Thelma Hill Pond Dam, located in Calhoun, South Carolina, is a privately owned structure primarily used for recreation. Standing at a height of 24 feet and stretching 430 feet in length, this earth dam with a buttress core type offers a storage capacity of 85 acre-feet, with a normal storage level of 62 acre-feet. The dam, situated on the TR-SANDY RUN river, has a low hazard potential and has been assessed to be in fair condition as of March 2017.

Managed by the South Carolina Department of Health and Environmental Control (SC DHEC), Thelma Hill Pond Dam is regulated by the state, with permitting, inspection, and enforcement functions in place. The dam features an uncontrolled spillway type and is subject to a moderate risk assessment rating. Despite its risk level, the dam has not undergone any significant modifications in recent years and has a scheduled inspection frequency of 5 years to ensure its continued safety and functionality.

For water resource and climate enthusiasts, Thelma Hill Pond Dam presents an intriguing case study in dam management and safety. With its unique design features and recreational purpose, this structure serves as an important asset in the local area while also highlighting the importance of regulatory oversight and risk management in maintaining the integrity of water infrastructure. As interest grows in sustainable water resource management practices, Thelma Hill Pond Dam stands as a testament to the balance between human enjoyment of natural resources and the need for responsible stewardship of water systems in the face of changing environmental conditions.