US Army Corps of Engineers

Lower Monumental Dam

Monday September 1, 2025

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage HeadNav Lock Tailwater Elevation
1 15.10 12.40 0.60 538.90 439.25 99.65 439.15
2 13.20 12.60 0.00 538.62 439.32 99.30 439.24
3 13.30 12.70 0.00 538.72 439.02 99.70
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
AVG 13.87 12.57 0.20 538.75 439.20 99.55 439.20
MAX 15.10 12.70 0.60 538.90 439.32 99.70 439.24
MIN 13.20 12.40 0.00 538.62 439.02 99.30 439.15