Under immediate supervision, a Pool Guard I serves as a swimming pool lifeguard, ensuring patron safety, enforcing pool regulations, performing rescues and first aid, assisting in aquatic activities, and maintaining the pool area. Minimum qualifications include being at least 16 years old and possessing valid American Red Cross Lifeguard/First Aid, CPR/AED for Lifeguard, and First Aid for Public Safety Personnel (Title 22) certificates.