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 illustrates the

process

by which rainwater is collected and purified to provide drinking

water

for household usage in a town in Australia. It is readily apparent that the

process

involves five main steps, which start when rainwater is collected by a drainage system and

ends

Correct subject-verb agreement

end

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when filtered and treated

water

is pumped into people’s accommodations for domestic consumption. Looking at the detail,

initially

Add a comma

initially,

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water

falling down onto rooftops is collected via a series of drains which lead to an underground

water

filter.

Subsequently

, the filtered

water

is transported by pipe to a large tank for storage prior to treatment. In the second half of the

process

,

water

is pumped into a second tank where chemicals are added to purify the

water

and make it drinkable. In the

last

step of the

process

, the

water

is pumped back into houses to be used from the tap as drinking

water

by households.