S.D. Codified Laws § 34A-5-29.1
If the board of trustees of a sanitary district has entered into any contract with any municipality for the purpose of using its facilities for the treatment and disposal of sewage, the sanitary district may, by ordinance, adopt by reference, in whole or in part, the ordinances of the contracting municipality which pertain to the use and regulation of the collection, treatment, and disposal of sewage. Any subsequent changes or additions to such ordinances may thereafter, by ordinance, be adopted by reference, either in whole or in part. Upon the adoption by reference of such ordinances, the clerk of the district shall publish a notice of the fact of adoption once each week for two successive weeks in the official newspaper, setting forth therein the ordinance numbers as designated in the ordinance book of the contracting municipality.
SDCL 34A-5-29.1