US Army Corps of Engineers

Rock Island Dam

Wednesday August 5, 2026

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage Head
1 67.80 67.80 0.00 612.32 568.89 43.43
2 84.50 84.50 0.00 612.38 569.34 43.04
3 75.10 75.10 0.00 612.18 568.08 44.10
4 53.10 53.10 0.00 612.31 568.23 44.08
5 61.90 61.90 0.00 612.31 568.12 44.19
6 61.00 60.90 0.00 612.08 568.19 43.89
7 75.00 75.00 0.00 611.89 568.62 43.27
8 72.50 72.50 0.00 612.21 567.93 44.28
9 61.70 61.70 0.00 612.22 567.73 44.49
10 64.50 64.50 0.00 612.26 568.40 43.86
11 78.00 78.00 0.00 612.10 569.02 43.08
12 89.20 89.20 0.00 612.31 569.32 42.99
13 102.30 102.30 0.00 612.20 569.64 42.56
14 103.70 103.70 0.00 612.24 569.77 42.47
15 102.30 102.20 0.00 611.93 570.00 41.93
16 116.60 116.60 0.00 611.50 570.97 40.53
17 146.60 146.60 0.00 611.18 572.27 38.91
18 152.80 152.80 0.00 611.41 572.02 39.39
19 148.30 148.30 0.00 612.20 571.76 40.44
20 163.90 163.80 0.00 611.94 572.92 39.02
21 163.40 163.40 0.00 611.98 571.88 40.10
22 140.30 140.30 0.00 611.79 571.32 40.47
23 131.60 131.60 0.00 611.43 571.57 39.86
24 107.80 107.80 0.00 611.08 569.86 41.22
AVG 101.00 100.98 0.00 611.98 569.83 42.15
MAX 163.90 163.80 0.00 612.38 572.92 44.49
MIN 53.10 53.10 0.00 611.08 567.73 38.91
BUILDING STRONG®