S.C. Code Ann. § 58-31-170: Designation of Lake Moultrie and Lake Marion.

One of the lakes belonging to the State, constructed by the South Carolina Public Service Authority on the Cooper River near Pinopolis, in Berkeley County, shall hereafter be known as Lake Moultrie, and the other lake belonging to the State, constructed by the Authority on the Cooper River in the same area, shall be known as Lake Marion.