S.C. Code Ann. § 5-37-70

The governing body may provide by the resolution for the payment of the cost of the improvements and facilities to be constructed within the improvement district by assessments on the property therein as defined in Section 5-37-20, or by the issuance of special district bonds, or by general obligation bonds of the municipality, or from general municipal revenues from any source not restricted from such use by law, or from any combination of such financing sources as may be provided in the improvement plan.