US Army Corps of Engineers

Rock Island Dam

Monday May 19, 2025

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage Head
1 144.10 129.90 14.20 612.28 570.50 41.78
2 142.00 127.70 14.30 612.18 570.48 41.70
3 135.10 121.00 14.10 612.21 569.84 42.37
4 125.00 111.00 14.00 612.01 570.26 41.75
5 130.10 121.50 8.60 611.10 570.46 40.64
6 125.00 116.80 8.20 611.19 569.86 41.33
7 120.30 111.70 8.60 611.67 570.05 41.62
8 142.20 135.80 6.40 611.65 570.57 41.08
9 126.50 119.70 6.80 612.21 570.15 42.06
10 129.20 122.30 6.90 612.07 569.81 42.26
11 122.10 115.30 6.80 612.19 569.70 42.49
12 115.70 108.70 7.00 612.22 569.62 42.60
13 123.60 114.40 9.20 611.89 569.70 42.19
14 108.90 99.60 9.30 612.18 569.50 42.68
15 100.20 88.50 11.70 612.10 568.81 43.29
16 81.40 69.90 11.50 611.79 568.46 43.33
17 88.30 77.10 11.20 611.63 568.86 42.77
18 98.60 87.20 11.40 611.91 569.54 42.37
19 113.40 101.90 11.50 611.58 570.24 41.34
20 123.60 112.60 11.00 611.09 570.30 40.79
21 131.60 117.40 14.20 610.66 570.34 40.32
22 120.90 106.80 14.10 610.88 569.64 41.24
23 122.00 107.70 14.30 611.12 570.05 41.07
24 120.90 106.00 14.90 611.80 570.23 41.57
AVG 120.45 109.60 10.84 611.73 569.87 41.86
MAX 144.10 135.80 14.90 612.28 570.57 43.33
MIN 81.40 69.90 6.40 610.66 568.46 40.32
BUILDING STRONG®