Louise Ervin Dam, located in Williamsburg, South Carolina, is a private earth dam completed in 1959 with a primary purpose of recreation. This dam, standing at a height of 9 feet and stretching 330 feet in length, holds a storage capacity of 145 acre-feet and covers a surface area of 30 acres. The dam is situated on TR-BLACK MINGO CREEK and is regulated by the South Carolina Department of Health and Environmental Control (DHEC).

Despite its low hazard potential, the dam's risk assessment is moderate, indicating a level 3 risk. The condition of the dam is currently not rated, with the last inspection conducted in November 2017. While the dam has not undergone any modifications in recent years, it is subject to regular inspections, enforcement, and permitting by the state regulatory agency. With its scenic location and recreational opportunities, Louise Ervin Dam serves as a valuable asset for water resource and climate enthusiasts in the region.