S.C. Code § 3-5-60
If the United States Government shall so determine, it may condemn and use all lands, including submerged lands, property and property rights which may be needed for the purposes set forth in Section 3-5-40 under the authority of the United States Government and according to the provisions existing in the Federal statutes for condemning lands and property for the use of the United States Government. In case the United States Government shall so condemn such lands, including submerged lands, property and property rights, the South Carolina Department of Health and Environmental Control may pay all expenses of such condemnation proceedings and any award that may be made thereunder out of any monies appropriated for such purposes.
S.C. Code § 3-5-60