US Army Corps of Engineers

Lower Monumental Dam

Monday July 14, 2025

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage HeadNav Lock Tailwater Elevation
1 29.90 12.40 17.00 537.95 437.78 100.17 437.49
2 29.80 12.20 17.00 538.01 437.91 100.10 437.66
3 29.70 12.20 16.90 537.94 437.95 99.99 437.84
4 29.70 12.20 16.90 537.97 437.98 99.99 437.91
5 29.90 12.30 16.90 537.90 438.05 99.85 437.97
6 29.80 12.30 16.90 537.93 438.05 99.88 437.99
7 29.70 12.20 16.90 537.92 438.16 99.76 438.16
8 29.70 12.20 16.90 537.89 438.17 99.72 438.11
9 29.90 12.30 17.00 537.90 438.25 99.65 438.19
10 30.10 12.40 17.10 537.86 438.30 99.56 438.27
11 29.90 12.20 17.10 537.87 438.11 99.76 437.92
12 29.90 12.20 17.10 537.83 438.16 99.67 438.11
13 31.30 12.20 17.00 537.85 438.03 99.82 437.90
14 29.70 12.30 16.90 537.79 437.93 99.86 437.79
15 29.90 12.40 16.90 537.84 438.07 99.77 437.92
16 29.90 12.30 17.10 537.81 437.88 99.93 437.56
17 31.50 12.30 17.00 537.79 437.84 99.95 437.55
18 29.90 12.30 17.10 537.82 437.83 99.99 437.47
19 29.90 12.40 16.90 537.77 437.74 100.03 437.39
20 29.70 12.30 16.90 537.78 437.66 100.12 437.31
21 29.90 12.40 16.90 537.93 437.61 100.32 437.19
22 30.00 12.50 16.90 538.15 437.80 100.35 437.48
23 30.00 12.40 17.00 538.08 437.76 100.32 437.47
24 30.00 12.50 17.00 538.11 437.83 100.28 437.80
AVG 29.99 12.31 16.97 537.90 437.95 99.95 437.77
MAX 31.50 12.50 17.10 538.15 438.30 100.35 438.27
MIN 29.70 12.20 16.90 537.77 437.61 99.56 437.19