Yatesville Lake is located entirely in Lawrence County, Kentucky, on Blaine Creek; a tributary of the Big Sandy River. It was built under the Flood Control Act of 1965. The dam is rockfill, with a central impervious core and founded on rock. The length of the lake and boatable arms is 20.6 miles upstream from the dam and 18.1 miles upstream from where it flows into the Big Sandy River. The maximum depth of the lake is 60 feet with an average mean depth of 17.7 feet. The shoreline measures 93.9 miles at summer pool level. The lake's watershed is 208 miles. Winter Pool Elevation - 624.0 m.s.l. (1,745 acres) Summer Pool Elevation - 630.0 m.s.l. (2,242 acres) Flood Pool Elevation - 645.0 m.s.l. (3,805 acres).