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Access to water supply and sanitation has increased significantly in China over the past two decades in parallel with economic growth. The number of people lacking access to "at least basic" water in 2015 was 63 million. The term "at least basic water" is a new term since 2016, and is related to the previously used "improved water source".
Drinking water standards include lists of parametric values, and also specify the sampling location, sampling methods, sampling frequency, analytical methods, and laboratory accreditation ( AQC ). In addition, a number of standards documents also require calculation to determine whether a level exceeds the standard, such as taking an average.
"All tap water in Beijing meets quality standards" in 2012, according to Cheng Jing, head of the Beijing Water Bureau. Beijing drinking water quality standards "are based on the current standards set by the World Health Organization, the European Union, the US and Japan," according to Zhang Lan, a researcher at the Institute of Environmental ...
China adopted its own drinking water standard GB3838-2002 (Type II) enacted by Ministry of Environmental Protection in 2002. [29] Where drinking water quality standards do exist, most are expressed as guidelines or targets rather than requirements, and very few water standards have any legal basis or, are subject to enforcement. [30]
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. Typically in developed countries, tap water meets drinking water quality standards, even ...
In late 2009, a survey was carried out by China Ministry of Housing and Urban-Rural Development to assess the water quality of urban supplies in China's cities, which revealed that "at least 1,000" water treatment plants out of more than 4,000 plants surveyed at the county level and above failed to comply with government requirements.
Deterioration of drinking water quality continues to be a major problem in China. Continuous emissions from manufacturing is the largest contributor to lowered drinking quality across the People's Republic , [ 25 ] but introduction of poorly treated sewage, industrial spills, and extensive use of agricultural fertilizers and pesticides have ...
The samples, retrieved by China’s Chang’e-5 probe, came from a middle-latitude part of the moon, at 43.1 degrees latitude – an area that’s normally “not stable for molecular water ...