Effluent is an outflowing of water or gas from a natural body of water, or from a human-made structure.
Effluent is defined by the United States Environmental Protection Agency as “wastewater - treated or untreated - that flows out of a treatment plant, sewer, or industrial outfall. Generally refers to wastes discharged into surface waters”.[1] The Compact Oxford English Dictionary defines effluent as “liquid waste or sewage discharged into a river or the sea”.[2]
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