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.
Cleaning out our stormwater systems, sidewalk repairs and lighting in District 8 need investment to ensure safety and quality of life for all residents. David Garrick, San Diego Union-Tribune, 7 May 2026 The city is currently designing its next 20‑year stormwater management plan and has posted a survey on its website for residents to share concerns and priorities. Bo Evans, CBS News, 1 May 2026 Eliana Brown, water quality and stormwater specialist with University of Illinois Extension and Illinois-Indiana Sea Grant, shares 10 favorite native plants that don’t mind life on the thirsty side. Erica Browne Grivas, Midwest Living, 1 May 2026 Another common problem is blocked sewer grates stopping stormwater from draining away from neighborhoods and roads. Dylan Lysen, Kansas City Star, 29 Apr. 2026 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 12 May. 2026.

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