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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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Save Money Doing the Right Thing for the Environment
The City of Santa Monica and other regional agencies currently have numerous rebate and grant programs that can save you hundreds and even thousands of dollars!
$ $ $ REBATES $ $ $
From new clothes washers, to low-water irrigation systems, to rain barrels, this is the real deal. Check our resources and find out which programs are right for you. Don't delay--funding is limited and most offers are first come, first served.
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