SDCL § 42-8-51: Operation to cause collision by skier or surfboarder prohibited--Violation as misdemeanor.

No person may operate or manipulate any boat, tow rope, or other device by which the direction or location of water skis, a surfboard, or similar device may be affected or controlled in such a way as to cause the water skis, surfboard, or similar device, or any person thereon to collide with or strike against any object or person. A violation of this section is a Class 2 misdemeanor.