Chief Joseph Dam
Dam in Douglas County, Washington · Columbia River · forms Rufus Woods Lake
Height
230 ft
70 m (NID height)
Length
4,300 ft
1,311 m
Completed
1955
Rufus Woods Lake today
953.20 ft
7 days ▲ 0.10 ft
Normal storage
516,000 acre-ft
Normal for the date
Reservoir level measured Oct 23, 2026, 12:00 AM PDT. Full level page →
Facts
- Purposes
- Hydroelectric; Recreation
- Dam type
- Gravity
- Structural height
- 230 ft
- Owner
- USACE - Seattle District (Federal)
- Maximum storage
- 593,000 acre-ft
- Surface area
- 8,400 acres
- Hydraulic height
- 205 ft
- Drainage area
- 75,400 sq mi
- Spillway
- Controlled, 980 ft wide
- Army Corps district
- Seattle District
- Also known as
- Rufus Woods Lake
- NID ID
- WA00299
Facts from the U.S. Army Corps of Engineers National Inventory of Dams, record updated Jun 5, 2026. Search NID ID WA00299 at nid.sec.usace.army.mil. Project website.