S.C. Code Ann. § 44-96-330
(A) In addition to the requirements imposed by this article, the regulations promulgated by the department shall, at a minimum, require the following for new and existing municipal solid waste landfills:
(6) landfill closure requirements that:
(B) The regulations promulgated pursuant to this article shall require, at a minimum, for each new municipal solid waste landfill and lateral expansion to existing municipal solid waste landfills the following:
(4) landfills, at a minimum, shall not be located in the following locations: