gray water

(redirected from Greywater)
Also found in: Dictionary, Encyclopedia, Wikipedia.

gray water

Wastewater that has been used in kitchens, laundries, sinks, showers, and tubs, but not toilets.
See also: water
References in periodicals archive ?
It empowers landholders and their managing agents to provide innovative water solutions at lot scale, and supports the State's water objectives for increasing use of recycled and greywater to manage the impact of competition and the drying climate.
22, 2015 /PRNewswire/ -- The very first and only practical, legally approved, UPC-certified greywater diverter device for residential use, which helps to save up to 25% or more on household water use (depending on usage habits), will become available for sale September, 2015.
The greatest challenge within greywater usage in Qatar is to do with the volume that is generated and then treating it so that it can be reused.
Using water from sinks, showers and washing machines to irrigate plants is a way to increase the productivity of sustainable backyard ecosystems that produce food, clean water and shelter wildlife," reports Greywater Action, a California-based non-profit dedicated to educating and empowering people to use water sustainably.
38) World Health Organization, "Policy and Regulatory Aspects," Guidelines for the Safe Use of Wastewater, Excreta and Greywater 1 (2006), 6.
Overcoming constraints in treated greywater reuse in Oman.
New technology such as condensing boilers, solar thermal systems, on-site greywater and blackwater recycling systems, high-efficiency fixtures and other energy recovery technologies have created a new need for building retrofits.
Non-conventional methods have become a must like rainwater harvesting, greywater re-use, and, in some cases more desalination.
It focuses on large and small municipal wastewater treatment plants and does not address building-scale reuse or greywater reuse in depth.
The 30 schools in the study reduced water usage by approximately a third, with water and waste water reduction achieved through the use of green roofs, greywater systems, and rainwater catchment.
Wahaso - Water Harvesting Solutions, is a design-build firm specializing in custom commercial systems for harvesting rainwater, greywater and other on-site water resources for non-potable uses like toilet flushing, irrigation and evaporative cooling system make-up.
This project aims to reuse greywater in limited scopes.