Phys.org
April 23, 2014
Water quality measured in 203 cities across the country last year rated “very poor” or “relatively poor” in an annual survey released by the Ministry of Land and Resources, the official Xinhua news agency said late Tuesday.
Water rated “relatively” poor quality cannot be used for drinking without prior treatment, while water of “very” poor quality cannot be used as a source of drinking water, the report said.
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