Often the most wasteful areas of water use is that of landscaping. Irrigating landscape often uses immense amounts of water because many decorative plants have high water demands. Also, poor landscape design can lead to wasted water by causing excess runoff and even small-scale flooding in areas.
Landscape irrigation often requires immense amounts of water because of the non-native choices that many homeowners make when designing their landscape. In California, for example, many gardeners select ornamental plants for the colorful flowers that last only a few weeks at a time. In order to significantly reduce the amount of water used to irrigate your garden, you should consider planting native species in your garden. Many of these plants have beautiful flowers and attract native wildlife such as birds and various mammal species.
Another significant cause of wastewater in landscape is poor landscape design. Extensive areas of non-permeable hardscape cause small-scale flooding because the water often has nowhere to drain. In my own yard, for example, there is a section of cement approximately 10’ wide by 25’ long that was used as a patio by the previous owner, which now fills with water every time it rains. One of the easiest solutions to this problem is replacing non-permeable hardscape with a permeable version. You can buy cement pavers at local hardware stores, and these allow the water to pass between each piece, helping drain water and replenish underground storage basins. When water is unable to enter the ground, it is most often channeled into sewage systems where it must be treated and re-released into the environment.
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