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.
Instead of turning seven surrounding acres into a private golf course, for example, a run-of-the-mill, subsurface stormwater tank would have sufficed to meet stipulations that new developments cannot intensify flooding on neighboring properties. Denise Hruby updated July 13, Miami Herald, 13 July 2025 Most of Indianapolis' $27 million spring fiscal package will pay to shore up roads and improve stormwater systems. Jordan Smith, IndyStar, 8 July 2025 Additionally, more paved surfaces increase runoff and flawed assumptions of stationarity in stormwater engineering amplify floods. Marshall Shepherd, Forbes.com, 6 July 2025 Eastern Wyandotte County neighborhoods, streets, businesses and churches have previously been subjected to heavy stormwater flooding when storms move across the Kansas City metro. Sofi Zeman july 3, Kansas City Star, 3 July 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 21 Jul. 2025.

Last Updated: - Updated example sentences
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