Huntington District, West Virginia -- Senecaville Lake is within the Lower Tuscarawas section of the Muskingum Area and is one of a system of projects designed to provide flood control and water conservation in the Muskingum Watershed in southeastern Ohio. It was authorized by Section 4 of the Flood Control Act (FCA) of 1938, as amended by Section 4 of the FCA of 1939. Primary project purposes are flood damage reduction, recreation, and fish and wildlife. The dam was completed in September 1936 and serves a drainage area of 118 square miles. Land includes 138 fee acres and 11,554 easement acres. There Corps has two outgranted day-use recreation areas. Senecaville Lake forms a conservation pool for flood control, recreation, fish and wildlife, and for the maintenance of normal downstream flows during dry periods. The Dam is separated into two embankment sections, North and South, by a rock knoll, through which the outlet works is located and across a low dike constructed section. Both embankments are rolled impervious fill with a downstream rock shell. Maximum height of the embankment is 49 feet. The total crest length is 2,350 feet.