The Waccamaw River Basin is a significant watershed located in the southeastern United States, primarily in North Carolina and South Carolina. It encompasses the Waccamaw River, which flows approximately 140 miles from its source near Lake Waccamaw to its confluence with the Atlantic Ocean. The basin is characterized by diverse ecosystems, including wetlands, forests, and floodplains. This region is vital for local wildlife and supports various recreational activities such as fishing, kayaking, and birdwatching. The Waccamaw National Wildlife Refuge is part of the basin, providing habitat for numerous species and promoting conservation efforts in the area.