(a) Caregivers must use prudent judgment and ensure children in your care who are younger than 12 years old, children of any age who are not competent swimmers, and children receiving treatment services are protected from unsupervised access to water such as a swimming pool, hot tub, fountain, pond, lake, creek, or other body of water.(b) If children are allowed to swim in a body of water such as a river, creek, pond, or lake, the supervising adult must clearly designate swimming areas.(c) Rules governing the activity and the dangers of the body of water must be explained to participants in a manner that is clearly understood prior to their participation.