US Army Corps of Engineers

Rock Island Dam

Tuesday September 15, 2026

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage Head
1 47.70 47.70 0.00 612.04 568.04 44.00
2 40.70 40.70 0.00 611.99 568.00 43.99
3 25.80 25.80 0.00 611.92 568.00 43.92
4 24.70 24.70 0.00 612.10 567.89 44.21
5 25.00 25.00 0.00 612.58 567.97 44.61
6 61.50 61.50 0.00 611.99 569.12 42.87
7 57.30 57.30 0.00 611.85 568.04 43.81
8 40.50 40.50 0.00 612.08 567.12 44.96
9 27.70 27.70 0.00 611.93 567.89 44.04
10 20.40 20.40 0.00 612.26 567.40 44.86
11 37.60 37.60 0.00 612.22 567.48 44.74
12 55.10 55.10 0.00 612.10 568.19 43.91
13 23.10 23.10 0.00 612.23 566.96 45.27
14 33.10 33.10 0.00 612.37 567.48 44.89
15 36.90 36.90 0.00 612.41 567.94 44.47
16 50.50 50.50 0.00 612.23 566.75 45.48
17 30.10 30.10 0.00 612.27 566.80 45.47
18 46.10 46.10 0.00 612.49 567.50 44.99
19 63.30 45.70 17.60 612.61 569.05 43.56
20 131.40 85.10 46.30 612.73 570.61 42.12
21 125.30 109.30 16.00 612.64 570.16 42.48
22 111.10 111.10 0.00 612.28 569.62 42.66
23 95.50 95.50 0.00 612.31 569.16 43.15
24 82.30 82.30 0.00 611.97 569.10 42.87
AVG 53.86 50.53 3.33 612.23 568.18 44.06
MAX 131.40 111.10 46.30 612.73 570.61 45.48
MIN 20.40 20.40 0.00 611.85 566.75 42.12
BUILDING STRONG®