Greywater is gently used water from your bathroom sinks, showers, tubs, and washing machines. It is not water that has come into contact with feces, either from the toilet or from washing diapers Greywater can also be used to irrigate vegetable plants as long as it doesn't touch edible parts of the plants.
Known as greywater, this includes water used for laundry, showers, washing dishes and other sink activities. ... Not only does this process reduce the need for fresh water, it also cuts down on the amount of wastewater in our sewer systems, both of which are sustainable benefits.
