US Army Corps of Engineers

Lower Monumental Dam

Saturday March 7, 2026

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage HeadNav Lock Tailwater Elevation
1 34.40 34.10 0.00 539.20 439.65 99.55 439.72
2 30.70 30.40 0.00 539.40 439.62 99.78 439.69
3 29.80 29.50 0.00 539.16 439.46 99.70 439.44
4 30.30 30.00 0.00 539.32 439.61 99.71 439.87
5 44.20 43.90 0.00 539.12 439.71 99.41 439.85
6 44.40 44.10 0.00 539.52 439.61 99.91 439.69
7 44.40 44.10 0.00 539.28 439.83 99.45 440.06
8 44.70 44.40 0.00 539.55 439.74 99.81 439.91
9 44.40 44.10 0.00 539.56 439.74 99.82 439.92
10 44.10 43.80 0.00 539.54 439.87 99.67 440.08
11 44.10 43.80 0.00 539.52 439.72 99.80 439.75
12 40.30 40.00 0.00 539.37 439.66 99.71 439.85
13 36.10 35.80 0.00 539.39 439.69 99.70 439.84
14 35.60 35.30 0.00 539.27 439.60 99.67 439.61
15 35.50 35.20 0.00 539.39 439.58 99.81 439.67
16 36.30 36.00 0.00 539.30 439.62 99.68 439.82
17 41.00 40.70 0.00 539.27 439.62 99.65 439.71
18 41.30 41.00 0.00 539.27 439.59 99.68 439.62
19 41.00 40.70 0.00 539.28 439.65 99.63 439.76
20 41.30 41.00 0.00 539.27 439.61 99.66 439.76
21 41.50 41.20 0.00 539.34 439.61 99.73 439.66
22 41.60 41.30 0.00 539.33 439.65 99.68 439.76
23 41.30 41.00 0.00 539.36 439.68 99.68 439.78
24 41.00 40.70 0.00 539.38 439.49 99.89 439.48
AVG 39.55 39.25 0.00 539.35 439.65 99.70 439.77
MAX 44.70 44.40 0.00 539.56 439.87 99.91 440.08
MIN 29.80 29.50 0.00 539.12 439.46 99.41 439.44