US Army Corps of Engineers

Rock Island Dam

Wednesday March 4, 2026

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage Head
1 102.90 102.90 0.00 611.86 569.84 42.02
2 98.70 98.70 0.00 611.81 569.69 42.12
3 100.70 100.70 0.00 611.92 569.81 42.11
4 103.40 103.40 0.00 612.14 569.77 42.37
5 104.70 104.70 0.00 612.10 569.78 42.32
6 140.00 140.00 0.00 611.04 571.27 39.77
7 146.20 146.20 0.00 611.09 571.62 39.47
8 159.30 159.30 0.00 611.26 571.86 39.40
9 150.00 150.00 0.00 611.64 571.65 39.99
10 132.80 132.80 0.00 611.95 570.40 41.55
11 115.50 115.30 0.20 611.78 570.38 41.40
12 102.90 102.90 0.00 611.81 570.24 41.57
13 95.10 95.10 0.00 611.56 569.86 41.70
14 91.30 91.30 0.00 611.38 570.27 41.11
15 86.70 86.70 0.00 611.34 570.11 41.23
16 88.60 88.60 0.00 611.09 571.10 39.99
17 109.70 109.70 0.00 611.48 572.00 39.48
18 114.60 114.60 0.00 611.68 571.42 40.26
19 119.30 119.30 0.00 611.54 572.51 39.03
20 146.80 146.80 0.00 611.60 571.92 39.68
21 122.10 122.10 0.00 611.72 571.15 40.57
22 118.70 118.70 0.00 611.66 571.00 40.66
23 121.00 121.00 0.00 611.63 571.35 40.28
24 131.10 131.10 0.00 611.62 571.27 40.35
AVG 116.75 116.75 0.01 611.61 570.84 40.77
MAX 159.30 159.30 0.20 612.14 572.51 42.37
MIN 86.70 86.70 0.00 611.04 569.69 39.03