Duncan Dam is a dam spanning the Duncan River in the

Canadian province Within the geographical areas of Canada, the ten provinces and three territories are sub-national administrative divisions under the jurisdiction of the Canadian Constitution. In the 1867 Canadian Confederation, three provinces of British Nor ...

British Columbia British Columbia (commonly abbreviated as BC) is the westernmost province of Canada, situated between the Pacific Ocean and the Rocky Mountains. It has a diverse geography, with rugged landscapes that include rocky coastlines, sandy beaches, for ...

. Duncan Dam was the first dam built to satisfy the

Columbia River Treaty The Columbia River Treaty is a 1961 agreement between Canada and the United States on the development and operation of dams in the upper Columbia River basin for power and flood control benefits in both countries. Four dams were constructed under ...

, initiated after the 1948 flood along the lower Columbia, which proved fatal at Vanport City, Oregon and other locations. Construction began in 1965 and was completed in 1967. It is an earthfill dam with no power generation facilities. It was built as a storage facility, controlling the flow of water from the Duncan River into the

Kootenay Lake Kootenay Lake is a lake located in British Columbia, Canada. It is part of the Kootenay River. The lake has been raised by the Corra Linn Dam and has a dike system at the southern end, which, along with industry in the 1950s–70s, has changed ...

reservoir. The reservoir's storage is over 50% greater than Kootenay Lake. The reservoir is usually filled by August. The Duncan river drainage basin is 2,400 square kilometers. The dam regulates 10% of the water in the Kootenay River basin. Duncan Dam and Libby Dam together ensure operational water levels for the Kootenay Canal and Corra Linn Dam projects. Duncan Dam is owned and operated by BC Hydro.Duncan Dam
, Balance of Power

References

External links

* Dams in British Columbia Regional District of Central Kootenay Dams completed in 1967 BC Hydro Publicly owned dams in Canada {{BritishColumbia-struct-stub