The diagram shows how rainwater is collected for the use of drinking water in an Australian town. Summarise the information by selecting and reporting the main features, and make comparisons where relevant.

The diagram presents the process of producing drinking

water

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from gathering rainwater in a town in Australia.

Overall

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,

water

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is processed through three main steps from the filter to the chemical treatment to serve consumers.

Firstly

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, when it rains, each house collects rainwater from its roof and goes through gutters, eventually running into drains at the bottom of the house.

Then

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the installed one large pipe underneath of houses gathers

water

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from four houses and sends

water

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through a filter to remove physical, biological and chemical contaminations from various causes

as a result

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of making purified

water

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.

Secondly

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, after the process of

water

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filtration from households, filtered

water

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is kept in a large industrial size of storage tank to move on to the next final step. The

last

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procedure is

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treatment which is so-called sanitization to produce safe drinkable

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for the public. In fact, the

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storage tank and the treatment tank are connected with one duct and a couple of factories are built it on, eventually,

water

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is treated by releasing chemicals from an upper building and carried away to houses in a town.

Finally

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, rainwater is used without any adverse events.