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Gray water and Rainwater Harvesting for Residents
GRAY WATER

Gray water is used, untreated water that comes from bathroom sinks, showers, dishwashers and washing machines. Residential Graywater and Rainwater Harvesting, PhotoResidential graywater systems collect and store gray water for landscape irrigation. Gray water does not come from the toilet or kitchen sinks, and is safe to irrigate landscaping with.

 

Arizona Department of Environmental Quality’sOffSite Icon brochure Using Gray Water at Home Acrobat Icon PDFs (2 MB) provides general information about gray water use in Arizona.

 

Gray Water and Water Harvesting System Tax Credit

Residential Graywater and Rainwater Harvesting, Photo

Arizona law allows individual taxpayers to receive income tax credit for installing a gray water system in the taxpayers Arizona home under A.R.S. §43-1090.01. To view instructionsOffSite Icon and obtain an applicationOffSite Icon for gray water tax credit, visit the Department of Revenue.OffSite Icon
RAINWATER HARVESTING
Rainwater harvesting is collecting rainwater for future uses. There are many types of rainwater harvesting systems that stem from simple landscaping adjustments to large cisterns buried in the earth.

Residential Graywater and Rainwater Harvesting, Photo

Harvesting Rainwater for Landscape Use Acrobat Icon PDFs (5 MB) provides information about planning and installing residential water harvesting systems. It includes information on calculating plant water use requirements and historic rainfall for many Arizona cities and towns.

Developed by the University of Arizona Pima County Cooperative Extension and the ADWR Tucson AMA, 2004, 2006.
The University of Arizona Online Rainwater Harvesting CourseOffSite Icon is a free course that focuses on using rainwater for residential landscaping in Arizona.

 

Conservation Section Navigation Links

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