Hardy Lake Dam in Columbia, Georgia is a private dam primarily used for fire protection, stock, and as a small fish pond. This earth dam stands at a height of 22 feet with a hydraulic height of 14 feet and a length of 720 feet, providing a storage capacity of 87 acre-feet. The dam's spillway type is uncontrolled, and it has an uncontrolled outlet gate.

The dam has a low hazard potential and is currently rated as not assessed for condition. The last inspection was conducted in March 1998, and the risk assessment for the dam is considered moderate. Although the dam is not under state jurisdiction, it is important for water resource and climate enthusiasts to monitor its condition and ensure that proper risk management measures are in place to mitigate any potential hazards associated with its operation. Hardy Lake Dam serves as a critical infrastructure for the local area, and its safety and maintenance are essential for water resource management in the region.