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Average groundwater quality in China from 2021 to 2024, by quality

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Source

Release date

June 2025

Region

China

Survey time period

2021 to 2024

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.

Citation formats

Ground water quality in China 2021-2024, by level

Published by ÌÇÐÄÆƽâ°æ Research Department, Jun 17, 2025

In 2024, around **** percent of the groundwater samples across China had been categorized as Grade V, which serves mainly for agricultural water use and general landscape requirements in China.

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