The diagram illustrates how an Australian town processes rainwater to use as drinking water.

The diagram illustrates the process by which an Australian town collects and treats

rainwater

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for use as drinking

water

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.

Overall

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,

rainwater

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is harvested from residential rooftops, filtered, stored, and chemically treated before being redistributed for human consumption.

Initially

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, rainfall lands on the rooftops of houses and is directed into gutters. The

water

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then

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flows down pipes located at the sides of the houses and is collected in drains at ground level. Each house follows

this

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method, and the

rainwater

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is

subsequently

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transported through a system of underground drains to a central

water

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filtration unit. At

this

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stage, the

rainwater

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passes through the filtration system to remove any impurities. Once filtered, it travels through pipes into a storage tank. Following storage, the

water

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is pumped into a treatment facility, where it is mixed with chemicals to ensure it is safe for human consumption.

Finally

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, the treated

water

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flows back through a network of pipes into the town’s houses, where residents can use it for drinking and other daily needs.