The diagram shows how the rainwater is collected for the use of drinking water in Australia.

The given diagram provides information about the simple yet useful process adopted by an Australian town for converting rainwater into a drinkable one through a sequence of steps.

Overall

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, after the collection of rainwater, it undergoes the processes of filtering and chemical treatment in the same order to result

into

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in

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pure and drinkable

water

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. The systematic purification process begins with

collection

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the collection

a collection

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of rainwater which flows from the rooftops of houses into the drains via pipes. The drained

water

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from every household is

then

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taken to a common underground pipeline which leads to the filtration unit. The

water

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is

then

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filtered and collected in a storage tank for

further

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processing. The

next

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step involves guiding the

water

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from the storage tank by pipes into the filtration unit wherein it gets treated with some chemicals. The end result of the previous step is pure

water

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which is

then

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directed back to the houses for drinking purposes through pipes.