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Drinking water or potable water is water that is safe for ingestion, either when drunk directly in liquid form or consumed indirectly through food preparation. It is often (but not always) supplied through taps, in which case it is also called tap water .
The US Safe Drinking Water Act and derivative legislation define a "public water system" as an entity that provides "water for human consumption through pipes or other constructed conveyances to at least 15 service connections or serves an average of at least 25 people for at least 60 days a year."
An example of a water distribution system: a pumping station, a water tower, water mains, fire hydrants, and service lines [1] [2]. A water distribution system is a part of water supply network with components that carry potable water from a centralized treatment plant or wells to consumers to satisfy residential, commercial, industrial and fire fighting requirements.
Public water supply systems are crucial to properly functioning societies. These systems are what supply drinking water to populations around the globe. [1] Aspects of service quality include continuity of supply, water quality and water pressure. The institutional responsibility for water supply is arranged differently in different countries ...
Modern plumbing delivers clean, safe, and potable water to each service point in water distribution system, including taps. [5] It is important that the clean water not be contaminated by the wastewater (disposal) side of the process system. Historically, this contamination of drinking water has been one of the largest killers of humans. [6]
Integrated water system (water supply, sewerage (sanitation) system, and wastewater treatment) Separation by function (e.g. Dutch system where sewerage run by city, water supply by municipal or provincial companies, and water treatment by water boards), though some Water Supply Companies have merged beyond municipal or provincial borders.
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Potable water is not well distributed in the world. 1.8 million deaths are attributed to unsafe water supplies every year, according to the WHO. [6] Many people do not have any access, or do not have access to quality and quantity of potable water, though water itself is abundant.