US Army Corps of Engineers

Rock Island Dam

Thursday July 3, 2025

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage Head
1 129.50 104.90 24.60 612.24 570.89 41.35
2 123.00 98.50 24.50 611.92 570.57 41.35
3 125.60 101.60 24.00 611.79 570.75 41.04
4 120.20 95.60 24.60 612.14 570.72 41.42
5 126.90 102.60 24.30 611.71 570.97 40.74
6 133.30 109.60 23.70 611.24 571.37 39.87
7 119.70 95.90 23.80 611.84 570.35 41.49
8 116.70 92.30 24.40 612.02 570.78 41.24
9 100.40 76.40 24.00 612.16 570.70 41.46
10 117.60 101.80 15.80 612.28 569.78 42.50
11 73.70 57.70 16.00 611.98 570.72 41.26
12 86.80 71.00 15.80 612.10 570.16 41.94
13 81.30 65.50 15.80 611.95 570.64 41.31
14 98.60 82.90 15.70 611.97 571.38 40.59
15 108.60 92.90 15.70 611.95 571.21 40.74
16 105.60 89.80 15.80 612.32 570.94 41.38
17 118.50 102.20 16.30 612.10 571.75 40.35
18 123.80 103.70 20.10 612.16 571.49 40.67
19 119.20 98.70 20.50 611.90 571.62 40.28
20 125.90 101.70 24.20 611.48 571.72 39.76
21 123.10 99.00 24.10 611.72 571.26 40.46
22 120.40 95.80 24.60 612.04 571.49 40.55
23 136.90 112.30 24.60 611.90 572.27 39.63
24 138.40 114.10 24.30 612.22 572.07 40.15
AVG 115.57 94.44 21.13 611.96 571.07 40.90
MAX 138.40 114.10 24.60 612.32 572.27 42.50
MIN 73.70 57.70 15.70 611.24 569.78 39.63
BUILDING STRONG®