SDCL § 38-21-53: Entry and inspection by secretary.

To perform any duty pursuant to the provisions of this chapter, the secretary may enter any public or private premises at any reasonable time to inspect any pesticide-related equipment and the premises on which the equipment is kept or stored, to inspect lands actually or reportedly exposed to pesticides, to inspect storage or disposal areas, to investigate complaints of injury to humans or land, to examine any records required to be maintained pursuant to this chapter, or to sample pesticides being applied or to be applied. The secretary may apply to any court of competent jurisdiction for a search warrant authorizing access to any land or premises to which the secretary may be denied access.