Thomas Tract Lake Dam, also known as Frank Lake Dam, is a private dam located in Columbia, Georgia. This Earth dam stands at a height of 32 feet and serves primarily for recreational purposes, with a maximum storage capacity of 94 acre-feet. The dam's design includes a buttress core type and an uncontrolled spillway, contributing to its low hazard potential and moderate risk assessment rating.

Despite being a privately-owned structure, Thomas Tract Lake Dam is subject to state inspection, with the last assessment conducted in August 2017. The dam's condition is currently not rated, but its risk management measures are categorized as moderate. With a drainage area not specified, the dam covers a surface area of 6 acres and offers recreational opportunities for visitors in the region.

Located in the Charleston District and situated along an unknown river or stream, Thomas Tract Lake Dam is a noteworthy feature in the Georgia landscape for water resource and climate enthusiasts. Its historical completion date is unspecified, but its presence as a recreational spot in the area underscores the importance of proper maintenance and regulatory oversight to ensure its continued safety and functionality for the community.