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Impervious surfaces are areas covered by buildings, asphalt, concrete, or other materials that prevent water from seeping directly into the ground. When it rains, much of the water flows to streams and lakes, becoming stormwater runoff.
The more buildings, streets, and parking lots we build, the more surface stormwater runoff is generated during each rainstorm.
Best Management Practices
Ways that we can help clean up stormwater runoff is to direct it through stormwater ponds, treatment wetlands, and other types of systems knows as Best Management Practices (BMPs). Pollutants may either settle out, be filtered through the pond bottom, or be taken up by the wetland plants that surround these ponds.
Pollution Control Devices
Additionally, stormwater runoff can be enhanced by retrofitting existing stormwater structures with devices that act as filters to stop trash, leaves, sediment, and debris from entering our water bodies.
For example, a curb inlet basket can be installed in existing stormwater inlets. One basket can collect over 200 pounds of leaves, sediment, and trash every year!
Storm drains and sewers are words often used interchangeably, but they are not the same thing. A storm drain usually is constructed as part of a curb to catch excess water runoff from roads to prevent flooding. The storm drain is part of a drainage system that carries that water, untreated, to a nearby source of water.
A sewer, on the other hand, carries sewage from homes and businesses that comes from kitchens, bathrooms, or washing machines. Some water in the sewage system might also come from rain that drains through manhole covers. The sewage carried through a sewer system does get treated at a treatment facility to limit water pollution as much as possible.
There are a few ways you can control stormwater runoff on your lawn. A professional landscaper trained in stormwater management can help you find the best methods of management for the layout and slope of your yard.
A few ways stormwater can be managed in a yard to prevent flooding that can damage gardens, homes, and more, include:
Most canals are maintained by the Central Broward Water Control District (CBWCD). To learn more, call 954-432-5110.