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stormwater

noun

storm·​wa·​ter ˈstȯrm-ˌwȯ-tər How to pronounce stormwater (audio)
-ˌwä-
: rainwater produced by a storm
a stormwater management system
As stormwater runs over lawns, streets and other man-made surfaces, it picks up pollutants—phosphorous and nitrogen from fertilizers, bacteria from pet waste and road salt, to name a few—and carries them into local streams and lakes.Delen Goldberg
This rainfall "of biblical proportions," as the local newspaper described it, swamped the city in waist-high stormwater.Christopher Cooper and Robert Block

Examples of stormwater 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.
On a natural barrier island, rain and stormwater would drain into surrounding waters or slowly trickle into the ground. Denise Hruby, Miami Herald, 1 Dec. 2025 But crucial to the redevelopment are infrastructure costs, including less-sexy elements like water, stormwater and sewer systems that are in need of improvements alongside work on sidewalks, parking, lighting, outdoor gathering space and the like. Chris Higgins, Kansas City Star, 26 Nov. 2025 The roughly 51-mile channel continues to serve as a hydro-highway shuttling stormwater runoff from the mountains to the sea. Emma Bowman, NPR, 17 Nov. 2025 Most of it was focused on higher-profile projects — namely the substantial regrading of City Park Golf Course to create stormwater detention areas — and the program’s side benefits for the then-upcoming Interstate 70 project to the north. Jon Murray, Denver Post, 17 Nov. 2025 See All Example Sentences for stormwater

Word History

First Known Use

1848, in the meaning defined above

Time Traveler
The first known use of stormwater was in 1848

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Cite this Entry

“Stormwater.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/stormwater. Accessed 5 Dec. 2025.

Last Updated: - Updated example sentences
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