ground·​wa·​ter | \ ˈgrau̇nd-ˌwȯ-tər How to pronounce groundwater (audio) , -ˌwä- \

Definition of groundwater

: 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 The steam vents are near the summit of Kilauea and occurs when groundwater gets vaporized by rocks that are heated by the magma deep underground. Kathleen Wong, USA TODAY, 22 Sep. 2022 Water resources: What do shark teeth have to do with Indiana's groundwater? Sarah Bowman, The Indianapolis Star, 16 Sep. 2022 As farmers fallow more land in California’s Central Valley — due to drought and groundwater regulations — more dust could be kicked up, polluting low-income communities of color that already suffer from some of the nation’s worst air quality. Sammy Rothstaff Writer, Los Angeles Times, 15 Sep. 2022 The remainder comes from a local groundwater aquifer, which was historically overused. The Salt Lake Tribune, 15 Sep. 2022 To build, the study said, the county would need to maintain a clean soil cap, install a vapor barrier under the jail and limit any exposure to groundwater. Courtney Astolfi, cleveland, 13 Sep. 2022 Navajos made do with groundwater pumped by windmills, and did not build their homes next to each other., 6 Sep. 2022 According to the Water Authority, only 10% of its water comes from local groundwater. Stephanie Elam, CNN, 5 Sep. 2022 Wilmington’s water source is groundwater, which is pumped from four wells, according to the town’s website., 9 Sep. 2022 See More

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'groundwater.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of groundwater

circa 1889, in the meaning defined above

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Time Traveler for groundwater

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The first known use of groundwater was circa 1889

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Dictionary Entries Near groundwater



groundwater level

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Statistics for groundwater

Last Updated

27 Sep 2022

Cite this Entry

“Groundwater.” Dictionary, Merriam-Webster, Accessed 29 Sep. 2022.

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More from Merriam-Webster on groundwater

Nglish: Translation of groundwater for Spanish Speakers Encyclopedia article about groundwater


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