Troy Mills Dam, located in Linn County, Iowa, is a privately owned structure on the Wapsipinicon River with a primary purpose of recreation. Completed in 1989, this gravity-type dam stands at a height of 7 feet and has a length of 300 feet, providing a storage capacity of 640 acre-feet. Despite its relatively low hazard potential and moderate risk assessment, the dam is not currently rated for its condition.

Managed by the Iowa Department of Natural Resources, Troy Mills Dam is subject to state regulations, permitting, inspection, and enforcement. The dam features an uncontrolled spillway and is situated in a scenic area with a surface area of 182 acres and a drainage area of 1210 acres. The dam's risk management measures and emergency action plan status are currently not specified in the available data.

For water resource and climate enthusiasts, Troy Mills Dam presents an intriguing case study of a smaller-scale dam providing recreational benefits while also being subject to state oversight and regulation. With its location in a picturesque setting along the Wapsipinicon River and its relatively low hazard potential, the dam serves as an example of the importance of maintaining and monitoring infrastructure for both human enjoyment and environmental protection in the face of changing climate conditions.