The diagram below shows how rain water is collected and then treated to be used as drinking water in an Australian town. Summarise the information by selecting and reporting the main features and make comparisons where relevant.

The diagram illustrates the process used in an Australian town to collect rainwater and treat it so that it becomes suitable for drinking.

Overall

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, the system involves several stages, beginning with the collection of rainwater from residential roofs and ending with the distribution of treated drinking

water

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back to households. The process is entirely mechanical and relies on filtration and chemical

treatment

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to ensure safety. The process starts when rainwater falls onto the roofs of houses. From there, it is channelled through gutters and directed into underground storage tanks. Once stored, the

water

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is pumped into a

water

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treatment

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facility. In the first stage of

treatment

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, the

water

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passes through a filtration unit to remove solid particles and impurities. After filtration, the

water

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enters a second

treatment

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chamber where chemicals are added to kill bacteria and make the

water

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safe for consumption. When the chemical

treatment

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is complete, the clean

water

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is pumped into a separate storage tank designated for drinking

water

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.

Finally

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, the treated

water

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is distributed through a network of pipes back to households, where it can be used as drinking

water

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.