Van Dalen Dam, located in Chillicothe, Iowa, is a privately owned structure designed by the USDA NRCS and regulated by the Iowa DNR. Completed in 1996, this earth dam stands at a height of 30 feet and serves multiple purposes including fire protection and creating a small fish pond. With a storage capacity of 18 acre-feet, the dam covers a surface area of 1 acre and has a drainage area of 0.1 square miles. Despite being classified as having a low hazard potential, the dam is considered to have a moderate risk level.

The primary source agency for Van Dalen Dam is the state of Iowa, with the Rock Island District overseeing its management. The dam's spillway type is uncontrolled, and it has not been modified since its completion. While the dam's condition is currently not rated, regular inspections are conducted by the state to ensure its safety and integrity. Overall, Van Dalen Dam serves as a crucial water resource for the local community, providing essential fire protection and recreational opportunities while also contributing to the conservation efforts in the area.

Water resource and climate enthusiasts will find Van Dalen Dam to be an intriguing structure that showcases the collaboration between private ownership and government regulation in managing water resources. Its location along the TR- Middle Avery Creek in Monroe County, Iowa, adds to its significance in preserving the local ecosystem. With a focus on sustainability and risk management, the dam serves as a valuable asset in maintaining water quality and supporting the surrounding environment.