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wastewater

American  
[wayst-waw-ter, -wot-er] / ˈweɪstˌwɔ tər, -ˌwɒt ər /

noun

  1. water that has been used in washing, flushing, manufacturing, etc.; sewage.


Etymology

Origin of wastewater

1400–50; late Middle English waste watre

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

The FDA said two samples tested positive for cyclospora, one from a tank containing wastewater from the processing facility and another from a drainage ditch at a lettuce grower.

From The Wall Street Journal ● Oct. 8, 2026

Recent upgrades to the plants helped reduce that pollution, and the federal government has dedicated about $650 million to repair and replace aging wastewater infrastructure.

From Los Angeles Times ● Sep. 2, 2026

Data centers also deploy efficient systems to recirculate wastewater, so they don’t affect the supply of drinking water.

From The Wall Street Journal ● Aug. 31, 2026

Residents in Denmark now consume 97 litres of water per person per day, according to Danva, the country's water and wastewater industry body.

From BBC ● Aug. 29, 2026

Although a decontamination process could remove some of the radioactive isotopes from the water, it couldn’t clean all of it, so most of the wastewater was stored in tanks.

From "Meltdown" by Deirdre Langeland

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