gray water
Sink and shower
Gray water is wastewater from household sources like sinks, showers, and washing machines—distinguished from black water, which contains sewage.
Gray water can often be recycled for irrigation or toilet flushing: We installed a gray water system to water the garden.
Also spelled greywater or grey water.
- undrinkableUnsafe for consumption
- bathwaterWater drawn for soaking
- greywaterLight household wastewater
- reuseEmploy something again
- recyclingReprocessing used materials
toilet flushing · washwater · sink drain · septic systems · conservation · drought conditions · shower · treatment · filtration systems · wastewater recycling · effluent · irrigation systems · garden hose · leach field · plumbing systems · drain field · rainwater harvesting · sustainable living
- sanitationsewage, sewers, cleaning, sewer, disinfecting
- homesteadinghomesteading, self-sufficiency, off-grid living, off-grid, chicken coop
- eco-buildinggreen building, eco home, cob house, earthship, straw bale
- non-potable watersewage, wastewater, greywater
- ship pollutionengine exhaust, exhaust gases, nitrogen oxides, smokestack emissions, soot
- water managementdam, irrigation, watershed, cistern, drainage
gray waterblack water
Wastewater containing fecal matter
potable water · drinking water · fresh water · sewage · clean water
gray, grey, water, grayer, greyer, grayest, greyest, grayish, greyish