Water protection map: Groundwater protection zones

Groundwater protection zones S1-S3 are the most important instrument to protect the reservoirs, enrichment plants and groundwater directly from its use as drinking water from adverse effects.S1-S3级地下水保护区是保护水库、富集处理厂以及直接用作饮用水的地下水免受不利影响的最重要保护手段。