A GP 13 does not include any vehicular access to the lake or pond for dreding equipment, all dredge material must be disposed of in a non regulated are, and in some cases musty be tested for contaminants. In some instances a GP13 is issued in conjunction with a GP18 for dam repairs and the removal of sediment accumulated behind the dam. GP13-Lake Dredging - May be obtained if you are removing palustrine emergent (freshwater, non woody plant material) wetlands or State open water soils or sediments necessary to restore or maintain a lake, pond, resevoir to its original bottom contours. GP1-Maintenance and repair of existing features - May be obtained if you have are removing accumulated sediment from an exsiting stormwater managment basin that does not have a stream entering or exiting it and are only impacting freshwater wetlands or State open waters contained within the basin. Several FWW General Permits (GP) are available for these types of activities, depending upon what activities are being proposed. The dredging or removal of freshwater wetlands or State open water soils or sediments requires a Freshwater Wetlands (FWW) permit. Information on Tidelands can be found by selecting the " Tidelands" tab. For impacts to Freshwater Wetlands, see the "Freshwater Wetlands" tab. For impacts to special coastal areas, please see the " Coastal" tab. For impacts to streams, rivers, lakes, ponds, flood plains, flood ways, riparian zones, please see the " Flood Hazard" tab. The above tabs provide additional information on permit requirements relating to dredging. Therefore, it is important to closely examine a proposed project relative to the sensitive areas on site. Special areas can be rudimentarily determined using the Department’s online mapping service, NJ-GeoWeb. In some cases, dredging activities are regulated by the Department’s Office of Dredging and Sediment Technology and the Division of Land Use Regulation. Therefore, authorization(s) from both entities may be required.ĭredging may result in impacts to “special areas” that are regulated by the Department. Dredging is the removal of wetlands, State open water soils, or sediments through the use of mechanical, hydraulic, or pneumatic tools in an effort to restore or maintain original bottom contours of waterbodies.
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