US Army Corps of Engineers

Lower Monumental Dam

Wednesday October 29, 2025

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage HeadNav Lock Tailwater Elevation
1 13.10 12.50 0.00 538.94 438.87 100.07 438.54
2 13.10 12.50 0.00 539.04 438.80 100.24 438.51
3 13.10 12.50 0.00 538.83 438.69 100.14 438.29
4 13.10 12.50 0.00 539.06 438.83 100.23 438.62
5 13.60 12.60 0.40 538.91 438.73 100.18 438.84
6 22.80 13.80 8.40 538.83 438.57 100.26 439.40
7 35.80 26.80 8.40 538.89 438.86 100.03 439.00
8 35.40 26.60 8.20 538.75 438.77 99.98 438.69
9 35.00 26.30 8.10 538.75 438.89 99.86 438.49
10 18.10 17.50 0.00 538.71 438.70 100.01 438.24
11 14.00 13.40 0.00 538.76 438.80 99.96 438.46
12 13.90 13.30 0.00 538.68 438.67 100.01 438.20
13 13.80 13.20 0.00 538.76 438.68 100.08 438.21
14 13.80 13.20 0.00 538.80 438.91 99.89 438.60
15 13.80 13.20 0.00 538.71 438.70 100.01 438.26
16 13.80 13.20 0.00 538.73 438.84 99.89 438.49
17 13.90 13.30 0.00 538.73 438.97 99.76 438.71
18 13.70 13.10 0.00 538.76 438.73 100.03 438.33
19 15.20 13.10 0.00 538.71 438.87 99.84 438.42
20 13.80 13.20 0.00 538.77 438.82 99.95 438.45
21 13.80 13.20 0.00 538.74 438.81 99.93 438.47
22 13.90 13.30 0.00 538.75 438.88 99.87 438.52
23 13.20 12.60 0.00 538.74 438.80 99.94 438.43
24 13.20 12.60 0.00 538.74 438.97 99.77 438.66
AVG 16.95 14.90 1.40 538.80 438.80 100.00 438.54
MAX 35.80 26.80 8.40 539.06 438.97 100.26 439.40
MIN 13.10 12.50 0.00 538.68 438.57 99.76 438.20
BUILDING STRONG®