To the end that the Authority shall not unduly compete with the existing publicly operated water system of the city of Charleston, operated by the commissioners of public works of the city of Charleston, and furnishing water in the city of Charleston and in a considerable portion of Charleston County and in a small part of Berkeley County, the Authority shall not sell water to be used by persons or private corporations in Charleston County, for either industrial or domestic use, without the consent of the commissioners of public works of the city of Charleston, nor shall it sell water elsewhere than in Berkeley or Charleston Counties, such counties being hereby expressly declared to be the service area of the Authority.
S.C. Code § 49-7-60