US Army Corps of Engineers

Lower Monumental Dam

Tuesday July 1, 2025

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage HeadNav Lock Tailwater Elevation
1 35.30 17.70 17.00 537.76 438.22 99.54 438.00
2 35.20 17.70 17.00 537.78 438.19 99.59 438.08
3 36.60 17.70 16.90 537.77 438.20 99.57 438.00
4 35.10 17.60 16.90 537.95 438.24 99.71 438.08
5 35.20 17.60 17.00 537.78 438.16 99.62 437.95
6 35.20 17.60 17.00 537.84 438.16 99.68 438.00
7 35.20 17.60 17.00 537.80 438.14 99.66 437.97
8 35.20 17.60 17.00 537.85 438.07 99.78 437.88
9 35.40 17.70 17.10 537.84 438.08 99.76 437.89
10 35.40 17.80 17.10 537.82 438.10 99.72
11 35.30 17.70 17.00 537.84 438.15 99.69 437.88
12 35.20 17.60 17.00 537.84 438.09 99.75 437.77
13 35.50 17.90 17.00 537.84 438.09 99.75 437.85
14 35.40 17.50 17.30 537.87 438.10 99.77 437.81
15 35.80 18.20 17.00 537.85 438.22 99.63 438.23
16 44.80 27.30 16.90 537.92 438.37 99.55 438.11
17 47.00 28.00 16.90 537.91 438.38 99.53 438.19
18 45.60 28.00 17.00 537.84 438.50 99.34 438.43
19 45.40 27.90 16.90 537.80 438.47 99.33 438.36
20 45.00 27.60 16.80 537.80 438.51 99.29 438.27
21 44.60 27.10 16.80 537.83 438.45 99.38 438.39
22 33.40 15.90 16.90 537.92 438.23 99.69 438.09
23 32.90 15.40 16.90 537.98 438.28 99.70 438.25
24 32.70 15.20 16.90 538.16 438.16 100.00 438.01
AVG 37.60 19.91 16.97 537.86 438.23 99.63 438.07
MAX 47.00 28.00 17.30 538.16 438.51 100.00 438.43
MIN 32.70 15.20 16.80 537.76 438.07 99.29 437.77