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The history of water supply and sanitation is one of a logistical challenge to provide clean water and sanitation systems since the dawn of civilization. Where water resources, infrastructure or sanitation systems were insufficient, diseases spread and people fell sick or died prematurely. Astronaut Jack Lousma taking a shower in space, 1974
The development of water treatment and filtration technologies went through many stages. The greatest level of change came in the 19th century as the growth of cities forced the development of new methods for distributing and treating water and the problems of water contamination became more pronounced.
Water filters have been used throughout history to improve the safety and aesthetics of water intended to be used for drinking or bathing. In modern times, they are also widely used in industry and commerce. The history of water filtration is closely linked with the broader history of improvements in public health. [1]
The amount of fluoride added to a water supply varies not only by city and county but also by the individual water system supplying a given neighborhood. For many years, the federal recommendation ...
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] Most of the mandates for enforcing drinking water quality standards are not for the distribution system, but for the treatment ...
According to the report, "the nation's drinking water system faces a staggering public investment need to replace aging facilities, comply with safe drinking water regulations and meet future needs." [152] Investment needs are about $19 billion/year for sanitation and $14 billion/year for drinking water, totaling $33 billion/year. [153]
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."
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 ...
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