S.C. Code Ann. § 51-15-510: Acquisition of property for parks, playgrounds, and athletic facilities.

All cities of more than fifty thousand inhabitants, as determined by the most recent United States census, may own, buy or receive donations of lands and properties within the city limits, or within twenty miles of the corporate limits of any such city, to be used by the city for the purpose of creating and maintaining parks, playgrounds, athletic grounds or stadiums.