Thicketty Creek Watershed Conservation District 18, also known as Copeland, is a local government-owned earth dam in Cherokee, South Carolina. Completed in 1967 by the USDA NRCS, this dam stands at a height of 45 feet and has a storage capacity of 415 acre-feet. It primarily serves to reduce flood risks in the area, with a fair condition assessment as of October 2020.

Located on Clary Creek, this dam is regulated by the South Carolina Department of Health and Environmental Control (SC DHEC) and is inspected biennially. With a high hazard potential and a moderate risk rating, Thicketty Creek WCD 18 presents a vital piece of infrastructure for flood risk management in the region. Despite its age, the dam continues to provide essential protection to the surrounding area, showcasing the importance of sustainable water resource management and climate resilience efforts.