US Army Corps of Engineers

Bonneville Dam

Tuesday September 28, 2021

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsPH 1 Forebay ElevationTailwater ElevationAverage HeadProject Forebay ElevationStevenson Gage ElevationProject Tailwater Elevation
1 100.20 92.80 0.00 75.50 9.90 65.60 75.30 75.80 10.00
2 86.00 78.60 0.00 75.50 9.10 66.40 75.30 75.70 9.30
3 84.50 77.10 0.00 75.20 9.00 66.20 75.10 75.50 9.00
4 84.60 77.20 0.00 75.30 8.90 66.40 75.10 75.50 8.80
5 84.70 77.30 0.00 75.30 8.70 66.60 75.10 75.50 8.70
6 85.40 78.00 0.00 75.30 8.60 66.70 75.10 75.50 8.60
7 85.60 78.20 0.00 75.20 8.30 66.90 75.00 75.40 8.40
8 87.70 78.00 2.30 75.20 8.50 66.70 75.00 75.40 8.40
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
AVG 87.34 79.65 0.29 75.31 8.88 66.44 75.12 75.54 8.90
MAX 100.20 92.80 2.30 75.50 9.90 66.90 75.30 75.80 10.00
MIN 84.50 77.10 0.00 75.20 8.30 65.60 75.00 75.40 8.40

  Powerhouse 1 Powerhouse 2 Project
HourGeneration Flow kcfsForebay ElevationForebay ElevationGeneration Flow kcfsSpillway Gates in UseMiscellaneous Flow kcfs
1 0.70 75.5 75.3 92.10 0 7.4
2 0.80 75.5 75.3 77.80 0 7.4
3 0.80 75.2 75.1 76.30 0 7.4
4 0.70 75.3 75.1 76.50 0 7.4
5 0.80 75.3 75.1 76.50 0 7.4
6 0.80 75.3 75.1 77.20 0 7.4
7 0.80 75.2 75.0 77.40 2 7.4
8 0.80 75.2 75.0 77.20 2 7.4
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
AVG 0.77 75.3 75.1 78.88 0 7.4
MAX 0.80 75.5 75.3 92.10 2 7.4
MIN 0.70 75.2 75.0 76.30 0 7.4