Water is an important element that needs to be preserved. Humans, animals and plants, can not live without water. It is the responsibility of everyone to conserve water in whatever way they can. Rain barrels can be made in any part of the home or workplace, we can have rain barrels for water supply. Rain barrels very easy and good for the rear yard of the house saved. They can have a major impact on the sustainability of water resources. Although maintenance is very cheap and easy in maintenance, they can keep the water supply and is useful in a long time. Currently, there are those that connect a large rain barrel water for their household water use during shortages.