Red Rock Dam is a significant structure located on the Des Moines River in Iowa. Completed in 1969, it serves multiple purposes, including flood control, water supply, and recreation. The dam creates the Red Rock Reservoir, which is the largest lake in Iowa, providing opportunities for fishing, boating, and camping. The dam is operated by the U.S. Army Corps of Engineers and plays a crucial role in managing water levels and preventing flooding in surrounding areas. It also supports local wildlife and enhances the natural beauty of the region, making it a popular destination for outdoor enthusiasts.