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Rain gardens can reduce polluting water runoff

By Kim Perry

POSTED: 01:30 a.m. HST, Nov 04, 2013

~~<p>The rainy season is upon us, and often when it rains, it pours. Heavy rains can turn your landscape into a soggy, muddy mess and lead to more serious environmental problems such as flooding, erosion and water pollution. In fact, storm water runoff is the greatest source of pollution of Hawaii's streams and coastal waters.</p>
<p>Storm water runoff is created when rainwater flows over land and impermeable surfaces, such as rooftops, roads, driveways, sidewalks and parking lots, rather than seeping naturally into the soil. As the runoff washes across the landscape, it picks up contaminants, including fertilizers and pesticides, exposed soil particles, motor oil, solvents and other pollutants, and carries them into storm drains, which feed directly into streams and the ocean, where they pose a risk to people and aquatic life.</p>
~~

The rainy season is upon us, and often when it rains, it pours. Heavy rains can turn your landscape into a soggy, muddy mess and lead to more serious environmental problems such as flooding, erosion and water pollution. In fact, storm water runoff is the greatest source of pollution of Hawaii's streams and coastal waters.

Storm water runoff is created when rainwater flows over land and impermeable surfaces, such as rooftops, roads, driveways, sidewalks and parking lots, rather than seeping naturally into the soil. As the runoff washes across the landscape, it picks up contaminants, including fertilizers and pesticides, exposed soil particles, motor oil, solvents and other pollutants, and carries them into storm drains, which feed directly into streams and the ocean, where they pose a risk to people and aquatic life. Login for more...



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