US Army Corps of Engineers

Lower Granite Dam

Monday September 1, 2025

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage HeadLWSI Gage ElevationLWGW NavLock Elevation
1 14.10 13.00 0.60 734.21 636.55 97.66 734.18 637.03
2 13.50 13.10 0.00 734.25 636.45 97.80 734.19 636.61
3 13.10 12.70 0.00 734.32 636.18 98.14 734.20 636.48
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
AVG 13.57 12.93 0.20 734.26 636.39 97.87 734.19 636.71
MAX 14.10 13.10 0.60 734.32 636.55 98.14 734.20 637.03
MIN 13.10 12.70 0.00 734.21 636.18 97.66 734.18 636.48