About 40% of potable water consumption in a home is used to flush the toilet, toilet called in our country, and a similar percentage in bathing, so we can assume that 80% of the daily consumption we are pulling the drain, without realize the social and environmental damage we are causing. Seeing this actually posed the question, "How to build a house maximizing the water through use, reuse and recycling, without damaging the environment, using a system that achieves minimize water indiscriminate spending on activities and tasks that require such, it is designed for a target of much importance, which plans to propase specifications to reduce potable water consumption through the reuse of domestic wastewater in a home, secure sanitary conditions, and designing a computer allow greywater reuse these, in the first instance redirecting bathing water used to feed the toilets, and then to drain...