US Army Corps of Engineers

Rock Island Dam

Sunday January 4, 2026

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage Head
1 137.30 137.30 0.00 612.21 571.69 40.52
2 112.40 112.40 0.00 612.02 571.89 40.13
3 123.70 123.70 0.00 611.98 572.05 39.93
4 128.00 128.00 0.00 611.89 572.21 39.68
5 131.10 131.10 0.00 611.76 572.56 39.20
6 127.10 127.10 0.00 612.24 572.21 40.03
7 156.20 156.20 0.00 612.06 573.18 38.88
8 164.00 164.00 0.00 612.22 573.89 38.33
9 171.80 171.80 0.00 612.30 573.92 38.38
10 171.00 171.00 0.00 612.31 574.13 38.18
11 170.60 170.60 0.00 611.49 574.43 37.06
12 164.70 164.70 0.00 610.73 573.57 37.16
13 119.10 119.10 0.00 611.38 571.43 39.95
14 65.40 65.40 0.00 612.04 570.94 41.10
15 75.00 75.00 0.00 611.68 571.62 40.06
16 64.10 64.10 0.00 612.11 570.76 41.35
17 83.10 83.10 0.00 611.86 570.61 41.25
18 77.40 77.40 0.00 611.74 571.62 40.12
19 121.40 121.40 0.00 611.73 571.53 40.20
20 126.60 126.60 0.00 612.12 572.35 39.77
21 139.40 139.40 0.00 612.22 571.78 40.44
22 135.70 135.70 0.00 612.10 571.95 40.15
23 125.90 125.90 0.00 612.15 571.73 40.42
24 127.30 127.30 0.00 612.17 571.69 40.48
AVG 125.76 125.76 0.00 611.94 572.24 39.70
MAX 171.80 171.80 0.00 612.31 574.43 41.35
MIN 64.10 64.10 0.00 610.73 570.61 37.06
BUILDING STRONG®