The Taum Sauk pumped storage plant is in the St. Francois mountain region of the Missouri Ozarks about 90 miles (140 km) south of St. Louis near Lesterville, Missouri, in Reynolds County. It is operated by Ameren Missouri (previously AmerenUE, formerly Union Electric).<br /><br /><br />https://largest-dams-2.blogspot.com/p/3.html
