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L <br />When a variance, conditional use permit, or site plan review has the <br />potential to have indirect adverse impacts to the wetland a buffer may be <br />required; or <br />On any wetland when grading or construction is proposed exceeding 50 <br />cubic yards or 5,000 square feet that requires a City permit and the <br />proposed activity could potentially impact the quality of the wetland by <br />increasing hard surface run ofT, altering existing drainage, or impacting an <br />existing buffer. <br />DIVISION 2. <br />DESIGNATION OF PROTECTED WETLANDS <br />Sec. 78-1602 Wetland Types <br />The wetlands protected and regulated by this Section are types 1,2, 3,4, 5, 6,7, <br />and 8 wetlands, as defined in circular 39, “Wetlands of the United States”, 1971 edition. <br />United States Department of the Interior, unless the wetland is within a shoreland district <br />in which case the more restrictive rules regarding setbacks would apply. Protected <br />wetlands are further defined as follows: <br />Type I Seasonally Flooded Basins or Floodplains'. Type 1 wetlands are <br />seasonally flooded basins or flats in which soil is covered with water or is <br />waterlogged during variable seasonal periods but usually is well-drained <br />during much of the growing season. Type 1 wetlands are located in <br />depressions and in overflow bottom lands along water courses. Vegetation <br />varies greatly according to the season and duration of tlie flooding, and <br />includes bottom land hardwoods, as well as herbaceous plants. <br />Type 2 Inland Fresh Meadow. Occurs along the shallow edges of lakes, <br />marshes and floodplains, or in perched depressions. The soil is usually <br />without standing water during much of the growing season, but is <br />waterlogged within at least a few inches of the surface. Vegetation <br />includes grasses, sedges, rushes and various herbaceous plants. <br />Type 3 Inland Shallow Fresh Marsh'. Soil is usually water logged during <br />the growing season, often covered with as much as six inches or more of <br />water. Vegetation includes grasses, bu*'ushes, cattails, arrowheads, <br />smartweeds and other emergent aquatic vegetation. <br />Type 4 Inland Deep Fresh Marsh'. Soil covered with six inches to three <br />feet or more of water during growing season. Vegetation includes cattails, <br />reeds, bulrushes and wild rice. Open water areas may contain pondweeds, <br />naiads, coontail, water milfoils and other submergent aquatic vegetation.