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Water Greywater
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Greywater
(also known as graywater) is wastewater originating from bathroom sinks,
showers, bathtubs or laundry. A
greywater system collects this water to be used to water plants through drip
irrigation.
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New Greywater Standards
As of January 20, 2010, there are new standards regulating greywater systems in the State of California.
Permits
No permits are required for clothes washer greywater systems as long as the 12 state requirements are met. (See page 3 - State Greywater Standards  )
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Permits are required for multi-family and commercial property greywater systems and single-family greywater systems that include wastewater from more than one plumbing fixture (such as clothes washer plus bathtub).
Resources
A few rules of thumb:
- For minimum hassle, the things you want to water should be downhill from the lowest point in your greywater system. Simple systems cost less and will be cost‑effective in a shorter period of time.
- No matter how much greywater you produce, you will probably still need a conventional irrigation system on at least part of your property.
- Putting in a greywater system is not something that is going to save you a lot of money. But it is one of the most effective things you can do to cut your exterior water use and reduce the waste stream from your home.
Questions? Call city’s Watershed Management Section at 310/458-8972. |
Last updated: Thursday, 03/08/2012
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New Rebates - Up to $3,000
Less red tape, online application. Get paid to save water and the environment. Visit our Rebates section, or call 310.458.8972 x1
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