US Army Corps of Engineers

Rock Island Dam

Thursday August 28, 2025

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage Head
1 77.40 77.40 0.00 611.82 569.77 42.05
2 76.70 76.70 0.00 612.10 569.73 42.37
3 76.70 76.70 0.00 612.10 569.50 42.60
4 76.00 76.00 0.00 612.15 569.61 42.54
5 77.60 77.60 0.00 612.16 569.75 42.41
6 80.80 80.80 0.00 612.10 569.86 42.24
7 87.80 87.80 0.00 612.10 569.67 42.43
8 91.40 91.40 0.00 612.19 570.18 42.01
9 105.50 105.50 0.00 612.00 570.38 41.62
10 99.60 99.60 0.00 612.47 569.94 42.53
11 78.10 78.10 0.00 612.27 569.40 42.87
12 81.10 81.10 0.00 612.01 571.00 41.01
13 94.40 94.40 0.00 612.20 569.53 42.67
14 61.30 61.30 0.00 612.05 568.92 43.13
15 53.00 53.00 0.00 612.12 569.64 42.48
16 82.40 82.40 0.00 612.09 570.05 42.04
17 107.90 107.90 0.00 611.87 571.18 40.69
18 128.40 128.40 0.00 611.58 571.69 39.89
19 135.90 135.90 0.00 611.86 571.80 40.06
20 131.30 131.30 0.00 612.28 571.29 40.99
21 140.40 140.40 0.00 612.10 572.15 39.95
22 126.90 126.90 0.00 612.35 570.91 41.44
23 114.40 114.40 0.00 612.00 570.24 41.76
24 96.10 96.10 0.00 611.69 569.58 42.11
AVG 95.05 95.05 0.00 612.07 570.24 41.83
MAX 140.40 140.40 0.00 612.47 572.15 43.13
MIN 53.00 53.00 0.00 611.58 568.92 39.89
BUILDING STRONG®