The picture illustrated the process of using rainwater to the house and it generally categorized by three kinds of water storages; water treatment plant, rainwater tank and recycled water. Although, the function of water is similar, it can be seen that the differences process of water to utilize.
First, rainwater directly goes to dam called as dam water and it is saved by water treatment plant. Then, drinking water source is delivered from water treatment plant to the house. Another house water source is rainwater tank, located nearly house. This rainwater is storage in the tank and distributed to the house. Moreover, rainwater tank and water treatment plant sources are processed to household wastewater.
The following step, household wastewater is send to the wastewater treatment plant, then it is reused again by recycling method. Afterwards, recycled water is distributed to the house and the result of recycled water is distributed to wastewater treatment plant so the residue of that, namely excess treated water. Finally, excess treated water goes through the river and also gather with stormwater treatment which are not used by house.