Gentry, also known as Gentry Dam, is a private structure located in Williamson, Tennessee along the TRIBWEST HARPETH RIVER. Built in 1965 by the USDA NRCS, this Earth-type dam serves primarily for Fish and Wildlife Pond purposes, while also providing benefits for Fire Protection, Stock, Small Fish Pond, and Recreation. With a hydraulic height of 10.5 feet and a structural height of 17.5 feet, Gentry has a storage capacity of 95 acre-feet and covers a surface area of 7 acres within a drainage area of 0.71 square miles.

Despite being categorized as having a Low hazard potential, Gentry has not been rated for its condition assessment. The last inspection conducted was in April 2018, with a scheduled inspection frequency of 5 years. The risk assessment for Gentry is considered to be Moderate (3), indicating a moderate level of potential risk associated with the dam. While no Emergency Action Plan (EAP) has been prepared, the dam has not been deemed to meet guidelines for EAP readiness, and there are no inundation maps currently in place. Overall, Gentry represents an important structure within the water resource management landscape of Tennessee, serving multiple purposes while warranting ongoing monitoring and risk management measures.