Swimming pool

A constructed basin filled with water for swimming, bathing, exercise, or aquatic sports. Pools vary in design, water treatment, and intended use.

Pool circulation system: The pumps and pipes that move water through a pool and its treatment equipment. Circulation carries pool water through filters and chemical treatment.
Pool pump: A motor-driven device that moves water through a pool’s circulation system. The pump drives water through filters and treatment equipment.
Olympic-size swimming pool: A competition pool measuring 50 meters long and 25 meters wide under Olympic swimming specifications. Its standardized dimensions support elite long-course racing.
Drowning: Respiratory impairment caused by submersion or immersion in liquid. Pools create a submersion hazard that can become fatal within minutes.
Swimming pool filter: A device that removes suspended particles from swimming pool water. Filtration keeps circulating water clear by capturing debris.
Sand filter: A filter that removes particles as water passes through a bed of granular media. Sand filters are a common way to clarify recirculated pool water.
Wave pool: A pool equipped to generate waves for recreation or surfing. Mechanical waves turn a pool into a simulated surf environment.
Pool fencing: A barrier around a swimming pool intended to restrict unsupervised access. Fencing helps prevent young children from reaching pool water alone.
Pool sanitation: Methods for controlling disease-causing organisms and contaminants in pool water. Sanitation makes shared pool water safer for swimmers.
Chlorination: The addition of chlorine to water to disinfect it and control microorganisms. Chlorine is widely used to limit microbial growth in pools.

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