Liquid waste or sewage discharged into a river or the sea
Effluent is wastewater from sewers or industrial outfalls that flows directly into surface waters, either untreated or after being treated at a facility.[1] The term has slightly different meanings in certain contexts, and may contain various pollutants depending on the source.[2]
^"Terms of Environment". Washington, D.C.: United States Environmental Protection Agency (EPA). February 1993. p. 10. EPA 175-B-93-001.
^Tuser, Cristina (2021-10-27). "What is Effluent?". Water & Wastes Digest. Endeavor Business Media, LLC.