Wetlands generally include swamps, bogs, fens, marshes, wooded wetlands, ponds, streams, wet meadows and similar natural areas that remain wet for most of the year. These areas help remove pollutants from stormwater, control floods, regenerate groundwater, and provide habitat for plants and animals, so they are protected by federal regulations per the Clean Water Act and the DuPage County Stormwater and Floodplain Ordinance.
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