S.C. Code Ann. § 49-19-2190

All bonds issued by any board of supervisors under the provisions of this chapter shall be secured by a lien on all lands and other property benefited in the district and the board of supervisors shall see to it that a tax is levied annually and collected under the provisions of this chapter so long as it may be necessary to pay any bond issue or obligation contracted under its authority. The making of such assessment and collection may be enforced by mandamus.