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

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to process in order to use as drinking

water

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.

Overall

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,

rainwater

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

then

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being

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apply

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treated with chemicals.

Initially

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

then

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

rainwater

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in

this

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way and the

rainwater

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is

then

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passed along underground drains to the

water

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filter. The

rainwater

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passes through the

water

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

this

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point, the

water

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goes from storage to

the

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apply

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water

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treatment. At

this

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stage of the process, the

water

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

water

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

water

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for daily consumption.