Jackson is a privately owned dam located in Williamson, Tennessee, specifically in the city of Franklin. Built in 1937, this earth dam stands at a height of 20 feet with a hydraulic height of 7 feet, spanning a length of 1100 feet. The dam holds a maximum storage capacity of 86 acre-feet, with a normal storage level of 38 acre-feet, covering a surface area of 11.2 acres and draining a 1.64 square mile watershed through the Dry Branch river or stream.

Managed by the Tennessee Safe Dams Program, Jackson is regulated, permitted, inspected, and enforced by state agencies. Despite its high hazard potential, the dam is deemed to be in satisfactory condition as of the last assessment in May 2020. With a moderate risk rating of 3, the dam is equipped with uncontrolled spillways and lacks outlet gates. The dam serves purposes beyond flood control, including recreation, and is crucial for water resource management in the region.

For water resource and climate enthusiasts, Jackson presents an intriguing case study of a historic dam in a rapidly developing area. Its location, design, and regulatory oversight offer insights into the intersection of infrastructure, water management, and environmental stewardship. As climate change impacts intensify, understanding the resilience and vulnerabilities of dams like Jackson becomes increasingly vital for sustainable water resource planning and adaptation strategies.