Dams and Reservoirs

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Brilliant Dam

Learn more about Columbia River Treaty dams and reservoirs and find out what Basin residents said at information sessions.

Dams & Reservoirs

Duncan Dam and Duncan Reservoir

Duncan Dam and Duncan Reservoir – Highlights

Duncan Dam

Construction began in 1964
Completed in 1967: the first of three Columbia River Treaty dams on the Columbia River in Canada
Operated by BC Hydro
Formed Duncan Reservoir
Generating capacity: water storage facility with no powerhouse

Maps

Pre- and Post-Dam Images

Videos

Speakers’ Corner Video: Voices from Kootenay Lake and Duncan Reservoir

Virtual Flyover: Duncan Dam and Reservoir

Hugh Keenleyside Dam and Arrow Lakes Reservoir

Hugh Keenleyside Dam and Arrow Lakes Reservoir – Highlights

Hugh Keenleyside Dam

Construction began March 1965
Completed in 1968, the second of three Columbia River Treaty dams on the Columbia River in Canada
Originally named High Arrow Dam
Operated by BC Hydro
Formed Arrow Lakes Reservoir
Generating capacity: constructed as a water storage facility with no powerhouse. In 2002, the 185-MW Arrow Lakes Generating Station was constructed at Hugh Keenleyside Dam

Maps

Pre- and Post-Dam Images

Videos

Speakers’ Corner Video: Hugh Keenleyside Dam and Arrow Lakes Reservoir

Virtual Flyover: Hugh Keenleyside Dam and Arrow Lakes Reservoir

Libby Dam and Koocanusa Reservoir

Libby Dam and Koocanusa Reservoir – Highlights

Libby Dam

Construction in Montana began in 1965
Completed in 1972
Operated by U.S. Army Corps of Engineers
Formed Koocanusa Reservoir, which extends 67 km into Canada
Generating capacity: 525 MW

Maps

Koocanusa Reservoir

Pre- and Post-Dam Images

Videos

Speakers’ Corner Video: Voices from Libby Dam Koocanusa Reservoir

Virtual Flyover: Libby Dam and Koocanusa Reservoir

Mica Dam and Kinbasket Reservoir

Mica Dam and Kinbasket Reservoir – Highlights

Mica Dam

Construction began in 1965
Completed in 1973: the last of three Columbia River Treaty dams constructed on the Columbia River in Canada
Operated by BC Hydro
Formed Kinbasket Reservoir
Generating capacity: 2,805 MW

Maps

Pre- and Post-Dam Images

Videos

Speakers’ Corner Video: Mica Dam and Kinbasket Reservoir

Virtual Flyover: Mica Dam and Kinbasket Reservoir

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