Briggs Woods Lake Dam, located in Hamilton County, Iowa, is a vital structure managed by the local government for recreational and water supply purposes. Completed in 1968, this earth dam stands at a height of 44 feet and spans a length of 3100 feet, with a storage capacity of 2100 acre-feet. The dam is situated on the TR-Boone River, a tributary of the Des Moines River, and serves as a popular spot for outdoor activities such as boating, fishing, and picnicking.

With a significant hazard potential and a satisfactory condition assessment, Briggs Woods Lake Dam is regularly inspected by the Iowa Department of Natural Resources to ensure its safety and functionality. The dam features an uncontrolled spillway with a width of 40 feet, designed to manage excess water flow during heavy rainfall and prevent flooding downstream. While the risk assessment categorizes the dam's risk as moderate, appropriate risk management measures are in place to mitigate potential hazards and ensure public safety. As a key component of the local water infrastructure, Briggs Woods Lake Dam plays a crucial role in providing recreational opportunities and maintaining water supply in the region.