Storm Water Runoff. Causes, Harmful E ffects, and H ow to Prevent T hem. Runoff – What is it?. S uburban areas are covered with buildings and pavement The impermeable surfaces prevent water from infiltrating into the ground The water that does not infiltrate is called runoff
Causes, Harmful Effects, and How to Prevent Them
Natural landscapes with vegetation are able to filter water slowly into the ground
Forests and vegetation are especially helpful for limiting runoff in small flood events
Especially after a heavy rain/snow storm, the rain and melted snow carries all the pollutants like fertilizer, pesticides, and motor oil from the driveways, streets and lawns and deposits them directly into the Long Island Sound
Almost all pollutants left on streets or driveways will eventually end up in the Sound
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Important in Johnson County, Kansas." USGS: Science for Changing the World 2009: n. pag. GeoRef. Web. 21 Mar. 2012. <http://pubs.usgs.gov/fs/2009/3103/pdf/ FS2009-3103.pdf>.
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