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OAHE DAM - 7 MILES FROM PIERRE, SD
Construction of Oahe Dam began in 1948 and was completed and dedicated by President John F. Kennedy in 1962. The dam measures 9,300 feet in length with a maximum height of 245 feet. Each of the seven turbines generate 112,290 kilowatts of power.
Lake Oahe is the 4th-largest man-made reservoir in the United States. Named for a Sioux council lodge, Lake Oahe extends from Pierre, South Dakota to Bismarck, North Dakota. The lake is 231 miles long, has 2250 miles of shoreline, and has a maximum depth of 205 feet. Water released from the two upstream dams is stored at Lake Oahe for the production of hydroelectric power. In addition, the water is managed for flood damage reduction, downstream navigation, fish and wildlife, recreation, irrigation, public water supply, and improved water quality.
The total storage capacity of the reservoir is 23.5 million acre-feet. The lake drains an area of approximately 243,490 square miles. There are 51 recreation areas located around the reservoir. They include highly developed campgrounds and day use areas, moderately developed areas, and primitive areas. |