The diagram shows how rainwater is collected for the use of drinking water in a Australian city.

The diagram illustrates how an Australian town collects

rainwater

to process in order to use as drinking

water

.

Overall

,

rainwater

collected from houses can be used for drinking after it has been processed by being filtered and

then

being

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treated with chemicals.

Initially

, the rain which falls on the rooftop is collected by the gutter and

then

runs down the pipe at the side of the house into the drain at the bottom. Each house collects

rainwater

in

this

way and the

rainwater

is

then

passed along underground drains to the

water

filter. The

rainwater

passes through the

water

filter to remove any impurities. Once it has been filtered, it continues along the pipes to a storage tank. From

this

point, the

water

goes from storage to

the

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water

treatment. At

this

stage of the process, the

water

is treated with chemicals in order to make it fit for consumption. When the

water

is ready for drinking, it travels along pipes that lead back into the houses in the town where people can use the

water

for daily consumption.