US Army Corps of Engineers

Rock Island Dam

Thursday July 18, 2024

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage Head
1 155.00 127.60 27.40 611.40 573.14 38.26
2 128.00 100.10 27.90 611.83 571.57 40.26
3 109.30 81.40 27.90 611.62 571.21 40.41
4 109.40 81.70 27.70 611.55 571.46 40.09
5 110.50 82.90 27.60 611.52 571.35 40.17
6 109.20 81.50 27.70 611.59 570.94 40.65
7 106.30 78.80 27.50 611.48 570.81 40.67
8 103.20 75.40 27.80 611.76 570.56 41.20
9 102.30 74.80 27.50 611.80 570.45 41.35
10 98.50 78.30 20.20 611.86 570.51 41.35
11 102.90 82.70 20.20 611.86 570.72 41.14
12 104.50 84.20 20.30 611.89 570.75 41.14
13 112.10 91.90 20.20 611.75 570.75 41.00
14 106.80 86.60 20.20 611.92 570.43 41.49
15 112.50 92.30 20.20 611.63 571.00 40.63
16 118.30 98.20 20.10 611.94 570.83 41.11
17 146.00 126.20 19.80 611.27 572.35 38.92
18 164.20 142.10 22.10 610.73 572.91 37.82
19 158.40 136.30 22.10 610.76 572.62 38.14
20 157.90 130.50 27.40 610.65 572.45 38.20
21 148.60 121.10 27.50 611.10 571.80 39.30
22 141.90 113.80 28.10 611.16 571.91 39.25
23 149.40 121.60 27.80 611.13 571.84 39.29
24 137.30 109.20 28.10 611.34 571.72 39.62
AVG 124.69 99.97 24.72 611.48 571.42 40.06
MAX 164.20 142.10 28.10 611.94 573.14 41.49
MIN 98.50 74.80 19.80 610.65 570.43 37.82