S.D. Codified Laws § 36-26-6
Current with legislation signed by the governor on or before 3/6/2024
The Governor may remove a member of the board for cause. In the event of a vacancy on the board caused by death of a member, resignation, removal from the state, or for any other reason, the Governor shall appoint a new member to serve out the unexpired term.
SDCL 36-26-6