Ground water quality in China 2018, by level

In 2018, around nine percent of the groundwater samples across China had been categorized as Grade II, which serves mainly as drinking water and belongs to surface water source primary protection zone in China.

Average groundwater quality in China in 2018, by quality

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Source

Release date

May 2019

Region

China

Survey time period

2018

Supplementary notes

According to Surface Water Environment Quality Standards of China, the water quality is categorized as follows:

Grade I: Source water and national nature reserve; Grade II: Drinking water and surface water source primary protection zone; Grade III: Drinking water and surface water source secondary protection zone; Grad IV: Industrial water use and recreational water use; Grade V: Agricultural water use and General landscape requirements.

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Statistics on "Natural resources in China"

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