groundwater

noun

ground·​wa·​ter ˈgrau̇nd-ˌwȯ-tər How to pronounce groundwater (audio)
-ˌwä-
: water within the earth especially that supplies wells and springs

Examples of groundwater in a Sentence

There were concerns about contaminated groundwater.
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.
In September, Nevada’s Bureau of Water Pollution Control fined the company nearly $250,000 for violating environmental regulations nearly 800 times in the last two years, including for spilling untreated groundwater onto public roads and not reporting it to authorities, ProPublica first reported. Dave Smith, Fortune, 8 Nov. 2025 Whether through rain, irrigation, or merely watering the lawn, residues are conveyed to the soil, which will eventually reach groundwater. Malana Vantyler, USA Today, 6 Nov. 2025 To keep Desert Hills wet, Cave Creek now transports about 20% of its Colorado River water to the neighboring development, and that number has been growing as Desert Hills loses groundwater. Austin Corona, AZCentral.com, 6 Nov. 2025 Then, weeks after they were buried, the soft parts of the carcasses decayed and were washed away by groundwater, leaving the clay mask to forever preserve the forms of what lay just beneath, Sereno says. Andrea Tamayo, Scientific American, 23 Oct. 2025 See All Example Sentences for groundwater

Word History

First Known Use

circa 1889, in the meaning defined above

Time Traveler
The first known use of groundwater was circa 1889

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Cite this Entry

“Groundwater.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/groundwater. Accessed 11 Nov. 2025.

Kids Definition

groundwater

noun
ground·​wa·​ter ˈgrau̇n-ˌdwȯt-ər How to pronounce groundwater (audio)
-ˌdwät-
: water within the earth that supplies wells and springs

More from Merriam-Webster on groundwater

Last Updated: - Updated example sentences
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