US Army Corps of Engineers

Lower Granite Dam

Monday February 16, 2026

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage HeadLWSI Gage ElevationLWGW NavLock Elevation
1 13.60 13.50 0.00 736.59 636.62 99.97 736.75 637.02
2 15.30 13.50 0.00 736.79 636.25 100.54 736.87 636.61
3 13.50 13.40 0.00 736.90 636.53 100.37 736.93 636.93
4 14.30 14.20 0.00 736.87 637.45 99.42 737.08 638.01
5 27.60 27.50 0.00 736.82 636.71 100.11 737.23 637.25
6 39.80 39.70 0.00 736.78 636.78 100.00 737.09 637.16
7 40.30 40.20 0.00 736.62 637.02 99.60 736.88 637.37
8 40.40 40.30 0.00 736.44 636.75 99.69 736.81 637.15
9 40.30 40.20 0.00 736.38 636.57 99.81 736.72 636.97
10 39.90 39.80 0.00 736.35 636.51 99.84 736.55 636.80
11 27.20 27.10 0.00 736.40 635.89 100.51 736.47 636.43
12
13
14
15
16
17
18
19
20
21
22
23
24
AVG 28.38 28.13 0.00 736.63 636.64 99.99 736.85 637.06
MAX 40.40 40.30 0.00 736.90 637.45 100.54 737.23 638.01
MIN 13.50 13.40 0.00 736.35 635.89 99.42 736.47 636.43