Minn. R. 4717.0950
LIFEGUARD REQUIREMENT
An individual currently certified in first aid and adult, child, and infant cardiopulmonary resuscitation must be on duty at all times the pool is open to use, unless a sign warning that a lifeguard is not present is posted as specified in part 4717.1050 . The individual must have a Red Cross lifeguard certification or equivalent and be responsible for user supervision, safety, and sanitation at all times the pool is in use.