US Army Corps of Engineers

Rock Island Dam

Monday December 8, 2025

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage Head
1 127.30 127.30 0.00 611.98 570.86 41.12
2 130.00 130.00 0.00 612.13 571.78 40.35
3 140.40 140.40 0.00 612.05 571.51 40.54
4 133.40 133.40 0.00 611.90 571.80 40.10
5 173.00 173.00 0.00 610.44 573.67 36.77
6 156.80 156.80 0.00 610.29 572.35 37.94
7 76.40 76.40 0.00 612.52 569.26 43.26
8 100.40 78.30 22.10 612.60 571.43 41.17
9 124.20 124.20 0.00 612.20 571.61 40.59
10 119.70 119.70 0.00 612.02 570.83 41.19
11 119.50 119.50 0.00 611.64 571.22 40.42
12 113.50 113.50 0.00 612.27 570.88 41.39
13 110.80 110.80 0.00 612.02 570.92 41.10
14 83.10 83.10 0.00 612.14 569.89 42.25
15 73.30 73.30 0.00 611.99 570.07 41.92
16 83.70 83.70 0.00 611.40 571.21 40.19
17 95.20 95.20 0.00 611.56 570.61 40.95
18 102.10 102.10 0.00 611.93 570.50 41.43
19 101.60 101.60 0.00 612.31 571.02 41.29
20 109.80 109.80 0.00 612.24 571.03 41.21
21 111.10 111.10 0.00 612.31 571.07 41.24
22 110.00 110.00 0.00 611.97 570.91 41.06
23 102.20 102.20 0.00 611.91 570.70 41.21
24 97.50 97.50 0.00 612.22 569.96 42.26
AVG 112.29 111.37 0.92 611.92 571.05 40.87
MAX 173.00 173.00 22.10 612.60 573.67 43.26
MIN 73.30 73.30 0.00 610.29 569.26 36.77
BUILDING STRONG®