what is waste water?what does it contain?
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Wastewater is "used water from any combination of domestic, industrial, commercial or agricultural activities, surface runoff or stormwater, and any sewer inflow or sewer infiltration". ... Wastewater can contain physical, chemical and biological pollutants.
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the water which contain different type of germs that may cause disease is called waste water.
it may contain cholera and other type of germs
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