South Dakota Laws > Title 36 > Chapter 25 > § 36-25-24.1 South Dakota Codified Laws 36-25-24.1. Underground irrigation defined Current as of: 2023 | Check for updates | Other versions As used in §§ 36-25-14, 36-25-19, and 36-25-24, the term, underground irrigation, means any nonagricultural, landscape irrigation system. Source: SL 1993, ch 294, § 6; SL 1996, ch 238; SL 2019, ch 169, § 5. Previous sectionNext section Chapter 25 Contents