What is gray water, and can it solve the global water crisis?

Lots More Information

Related HowStuffWorks Articles

More Great Links


  • "What is Gray Water?" Arizona Department of Environmental Quality. http://www.sahra.arizona.edu/programs/water_cons/tips/re-use/gray.htm
  • "100 Water Saving Tips." Water Use It Wisely. http://www.wateruseitwisely.com/100ways/se.shtml
  • "Tips for Reusing Graywater." Savewater.com.au. http://www.savewater.com.au/index.php?sectionid=184
  • "Filter Assembly for Gravity-Assisted Air Conditioner Discharge Water Saver Systems." Free Patents Online. April 12, 2005. http://www.census.gov/prod/1/pop/p25-1129.pdf
  • "How Much Graywater Do I Produce?" Innovative Water Solutions. http://www.watercache.com/standard.php?p=gr
  • "Conserving Water At Home." University of Georgia. http://www.engr.uga.edu/service/extension/publications/c819-1.html
  • "Outdoor Water Use in the United States." U.S. Environmental Protection Agency. October 26, 2007. http://www.epa.gov/watersense/pubs/outdoor.htm
  • "Projections of the Number of Households and Families in the United States: 1995 to 2010." U.S. Census Bureau. April 1996. http://www.census.gov/prod/1/pop/p25-1129.pdf
  • "Reused Water, Plumbing Tips Help Trim Consumption." WRAL. August 24, 2007. http://www.wral.com/news/local/story/1740855/
  • Barker, Allen V. and English, Jean M. "Recycling Gray Water for Home Gardens." University of Massachusetts. http://www.umassgreeninfo.org/fact_sheets/plant_culture/ gray_water_for_gardens.html