S.C. Code § 5-31-460
When any lands are condemned by a municipal corporation for the use of a corporation other than itself, such other corporation shall pay all the costs and expenses incurred in such condemnation, together with all damages which may be assessed in favor of the landowner under such condemnation proceedings, as well as all damages that may be recovered against such municipality in any court of competent jurisdiction by anyone injured or damaged by such condemnation. If in any such case the ingress or egress from the lands of any person be cut off, such corporation shall open, construct and maintain a convenient means of ingress and egress to the lands so cut off. No such condemnation shall be had for the benefit of any corporation unless it is made to appear to the satisfaction of the city or town council that the land sought to be condemned is necessary for the proper use and maintenance of a waterworks or for the proper protection of the health of the citizens of such municipality, the city or town council of such municipality to determine the question as to whether such land is necessary for the proper use and maintenance of such waterworks or for the proper protection of the health of such municipality.
S.C. Code § 5-31-460