US Army Corps of Engineers

Lower Monumental Dam

Tuesday November 4, 2025

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage HeadNav Lock Tailwater Elevation
1 15.40 13.30 0.00 538.62 439.10 99.52 439.03
2 13.90 13.30 0.00 538.79 439.06 99.73 438.90
3 13.80 13.20 0.00 538.82 439.07 99.75 438.82
4 13.90 13.30 0.00 538.74 439.08 99.66 438.92
5 14.50 13.40 0.50 538.76 439.10 99.66 439.50
6 22.70 13.80 8.30 538.69 438.53 100.16 438.99
7 35.30 26.60 8.10 538.71 438.93 99.78 439.16
8 36.90 26.50 8.30 538.74 439.01 99.73 438.97
9 35.50 26.80 8.00 538.70 438.99 99.71 438.68
10 27.30 26.70 0.00 538.65 439.02 99.63 438.79
11 15.10 14.50 0.00 538.36 438.86 99.50
12
13
14
15
16
17
18
19
20
21
22
23
24
AVG 22.21 18.31 3.02 538.69 438.98 99.71 438.98
MAX 36.90 26.80 8.30 538.82 439.10 100.16 439.50
MIN 13.80 13.20 0.00 538.36 438.53 99.50 438.68