I spotted on the BBC News website a water calculator for your household.
Water Calculator
You have to average out a few of the calculations though - i.e. watering the garden only 3 months in a year so per week it would be less than you think.
Our household of 4 comes out to ~505 litres/day / 126 per person
Water Calculator
You have to average out a few of the calculations though - i.e. watering the garden only 3 months in a year so per week it would be less than you think.
Our household of 4 comes out to ~505 litres/day / 126 per person
