US Army Corps of Engineers

Rock Island Dam

Monday June 30, 2025

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage Head
1 162.10 135.40 26.70 611.91 571.13 40.78
2 152.10 125.10 27.00 612.35 570.27 42.08
3 123.90 96.80 27.10 611.98 569.38 42.60
4 87.10 60.40 26.70 611.73 568.19 43.54
5 67.30 40.70 26.60 611.79 567.80 43.99
6 67.40 40.90 26.50 611.69 567.96 43.73
7 59.50 32.90 26.60 611.71 567.59 44.12
8 53.00 27.00 26.30 611.31 567.39 43.92
9 51.10 25.80 25.30 611.09 567.64 43.45
10 48.70 31.20 17.50 611.20 566.77 44.43
11 35.30 18.00 17.30 611.01 566.97 44.04
12 41.40 24.00 17.40 611.22 567.40 43.82
13 56.40 38.90 17.50 611.34 567.24 44.10
14 47.00 29.20 17.80 611.58 566.97 44.61
15 58.30 40.40 17.90 611.66 567.62 44.04
16 65.90 48.10 17.80 611.66 567.83 43.83
17 86.30 68.00 18.30 611.84 568.89 42.95
18 124.40 102.20 22.20 611.87 570.00 41.87
19 127.00 104.30 22.70 612.07 569.84 42.23
20 135.50 108.20 27.30 612.21 569.86 42.35
21 141.30 113.90 27.40 612.15 570.64 41.51
22 153.40 126.20 27.20 612.29 570.69 41.60
23 157.40 129.90 27.50 612.26 570.89 41.37
24 132.40 105.00 27.40 612.31 569.73 42.58
AVG 93.09 69.69 23.42 611.76 568.70 43.06
MAX 162.10 135.40 27.50 612.35 571.13 44.61
MIN 35.30 18.00 17.30 611.01 566.77 40.78