US Army Corps of Engineers

Chief Joseph Dam

Thursday August 6, 2026

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage HeadAverage Forebay ElevationAverage Tailwater Elevation
1 86.70 86.70 0.00 953.40 780.80 172.60 953.50 781.10
2 74.00 74.00 0.00 953.50 780.10 173.40 953.50 780.60
3 63.00 63.00 0.00 953.40 780.50 172.90 953.50 780.30
4 54.40 54.40 0.00 953.10 780.40 172.70 953.20 780.40
5 54.30 54.30 0.00 953.00 780.60 172.40 953.00 780.50
6 56.00 56.00 0.00 953.00 780.52 172.48 953.00 780.70
7 50.20 50.20 0.00 952.90 780.90 172.00 953.10 780.40
8 59.80 59.80 0.00 952.90 780.60 172.30 952.90 780.80
9 61.80 61.80 0.00 952.90 780.80 172.10 952.90 780.70
10 69.30 69.30 0.00 952.90 781.20 171.70 952.80 781.10
11 80.60 80.60 0.00 952.80 781.50 171.30 952.80 781.50
12 85.90 85.90 0.00 952.70 781.90 170.80 952.80 781.70
13 97.30 97.30 0.00 954.60 782.40 172.20 952.70 782.10
14 119.60 119.60 0.00 952.30 783.10 169.20 952.40 783.10
15 127.30 127.30 0.00 952.30 783.30 169.00 952.30 783.40
16 130.60 130.60 0.00 952.30 783.60 168.70 952.30 783.70
17 129.60 129.60 0.00 952.40 783.70 168.70 952.40 783.70
18 131.70 131.70 0.00 952.50 784.00 168.50 952.50 783.70
19 131.60 131.60 0.00 952.80 783.80 169.00 952.70 783.80
20 129.90 129.90 0.00 953.10 783.70 169.40 953.00 783.70
21 128.30 128.30 0.00 953.50 783.70 169.80 953.30 783.70
22 128.80 128.80 0.00 953.50 783.50 170.00 953.50 783.70
23 123.90 123.90 0.00 953.40 783.40 170.00 953.50 783.40
24 120.10 120.10 0.00 953.00 783.20 169.80 953.30 783.30
AVG 95.61 95.61 0.00 953.01 782.13 170.87 952.95 782.13
MAX 131.70 131.70 0.00 954.60 784.00 173.40 953.50 783.80
MIN 50.20 50.20 0.00 952.30 780.10 168.50 952.30 780.30