US Army Corps of Engineers

Lower Granite Dam

Friday June 5, 2026

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage HeadLWSI Gage ElevationLWGW NavLock Elevation
1 50.00 12.10 37.50 735.18 633.55 101.63 735.73 634.73
2 49.90 12.10 37.50 735.17 633.64 101.53 735.72 634.77
3 50.00 12.10 37.50 735.17 633.53 101.64 735.71 634.68
4 50.00 12.10 37.50 735.16 633.53 101.63 735.70 634.72
5 50.00 12.10 37.50 735.14 633.53 101.61 735.70 634.65
6 50.00 12.10 37.50 735.14 633.54 101.60 735.70 634.68
7 50.00 12.10 37.50 735.16 633.49 101.67 735.69 634.77
8 50.00 12.20 37.50 735.18 633.70 101.48 735.69 634.77
9 50.00 12.10 37.50 735.18 633.68 101.50 735.69 634.79
10 49.90 12.10 37.50 735.22 633.74 101.48 735.71 634.73
11 50.00 12.10 37.50 735.25 633.79 101.46 735.76 634.89
12 50.00 12.10 37.50 735.28 633.81 101.47 735.84 634.86
13 50.10 12.10 37.60 735.33 633.74 101.59 735.91 634.72
14 50.20 12.10 37.70 735.35 633.79 101.56 735.99 634.84
15 50.40 12.10 37.90 735.40 633.79 101.61 736.03 634.90
16 50.30 12.10 37.90 735.44 633.80 101.64 736.05 634.83
17
18
19
20
21
22
23
24
AVG 50.05 12.11 37.57 735.23 633.67 101.57 735.79 634.77
MAX 50.40 12.20 37.90 735.44 633.81 101.67 736.05 634.90
MIN 49.90 12.10 37.50 735.14 633.49 101.46 735.69 634.65