S.D. Codified Laws § 46A-10A-91 (2026)
Any ditch, drain, or watercourse constructed to prevent surface and overflow water from adjacent land from entering it is hereby declared a nuisance and may be abated as such unless such action was taken in accordance with the provisions of this chapter and chapter 46A-11 and the principles outlined in § 46A-10A-20.
Source: SL 1985, ch 362 , § 92.