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.
Kentucky’s largest wastewater treatment facility, which serves two-thirds of Louisville residents, is being modernized to sustainably produce Class A biosolids, meet stricter clean water regulations and create renewable energy. Killian Baarlaer, The Courier-Journal, 29 July 2025 Dozens of nearby structures were also ravaged, including a visitor center, a wastewater treatment plant and several cabins, which along with the lodge, consisted of the only places to stay overnight inside the park’s North Rim. The Washington Post, San Diego Union-Tribune, 28 July 2025 Mexico City — The governments of Mexico and the United States signed a memorandum of understanding on Thursday to fund and expedite several wastewater treatment projects in the Tijuana River basin. Avery Schmitz, CNN Money, 25 July 2025 Employees are dragging wastewater through the kitchen. David J. Neal, Miami Herald, 25 July 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 21 Aug. 2025.

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