Drinking water quality standards :

 drinking water

Drinking water quality standards :

Drinking water quality standards describes the quality parameters set for drinking water. Despite the truism that every human on this planet needs drinking water to survive and that water can contain many harmful constituents, there are no universally recognized and accepted international standards for drinking water.
The quality of drinking-water is a powerful environmental determinant of health. Assurance of drinking-water safety is a foundation for the prevention and control of waterborne diseases.