Dams

Water is Power

The thunder and roar that amazed the Lewis and Clark Expedition in 1805 upon discovering the original five great falls of the Missouri can still be experienced throughout the state. While magnificent strictures have been built to harness energy and reserve water, many falls still rush freely.

 
Dams Location (by Area) Spillway Owner
Black Eagle Great Falls Top PPL Montana LLC
Canyon Ferry Helena Middle
Bureau of Reclamation
Cochrane
Great Falls
Top
PPL Montana LLC
Fort Peck
Fort Peck
Top
Army Corps of Engineers
Gibson
Augusta
Middle (arch)
Bureau of Reclamation
Hauser
Helena
Top
PPL Montana LLC
Hebgen
West Yellowstone
Top 
PPL Montana LLC
Holter
Helena
Top
PPL Montana LLC
Hungry Horse
Hungry Horse
Bottom (arch-gravity)
Bureau of Reclamation
Kerr
Polson
Top (arch)
PPL Montana LLC
Libby
Libby
Bottom
Army Corps of Engineers
Madison
Ennis
Top
PPL Montana LLC
Morony
Great Falls
Top
PPL Montana LLC
Mystic Lake
Columbus
Top (arch)
PPL Montana LLC
Rainbow
Great Falls
Top
PPL Montana LLC
Ryan
Great Falls
Top
PPL Montana LLC
Sun River
Augusta
Top
Private
Swift
Dupuyer
Middle (arch)
Private
Thompson Falls
Thompson Falls
Top
PPL Montana LLC
Yellowtail
Billings
Bottom (arch)
Bureau of Reclamation
All dams listed are "Gravity" type unless otherwise noted.
 
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