S.D. Codified Laws § 46A-3A-12
An election to form a water development district shall be conducted, canvassed, recounted, and contested as elections under the general laws of this state, except as otherwise herein provided, and except where the general laws are inapplicable. If the details concerning the conduct, canvassing, recounting, or contest of the election are not set forth within chapters 46A-3A to 46A-3E, inclusive, and the general election laws are not applicable, then the Board of Water and Natural Resources shall promulgate rules pursuant to chapter 1-26 reasonably necessary to carry out the intentions of chapters 46A-3A to 46A-3E, inclusive, with respect to elections and make possible the submission to an election of any matter which by the terms of chapters 46A-3A to 46A-3E, inclusive, may be submitted to a vote of the voters of any water development district or proposed water development district.
SDCL 46A-3A-12