Fort Randall Dam is a 2.03-mile-long earthen dam which spans the Missouri River and impounds Lake Francis Case, the 11th-largest reservoir in the U.S. The dam joins Gregory and Charles Mix counties, South Dakota, a distance of 880 river miles upstream of St. Louis, Missouri, where the river joins the Mississippi River. The dam and hy…
Fort Randall Dam is a 2.03-mile-long earthen dam which spans the Missouri River and impounds Lake Francis Case, the 11th-largest reservoir in the U.S. The dam joins Gregory and Charles Mix counties, South Dakota, a distance of 880 river miles upstream of St. Louis, Missouri, where the river joins the Mississippi River. The dam and hydroelectric power plant were constructed by and are currently operated by the U.S. Army Corps of Engineers.
Location: Gregory County and Charles Mix County, South Dakota
Country: United States
Purpose: Flood control, hydroelectric power, irrigation, water supply, river navigation, and recreation
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