US Army Corps of Engineers

Rock Island Dam

Wednesday June 21, 2023

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage Head
1 111.10 87.50 23.60 610.82 570.10 40.72
2 88.30 64.20 24.10 610.92 569.99 40.93
3 53.90 30.50 23.40 610.66 568.15 42.51
4 64.60 41.10 23.50 610.76 569.26 41.50
5 69.10 45.40 23.70 610.91 569.29 41.62
6 72.00 48.30 23.70 610.74 568.89 41.85
7 91.50 68.00 23.50 611.05 569.97 41.08
8 99.90 75.10 24.80 611.87 569.91 41.96
9 100.10 68.80 31.30 611.96 569.29 42.67
10 77.40 61.80 15.60 611.88 569.19 42.69
11 86.20 71.50 14.70 611.48 569.91 41.57
12 84.60 69.70 14.90 611.72 570.08 41.64
13 87.80 72.50 15.30 611.95 570.21 41.74
14 73.80 57.90 15.90 612.26 570.64 41.62
15 99.30 83.90 15.40 611.99 571.02 40.97
16 105.10 89.70 15.40 612.04 571.40 40.64
17 96.60 80.70 15.90 612.02 570.92 41.10
18 98.50 78.60 19.90 611.56 571.61 39.95
19 122.90 103.60 19.30 611.01 572.86 38.15
20 143.90 119.80 24.10 610.93 574.37 36.56
21 152.10 128.20 23.90 611.34 572.16 39.18
22 93.70 69.60 24.10 611.09 571.15 39.94
23 93.70 70.20 23.50 611.18 571.57 39.61
24 94.20 69.90 24.30 611.70 572.24 39.46
AVG 94.18 73.19 20.99 611.41 570.59 40.82
MAX 152.10 128.20 31.30 612.26 574.37 42.69
MIN 53.90 30.50 14.70 610.66 568.15 36.56
BUILDING STRONG®