S.D. Codified Laws § 11-6-8
Current with legislation signed by the governor on or before 3/6/2024
All public officials shall, upon request, furnish to the planning commission, within a reasonable time, such available information as it may require for its work. The commission, its members, and employees, in the performance of its functions, may, after thirty days' written notice by certified mail to the landowner, enter upon any land, make examinations and surveys, and place and maintain necessary monuments and marks thereon. In general, the commission has all powers necessary to enable it to fulfill and perform its functions, promote municipal planning, or carry out all the purposes of this chapter.
SDCL 11-6-8