S.C. Code Ann. § 6-19-10: State authorized to make grants.

The State may make grants in aid in the financing of any public water supply authorities or districts, any sewer authorities or districts, any water and sewer authority, any rural community water or sewer system legally organized in the State, any nonprofit corporation organized pursuant to Chapter 36 of Title 33, any general purpose local government, water or sewer system; or any municipal water or sewer system in any city, town, or village of less than one thousand five hundred population in accordance with the most recent studies conducted by the United States Bureau of the Census.