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
And the area to the south, where stormwater runs through more native plant filters before returning to the drains, will remain fenced off to visitors even after Phase 2 is complete.
—Jeanette Marantos, Los Angeles Times, 28 June 2025
His client is willing to rip out the lawn, replant wetland grasses, shrink the patio, move the kayak stand, improve stormwater drainage, and otherwise return the property to its former condition or better.
—Andrew Rice, Curbed, 26 June 2025
The legislation arose from a situation last October during Hurricane Milton when a Florida Highway Patrol trooper discovered a dog surrounded by rising stormwater.
—Noël Fletcher, Forbes.com, 25 June 2025
The improper discharge of wastewater used for washing eggs produced at the ranch resulted in the contamination of two nearby creeks and stormwater basins, water board staff reported.
—Regina Elling, San Diego Union-Tribune, 25 June 2025
See All Example Sentences for stormwater
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.
Jeanette Marantos, Los Angeles Times, 28 June 2025
His client is willing to rip out the lawn, replant wetland grasses, shrink the patio, move the kayak stand, improve stormwater drainage, and otherwise return the property to its former condition or better.
—Andrew Rice, Curbed, 26 June 2025
The legislation arose from a situation last October during Hurricane Milton when a Florida Highway Patrol trooper discovered a dog surrounded by rising stormwater.
—Noël Fletcher, Forbes.com, 25 June 2025
The improper discharge of wastewater used for washing eggs produced at the ranch resulted in the contamination of two nearby creeks and stormwater basins, water board staff reported.
—Regina Elling, San Diego Union-Tribune, 25 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 6 Jul. 2025.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
Share