Academic Writing - Model Answer (Task 1)

The diagram illustrates the way in which rainwater is processed to be used in households and how wastewater is disposed of.

Initially, rainwater is either collected in a dam or a tank that is attached to a house. If rainwater is collected in a tank it is used directly by a household for the inhabitant’s individual purposes. Dam water needs to be treated prior to being delivered to houses for drinking purposes.

Household wastewater is treated at a wastewater treatment plant and is either recycled back into homes for further use or is disposed of into rivers if there is an excess amount of water. Similarly, treated stormwater is taken by underground pipes to rivers.

To sum up, rainwater is either used directly for household purposes or is treated at a treatment plant. Likewise, once treated wastewater may be re-used or directed towards a river.

Question taken from IELTS Testbuilder 2 p.87
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