The illustration provides information about the reusage of rainwater for domestic purposes.
Overall, it is clear that there are different methods of recycling of rainwater for the household usage.
It is evident that the rain poured on the dam can be sent to water treatment plan, where it is converted into drinking water and sent to the households. Other sources involves the rainwater can be collected in a rainwater tank from each homes, which acts as a direct source of usage.
The diagram highlights that the water which has been used by the households for domestic purpose is divided into two parts. On one hand, household waste water is received by the wastewater treatment plan, which is the recycled there. Once the recycling process is completed, it is sent to the households again. While, some amount of wastewater from house as well as from the treatment plant, is flown through storm water treatment.