US Army Corps of Engineers

Rock Island Dam

Monday June 23, 2025

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage Head
1 103.50 77.90 25.60 611.92 569.07 42.85
2 67.90 42.90 25.00 611.48 567.91 43.57
3 60.00 35.40 24.60 611.21 567.86 43.35
4 66.50 42.40 24.10 611.01 567.69 43.32
5 57.80 33.40 24.40 611.42 566.85 44.57
6 51.00 26.00 25.00 611.73 566.70 45.03
7 58.20 33.30 24.90 611.90 566.70 45.20
8 62.20 36.60 25.60 611.98 567.02 44.96
9 69.70 45.30 24.40 611.60 566.81 44.79
10 70.20 53.70 16.50 612.17 566.85 45.32
11 91.90 75.20 16.70 612.29 567.89 44.40
12 103.60 86.40 17.20 612.62 569.07 43.55
13 131.80 114.60 17.20 612.37 570.37 42.00
14 141.10 124.20 16.90 612.30 570.48 41.82
15 146.00 129.00 17.00 612.48 570.78 41.70
16 149.40 132.20 17.20 612.59 571.11 41.48
17 150.60 133.10 17.50 612.63 571.21 41.42
18 154.60 133.60 21.00 612.59 571.51 41.08
19 155.00 133.90 21.10 612.71 571.57 41.14
20 159.40 134.00 25.40 612.64 571.75 40.89
21 163.90 136.20 27.70 612.64 572.34 40.30
22 186.50 142.80 43.70 612.32 573.08 39.24
23 180.90 146.00 34.90 612.26 572.43 39.83
24 169.00 143.60 25.40 612.05 572.45 39.60
AVG 114.61 91.32 23.29 612.12 569.56 42.56
MAX 186.50 146.00 43.70 612.71 573.08 45.32
MIN 51.00 26.00 16.50 611.01 566.70 39.24