S.D. Codified Laws § 34A-2-20 : — ENVIRONMENTAL PROTECTIONWATER POLLUTION CONTROL —2-20 - Establishment of waste treatment requirements TEXT PDF The board shall establish minimum requirements for the treatment of wastes. SDCL 34A-2-20 SL 1973, ch 280, § 4 (11); SDCL Supp, § 46-25-38.