Of the 17 basins, 11 originate within the state of North Carolina, but only four are contained entirely within the state's border – the Cape Fear, the Neuse, the White Oak, and the Tar–Pamlico basin.
Das 17 concas, 11 orixínanse no estado de Carolina do Norte, pero só catro atópanse totalmente dentro das fronteiras do estado —Cabo Fear, Neuse, White Oak e Tar-Pamlico.