out·​fall | \ ˈau̇t-ˌfȯl How to pronounce outfall (audio) \

Definition of outfall

: the outlet of a body of water (such as a river or lake) especially : the mouth of a drain or sewer

Examples of outfall in a Sentence

Recent Examples on the Web In a third part to the regional collaboration, the Great Lakes Water Authority will accelerate improvement projects at the West Warren combined sewer outfall location in Detroit, required to bring it into compliance with federal discharge permits. Keith Matheny, Detroit Free Press, "Project could stop 48 million gallons of combined sewage overflows into Rouge River," 10 Feb. 2021 The photos depict nature, mostly in the form of aquatic birds, accommodating itself to AlexRenew’s water-treatment lagoons and the outfall pipes where effluent can enter the river. Washington Post, "In the galleries: Up to his elbows in watery works and lustrous prints," 18 Dec. 2020 Construction of the dam downstream of the facility's outfall is restricting flow of the stream. Tom Sissom, Arkansas Online, "Washington County officials table road budget," 11 Nov. 2020 Eastchester and Mountain View eventually contracted with the military for their outfall sewer. David Reamer, Anchorage Daily News, "How a young City of Anchorage took shape in the decades after incorporation in 1920," 2 Nov. 2020 But on the Palos Verdes shelf where the Superfund site is, anglers are still warned not to catch certain fish because of the DDT dump from the sewage outfall from decades ago. Sammy Roth Staff Writer, Los Angeles Times, "Boiling Point: After decades of abuse, oceans could offer a climate change solution," 29 Oct. 2020 Not only will the existing drainageway be regraded and reinforced to limit future erosion, but a headwall will be installed to anchor the new storm sewer outfall. John Benson, cleveland, "Seven Hills tackling short-term storm sewer flooding solutions," 2 Sep. 2020 Abandon the outfall that causes untreated groundwater to flow into the river. Laura Schulte, Milwaukee Journal Sentinel, "DNR seeking to lower levels of arsenic, PFAS flowing into Menominee River from firefighting foam facility in Marinette," 18 Aug. 2020 Eastchester and Mountain View, the other local PUDs, eventually contracted with the military for their outfall sewer and had no regular police presence while independent of the City of Anchorage. David Reamer, Anchorage Daily News, "Here’s how Anchorage’s Mountain View, Fairview and Government Hill neighborhoods were named," 23 Aug. 2020

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'outfall.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of outfall

1629, in the meaning defined above

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Time Traveler for outfall

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The first known use of outfall was in 1629

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Statistics for outfall

Last Updated

24 Feb 2021

Cite this Entry

“Outfall.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/outfall. Accessed 25 Feb. 2021.

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