University of Florida

What is Stormwater Runoff?

When it rains on our landscapes, some rainwater is absorbed by plants. But rain that hits impervious surfaces like driveways, sidewalks, or roads, can run off into storm drains and find its way into our water supply.

As it travels, stormwater can pick up any chemicals or nutrients found along its way. Excess nutrients in runoff can fuel algal blooms in Florida's lakes, rivers, and streams. These blooms smother the vegetation and deplete oxygen, killing fish.

You can be part of the solution: reduce stormwater runoff from your landscape by keeping rainwater on your property with a rain barrel or rain garden. Maintain your lawn and landscape properly, so they'll help filter stormwater runoff. And be sure to use pesticides and fertilizers responsibly.


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