US Army Corps of Engineers

Lower Granite Dam

Monday September 15, 2025

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage HeadLWSI Gage ElevationLWGW NavLock Elevation
1 13.80 13.40 0.00 737.06 636.93 100.13 737.17 637.24
2 13.60 13.20 0.00 737.16 636.76 100.40 737.18 637.12
3 13.60 13.20 0.00 737.16 637.08 100.08 737.28 637.42
4 13.60 13.20 0.00 737.22 637.00 100.22 737.36 637.38
5 14.90 13.20 1.30 737.26 636.83 100.43 737.39 637.79
6 23.90 13.20 10.30 737.21 636.36 100.85 737.47 637.63
7 23.70 13.00 10.30 737.23 636.03 101.20 737.36 637.18
8 23.30 12.60 10.30 737.20 636.31 100.89 737.34 637.57
9 23.20 12.60 10.10 737.15 636.37 100.78 737.33 637.37
10 17.00 16.60 0.00 737.23 636.69 100.54 737.28 637.06
11 17.30 16.90 0.00 737.26 637.16 100.10 737.30 637.52
12 17.40 17.00 0.00 737.23 636.89 100.34 737.38 637.21
13 17.20 16.80 0.00 737.32 636.71 100.61 737.38 637.17
14 17.30 16.90 0.00 737.36 637.21 100.15 737.39 637.65
15
16
17
18
19
20
21
22
23
24
AVG 17.84 14.41 3.02 737.22 636.74 100.48 737.33 637.38
MAX 23.90 17.00 10.30 737.36 637.21 101.20 737.47 637.79
MIN 13.60 12.60 0.00 737.06 636.03 100.08 737.17 637.06