S.D. Codified Laws § 39-1-1
The Department of Agriculture and Natural Resources through its secretary, and such other agents and employees as it may assign thereto shall be in general charge of the administration and enforcement of chapters 39-1, 39-6 to 39-8, inclusive, 39-11, 39-14, 39-15 and 39-18, except in cases where a different intention plainly appears. It shall have and may exercise all of its general powers and duties of visitation, inspection, examination, access to property and places therefor, prosecution, rule and regulation making, requiring cooperation and aid of other agencies of government, for the purpose of administering and enforcing the provisions of this title, as the same are prescribed in Title 38 or as specifically prescribed in this title and as otherwise prescribed by law.
SDCL 39-1-1