US Army Corps of Engineers

Rock Island Dam

Tuesday May 20, 2025

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage Head
1 122.30 107.00 15.30 612.05 570.04 42.01
2 119.70 104.20 15.50 612.19 570.19 42.00
3 117.40 101.90 15.50 612.19 569.83 42.36
4 110.00 94.50 15.50 612.19 569.54 42.65
5 113.40 100.70 12.70 611.90 569.91 41.99
6 121.50 109.10 12.40 611.80 570.16 41.64
7 121.40 109.00 12.40 612.26 569.73 42.53
8 126.50 119.50 7.00 612.35 569.99 42.36
9 114.90 108.00 6.90 612.31 569.88 42.43
10 115.50 108.60 6.90 612.07 570.24 41.83
11 121.00 114.10 6.90 612.25 569.26 42.99
12 79.20 71.90 7.30 612.19 568.27 43.92
13 50.80 37.80 13.00 612.13 567.96 44.17
14 63.00 50.00 13.00 612.21 568.19 44.02
15 68.50 55.50 13.00 612.21 567.77 44.44
16 63.60 50.50 13.10 612.04 567.70 44.34
17 67.90 55.40 12.50 611.44 568.58 42.86
18 77.60 65.50 12.10 611.28 568.43 42.85
19 91.30 79.20 12.10 611.18 568.88 42.30
20 99.10 86.80 12.30 611.27 569.34 41.93
21 112.90 97.80 15.10 611.14 569.11 42.03
22 120.00 105.00 15.00 611.15 569.94 41.21
23 128.50 113.40 15.10 611.07 569.83 41.24
24 97.10 81.70 15.40 611.49 568.39 43.10
AVG 100.96 88.63 12.33 611.85 569.22 42.63
MAX 128.50 119.50 15.50 612.35 570.24 44.44
MIN 50.80 37.80 6.90 611.07 567.70 41.21
BUILDING STRONG®