US Army Corps of Engineers

Chief Joseph Dam

Monday August 3, 2026

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage HeadAverage Forebay ElevationAverage Tailwater Elevation
1 81.60 81.60 0.00 952.40 782.00 170.40 952.50 782.20
2 71.90 71.90 0.00 952.40 782.00 170.40 952.50 781.90
3 67.50 67.50 0.00 952.40 782.10 170.30 952.40 782.10
4 65.40 65.40 0.00 952.40 781.90 170.50 952.40 782.00
5 66.70 66.70 0.00 952.30 782.30 170.00 952.30 782.00
6 77.70 77.70 0.00 952.20 781.90 170.30 952.20 782.00
7 77.90 77.90 0.00 952.20 781.60 170.60 952.20 781.70
8 69.40 69.40 0.00 952.20 781.00 171.20 952.30 781.10
9 67.40 67.40 0.00 952.10 780.90 171.20 952.10 781.00
10 55.20 55.20 0.00 952.30 780.10 172.20 952.20 780.20
11 54.30 54.30 0.00 952.30 780.00 172.30 952.30 780.10
12 57.40 57.40 0.00 952.20 779.50 172.70 952.30 779.80
13 70.60 70.60 0.00 952.20 779.80 172.40 952.20 779.90
14 72.10 72.10 0.00 952.40 779.20 173.20 952.30 779.60
15 76.20 76.20 0.00 952.40 779.50 172.90 952.40 779.40
16 84.90 84.90 0.00 952.80 779.60 173.20 952.50 779.70
17 100.90 100.90 0.00 952.70 781.40 171.30 952.70 780.40
18 134.90 134.90 0.00 952.70 782.60 170.10 952.70 782.40
19 131.10 131.10 0.00 953.00 782.70 170.30 952.90 782.00
20 139.80 139.80 0.00 952.90 782.60 170.30 952.90 782.70
21 138.60 138.60 0.00 953.10 782.40 170.70 952.90 782.60
22 139.30 139.30 0.00 953.00 782.50 170.50 953.00 782.80
23 116.60 116.60 0.00 953.20 781.70 171.50 953.10 781.80
24 101.40 101.40 0.00 953.20 781.70 171.50 953.10 781.80
AVG 88.28 88.28 0.00 952.54 781.29 171.25 952.52 781.30
MAX 139.80 139.80 0.00 953.20 782.70 173.20 953.10 782.80
MIN 54.30 54.30 0.00 952.10 779.20 170.00 952.10 779.40
BUILDING STRONG®