SDCL § 9-39-10: Terms of office of three-member utility board.

In the case of a three-member municipal utility board, one member shall be appointed to hold office until the first regular meeting of the governing body in the second month of May after his appointment and until his successor is appointed and qualified, one to hold office until the first regular meeting of the governing body in the fourth month of May after his appointment and until his successor is appointed and qualified, and one to hold office until the first regular meeting of the governing body in the sixth month of May after his appointment and until his successor is appointed and qualified. At the first regular meeting of the governing body in May of the year in which a member's term expires, of a three-member board, a member shall be appointed and confirmed for a term of six years.