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.
Industry partners Saygin & Stein and EMW filtertechnik GmbH are involved, alongside the Lollar-Staufenberg Zweckverband, which operates local wastewater infrastructure. Aamir Khollam, Interesting Engineering, 18 Dec. 2025 After the audit, the ETP is switched off again and untreated wastewater is discharged into nature. Céline Van De Loo, Sourcing Journal, 16 Dec. 2025 Now, a wastewater marsh must do the ecological heavy lifting. Brandon Loomis, AZCentral.com, 15 Dec. 2025 For the past year, residents and others have cited numerous concerns about the project, including its cost, wastewater plan and the general lack of information available to the public. Sophie Hartley, IndyStar, 10 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 22 Dec. 2025.

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