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By country Environment portal Ecology portalvteWastewater (or waste water) is water generated after the use of freshwater, raw water, drinking ...
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water or saline water in a variety of deliberate applications or processes.: 1 Another definition of wastewater is "Used water from any combination of domestic, industrial, commercial or agricultural activities, surface runoff / storm water, and any sewer inflow or sewer infiltration".: 175 In everyday usage, wastewater is commonly a synonym for sewage (also called domestic wastewater or municipal wastewater), which is wastewater that is produced by a community of people.