Acorn is a state-regulated earth dam located in Charlotte, Tennessee, along the TRIBJONES CREEK. Built in 1939, Acorn stands at a structural height of 53 feet and has a hydraulic height of 41.7 feet. With a normal storage capacity of 370 acre-feet, the dam serves the purpose of water resource management in the area, controlling a drainage area of 1.44 square miles.

Despite its satisfactory condition assessment as of January 2020, Acorn poses a high hazard potential, prompting a regular inspection frequency of once a year. The dam's spillway is classified as uncontrolled, and it has no outlet gates or associated locks. While the risk assessment for Acorn is moderate, it is crucial for water resource and climate enthusiasts to stay informed about the dam's condition and any potential risk management measures that may be implemented in the future.

As part of the Tennessee Safe Dams Program, Acorn is under the jurisdiction of the state regulatory agency, ensuring that it meets all necessary permitting, inspection, and enforcement requirements. With a storage capacity of 715 acre-feet and a surface area of 26 acres, Acorn plays a vital role in managing water resources in Dickson County. Climate and water resource enthusiasts can appreciate the historical significance and ongoing maintenance efforts of this essential infrastructure.