If properly stored and separated from potable water, graywater collected from sinks, showers, and clothes washers can be used to irrigate landscaping.
Green Technology Research : Grey Water Systems
Products (Recycling gray water) Grey water system, Grey water recycling, House system
Greywater Systems - Water Wise Group
6 State of Design Practice for Stormwater and Graywater, Using Graywater and Stormwater to Enhance Local Water Supplies: An Assessment of Risks, Costs, and Benefits
Greening Federal Facilities, PDF, Green Building
Grey Water Re-Use
The Smart Investment: Greywater Recycling and Rainwater Harvesting
Making Use of Gray Water in Your Home
3 Quantities Available for Beneficial Use and Potential Impacts on Water Demand, Using Graywater and Stormwater to Enhance Local Water Supplies: An Assessment of Risks, Costs, and Benefits
Laundry-to-Garden: How to Irrigate with Graywater - Modern Farmer
Schematic diagram for the treatment of greywater
Greywater Systems - Green Education Foundation, GEF, Sustainability Education
How Can You Reuse Your Gray Water? - Genesis Water Tech