An outfall is the discharge point of a waste stream into a body of water; alternatively it may be the outlet of a river, drain or a sewer where it discharges into the sea, a lake or the like.

A wastewater treatment system discharges treated effluent to a water body from an outfall. An ocean outfall may be conveyed several miles offshore, to discharge by nozzles at the end of a spreader or T-shaped structure. Outfalls may also be constructed as an outfall tunnels or subsea tunnels and discharge effluent to the ocean via one or more marine risers with nozzles.

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  • Outfall — Out fall , n. 1. The mouth of a river; the lower end of a water course; the open end of a drain, culvert, etc., where the discharge occurs. [1913 Webster] 2. A quarrel; a falling out. [Prov. Eng.] [1913 Webster] …   The Collaborative International Dictionary of English

  • outfall — ► NOUN ▪ the place where a river or drain empties into the sea, a river, or a lake …   English terms dictionary

  • outfall — [out′fôl΄] n. the outlet of a river, sewer, etc …   English World dictionary

  • outfall — UK [ˈaʊtˌfɔːl] / US [ˈaʊtˌfɔl] noun [countable] Word forms outfall : singular outfall plural outfalls the place where water or liquid waste flows out of a pipe …   English dictionary

  • outfall — out|fall [ˈautfo:l] n a place where water flows out, especially from a ↑drain or river ▪ a sewage outfall …   Dictionary of contemporary English

  • outfall — [[t]a͟ʊtfɔːl[/t]] outfalls N COUNT An outfall is a place where water or waste flows out of a drain, often into the sea. During the winter months, great flocks of gulls gather at rubbish tips and sewage outfalls …   English dictionary

  • outfall — noun (C) a place where water flows out, especially from a drain 2 (1) or river: a sewage outfall …   Longman dictionary of contemporary English

  • outfall — žiotys statusas Aprobuotas sritis melioracija apibrėžtis Drenažo sistemos dalis vandeniui nuleisti iš rinktuvo, dažniausiai į griovį. atitikmenys: angl. outfall rus. устье šaltinis Lietuvos Respublikos žemės ūkio ministro 2006 m. sausio 9 d.… …   Lithuanian dictionary (lietuvių žodynas)

  • outfall — žiotys statusas T sritis ekologija ir aplinkotyra apibrėžtis Vieta, kur upė įteka į kitą upę, ežerą ar jūrą arba vieta, kurioje upė visiškai išsenka. atitikmenys: angl. mouth; outfall; river mouth vok. Einmündung, f; Fluβmündung, f; Maul, n;… …   Ekologijos terminų aiškinamasis žodynas

  • outfall — upės žiotys statusas T sritis ekologija ir aplinkotyra apibrėžtis Vieta, kur upė įteka į vandenyną, jūrą, ežerą ar kitą upę. atitikmenys: angl. firth; mouth; outfall vok. Mündung, f rus. устье, n …   Ekologijos terminų aiškinamasis žodynas

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