stormwater

American  

[stawrm-waw-ter] / ˈstɔrmˌwɔ tər /

noun

stormwaters plural

1. excess surface water produced by heavy rain.

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adjective

1. relating to the excess surface water produced by heavy rain.

Other Word Forms

Derived Forms

• non-stormwater
  adjective

Inflected Forms

noun

• stormwaters
  plural

Example Sentences

“Commercial properties right now are not regulated under any stormwater permit,” said Sean Bothwell, executive director of California Coastkeeper Alliance.

From Los Angeles Times • Jun. 5, 2026

Now environmental advocates are pushing state regulators to crack down by requiring stormwater permits — essentially best practices — for businesses that haven’t been held accountable for their polluted runoff.

From Los Angeles Times • Jun. 5, 2026

It estimates the costs of more conservation and efficiency, more stormwater and groundwater cleaning, and more water recycling at $44 billion over two decades.

From Los Angeles Times • May 25, 2026

The uncertainty matters if you are planning, for example, stormwater infrastructure, and wondering what kind of storms to prepare for.

From The Wall Street Journal • Feb. 19, 2026

Far more is released by systems that combine stormwater after significant rain.

From The Wall Street Journal • Feb. 19, 2026