US Army Corps of Engineers

Rock Island Dam

Tuesday November 4, 2025

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage Head
1 59.60 59.60 0.00 611.81 568.96 42.85
2 62.00 62.00 0.00 612.40 570.80 41.60
3 89.40 89.40 0.00 612.36 569.10 43.26
4 87.20 87.20 0.00 612.23 569.78 42.45
5 110.60 110.60 0.00 612.77 571.19 41.58
6 114.00 112.10 1.90 612.72 571.34 41.38
7 132.80 112.20 20.60 612.88 571.49 41.39
8 142.50 113.60 28.90 612.88 572.15 40.73
9 135.80 113.90 21.90 612.83 572.08 40.75
10 134.20 113.60 20.60 612.70 572.03 40.67
11 118.70 113.70 5.00 612.59 572.35 40.24
12 113.70 113.70 0.00 612.36 572.38 39.98
13 113.50 113.50 0.00 612.16 572.49 39.67
14 94.20 93.70 0.50 612.74 571.61 41.13
15 109.70 95.90 13.80 612.45 572.40 40.05
16 105.50 99.40 6.10 612.57 572.78 39.79
17 114.00 114.00 0.00 612.59 572.41 40.18
18 119.60 119.60 0.00 612.51 573.13 39.38
19 130.30 130.30 0.00 612.59 573.18 39.41
20 130.10 130.10 0.00 612.58 573.05 39.53
21 129.60 129.60 0.00 612.50 572.80 39.70
22 129.70 129.70 0.00 611.69 572.68 39.01
23 116.60 116.60 0.00 611.24 570.61 40.63
24 57.00 57.00 0.00 611.43 569.40 42.03
AVG 110.43 105.46 4.97 612.40 571.67 40.72
MAX 142.50 130.30 28.90 612.88 573.18 43.26
MIN 57.00 57.00 0.00 611.24 568.96 39.01
BUILDING STRONG®