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.
While water salinity isn't a major issue in most regulated urban water systems, Gupta said the concern mainly applies in coastal and low-lying regions where saltwater intrusion contaminates groundwater, increasing sodium concentrations in drinking water. Mira Miller, Verywell Health, 11 May 2026 Residents complaining about water pressure relied on wells, the county has said, while QTS does not draw water from wells or groundwater. Ashley Belanger, ArsTechnica, 11 May 2026 Florida’s WMDs are not managing our groundwater resources in compliance with state law. Robert Knight, The Orlando Sentinel, 8 May 2026 When groundwater runs through this rock, calcium and magnesium are dissolved into the water that makes its way through your treatment system before coming out your taps or faucets. Ashlyn Needham, Southern Living, 8 May 2026 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 15 May. 2026.

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

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