Graywater Reuse

Graywater can be defined as untreated domestic wastewater which has not come into contact with toilet or direct food waste. Typically, it is water coming from bathtubs, showers, sinks, laundry activities and similar water consuming systems. Not included are water discharges from toilets, kitchen sinks, disposers, dishwashers or laundry water from soiled diapers. These discharges are usually designated “blackwater”, primarily because of the potential presence of pathogenic microorganisms.