S.C. Code Ann. § 6-13-690

The municipalities of Fairfield and Chester Counties and all public bodies and public agencies now or hereafter operating water distribution systems in Fairfield and Chester Counties shall be fully empowered to enter into contracts to buy water from the district. These contracts shall extend over such period of time and shall contain such terms and conditions as shall be mutually agreeable to the district and to the contracting municipality, public body or public agency.