S.D. Codified Laws § 42-8-46 (2026)
No person may operate any boat in a reckless or negligent manner so as to endanger the life, limb, or property of any person. A violation of this section is a Class 1 misdemeanor.
Source: SL 1959, ch 125 , § 9; SDC Supp 1960, § 25.1409 (1); SL 1977, ch 190 , § 629; SL 1983, ch 303 , § 2; SL 1994, ch 335 , § 19.