wastewater
noun
waste·wa·ter
ˈwāst-ˌwȯ-tər 
-ˌwä-
: water that has been used (as in a manufacturing process) : sewage
Examples of wastewater in a Sentence
Recent Examples on the Web
In Colorado, renewable facilities already are converting methane from dairy farms or wastewater into natural gas, Conway said.
—
Noelle Phillips, Denver Post, 7 Dec. 2025
Lion Oil and Great Lakes Chemical, a nearby chemical plant, worked together to reuse 2 million gallons of wastewater each day instead of using aquifer water, an effort that earned the two companies the 2002 Corporate Conservationists of the Year Award from the Arkansas Wildlife Federation.
—Arkansas Online, 6 Dec. 2025
Heating now comes from lower-emissions heat pumps, and the existing septic system has been replaced by an Innovative/Alternative (or IA) system designed to prevent excess nitrogen and other nutrients from entering the wastewater, which contributes to water-quality issues and harmful algae blooms.
—Hannah Walhout, Travel + Leisure, 4 Dec. 2025
Contaminated Water Recreational or drinking water gets contaminated when septic tanks leak into wells, when an infected person vomits or defecates in the water, or when wastewater isn’t treated properly to decontaminate it.
—Emily Kay Votruba, EverydayHealth.com, 2 Dec. 2025
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Noelle Phillips, Denver Post, 7 Dec. 2025
Lion Oil and Great Lakes Chemical, a nearby chemical plant, worked together to reuse 2 million gallons of wastewater each day instead of using aquifer water, an effort that earned the two companies the 2002 Corporate Conservationists of the Year Award from the Arkansas Wildlife Federation.
—Arkansas Online, 6 Dec. 2025
Heating now comes from lower-emissions heat pumps, and the existing septic system has been replaced by an Innovative/Alternative (or IA) system designed to prevent excess nitrogen and other nutrients from entering the wastewater, which contributes to water-quality issues and harmful algae blooms.
—Hannah Walhout, Travel + Leisure, 4 Dec. 2025
Contaminated Water Recreational or drinking water gets contaminated when septic tanks leak into wells, when an infected person vomits or defecates in the water, or when wastewater isn’t treated properly to decontaminate it.
—Emily Kay Votruba, EverydayHealth.com, 2 Dec. 2025
See All Example Sentences for wastewater
Cite this Entry
“Wastewater.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/wastewater. Accessed 13 Dec. 2025.
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