Located in Fairfield, South Carolina, the Charles Jeffcoat Dam, also known as the Roundy/Thames Dam, was completed in 1989 for the primary purpose of recreation. This private earth dam stands at a height of 23 feet and spans 600 feet in length, creating a storage capacity of 198 acre-feet with a normal storage level of 108 acre-feet. Situated on the TR-Morris Creek, the dam is under state regulation by the South Carolina Department of Health and Environmental Control (DHEC).

With a low hazard potential and fair condition assessment as of the last inspection in April 2017, the Charles Jeffcoat Dam provides a safe and enjoyable recreational experience for visitors. The controlled spillway design ensures proper water management, while the surrounding area offers 18 acres of surface area for outdoor activities. Despite being privately owned, the dam is subject to state permitting, inspection, and enforcement, ensuring compliance with regulatory standards to maintain its operational integrity.

For water resource and climate enthusiasts, the Charles Jeffcoat Dam serves as a noteworthy structure within the Savannah District of the US Army Corps of Engineers. Its very high risk assessment rating reflects the critical importance of proper risk management measures to mitigate potential hazards and safeguard the surrounding community. As a key component of the local water infrastructure, the dam plays a vital role in providing recreational opportunities while adhering to state regulations and safety guidelines.