S.C. Code Ann. § 49-17-1430: Federal aid.

In the event that the United States Government makes provision for loans to prosecute drainage and reclamation work or provides for such work to be done under the supervision of its officials the drainage districts created under this chapter may avail themselves of such provisions at any time, turning over to the United States Government for completion any work begun prior to such provision being made. And any such drainage district may levy and collect in the manner herein provided the taxes against the land and pledge and pay to the United States Government the receipts from such levy in liquidation of the loan made as aforesaid by the United States Government. The officials of this State shall solicit the cooperation of the various bureaus of the United States Government in the prosecution of all work undertaken under this chapter.