.00
MAX 163.60 163.60 8.90 612.67 573.94 40.07
MIN 128.90 128.90 0.00 610.49 572.07 36.90