US Army Corps of Engineers

Chief Joseph Dam

Tuesday September 22, 2026

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage HeadAverage Forebay ElevationAverage Tailwater Elevation
1 48.00 48.00 0.00 953.10 777.40 175.70 953.10 777.30
2 42.10 42.10 0.00 953.30 777.00 176.30 953.10 777.20
3 34.20 34.20 0.00 953.20 777.30 175.90 953.30 777.00
4 33.80 33.80 0.00 953.30 777.20 176.10 953.20 777.30
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
AVG 39.52 39.52 0.00 953.23 777.22 176.00 953.17 777.20
MAX 48.00 48.00 0.00 953.30 777.40 176.30 953.30 777.30
MIN 33.80 33.80 0.00 953.10 777.00 175.70 953.10 777.00