S.D. Codified Laws § 43-17-12

Current with legislation signed by the governor on or before 3/6/2024
Section 43-17-12 - New arm of stream-Island formed by division belongs to owner of shore

If a stream, navigable or not navigable, in forming itself a new arm, divides itself and surrounds land belonging to the owner of the shore and thereby forms an island, the island belongs to such owner.

SDCL 43-17-12

CivC 1877, § 588; CL 1887, § 3211; RCivC 1903, § 904; RC 1919, § 502; SDC 1939, § 51.1109.