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.
But infectious diseases can spread in a crowd, and experts are scrutinizing wastewater, hospital visits, even social media for any signs that an outbreak might be brewing. Lauran Neergaard, Los Angeles Times, 15 June 2026 Verily Health, an offshoot of Google X, began monitoring wastewater for infectious diseases during COVID in 2020, and now works with the CDC and others to provide up-to-date information on disease trends picked up in wastewater. Alice Park, Time, 12 June 2026 Portage Utilities Superintendent Tracie Marshall said her crews worked hard Thursday night, addressing alarms and other issues at the wastewater treatment plant during the storm. Post-Tribune, Chicago Tribune, 12 June 2026 The Tijuana River Valley, which straddles the border, has been overrun for decades by untreated wastewater and sewage, forcing border towns like Imperial Beach and Chula Vista to intermittently close its beaches due to pollution. Lia Russell, Sacbee.com, 11 June 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 18 Jun. 2026.

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