Canyon Ferry Dam
Dam in Lewis and Clark County, Montana · Missouri River · forms Canyon Ferry Reservoir
Height
225 ft
69 m (NID height)
Length
1,000 ft
305 m
Completed
1954
Canyon Ferry Reservoir today
3,784.47 ft
7 days ▲ 0.01 ft
vs full pool
▼ 12.53 ft
Normal storage
1,947,000 acre-ft
Normal for the date
Reservoir level measured Oct 23, 2026, 11:00 AM MDT. Full level page →
Facts
- Purposes
- Flood Risk Reduction; Irrigation; Fish and Wildlife Pond; Recreation; Hydroelectric
- Dam type
- Concrete
- Structural height
- 225 ft
- Owner
- BUREAU OF RECLAMATION (Federal)
- Maximum storage
- 2,051,000 acre-ft
- Surface area
- 34,435 acres
- Hydraulic height
- 172 ft
- Drainage area
- 15,904 sq mi
- Spillway
- Controlled, 204 ft wide
- Army Corps district
- Walla Walla District
- Also known as
- Canyon Ferry Lake
- NID ID
- MT00568
Facts from the U.S. Army Corps of Engineers National Inventory of Dams, record updated Oct 22, 2025. Search NID ID MT00568 at nid.sec.usace.army.mil. Project website.