US Army Corps of Engineers

Lower Monumental Dam & Lake

July 2026

Day of MonthTotal Generation MWhAverage Generation MWStation Use MWhInflow kcfsTotal Outflow kcfsGeneration Flow kcfsSpill kcfsMidnight Reservoir ElevationAverage Forebay ElevationAverage Tailwater ElevationAverage Head feet
1 43.30 43.40 25.40 17.30 537.86 537.83 438.27 99.56
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
TOT           
AVG    43.30 43.40 25.40 17.30 537.86 537.83 438.27 99.56
MAX    43.30 43.40 25.40 17.30 537.86 537.83 438.27 99.56
MIN    43.30 43.40 25.40 17.30 537.86 537.83 438.27 99.56