Construction on the Clearwater Lake dam began in 1940, but thanks to World War II the reservoir didn’t see completion until 1948. The result is a 2,200 acre lake with a large, 578,000 acre watershed comprised mainly of forest cover (87%) and grassland (10%). While the dam is located in Wayne County, most of the lake is in Reynolds County. This flood control reservoir can swell to over 10,000 acres at full pool (see picture at bottom of page).