California Regulations

California Greywater Regulations California’s greywater code is found in Chapter 16 of the California Plumbing Code (CPC). Under the current code washing machine systems can be constructed without a permit in single family homes (1 or 2 units), so long as 12 guidelines are followed (see below). Other types of systems require a permit in […]

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Arizona Regulations

Arizona Greywater Regulations Arizona uses tiered permitting. Download a pamphlet from AZDEQ with simple explanations of the regulations and if your system requires a permit or not. Tier 1 (less than 400 gallons per day) does not require a permit under certain conditions (see below). R18-9-711. Type 1 Reclaimed Water General Permit for Gray Water […]

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New Mexico Regulation

New Mexico Regulations The state of New Mexico does not require a permit for private residential greywater systems that follow the following guidelines. This was copied from the state site on on 9/1/09. Download a brochure from NM Env. Department on the rule here.  20.7.3.810 GRAYWATER DISCHARGES: Graywater discharge of less than 250 gallons per day […]

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Greywater Codes and Policy

Greywater Codes and Policy Quick reference for state codes: Arizona, California, New Mexico, Oregon, Washington (Text on this page is an excerpt from © The Water Wise Home: How to Conserve, Capture, and Reuse Water in Your Home and Landscape, by Laura Allen ) Codes and Regulations Understanding your local greywater codes is important for a few reasons. […]

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