S.D. Codified Laws § 46A-2-14
The Board of Water and Natural Resources may acquire, under the provisions of this chapter and chapters 46A-3A to 46A-3E, inclusive, by purchase or lease, all real and other property as may be necessary for the construction, maintenance, and operation of any water resources project; hold and use the property, lease, or otherwise dispose of any part of the property; or sell the property if not required for water resources project use, and no longer necessary to its use. The board may enter into rental or other agreements with local project sponsors to allow local project sponsors to use property controlled by the board or Department of Agriculture and Natural Resources according to terms and conditions specified by the board. In carrying out this section the board shall follow the procedures required in the case of counties under the laws of South Dakota.
SDCL 46A-2-14