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
The Appeals Court on June 12 reversed a decision by Porter Superior Court that had upheld the stormwater board’s right to impose the $100,000 fine.
—Jim Woods, Chicago Tribune, 17 June 2025
If left unmaintained, vacant lots can contribute to water pollution through stormwater runoff carrying pollutants like sediment and debris, and often became invaded by non-native plant species, which can displace native vegetation and disrupt ecosystems.
—Stephen Underwood, Hartford Courant, 16 June 2025
In November, Hillsborough commissioners voted to hire an independent engineering firm, Black & Veatch, for $500,000 to investigate the county’s stormwater infrastructure, identify deficiencies, explore policy changes and make recommendations.
—Colleen Wright, The Orlando Sentinel, 10 June 2025
These easy-care rain garden plants will look gorgeous while helping to manage stormwater and support pollinators.
—Rita Pelczar, Better Homes & Gardens, 3 June 2025
See All Example Sentences for stormwater
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Jim Woods, Chicago Tribune, 17 June 2025
If left unmaintained, vacant lots can contribute to water pollution through stormwater runoff carrying pollutants like sediment and debris, and often became invaded by non-native plant species, which can displace native vegetation and disrupt ecosystems.
—Stephen Underwood, Hartford Courant, 16 June 2025
In November, Hillsborough commissioners voted to hire an independent engineering firm, Black & Veatch, for $500,000 to investigate the county’s stormwater infrastructure, identify deficiencies, explore policy changes and make recommendations.
—Colleen Wright, The Orlando Sentinel, 10 June 2025
These easy-care rain garden plants will look gorgeous while helping to manage stormwater and support pollinators.
—Rita Pelczar, Better Homes & Gardens, 3 June 2025
See All Example Sentences for stormwater
Cite this Entry
“Stormwater.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/stormwater. Accessed 29 Jun. 2025.
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