S.C. Code § 49-19-510
Within twenty days after any drainage district shall have been organized and incorporated under the provisions of Article 3 of this chapter the clerk of the court in which the petition has been filed shall, upon giving notice by causing publication thereof to be made once a week for two consecutive weeks in some newspaper published in each county in which lands of the district are situate, the last insertion to be not less than ten nor more than fifteen days before the day of such meeting, call a meeting of the owners of the lands situate in the district at a day and hour specified at some public place in the county in which the district was organized for the purpose of electing a board of three supervisors, to be composed of owners of lands in the district, two of whom at least shall be residents of the county or counties in which such district is situate or some adjoining county.
S.C. Code § 49-19-510