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High Quality Content by WIKIPEDIA articles! A storm drain, storm sewer (U.S.), stormwater drain, drain (Australia and New Zealand) or drainage well system (UK) is designed to drain excess rain and ground water from paved streets, parking lots, sidewalks, and roofs. Storm drains vary in design from small residential dry wells to large municipal systems. They are fed by street gutters on most motorways, freeways and other busy roads, as well as towns in areas which experience heavy rainfall, flooding and coastal towns which experience regular storms.Most storm sewers are provided with gratings…mehr

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High Quality Content by WIKIPEDIA articles! A storm drain, storm sewer (U.S.), stormwater drain, drain (Australia and New Zealand) or drainage well system (UK) is designed to drain excess rain and ground water from paved streets, parking lots, sidewalks, and roofs. Storm drains vary in design from small residential dry wells to large municipal systems. They are fed by street gutters on most motorways, freeways and other busy roads, as well as towns in areas which experience heavy rainfall, flooding and coastal towns which experience regular storms.Most storm sewers are provided with gratings or grids to prevent large objects from falling into the sewer system. However, their bars are fairly widely spaced so that the flow of water is not impeded. Consequently, many small objects can fall through.