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. You should write at least 150 words.

The figure depicts how rainwater is collected and treated in an Australian town before being used as drinking

water

. The

overall

process requires the proper drainage arrangement , storage tanks

water

filters and chemicals as well.There is a major role in filtration and chemical handling. First of all ,when rainwater falls on the roof of the house, the structure of drainage should be made in a way that the rain should directly pass through a pipe and be stored in the tanks.After that ,the collected

water

goes to the filter box which

then

separates the impurities and pure

water

flows below and remains in storage .

Secondly

,the filtered

water

proceeds to the treatment tank for operation .The chemical box is kept on the upper surface of the treatment tank and sprinkled as per need.Chemical is thoroughly `dissolved in

water

.After a few hours,

water

is moved to the upper tank which is safe to drink. In conclusion, it can be known that

this

method is really effective for utilizing rainwater.