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The amount of drinking water required is variable. It depends on physical activity, age, health, and environmental conditions.It is estimated that the average American drinks about one liter of water a day with 95% drinking less than three liters per day.For those working in a hot climate, up to 16 liters per day may be required.
very much ..............................................
For modern apartment with washing machine/dishwasher with 2/3 people sharing 170 litres per person per day (inside use only).
