S.C. Code Ann. § 49-19-210

The State Department of Administration or a majority, either in numbers or in acreage, of the holders of any contiguous body of swamp, wet or overflowed lands or lands subject to overflow, situate in one or more counties in this State, may form a drainage district for the purpose of having such lands reclaimed and protected from the effects of water, for sanitary or agricultural purposes or when the same may be conducive to the public health, convenience or welfare or of public utility or benefit, by drainage or otherwise.