US Army Corps of Engineers

Bonneville Dam

Monday May 23, 2022

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsPH 1 Forebay ElevationTailwater ElevationAverage HeadProject Forebay ElevationStevenson Gage ElevationProject Tailwater Elevation
1 269.80 107.00150.40 73.70 21.30 52.40 73.50 75.30 21.10
2 259.40 96.90150.10 73.90 20.90 53.00 73.80 75.40 20.80
3 257.60 95.90149.30 74.10 20.90 53.20 73.90 75.50 20.80
4 257.80 95.90149.50 74.20 20.80 53.40 74.00 75.60 20.70
5 258.20 96.40149.40 74.20 20.80 53.40 73.90 75.70 20.70
6 258.90 97.00149.50 74.30 20.80 53.50 74.10 75.80 20.70
7 258.40 96.50149.50 74.50 20.80 53.70 74.20 75.90 20.60
8 257.20 95.30149.50 74.50 20.70 53.80 74.30 75.90 20.60
9 257.40 95.50149.50 74.50 20.70 53.80 74.30 76.00 20.60
10 260.40 98.50149.50 74.50 20.70 53.80 74.40 76.00 20.60
11 261.60 99.70149.50 74.50 20.80 53.70 74.40 76.10 20.70
12 261.90 100.10149.40 74.50 20.80 53.70 74.40 76.00 20.60
13 262.30 100.50149.40 74.50 20.80 53.70 74.30 76.00 20.50
14 262.10 100.30149.40 74.50 20.80 53.70 74.40 76.00 20.50
15 262.10 100.20149.50 74.50 20.80 53.70 74.40 76.10 20.60
16 262.20 100.10149.70 74.50 20.80 53.70 74.40 76.10 20.60
17 262.90 100.80149.70 74.50 20.80 53.70 74.40 76.10 20.60
18 262.40 100.40149.60 74.40 20.80 53.60 74.30 76.00 20.60
19 262.10 100.10149.60 74.40 20.80 53.60 74.30 76.00 20.60
20 262.40 100.30149.70 74.50 20.70 53.80 74.40 76.00 20.60
21 262.60 100.30149.90 74.50 20.80 53.70 74.40 76.00 20.50
22 261.80 99.50149.90 74.50 20.90 53.60 74.40 76.00 20.50
23
24
AVG 260.98 98.96149.61 74.37 20.82 53.55 74.22 75.89 20.64
MAX 269.80 107.00150.40 74.50 21.30 53.80 74.40 76.10 21.10
MIN 257.20 95.30149.30 73.70 20.70 52.40 73.50 75.30 20.50

  Powerhouse 1 Powerhouse 2 Project
HourGeneration Flow kcfsForebay ElevationForebay ElevationGeneration Flow kcfsSpillway Gates in UseMiscellaneous Flow kcfs
1 25.10 73.7 73.5 81.90 18 12.4
2 13.40 73.9 73.8 83.50 18 12.4
3 9.70 74.1 73.9 86.20 18 12.4
4 9.70 74.2 74.0 86.20 18 12.4
5 9.60 74.2 73.9 86.80 18 12.4
6 9.60 74.3 74.1 87.40 18 12.4
7 9.60 74.5 74.2 86.90 18 12.4
8 25.90 74.5 74.3 69.40 18 12.4
9 26.30 74.5 74.3 69.20 18 12.4
10 29.60 74.5 74.4 68.90 18 12.4
11 29.90 74.5 74.4 69.80 18 12.4
12 29.70 74.5 74.4 70.40 18 12.4
13 29.90 74.5 74.3 70.60 18 12.4
14 29.60 74.5 74.4 70.70 18 12.4
15 29.20 74.5 74.4 71.00 18 12.4
16 29.30 74.5 74.4 70.80 18 12.4
17 29.50 74.5 74.4 71.30 18 12.4
18 29.30 74.4 74.3 71.10 18 12.4
19 29.20 74.4 74.3 70.90 18 12.4
20 28.90 74.5 74.4 71.40 18 12.4
21 29.40 74.5 74.4 70.90 18 12.4
22 29.10 74.5 74.4 70.40 18 12.4
23
24
AVG 23.70 74.4 74.2 75.26 18 12.4
MAX 29.90 74.5 74.4 87.40 18 12.4
MIN 9.60 73.7 73.5 68.90 18 12.4
BUILDING STRONG®