Hungry Horse Dam
Dam in Flathead County, Montana · South Fork Flathead River · forms Hungry Horse Reservoir
Height
564 ft
172 m (NID height)
Length
2,115 ft
645 m
Completed
1953
Hungry Horse Reservoir today
3,540.80 ft
7 days ▼ 1.14 ft
vs full pool
▲ 204.80 ft
Normal storage
3,468,000 acre-ft
Normal for the date
Reservoir level measured Oct 23, 2026, 1:00 PM MDT. Full level page →
Facts
- Purposes
- Flood Risk Reduction; Irrigation; Hydroelectric
- Dam type
- Concrete
- Structural height
- 564 ft
- Owner
- BUREAU OF RECLAMATION (Federal)
- Maximum storage
- 3,588,000 acre-ft
- Surface area
- 24,100 acres
- Hydraulic height
- 515 ft
- Drainage area
- 1,660 sq mi
- Spillway
- Controlled, 25 ft wide
- Army Corps district
- Seattle District
- Also known as
- Hungry Horse Reservoir
- NID ID
- MT00565
Facts from the U.S. Army Corps of Engineers National Inventory of Dams, record updated Oct 22, 2025. Search NID ID MT00565 at nid.sec.usace.army.mil. Project website.