Salamonie Dam is a dam in Wabash County, Indiana. The earthen and rockfill dam was constructed in 1966 by the United States Army Corps of Engineers, with a height of 133 feet and 6,100 feet long at its crest. It impounds the Salamonie River for flood control and storm water management, is owned by the Corps of Engineers, and is operated b…Salamonie Dam is a dam in Wabash County, Indiana. The earthen and rockfill dam was constructed in 1966 by the United States Army Corps of Engineers, with a height of 133 feet and 6,100 feet long at its crest. It impounds the Salamonie River for flood control and storm water management, is owned by the Corps of Engineers, and is operated by the Corps and the Indiana Department of Natural Resources.