US Army Corps of Engineers

Rock Island Dam

Saturday May 9, 2026

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage Head
1 174.30 148.90 25.40 612.65 574.24 38.41
2 174.00 149.40 24.60 612.82 574.18 38.64
3 167.10 150.20 16.90 612.53 574.33 38.20
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
AVG 171.80 149.50 22.30 612.67 574.25 38.42
MAX 174.30 150.20 25.40 612.82 574.33 38.64
MIN 167.10 148.90 16.90 612.53 574.18 38.20