US Army Corps of Engineers

Rock Island Dam

Wednesday July 2, 2025

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage Head
1 143.30 118.30 25.00 612.22 570.91 41.31
2 143.80 118.80 25.00 612.34 570.50 41.84
3 138.00 113.00 25.00 612.05 569.96 42.09
4 96.10 71.40 24.70 611.94 568.64 43.30
5 98.20 73.70 24.50 611.98 568.89 43.09
6 98.10 73.30 24.80 612.10 569.23 42.87
7 103.40 78.70 24.70 612.22 569.07 43.15
8 115.40 90.50 24.90 612.23 569.73 42.50
9 113.70 89.20 24.50 611.98 569.67 42.31
10 101.20 85.70 15.50 612.01 569.31 42.70
11 97.90 82.40 15.50 611.96 569.58 42.38
12 99.20 83.80 15.40 611.97 569.78 42.19
13 97.00 81.40 15.60 612.14 569.48 42.66
14 112.90 97.40 15.50 612.02 570.24 41.78
15 125.80 110.20 15.60 611.98 571.45 40.53
16 146.90 131.40 15.50 611.97 571.38 40.59
17 126.20 110.10 16.10 612.04 571.49 40.55
18 108.70 88.20 20.50 612.28 570.02 42.26
19 109.60 89.00 20.60 612.27 570.37 41.90
20 120.30 95.50 24.80 612.29 570.73 41.56
21 122.60 97.90 24.70 611.89 571.05 40.84
22 100.50 76.10 24.40 612.01 569.46 42.55
23 105.30 81.20 24.10 611.57 570.29 41.28
24 125.60 101.60 24.00 611.81 571.22 40.59
AVG 114.57 93.28 21.29 612.05 570.10 41.95
MAX 146.90 131.40 25.00 612.34 571.49 43.30
MIN 96.10 71.40 15.40 611.57 568.64 40.53
BUILDING STRONG®