US Army Corps of Engineers

Rock Island Dam

Friday June 5, 2026

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage Head
1 197.70 146.70 51.00 612.45 574.76 37.69
2 183.90 142.50 41.40 612.57 574.56 38.01
3 186.10 145.00 41.10 612.08 574.73 37.35
4 183.10 143.10 40.00 611.81 573.87 37.94
5 169.00 128.90 40.10 611.97 573.92 38.05
6 174.10 133.60 40.50 611.67 574.10 37.57
7 183.90 144.20 39.70 610.77 574.29 36.48
8 175.70 136.70 39.00 610.84 573.56 37.28
9 160.90 121.30 39.60 611.03 573.26 37.77
10 144.80 118.40 26.40 611.14 572.87 38.27
11 131.50 105.70 25.80 611.02 571.45 39.57
12 80.00 53.20 26.80 611.80 570.62 41.18
13 121.80 95.00 26.80 611.55 571.88 39.67
14 134.80 108.10 26.70 611.70 572.43 39.27
15 145.80 118.80 27.00 611.87 572.26 39.61
16 140.00 112.50 27.50 612.35 572.10 40.25
17
18
19
20
21
22
23
24
AVG 157.07 122.11 34.96 611.66 573.17 38.50
MAX 197.70 146.70 51.00 612.57 574.76 41.18
MIN 80.00 53.20 25.80 610.77 570.62 36.48