US Army Corps of Engineers

Rock Island Dam

Tuesday September 22, 2026

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage Head
1 23.70 23.70 0.00 611.81 566.75 45.06
2 13.10 13.10 0.00 611.50 566.62 44.88
3 10.60 10.60 0.00 611.70 567.73 43.97
4 10.70 10.70 0.00 611.59 566.58 45.01
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
AVG 14.52 14.52 0.00 611.65 566.92 44.73
MAX 23.70 23.70 0.00 611.81 567.73 45.06
MIN 10.60 10.60 0.00 611.50 566.58 43.97