US Army Corps of Engineers

Rock Island Dam

Wednesday September 16, 2026

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage Head
1 50.40 50.40 0.00 612.11 567.72 44.39
2 26.30 26.30 0.00 611.85 568.12 43.73
3 23.40 23.40 0.00 611.97 568.35 43.62
4 23.10 23.10 0.00 612.02 567.85 44.17
5 23.20 23.20 0.00 612.03 568.08 43.95
6 23.40 23.40 0.00 612.21 568.23 43.98
7 25.40 24.20 1.10 612.72 568.32 44.40
8 90.70 88.20 2.50 612.42 568.85 43.57
9 38.70 38.70 0.00 611.86 567.51 44.35
10 25.80 25.80 0.00 611.43 567.05 44.38
11 23.60 23.60 0.00 611.72 568.34 43.38
12 21.70 21.70 0.00 612.00 567.35 44.65
13 27.80 27.80 0.00 611.62 567.43 44.19
14 11.40 11.40 0.00 612.21 567.89 44.32
15 18.70 18.70 0.00 611.70 567.29 44.41
16 19.40 19.40 0.00 612.26 567.50 44.76
17 18.90 18.90 0.00 611.71 567.58 44.13
18 38.00 38.00 0.00 611.57 567.75 43.82
19 56.90 56.90 0.00 612.14 567.51 44.63
20 64.50 64.50 0.00 612.43 567.81 44.62
21 76.30 76.30 0.00 612.42 568.69 43.73
22 112.70 112.70 0.00 612.20 569.86 42.34
23 104.70 104.70 0.00 612.26 569.61 42.65
24 80.70 80.70 0.00 612.38 567.83 44.55
AVG 42.74 42.58 0.15 612.05 568.02 44.03
MAX 112.70 112.70 2.50 612.72 569.86 44.76
MIN 11.40 11.40 0.00 611.43 567.05 42.34
BUILDING STRONG®