The board of directors may enter into any obligation or contract with the United States for the construction, operation, and maintenance of the necessary works for the delivery and distribution of water under the provisions of the federal reclamation acts and all acts amendatory thereof, or supplementary thereto, and the rules and regulations established under such acts, as amended to January 1, 2011. The board may contract with the United States for a water supply under any act of Congress providing for or permitting such contract.
SDCL 46A-5-18