Thomas Harper Dam, located in Hampton, South Carolina, was completed in 1930 and stands at a height of 14 feet with a length of 600 feet. This earth dam, primarily used for recreation, spans the Calico Branch and provides a storage capacity of 236 acre-feet. Despite its low hazard potential and fair condition assessment, the dam is regulated by the South Carolina Department of Health and Environmental Control (DHEC) and undergoes regular inspections, with the last assessment conducted in November 2017.

Owned privately, Thomas Harper Dam serves as a popular recreational spot with a surface area of 40 acres, offering opportunities for fishing, boating, and other water activities. The dam's stone core and soil foundation contribute to its structural integrity, while its location within the Charleston District further enhances its appeal to water resource and climate enthusiasts. With a history dating back over 90 years, this dam continues to be a significant landmark in the region, attracting visitors and locals alike to its picturesque surroundings and serene waters.

While lacking features such as spillways and locks, Thomas Harper Dam remains a reliable and vital structure for water management in the area. Its modest storage capacity and efficient design reflect a balance between functionality and recreational use, showcasing the importance of sustainable water resource management in preserving natural ecosystems and supporting community well-being. As efforts to maintain and improve dam infrastructure continue, Thomas Harper Dam stands as a testament to the resilience and importance of water resources in shaping local landscapes and lifestyles.