The diagram illustrates how the rain is conserved and converted to drinking water in American town. Overall, the rain water is collected, filtered and treated with chemicals to process the water into pure drinking water.
Initially, the rain water which falls in the top of the roof in a house is collected and passed along the pipe to the drain which is at the bottom. This has been done in all the houses and the send along the drain in the underground. This passes in the the water filter to clean the water from obstacles. This liquid is stored in the storage tank.
This is send to water treatment in which the chemicals is added to process the water clean and safe to drink. Finally the water gets processed and it is send along the pipe to the houses in the top. This water can now be used for consuming
