US Army Corps of Engineers

Rock Island Dam

Tuesday September 2, 2025

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage Head
1 56.80 56.80 0.00 612.04 569.16 42.88
2 52.00 52.00 0.00 611.86 569.91 41.95
3 44.20 44.20 0.00 611.82 569.40 42.42
4 40.70 40.70 0.00 611.64 569.07 42.57
5 42.10 42.10 0.00 611.43 569.26 42.17
6 34.50 34.50 0.00 611.48 568.62 42.86
7 38.70 38.70 0.00 611.77 568.35 43.42
8 33.90 33.90 0.00 612.32 568.53 43.79
9 38.00 38.00 0.00 612.39 568.89 43.50
10 81.70 81.70 0.00 612.30 570.10 42.20
11 79.10 79.10 0.00 612.18 569.38 42.80
12 56.10 56.10 0.00 612.18 568.53 43.65
13 74.00 0.00 570.92
14 97.00 97.00 0.00 612.27 570.57 41.70
15 71.60 71.60 0.00 612.04 569.43 42.61
16 52.80 52.80 0.00 612.53 570.00 42.53
17 94.90 94.90 0.00 611.84 571.38 40.46
18 124.60 124.60 0.00 610.82 572.65 38.17
19 150.70 150.70 0.00 611.02 572.41 38.61
20 139.50 139.50 0.00 611.53 571.95 39.58
21 128.80 128.80 0.00 612.26 571.32 40.94
22 111.60 111.60 0.00 612.35 569.59 42.76
23 88.50 88.50 0.00 611.88 570.80 41.08
24 36.70 36.70 0.00 611.74 569.07 42.67
AVG 73.69 73.67 0.00 611.90 569.97 41.97
MAX 150.70 150.70 0.00 612.53 572.65 43.79
MIN 33.90 33.90 0.00 610.82 568.35 38.17
BUILDING STRONG®