S.D. Codified Laws § 38-8-7
To assist the State Conservation Commission in the determination of the administrative practicability and feasibility of a conservation district, the commission shall hold a referendum within the proposed district upon the proposition of the creation of the district, and shall cause due notice of the referendum to be given. The question shall be submitted by ballot upon which the words "For creation of a conservation district of the lands below described and lying in the counties of __________ and __________" and "Against creation of a conservation district of the lands below described and lying in the counties of __________ and __________" shall be inserted, with a square before each proposition and a direction to insert a cross or check mark in the square before one or the other of said propositions as the voter may favor or oppose creation of the district. The ballot shall set forth the boundaries of the proposed district as determined by the commission. Any voter registered for the most recent general election within the boundaries of the territory, as determined by the commission, may vote in the referendum. The Division of Resource Conservation and Forestry shall certify the need for a referendum to the county auditors of the counties comprising the territory of the proposed district. The certification shall be provided before June first of the year in which the general election is to be held, to facilitate the election required by § 38-8-15, and pursuant to the requirements of § 38-8-39.
SDCL 38-8-7