S.C. Code Ann. § 58-7-30: Water companies may condemn land for waterworks.

(A) Any corporation engaged in the business of supplying water or sewerage services in this State or which may intend to engage in the business of supplying water or sewerage services has the same rights and powers of condemnation as are conferred upon municipal corporations pursuant to the provisions of Sections 5-31-420, 5-31-430, and 5-31-440.

(B) Before a corporation engaged in supplying sewer services as authorized under the provisions of this section exercises the right of condemnation, the governing body of the county in which the condemnation will occur must adopt an ordinance granting the corporation the authority to condemn property necessary to provide sewer services.