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According to the international norms developed by the World Health Organization, water potability depends on physical and chemical factors, the absence of toxic substances and the elimination of pathogens. Water supply systems must be authorized and provide drinking water in the required amount and of a quality that complies with the legal requirements in force, so as not to affect the health of consumers. Qualitative and quantitative measurements are needed from time to time to constantly monitor the quality of w...

Water is essential for life. The amount of drinking water required is variable. It depends on physical activity, age, health issues, and environmental conditions. For those working in a hot climate, up to 16 liters a day may be required. Water makes up about 60% of weight in men and 55% of weight in women. Infants are about 70% to 80% water while the elderly are around 45%. [1] Far from thinking of promoting certain national bodies, the study shows several necessary aspects for evaluating drinking water situation ...