Libby Dam and Lake Koocanusa
Libby Dam was authorized by Congress in the 1950 Flood Control Act for hydropower and flood protection, and construction was completed in 1973. The dam is located on the Kootenai River, 17 miles upstream of Libby, Montana.
The reservoir behind the dam, Lake Koocanusa, extends 90 miles upstream into British Columbia, Canada.
Libby Dam is the fourth dam constructed under the Columbia River Treaty between the U.S. and Canada. The other three treaty projects are located in Canada.
|Libby operations for flood risk management are based on a variable flow operating criteria.Lake Koocanusahas nearly five million acre-feet of storage space available for local and regional flood control.|
|Libby Dam has 5 turbine units and a total generating capacity of 525 megawatts–enough to power roughly 400,000 homes.|
|Water quality is monitored and managed consistent with Clean Water Act and state standards for the health of aquatic species.|
|There are nine Corps-managed public recreation areas and visitor facilities at Libby Dam and Lake Koocanusathat provide opportunities for a variety of activities, including fishing, camping, hiking, boating, and dam tours. The U.S. Forest Service manages additional recreation sites along the shores of Lake Koocanusa.|
|The Kootenai River, downstream of Libby Dam, is home to two fish species listed for protection under the Endangered Species Act –bull trout (threatened) and white sturgeon (endangered). Libby Dam is operated to provide adequate flows during critical periods for protection of these species. Lake Koocanusais home to a variety of sport fish, including rainbow trout, west slope cutthroat, brook trout, kokaneee salmon, burbot, whitefish, Kamloops trout, and others.|