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.
Norway’s Northern Lights project has started injecting carbon dioxide captured from wastewater, marking a new step in expanding carbon capture beyond heavy industry. Neetika Walter, Interesting Engineering, 26 Mar. 2026 Porter County uses the census data to determine if municipalities or conservancy districts require expansion of wastewater treatment plants, Breitzke said. Alexandra Kukulka, Chicago Tribune, 26 Mar. 2026 The South Bay International Wastewater Treatment Plant, also operated by the IBWC, processed less than 25 million gallons per day throughout the heatwave — leaving a significant volume of untreated wastewater flowing through unchecked. Walker Armstrong, San Diego Union-Tribune, 21 Mar. 2026 Whirlpool eventually acquired the plant in 2006, which is still an economic engine for the area and processes wastewater for the local community. Nathaniel Meyersohn, CNN Money, 19 Mar. 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 27 Mar. 2026.

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