The Waccamaw Watershed (HUC 03040206) encompasses approximately 1,477 square miles in southeastern North Carolina and northeastern South Carolina. It includes portions of the Waccamaw and Pee Dee Rivers, as well as several smaller tributaries. The hydrology of the watershed is heavily influenced by precipitation, with average annual rainfall ranging from 48 to 62 inches. The watershed has a humid subtropical climate, with mild winters and hot summers. The area experiences occasional winter snowfall, with an average of 1-2 inches per year. Surface water in the watershed includes several large reservoirs, including Lake Waccamaw and Lake Moultrie. Reservoir constituents include fish, turtles, and other aquatic life. Interesting climatic trends in the area include an increase in average annual temperature and a decrease in annual precipitation over the past several decades.