wastewater

noun

waste·​wa·​ter ˈwāst-ˌwȯ-tər How to pronounce wastewater (audio)
-ˌwä-
: water that has been used (as in a manufacturing process) : sewage

Examples of wastewater in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The City of Atlanta and the Chattahoochee Riverkeeper have settled a years-long lawsuit over pollution from one of the city's wastewater treatment plants. Dan Raby, CBS News, 4 Feb. 2026 In December, the EPA approved a $315 million loan for the city of Fort Worth to upgrade wastewater collection and treatment under the Water Infrastructure Finance and Innovation Act program. Dallas Morning News, 3 Feb. 2026 The Mexican military has overseen other major projects in the border region, such as the construction of the Mexican section of the future Otay Mesa East Port of Entry and the overhaul of the San Antonio de los Buenos wastewater treatment plant. Alexandra Mendoza, San Diego Union-Tribune, 31 Jan. 2026 Patrick Beane, a professional engineer who leads the City of Des Moines’ Clean Water Program, will now direct the WRA, which conveys and treats wastewater for more than 570,000 Iowans across 18 communities in the Des Moines metro. Kyle Werner, Des Moines Register, 31 Jan. 2026 See All Example Sentences for wastewater

Word History

First Known Use

15th century, in the meaning defined above

Time Traveler
The first known use of wastewater was in the 15th century

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Cite this Entry

“Wastewater.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/wastewater. Accessed 11 Feb. 2026.

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