US Army Corps of Engineers

Rock Island Dam

Sunday August 31, 2025

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage Head
1 74.50 74.50 0.00 612.16 570.80 41.36
2 73.80 73.80 0.00 612.14 570.62 41.52
3 70.90 70.90 0.00 612.12 570.40 41.72
4 82.30 82.30 0.00 612.07 570.65 41.42
5 85.60 85.60 0.00 612.14 570.69 41.45
6 85.50 85.50 0.00 612.13 569.58 42.55
7 66.50 66.50 0.00 612.29 569.54 42.75
8 61.70 61.70 0.00 612.24 569.65 42.59
9 80.80 80.80 0.00 612.14 571.54 40.60
10 95.70 95.70 0.00 611.97 571.15 40.82
11 82.20 82.20 0.00 612.30 570.64 41.66
12 87.60 87.60 0.00 612.22 571.32 40.90
13 78.90 78.90 0.00 612.32 571.40 40.92
14 110.90 110.90 0.00 612.03 572.13 39.90
15 109.30 109.30 0.00 612.22 572.32 39.90
16 110.00 110.00 0.00 611.93 571.84 40.09
17 104.10 104.10 0.00 611.77 572.11 39.66
18 129.30 129.30 0.00 611.17 573.08 38.09
19 131.40 131.40 0.00 612.19 572.78 39.41
20 139.30 139.30 0.00 612.36 573.21 39.15
21 145.40 145.40 0.00 612.08 573.54 38.54
22 135.40 135.40 0.00 612.06 572.76 39.30
23 115.10 115.10 0.00 612.22 571.83 40.39
24 73.80 73.80 0.00 612.29 570.56 41.73
AVG 97.08 97.08 0.00 612.11 571.42 40.68
MAX 145.40 145.40 0.00 612.36 573.54 42.75
MIN 61.70 61.70 0.00 611.17 569.54 38.09
BUILDING STRONG®