In addition to any other rights and powers conferred upon any water user district organized under the provisions of this chapter, the district may exercise the power of eminent domain for the purposes and after the manner provided for in chapter 21-35, after declaring by resolution the necessity for and purpose of the taking of property and the extent of the taking. If any such district condemns private property or interests in the private property, the appraisement shall include the amount of damage that will accrue to the owner of the condemned property through severance of the condemned property from other property of the owner, previously operated with the condemned property, as a unit.
SDCL 46A-9-46