stormwater
noun
storm·wa·ter
ˈstȯrm-ˌwȯ-tər 
-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
Delen GoldbergThis rainfall "of biblical proportions," as the local newspaper described it, swamped the city in waist-high stormwater.—Christopher Cooper and Robert Block
Christopher Cooper and Robert BlockExamples of stormwater in a Sentence
Recent Examples on the Web
Staff surveyed infrastructure like roads, stormwater systems and transportation connections and reviewed zoning.
—Bridget Fogarty, jsonline.com, 27 Feb. 2026
Ponding in the development will serve as stormwater storage as well as a supply of water for the lawn-sprinkling system, according to the application.
—Mary Divine, Twin Cities, 26 Feb. 2026
Parker Mayor Joshua Rivero has urged Castle Pines to deny the annexation, worried about the impact on Parker's roads, stormwater and amenities.
—Olivia Young, CBS News, 25 Feb. 2026
After tallying wastewater and stormwater system needs listed by communities and states for the next 20 years, the EPA concluded the total needed to upgrade wastewater systems exceeded $300 billion over the next 20 years.
—Dinah Voyles Pulver, USA Today, 22 Feb. 2026
See All Example Sentences for stormwater
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Bridget Fogarty, jsonline.com, 27 Feb. 2026
Ponding in the development will serve as stormwater storage as well as a supply of water for the lawn-sprinkling system, according to the application.
—Mary Divine, Twin Cities, 26 Feb. 2026
Parker Mayor Joshua Rivero has urged Castle Pines to deny the annexation, worried about the impact on Parker's roads, stormwater and amenities.
—Olivia Young, CBS News, 25 Feb. 2026
After tallying wastewater and stormwater system needs listed by communities and states for the next 20 years, the EPA concluded the total needed to upgrade wastewater systems exceeded $300 billion over the next 20 years.
—Dinah Voyles Pulver, USA Today, 22 Feb. 2026
See All Example Sentences for stormwater
Cite this Entry
“Stormwater.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/stormwater. Accessed 3 Mar. 2026.
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