S.D. Codified Laws § 46A-3B-11
At the first meeting in January of each year, designated as the annual meeting of the water development district, the directors shall elect a chair, a vice chair, and a secretary from among their membership. The officers shall hold office until the next annual meeting of the water development district or until their successors have been elected. In addition, the directors shall appoint a treasurer who may or may not be a director and who shall serve at the pleasure of the board of directors or until a successor is appointed. The treasurer shall be bonded in such amounts and with such sureties as the directors may specify, conditioned on faithful performance of the treasurer's duties. The chair, vice chair, secretary, and treasurer constitute the officers of the board of directors. The treasurer, if not a director, has no voting privileges.
SDCL 46A-3B-11