US Army Corps of Engineers

Rock Island Dam

Wednesday August 27, 2025

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage Head
1 89.50 89.50 0.00 612.24 569.69 42.55
2 70.70 70.70 0.00 611.95 569.43 42.52
3 66.60 66.60 0.00 612.21 568.69 43.52
4 65.90 65.90 0.00 612.17 569.54 42.63
5 60.60 60.60 0.00 612.59 569.73 42.86
6 108.30 108.30 0.00 612.19 570.88 41.31
7 118.50 118.50 0.00 612.24 571.48 40.76
8 110.30 110.30 0.00 612.28 570.50 41.78
9 104.90 104.90 0.00 612.30 570.97 41.33
10 105.90 105.90 0.00 612.33 571.11 41.22
11 105.20 105.20 0.00 612.16 571.26 40.90
12 95.80 95.80 0.00 611.98 571.19 40.79
13 95.70 95.70 0.00 611.89 571.21 40.68
14 84.40 84.40 0.00 612.14 570.80 41.34
15 81.30 81.30 0.00 611.84 571.08 40.76
16 89.70 89.70 0.00 611.09 571.53 39.56
17 93.90 93.90 0.00 611.02 571.61 39.41
18 112.30 112.30 0.00 610.71 572.15 38.56
19 111.70 111.70 0.00 611.68 571.10 40.58
20 112.90 112.90 0.00 612.31 571.46 40.85
21 125.20 125.20 0.00 612.40 571.76 40.64
22 130.70 130.70 0.00 612.38 571.30 41.08
23 110.70 110.70 0.00 611.78 570.78 41.00
24 87.10 87.10 0.00 611.72 569.72 42.00
AVG 97.41 97.41 0.00 611.98 570.79 41.19
MAX 130.70 130.70 0.00 612.59 572.15 43.52
MIN 60.60 60.60 0.00 610.71 568.69 38.56
BUILDING STRONG®