waste·​wa·​ter | \ ˈwāst-ˌwȯ-tər How to pronounce wastewater (audio) , -ˌwä- \

Definition of wastewater

: water that has been used (as in a manufacturing process) : sewage

Examples of wastewater in a Sentence

Recent Examples on the Web Polio has been detected in London’s wastewater system, U.K. health authorities said, putting clinics on high alert for an infectious disease that hasn’t been recorded in Britain for nearly four decades. Denise Roland, WSJ, 22 June 2022 However, that’s not because the cross-border pollution from Baja California’s overtaxed and crumbling wastewater system has dramatically escalated, according to county officials. Joshua Emerson Smith, San Diego Union-Tribune, 14 June 2022 In addition, the wastewater system, which requires frequent and costly pumping, also needs to be upgraded, and there’s no nearby fire hydrant to help extinguish fires. Chris Aadland, oregonlive, 11 May 2022 That wave crested at 47.6 million coronavirus copies per liter of wastewater on Jan. 9. Paul Sisson, San Diego Union-Tribune, 22 July 2022 Surveys of wastewater in the Bay Area suggest this surge could be the biggest yet. New York Times, 18 July 2022 The Joint Water Pollution Control Plant in Carson discharges 260 million gallons of treated wastewater per day, treating sewage from as far away as Pomona. Los Angeles Times, 17 July 2022 New analysis of Bay Area wastewater suggests that the current COVID surge may actually be the biggest one yet, even though case numbers are still tracking lower. Aidin Vaziri, San Francisco Chronicle, 15 July 2022 Distilleries and breweries produce a ton of wastewater. Kristine M. Kierzek, Journal Sentinel, 30 June 2022 See More

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'wastewater.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of wastewater

15th century, in the meaning defined above

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Time Traveler for wastewater

Time Traveler

The first known use of wastewater was in the 15th century

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Dictionary Entries Near wastewater



waste-wax process

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Statistics for wastewater

Last Updated

6 Aug 2022

Cite this Entry

“Wastewater.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/wastewater. Accessed 16 Aug. 2022.

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More from Merriam-Webster on wastewater

Nglish: Translation of wastewater for Spanish Speakers

Britannica.com: Encyclopedia article about wastewater


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