US Army Corps of Engineers

Lower Monumental Dam

Tuesday October 28, 2025

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage HeadNav Lock Tailwater Elevation
1 26.90 26.30 0.00 538.57 439.25 99.32 439.18
2 26.40 25.80 0.00 538.28 439.14 99.14 439.14
3 13.90 13.30 0.00 538.43 439.02 99.41 438.75
4 13.40 12.80 0.00 538.36 439.31 99.05 439.22
5 13.70 12.80 0.40 538.46 438.85 99.61 438.92
6 21.00 12.70 7.80 538.06 438.73 99.33 439.19
7 25.40 16.90 7.90 538.59 438.87 99.72 439.20
8 25.80 17.10 8.10 538.51 438.60 99.91 438.73
9 25.50 17.00 7.90 538.78 438.75 100.03 438.61
10 14.80 12.70 0.00 538.81 438.73 100.08 438.33
11 13.20 12.60 0.00 538.83 438.85 99.98 438.56
12 14.70 12.60 0.00 539.02 438.73 100.29 438.35
13 13.10 12.50 0.00 538.77 438.76 100.01 438.41
14 13.10 12.50 0.00 539.05 439.05 100.00 438.93
15 13.00 12.40 0.00 538.81 438.79 100.02 438.42
16 13.20 12.60 0.00 539.22 438.97 100.25 438.79
17 14.10 13.50 0.00 538.79 439.24 99.55 439.46
18 26.90 26.30 0.00 538.78 439.06 99.72 438.91
19 26.90 26.30 0.00 539.06 439.06 100.00 438.85
20 27.10 26.50 0.00 538.83 439.17 99.66 438.98
21 27.10 26.50 0.00 539.06 439.05 100.01 438.89
22 14.00 13.40 0.00 538.99 438.80 100.19 438.43
23 14.60 12.50 0.00 538.99 438.81 100.18 438.54
24 13.10 12.50 0.00 538.99 438.65 100.34 438.18
AVG 18.79 16.67 1.34 538.75 438.93 99.82 438.79
MAX 27.10 26.50 8.10 539.22 439.31 100.34 439.46
MIN 13.00 12.40 0.00 538.06 438.60 99.05 438.18
BUILDING STRONG®