S.C. Code Ann. § 5-31-1130

It shall be unlawful for any person to remove, obstruct, deface or injure, within or without the corporate limits of any municipality, any of the fire hydrants, public drinking fountains or valve covers or any pipe, ditch, drain or appurtenances of the waterworks of any municipality or to pollute the water supply of any municipality of this State, controlled by such municipality or by the commissioners of public works of such municipality or other body charged with the duties of commissioners of public works in municipalities which have no such commissioners.