S.D. Codified Laws § 46A-10A-102
Before any election is held, the election board shall procure from the county auditor, auditors, or appropriate county official a certified copy of the record of the establishment of the district showing the lands of the district, the assessment and classification of each tract, and the name of the person or persons against whom the tract was assessed for benefits, and the present record owner or owners. The certified record shall be kept by the trustees after they are elected for use in subsequent elections. The trustees shall, preceding each subsequent election, procure from the county auditor, auditors, or appropriate county official additional certificates showing changes of title of land assessed for benefits and the names of the new owners.
SDCL 46A-10A-102