S.D. Codified Laws § 46A-5-6
The board of directors, its agents, and employees may enter upon any land within the district to make surveys and may locate the line of any canal and the necessary branches for the location. The board of directors may acquire, either by purchase or condemnation, all lands and waters and other property necessary for the construction, use, maintenance, repair, and improvement of any canal, canals, power plants, pumping stations, and lands for reservoirs for storage of water and all necessary appurtenances. The board of directors may acquire by purchase or condemnation, for the use of the district, any irrigation works, power plant, pumping station, ditches, canals, or reservoirs already constructed. In case of purchase, the bonds of the district may be used at their par value in payment, as provided in this title.
SDCL 46A-5-6