When it rains, water falls on the ground. If that ground is covered with pavement or buildings, or any other impervious (nonporous) surface the water runs off of the surface and into our curbs, down our storm drains and ends up in our local waterways. Runoff can even occur on previous surfaces when the rainfall is heavy, or the area is sloped and there is nothing to slow the flow of water over the land and into the streets.
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You can help keep our lakes, rivers, streams, wetlands, and groundwater clean by applying the following tips.
Many people think storm drains connect into the City’s sewage system and that everything placed in the drain will end up at wastewater plants for treatment. In actuality, storm drains lead to local waterways. Here in Aventura, almost all storm drains eventually drain to either the Intracoastal or fresh water aquafer. Debris and contaminants can enter the storm drain system by way of stormwater runoff.
Runoff carries pollutants such as nutrients, oil, dirt, trash, metals, chemicals, and fertilizers into local waterways.
According to the EPA, "a typical city block generates more than 5 times more runoff than a woodland area of the same size." Not only is there more runoff from developed areas, but there is also a significant increase in both the amount and variety of pollutants in that runoff.
To minimize the runoff from your home or business:
To learn more about green techniques to minimize the impact of stormwater runoff on waterways, visit the EPA's Urban Runoff website.