S.C. Code Ann. § 13-1-630

The director may exercise any of the powers and duties conveyed under Section 13-1-620 in the entire area of a county or portion of a county which borders the Savannah River or is within the Savannah River Basin. SECTION 13-1-640. Issuance of revenue bonds to fund projects. In furtherance of its purposes, the division may issue revenue bonds, the interest on which may or may not be excludable from gross income for federal income tax purposes, for the purpose of raising funds needed from time to time for the financing or refinancing, in whole or in part, the acquisition, construction, equipment, maintenance, and operation of a facility, building structure, or any other matter or thing which the division is authorized to acquire, construct, equip, maintain, or operate. In connection with the issuance of bonds, the division may enter into an agreement with a company to construct, operate, maintain, and improve a project, and the division may enter into a financing agreement with the company prescribing the terms and conditions of the payments to be made by the company to the division, or its assignee, to meet the payments that become due on bonds.