S.C. Code Ann. § 48-3-160

Nothing contained in this chapter shall be construed to restrict or limit the power of incorporated municipalities to construct and finance water pollution control facilities pursuant to the authorizations contained in the Revenue Bond Act for Utilities, Chapter 21, Title 6, as amended, and the Revenue Bond Refinancing Act, Chapter 17, Title 6, and the General Assembly hereby confirms that the public works and enterprises authorized by the Revenue Bond Act for Utilities and the Revenue Bond Refinancing Act include facilities designed for the elimination, mitigation or prevention of water pollution, including things which are required to collect, treat and thereafter dispose of all waste of any sort originating in or about any industrial enterprise.