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 leak in the Potomac Interceptor, which is managed by DC Water, led more than 200 million gallons of wastewater to spew into the 383-mile-long river. Francesca Chambers, USA Today, 19 Feb. 2026 In March 2024, the San Antonio River Authority said wipes were causing significant issues at wastewater treatment plants. Julia James, Dallas Morning News, 19 Feb. 2026 Gary City Court Judge Deidre Monroe gave an overview of the wastewater treatment ordinance. Maya Wilkins, Chicago Tribune, 18 Feb. 2026 Smithfield Foods is proposing a $90 million tax incentive to help fund a new wastewater treatment facility for its new plant. Angela George, Sioux Falls Argus Leader, 18 Feb. 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 22 Feb. 2026.

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