S.D. Codified Laws § 46A-10A-36 (2026)
The board may prescribe, by resolution as provided in § 46A-10A-33, such regulations not contrary to law or § 46A-10A-31, as it deems desirable or necessary to regulate and control, reduce the number or extent of or bring about the gradual elimination of nonconforming drains or drainage schemes.
Source: SL 1985, ch 362 , § 36.