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.
Unlike homes connected to municipal wastewater services, where almost any toilet paper can be flushed, septic systems require particular attention to avoid issues. Timothy Dale, Better Homes & Gardens, 26 Dec. 2025 In defense of this argument, the top executive wrote that a domed stadium in Missouri would utilize a Thermal Energy Network tied to heat from nearby wastewater infrastructure that would sharply reduce costs and unlock large federal clean energy incentives. Kacen Bayless, Kansas City Star, 22 Dec. 2025 Groups have warned that enforcing the standard could have much broader impacts beyond the mining industry, because municipal wastewater treatment plants, paper mills, agricultural processing plants and other facilities also discharge sulfate. Dan Kraker, Twin Cities, 21 Dec. 2025 From November to December, wastewater concentrations of influenza type A rose 390% nationwide, according to data from WastewaterSCAN, an academic program through Stanford University in partnership with Emory University. Kaan Ozcan, NBC news, 19 Dec. 2025 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 30 Dec. 2025.

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