S.D. Codified Laws § 46-1-8 (2026)
Beneficial use is the basis, the measure and the limit of the right to the use of waters described in this title.
Source: SL 1955, ch 430 , § 1; SL 1955, ch 431 , § 1; SDC Supp 1960, §§ 61.0102 (6), 61.0401 (10).