Description: The Tidelands claims line for New Jersey depicts natural waterways now or formerly tide-flowed at mean high water. Since the mean high water line may change because of rises in sea level, the line does not represent the current mean high water line. Rather it depicts the mean high water line at the time of mapping and the historic mean high water line predating artificial alterations. Note: Users of this combined statewide tidelands layer are cautioned that this layer is to be used as a reference layer only. Only the actual promulgated tidelands maps, at the production scale of 1:2400, can be used to locate the legally valid tidelands riparian claim line.
Name: Surface Water Quality Standards Proposed Changes For 2019 (DRAFT)
Display Field: NAMECK
Type: Feature Layer
Geometry Type: esriGeometryPolyline
Description: This data is a digital representation of New Jersey's Surface Water Quality Standards PROPOSED CHANGES FOR 2019 in accordance with "Surface Water Quality Standards for New Jersey Waters" as designated in N.J.A.C. 7:9 B. The Surface Water Quality Standards (SWQS) establish the designated uses to be achieved and specify the water quality (criteria) necessary to protect the State's waters. Designated uses include potable water, propagation of fish and wildlife, recreation, agricultural and industrial supplies, and navigation. These are reflected in use classifications assigned to specific waters. The line-work has been broken/altered to reflect the descriptions specified at N.J.A.C. 7:9B-1.15. When interpreting the stream classifications and anti-degradation designations, the descriptions specified in the SWQS at N.J.A.C. 7:9B-1.15 always take precedence. The GIS layer reflects the PROPOSED stream classifications and anti-degradation designations PROPOSED as of March 4, 2019 is supplemental only and is not legally binding. THIS LAYER IS A DRAFT.
Copyright Text: NJ Department of Environmental Protection (NJDEP), Water Monitoring & Standards (WMS), Bureau of Freshwater and Biological Monitoring (BFBM)
Description: NOTE: This metadata file contains Draft information for Flowlines delineated for NJ from 2002 color infrared (CIR) imagery with attributes extracted from the National Hydrography Dataset (NHD). Digitizing of this data was initially done by Aerial Information Systems, Inc., Redlands, CA, under direction of the New Jersey Department of Environmental Protection (NJDEP), Bureau of Geographic Information System (BGIS). Conflation of USGS 1:24,000 High resolution NHD attributes was done by Data Enhancement Services, LLC (DES) partnered with Civil Solutions. This statewide conflation of NHD High resolution information was completed in 2010. All QA/QC was done by NJDEP, Bureau of GIS and USGS. This represents a subset of the statewide extract for NJ dated August 25, 2015.
Description: NOTE: This metadata file contains Draft information for Waterbody features delineated for NJ from 2015 color imagery with attributes extracted from the National Hydrography Dataset (NHD). Digitizing of this data was initially done by Aerial Information Systems, Inc., Redlands, CA, under direction of the New Jersey Department of Environmental Protection (NJDEP), Bureau of Geographic Information System (BGIS). Conflation of USGS 1:24,000 High resolution NHD attributes has not been done was done. This statewide conflation of NHD High resolution information was completed in 2019. All QA/QC was done by NJDEP, Bureau of GIS and USGS. This represents a subset of the statewide extract for NJ dated August 25, 2015.
Color: [0, 92, 230, 255] Background Color: N/A Outline Color: N/A Vertical Alignment: baseline Horizontal Alignment: left Right to Left: false Angle: 0 XOffset: 0 YOffset: 0 Size: 11 Font Family: Times New Roman Font Style: italic Font Weight: bold Font Decoration: none
Description: The Flood Profile polyline feature class was created based upon the NJ State Flood Study’s separate 11x17 inch profiles. The feature class segments approximate the extent of each 11x17 inch profile. The NJ State Flood Study combined plan & profiles were intentionally not captured in this feature class.
The flood profiles were created to support NJFHADF Flood Hazard Area delineation. The profiles provide authoritative data of the New Jersey Flood Hazard Area Design Flood. The data is intended for use by design engineers who need to address encroachment regulations to comply with NJ Land Use regulations.
Description: A spring is any natural discharge of water from rock or soil onto the surface of the land. Specifically, springs are places where subsurface water comes to the surface from the ground and flows or where it lies in pools that are continually replenished from below. Thus, a spring is a site where the aquifer surface meets the ground surface. The water source for a spring can vary. Some springs are fed by shallow groundwater seepage out of the soil, while others are fed by deep aquifer water discharged under artesian pressure. These differences influence the hydrology and the water chemistry of springs. They range in size from intermittent seeps, which flow only after a great deal of rain, to huge spring pools with tens of thousands of gallons flowing daily. Springs may be permanent, (perennial) that flow throughout the year or ephemeral, (intermittent or temporary), that flow only during or after rain. Where evaporation is high, the flow of springs can decrease or cease during the warm season. The amount of water that flows from springs depends on many factors including: the size of the caverns (or porosity) within the rocks, the water pressure in the aquifer, the size of the spring basin, and the amount of rainfall. Human activities can also influence the volume of water that discharges from a spring. Ground-water withdrawals in an area can reduce the pressure in an aquifer, causing water levels in the aquifer system to drop and ultimately decreasing the flow from the spring. In some cases, springs have completely disappeared over time due to water withdrawal from urbanization. It is thought that half of all the springs in the United States have dried up since settlement of the country began. New Jersey has many examples of springs which once flowed but do not exist anymore.
Name: Category One (C1) Waters Designations Since 2003
Display Field: TITLE
Type: Feature Layer
Geometry Type: esriGeometryPoint
Description: This layer shows all Category One (C1) designations based on the Exceptional Water Supply Significance (EWSS), Exceptional Fisheries Resource(s) (EFR), and Exceptional Ecological Significance (EES) definitions established in the Surface Water Quality Standards at N.J.A.C. 7:9B in 2003. The attributes contained in each point provide information on the exceptional significance each C1 segment was designated for, the waterbody name, classification, description of the C1 segment, the scientific basis used for designation, and the date of adoption into the SWQS. This interactive map is intended to be used as a supplemental tool for information purposes only, and is not legally binding. When interpreting the SWQS, the written standards found in the SWQS rules (N.J.A.C 7:9B) always take precedence. For specific information regarding tributaries to C1 waters impacted by this rule, please contact NJDEP at 609-633-1441. Note that this map does not pinpoint the specific habitat of threatened and endangered species in the State. For information on threatened and endangered species reported habitat, please consult the Division of Fish and Wildlife's Landscape Project.
Copyright Text: NJ Department of Environmental Protection (NJDEP), Water Monitoring & Standards (WMS), Bureau of Freshwater and Biological Monitoring (BFBM)
Description: An approximate delineation resulting from an additional 5 foot flood water height added to the FEMA coastal Special Flood Hazard Area (SFHA) in the New Jersey counties of Atlantic, Bergen, Burlington, Camden, Cape May, Cumberland, Essex, Hudson, Mercer, Middlesex, Monmouth, Ocean, Salem and Union. This delineation was created to support the DEP Watershed and Land Management Program, NJPACT rules creation. This layer was created from the FEMA preliminary coastal studies released between 12/01/2013 to 12/31/2016.