Located in Waterloo, Wisconsin, the Ball Park dam serves as a vital recreational resource along the Maunesha River. Constructed in 1850, this gravity dam stands at a height of 11.9 feet and stretches 93 feet in length, providing a storage capacity of 88 acre-feet. With a maximum discharge of 2605 cfs and a spillway width of 104 feet, the dam presents a significant hazard potential, rated as very high.

Managed by the local government, the Ball Park dam is regulated by the Wisconsin Department of Natural Resources (WIDNR), ensuring state permitting, inspection, and enforcement. Despite not being rated for condition assessment, the dam is recognized for its historical significance and its importance in providing recreational opportunities for the community. With a risk assessment indicating very high risk, it is crucial for ongoing risk management measures to be implemented to safeguard both the dam structure and the surrounding area.

Water resource and climate enthusiasts will appreciate the unique features of the Ball Park dam, which not only provides recreational benefits but also plays a critical role in flood control and water management along the Maunesha River. As a significant part of Wisconsin's water infrastructure, the dam's history and engineering characteristics make it a fascinating subject for those interested in the intersection of human development and natural resources. Ongoing monitoring and maintenance efforts will be essential to ensure the long-term sustainability and safety of this important structure.