Since groundwater lies far below the land surface the soil fully protects it fron containment

Groundwater protection must be a high priority in zones where contamination can easily enter the aquifer and affect a spring or pumping well used for the drinking water supply of a large population.

Explanation:

Groundwater protection has been addressed in most countries by issuance of different rules and regulations at national or local level that aim at preventing aquifer contamination. In this sense, laws have been issued to regulate the use and manufacture of toxic products, and set measures to manage the waste produced by industrial activities, and to properly place and maintain waste disposal and storage facilities (landfills, injection wells, storage tanks). Maximum allowable concentrations for some pollutants have been established, mainly in developed countries, to preserve a good quality of the groundwater exploited for drinking water supply. In addition, well-head protection areas and groundwater zone protection areas have also been defined in some developed countries to prevent pollution of drinking water sources.

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