WEBAug 28, 2009 · The fourteen river basins of Georgia are the Altamaha, Chattahoochee, Coosa, Flint, Ochlockonee, Ocmulgee, Oconee, Ogeechee, Satilla, Savannah, Suwanee, St. Marys, Tallapoosa, and Tennessee. The Savannah River, which begins at the confluence of the Seneca and Tugaloo rivers in the northeast part of the state, forms the border between Georgia ...