Graywater is the wastewater from washing machines, showers, and sinks (not toilets). You can use graywater to irrigate ornamental plants and fruit trees as long as (for health reasons) the water doesn't come to the surface of the ground.
Graywater systems range from simple gravity-fed pipelines that drain into porous soak zones at the base of plants to complex high-tech contraptions. Figure 7-6 gives you an idea of how a simple graywater system works.
Develop a graywater system if you have plants that can use frequent watering and if your household generates enough graywater to have an impact on your water use. Also be sure your house plumbing is suited to the task of sending graywater into the garden. See Chapter 8 for details.
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How would you like to save a ton of money and increase the value of your home by as much as thirty percent! If your homes landscape is designed properly it will be a source of enjoyment for your entire family, it will enhance your community and add to the resale value of your property. Landscape design involves much more than placing trees, shrubs and other plants on the property. It is an art which deals with conscious arrangement or organization of outdoor space for human satisfaction and enjoyment.