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  2. Swimming pool sanitation - Wikipedia

    en.wikipedia.org/wiki/Swimming_pool_sanitation

    It was estimated that a commercial-size swimming pool of 220,000 gallons would contain about 20 gallons of urine, equivalent to about 2 gallons of urine in a typical residential pool. [6] Pathogenic contaminants are of greatest concern in swimming pools as they have been associated with numerous recreational water illnesses (RWIs). [7]

  3. List of unusual units of measurement - Wikipedia

    en.wikipedia.org/wiki/List_of_unusual_units_of...

    An Olympic-size swimming pool holds over 2 acre-feet of water For larger volumes of liquid, one measure commonly used in the media in many countries is the Olympic-size swimming pool. [47] A 50 m × 25 m (164 ft × 82 ft) Olympic swimming pool, built to the FR3 minimum depth of 2 metres (6.6 ft) would hold 2,500 m 3 (660,000 US gal).

  4. Acre-foot - Wikipedia

    en.wikipedia.org/wiki/Acre-foot

    As the name suggests, an acre-foot is defined as the volume of one acre of surface area to a depth of one foot.. Since an acre is defined as a chain by a furlong (i.e. 66 ft × 660 ft or 20.12 m × 201.17 m), an acre-foot is 43,560 cubic feet (1,233.5 m 3).

  5. Unit of volume - Wikipedia

    en.wikipedia.org/wiki/Unit_of_volume

    6 volumetric measures from the mens ponderia in Pompeii, a municipal institution for the control of weights and measures (79 A. D.). A unit of volume is a unit of measurement for measuring volume or capacity, the extent of an object or space in three dimensions.

  6. Olympic-size swimming pool - Wikipedia

    en.wikipedia.org/wiki/Olympic-size_swimming_pool

    If the pool is used for Olympic Games or World Championships, then the minimum depth is increased to 2 metres (6 ft 7 in). [3] Whereas the Water Cube pool used for the 2008 Olympics was 3 metres (9 ft 10 in) deep, the temporary pool used in 2024 was only 2.2 metres (7 ft 3 in), which commentators suggested made for slower race times. [4]

  7. Salt water chlorination - Wikipedia

    en.wikipedia.org/wiki/Salt_water_chlorination

    Salt water chlorination is a process that uses dissolved salt (1000–4000 ppm or 1–4 g/L) for the chlorination of swimming pools and hot tubs.The chlorine generator (also known as salt cell, salt generator, salt chlorinator, or SWG) uses electrolysis in the presence of dissolved salt to produce chlorine gas or its dissolved forms, hypochlorous acid and sodium hypochlorite, which are already ...

  8. Swimming pool - Wikipedia

    en.wikipedia.org/wiki/Swimming_pool

    This is an accepted version of this page This is the latest accepted revision, reviewed on 14 January 2025. Artificial water basin for swimming For other uses, see Swimming pool (disambiguation). Backyard swimming pool Olympic-size swimming pool and starting blocks at Melbourne Sports and Aquatic Centre used for the 2006 Commonwealth Games in Melbourne, Australia A swimming pool, swimming bath ...

  9. Bather load - Wikipedia

    en.wikipedia.org/wiki/Bather_load

    Bather load can be defined as the number of bathers using the pool in a 24-hour period. [1] A certain per-capita capacity for bather load is often considered. For example, on a hot summer day, it is desired that there be reasonable capacity in waterplay areas, bathing fountains, and municipal swimming baths, to accommodate the population of ...