graywater

gray·wa·ter

G0245250 (grā′wô′tər, -wŏt′ər)n. Wastewater from household baths, sinks, and washing machines, especially when recycled as for use in gardening or for flushing toilets.

gray·wa·ter

(grā′wô′tər) Wastewater from household baths and washing machines that is recycled, especially for use in gardening or for flushing toilets.Did You Know? White water is what you go rafting on. If you ever rafted on graywater, well, you'd need a good shower (in fresh water) at the end of the day to get rid of the smell. To understand graywater, it's best to first define something even smellier: blackwater. Blackwater is, quite simply, the water that gets flushed down the toilet, complete with the reasons why you flushed the toilet. Blackwater can also include water with other organic wastes—from the sink or garbage disposal, for example. Graywater is still not drinkable, but it's less nasty than blackwater. Graywater is the stuff that goes down the drain from other uses, such as showering or laundry. Because it is relatively clean, graywater can be recycled in areas where water is scarce, to irrigate flower beds or to be fed into toilets to become blackwater. These uses conserve fresh water for drinking and bathing.

Graywater

Appendix G of the Uniform Plumbing Code (UPC) defines graywater as “untreated household wastewater which has not come into contact with toilet waste. Graywater includes water from bathtubs, showers, bathroom wash basins, and water from clothes-washer and laundry tubs. It shall not include wastewater from kitchen sinks or dishwashers.” The International Plumbing Code (IPC) defines graywater in its Appendix C as “wastewater discharged from lavatories, bathtubs, showers, clothes washers, and laundry sinks.” Some states and local authorities allow kitchen sink wastewater to be included in graywater. Other differences with the UPC and IPC definitions can be found in state and local codes. Project teams should comply with the graywater definitions as established by the authority having jurisdiction in their areas.

单词	graywater
释义	graywater gray·wa·ter G0245250 (grā′wô′tər, -wŏt′ər)n. Wastewater from household baths, sinks, and washing machines, especially when recycled as for use in gardening or for flushing toilets. gray·wa·ter (grā′wô′tər) Wastewater from household baths and washing machines that is recycled, especially for use in gardening or for flushing toilets.Did You Know? White water is what you go rafting on. If you ever rafted on graywater, well, you'd need a good shower (in fresh water) at the end of the day to get rid of the smell. To understand graywater, it's best to first define something even smellier: blackwater. Blackwater is, quite simply, the water that gets flushed down the toilet, complete with the reasons why you flushed the toilet. Blackwater can also include water with other organic wastes—from the sink or garbage disposal, for example. Graywater is still not drinkable, but it's less nasty than blackwater. Graywater is the stuff that goes down the drain from other uses, such as showering or laundry. Because it is relatively clean, graywater can be recycled in areas where water is scarce, to irrigate flower beds or to be fed into toilets to become blackwater. These uses conserve fresh water for drinking and bathing. Graywater Graywater Appendix G of the Uniform Plumbing Code (UPC) defines graywater as “untreated household wastewater which has not come into contact with toilet waste. Graywater includes water from bathtubs, showers, bathroom wash basins, and water from clothes-washer and laundry tubs. It shall not include wastewater from kitchen sinks or dishwashers.” The International Plumbing Code (IPC) defines graywater in its Appendix C as “wastewater discharged from lavatories, bathtubs, showers, clothes washers, and laundry sinks.” Some states and local authorities allow kitchen sink wastewater to be included in graywater. Other differences with the UPC and IPC definitions can be found in state and local codes. Project teams should comply with the graywater definitions as established by the authority having jurisdiction in their areas.
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