Georgia is a state with a humid subtropical climate, and receives ample rainfall throughout the year. Major surface flows include the Chattahoochee, Flint, and Ocmulgee Rivers, which are fed by numerous tributaries. Major reservoirs and dams, including Lake Lanier and Hartwell Lake, provide hydroelectric power and recreation opportunities. The state's hydrology is impacted by various factors, including precipitation, evapotranspiration, and land use changes. Watershed data shows that the Chattahoochee River basin is the largest in the state, covering over 8,700 square miles. Snowpack is not a significant contributor to the state's hydrology, but occasional winter storms can impact water availability. Overall, Georgia's hydrology is shaped by its climate, topography, and water management practices.