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.
Naperville has received millions of dollars in grant money from EPA to improve our wastewater treatment plant and to improve our infrastructure for water supply. Naperville Sun, Chicago Tribune, 7 Mar. 2025 Beyond carbon capture, Azolla’s potential extends to wastewater treatment and sustainable agriculture. Scott Travers, Forbes, 7 Mar. 2025 The city operates two large wastewater treatment plants that run 24 hours a day. Paul Rogers, The Mercury News, 4 Mar. 2025 One project, spearheaded by a staffer now on administrative leave, according to Ortiz, sought to relocate a wastewater treatment plant in Richwood, W.V., that has been basically inoperable since a 2016 flood. Alana Semuels, TIME, 25 Feb. 2025 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

Browse Nearby Words

Cite this Entry

“Wastewater.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/wastewater. Accessed 14 Mar. 2025.

More from Merriam-Webster on wastewater

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!