The diagram illustrates the systematic process of accumulating rainwater for consumption in an Australian town.
Overall, the rainwater collection consists of multiple stages designed to purify and store water before it is made available for drinking, while also providing a mechanism for excess water drainage.
Initially, the system begins with the capturing of rainwater from rooftops, which is directed to a water filter. The filtration process eliminates debris and particulate matter, ensuring that the water is suitably clean for the subsequent treatment stage. Following filtration, the water travels to the water treatment phase, where the water is further treated with chemicals. This step is very crucial in order to meet health and safety standards.
The treated water is piped to households and establishments for use as drinking water. It is noteworthy that any excess water that arises during the course of collection and treatment is efficiently managed through a drain outlet, thereby preventing overflow and potential issues related to water management in the town.