Article

Water Quality

Mark Robson

in Public Health

ISBN: 9780199756797
Published online February 2011 | | DOI: http://dx.doi.org/10.1093/obo/9780199756797-0062
Water Quality

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According to the United Nations, almost one billion or more people lack access to safe drinking water, and 40 percent lack access to basic sanitation. Water contamination is one of the most important global public health issues. Chemicals such as pharmaceuticals, personal care products, such as detergents, soaps and shampoo solvents, gasoline, and others that are used in urban and industrial activities have been found in surface water and ground water. Banned pesticides that have not been used for decades are currently being detected in fish and streambed sediment at levels that pose a potential risk to human health, aquatic life, and fish-eating wildlife. Water contaminants are numerous and include naturally occurring and manmade chemicals as well as biological contaminants. The World Health Organization (WHO) estimates that over 137 million people in more than seventy countries are probably affected by arsenic poisoning of drinking water.

Article.  3287 words. 

Subjects: Public Health and Epidemiology

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