S.D. Codified Laws § 46A-10A-9.5 (2026)
Any action or official control required by the Water Management Board pursuant to § 46A-10A-9.3 shall be consistent with the principles outlined in § 46A-10A-20 and shall be included in the applicable county drainage plan, if a plan has been established. Such actions or official controls are not subject to any referendum procedure set forth in this chapter.
Source: SL 1987, ch 336 , § 6.