The Rock Island District is a division of the U.S. Army Corps of Engineers, located in the Midwest region of the United States. It primarily manages the navigation, flood risk management, and environmental restoration of the Mississippi River and its tributaries. The district covers parts of Illinois, Iowa, Wisconsin, and Missouri. Established in 1866, the Rock Island District plays a crucial role in maintaining the infrastructure of the region. It oversees several dams and locks, ensuring safe and efficient waterway transportation. The district also engages in various community projects, promoting sustainable development and ecological health in the area.