S.D. Codified Laws § 34A-11-22
Any records, reports, or information obtained from any person under this chapter shall be available to the public. If the secretary of agriculture and natural resources determines that a record, report, or information reveals methods or processes entitled to protection as trade secrets, the secretary may consider such record, report, or information confidential. However, the record, report, or information may be disclosed to other officers, employees, or authorized representatives of the state or federal government concerned with executing the provisions of this chapter, or if relevant, in any proceeding under this chapter. Any person who knowingly and willfully divulges or discloses any information entitled to protection under this section is guilty of a Class 1 misdemeanor.
SDCL 34A-11-22