Hank is a private earth dam located in Dyer, Tennessee, specifically in the city of Holly Leaf. Built in 1968, this structure serves as a vital component in managing the Thompson Branch river or stream. With a hydraulic height of 14.7 feet and a structural height of 15.9 feet, Hank has a NID height of 16 feet and a length of 800 feet. It has a maximum storage capacity of 145 acre-feet, normal storage of 121 acre-feet, and covers a surface area of 20.6 acres with a drainage area of 0.31 square miles.

Despite its low hazard potential, Hank has not been rated for its condition assessment. Its last inspection was conducted in March 2017 with an inspection frequency of every 5 years. The dam's spillway is classified as uncontrolled, with no outlet gates present. While the risk assessment for Hank is moderate (3), there are currently no risk management measures in place. Nevertheless, this dam plays a crucial role in water resource management for the area, highlighting the importance of its maintenance and upkeep for the surrounding community and environment.