Maintaining an upright position by sculling with the hands and kicking with the legs to stay afloat in one spot.

Multisport events combining swimming, cycling, and running over varied distances.

Volunteer unit supporting maritime safety, including boating education and water rescue assistance.

Commercial recreational facilities featuring water slides, wave pools, and play structures with specialized safety controls.

Water Polo: Team sport played in a pool where players pass and shoot a ball to score goals against opponents.

Range of approaches (reaching assists, throwing assists, wading rescues) to safely help distressed swimmers.

Certification allowing one to teach swim lessons, covering stroke development and student progression.

Water Supervision: Continuous, attentive oversight of swimmers by qualified personnel or an assigned adult to prevent accidents.

A designated, undistracted adult who actively monitors swimmers for signs of distress.

Diseases caused by pathogens in contaminated water, such as giardiasis and cryptosporidiosis.

Specialized certification for supervising open-water sites such as beaches, lakes, and ponds.

Classifications of surface water waves (wind-driven, swell, tsunami) with distinct origins and behaviors.

Community-based swim lessons and aquatic safety education offered by local YMCA branches.