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Drinking water can be produced from any natural sources like groundwater, lakes and rivers (surface waters) or seawater. |
Drinking water standards are set by the World Health organization or by the European Union. |
Drinking water must be free of suspended solids, microorganisms and toxic chemicals. Mineral concentration recommendation varies from country to country but most of the minerals have a maximum concentration recommended to ensure safe, equilibrated and pleasant water to drink. |
For bottled water, taste can vary upon calcium, magnesium, sulfate and iron content. |
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