US Army Corps of Engineers

Rock Island Dam

Monday September 21, 2026

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage Head
1 33.00 33.00 0.00 611.88 567.37 44.51
2 22.30 22.30 0.00 611.86 566.64 45.22
3 18.50 18.50 0.00 611.72 566.69 45.03
4 11.50 11.50 0.00 611.73 566.78 44.95
5 13.80 13.80 0.00 611.59 566.31 45.28
6 18.50 18.50 0.00 611.70 566.77 44.93
7 44.70 44.70 0.00 612.04 567.34 44.70
8 59.30 59.30 0.00 612.30 566.91 45.39
9 49.30 49.30 0.00 612.13 566.40 45.73
10 47.00 47.00 0.00 612.10 567.10 45.00
11 57.50 57.50 0.00 612.28 567.43 44.85
12 56.40 56.40 0.00 612.30 566.62 45.68
13 51.20 51.20 0.00 612.19 567.04 45.15
14 56.60 56.60 0.00 612.02 567.21 44.81
15 63.20 63.20 0.00 612.27 567.37 44.90
16 84.60 84.60 0.00 612.06 568.18 43.88
17 79.90 79.90 0.00 612.16 567.96 44.20
18 81.90 81.90 0.00 611.97 567.66 44.31
19 78.90 78.90 0.00 612.47 568.26 44.21
20 105.10 105.10 0.00 612.31 568.75 43.56
21 100.90 100.90 0.00 612.36 568.83 43.53
22 92.10 92.10 0.00 612.10 568.51 43.59
23 67.20 67.30 0.00 612.42 567.72 44.70
24 77.20 77.20 0.00 611.80 568.53 43.27
AVG 57.11 57.11 0.00 612.07 567.43 44.64
MAX 105.10 105.10 0.00 612.47 568.83 45.73
MIN 11.50 11.50 0.00 611.59 566.31 43.27
BUILDING STRONG®