stormwater

noun storm·wa·ter \ ˈstȯrm-ˌwȯ-tər , -ˌwä- \
|Updated on: 12 Jun 2018

Definition of stormwater

: 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

First Known Use of stormwater

1848

in the meaning defined above

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