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 fracking process required to extract most LNG results in toxic wastewater, according to nonprofit advocacy group Stand. Marcia Simon, Hartford Courant, 3 Jan. 2026 There were several wastewater-treatment plants, too. Isaac Chotiner, New Yorker, 2 Jan. 2026 Projects can typically offset 10% to 25% of their water with alternative sources, but 50% or more is achievable if stormwater or wastewater is collected for reuse, the report noted. Chaya Tong, Austin American Statesman, 1 Jan. 2026 Phase 2 is set to begin late next summer or early fall and laterally connect the utilities, install a pump station for wastewater and build new restrooms. Ashley MacKin Solomon, San Diego Union-Tribune, 31 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 11 Jan. 2026.

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