Mohawk Dam serves as the Project Office for the projects located within the Walhonding section of the Muskingum Area. 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 821 square miles.