S.C. Code Ann. § 50-13-510
Persons owning private ponds in this State may catch fish therein with traps or nets for propagation purposes only after the issuance of a permit from the department. The department may issue such rules and regulations it considers necessary in connection with the issuance of such permit, the length of time that each permit will be of force, and the conditions on which each will be issued. The department shall have full power and authority to revoke such permits in its discretion. No permit shall be issued unless it be endorsed in writing by an enforcement officer in the county in which it is to be used.