The water used for flushing toilets and washing clothes doesn’t need to be treated to potable, drinking water standards. Such savings would greatly reduce the monthly water bill, and help in a variety of other ways.Rainwater is free and although climate change and changing weather patterns may affect its regularity and intensity it should be part of the solution to our water future. It is cleaner than most other sources. Through this project will be improved the water supply for some Kindergartens, will be reduced the urban floods, ensuring a quality of clothes washing, bathing water reducing detergents, reducing costs of kinder gardens in water bill.