S.D. Codified Laws § 42-8-48 (2026)
No person may operate a boat on any waters of this state towing any person on water skis, a surfboard, or other devices, nor may any person engage in waterskiing, surfboarding, or similar activity at any time between the hours from one-half hour after sunset to one-half hour before sunrise. A violation of this section is a Class 2 misdemeanor.
Source: SL 1959, ch 125 , § 12; SDC Supp 1960, § 25.1412 (2); SL 1983, ch 303 , § 4; SL 1991, ch 186 , § 47; SL 1991, ch 360 ; SL 1994, ch 335 , § 20.