Vacancies on the board of directors by reason of death, disability, failure to hold land in the water user district, or in the election division if election divisions are provided for, or otherwise shall be declared to exist and shall be filled by the board of directors, and the members thus elected to fill vacancies shall serve until members to fill out the remainder of such terms respectively may be elected at the next succeeding district election.
SDCL 46A-9-32