Stormwater 101

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The Water Cycle

The water cycle is the continuous cycle of water movement on Earth. Learn more…


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What is Stormwater?

Stormwater is runoff water from rain or melting snow. It becomes polluted as it flows across developed areas. Learn more…


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What is a Watershed?

A watershed is the surrounding land area that drains into a stream. Watersheds cover the entire land surface of the earth. Learn more…


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Why is Stormwater a Problem?

Stormwater picks up and carries numerous pollutants into our waterways. Many of these pollutants can cause problems in very small amounts. Learn more…


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Impervious Surface Increases Runoff

Impervious surfaces are hard surfaces, such as sidewalks, streets, and rooftops, that don’t allow water to seep into the ground. Water that does not soak into the ground becomes runoff and travels to the nearest body of water. Learn more…