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Poll to plumb patterns of water usage

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How long do you spend in the bath and how often do you wash your dirty clothes?

These are two of the questions pollsters will be asking when they interview Hongkongers for a HK$700,000 study to help officials come up with ways to cut water use.

They will also record the size of the bathtub and the type and size of toilet tanks in the house, among other things.

About 1,000 households will be chosen to take part in the study, said to be first of its kind in the city. It will be officially launched next month.

In addition to a questionnaire to find out how much they know about water conservation, all household members will be asked to fill out a logbook for a week to record how they use water, including how long and when they bathe, and how often they use a washing machine.

The Water Supplies Department, which commissioned the study, hopes the consumption patterns gathered can allow more effective planning for conservation measures.

Water consumption rose steadily from 212.7 litres a person a day in 2003 to 221.7 litres in 2007. The figure has remained at about 220 litres in recent years - roughly 30 per cent higher than the world average.

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