Rustic Acres Lake Dam, located in Henry, Illinois, was completed in 1973 and serves as a recreational water resource for the community. The dam stands at a height of 40 feet and has a length of 265 feet, with a storage capacity of 179 acre-feet. The dam is primarily used for recreation purposes and is classified as an Earth dam with a Buttress core type.

Managed by a private owner, the Rustic Acres Lake Dam is subject to state regulation by the Illinois Department of Natural Resources. The dam is inspected every three years for safety and maintenance purposes, with a significant hazard potential noted. The spillway type is listed as uncontrolled, with a width of 139 feet, and the outlet gates are also uncontrolled.

Overall, Rustic Acres Lake Dam presents a moderate risk level and is considered an essential water resource for the surrounding area. Despite its age, the dam continues to provide recreational opportunities and water storage capabilities for the community, showcasing the importance of proper maintenance and regulatory oversight for sustainable water resource management in the region.