Currently Known Extent of Groundwater Contamination (CKE) for New Jersey, Edition 20240131 (Envr_mon_gw_CKE)

Metadata:

• Identification_Information
• Data_Quality_Information
• Spatial_Data_Organization_Information
• Spatial_Reference_Information
• Entity_and_Attribute_Information
• Distribution_Information
• Metadata_Reference_Information

Identification_Information:

Citation:

Citation_Information:

Originator:

New Jersey Department of Environmental Protection (NJDEP), Site Remediation Program (SRP), Bureau of Information Systems (BIS)

Publication_Date: 20240131

Title:

Currently Known Extent of Groundwater Contamination (CKE) for New Jersey, Edition 20240131 (Envr_mon_gw_CKE)

Geospatial_Data_Presentation_Form: vector digital data

Publication_Information:

Publication_Place: Trenton

Publisher: NJ Department of Environmental Protection (NJDEP)

Online_Linkage: https://www.nj.gov/dep/gis

Online_Linkage: https://www.nj.gov/dep/gis/geowebsplash.htm

Description:

Abstract:

This data layer contains information about areas in the state which are specified as the Currently Known Extent (CKE) of ground water pollution. CKEs are geographically defined areas within which the local ground water resources are known to be compromised because the water quality exceeds drinking water and ground water quality standards for specific contaminants. Historically, a number of the CKEs have also been identified as Well Restriction Areas (WRAs). The regulatory authority for developing CKEs is in N.J.A.C. 7:1J, entitled Processing of Damage Claims Pursuant to the Spill Compensation and Control Act. CKEs are used by NJDEP staff, water purveyors, and local officials to make decisions concerning appropriate treatment and/or replacement of contaminated drinking water supplies. Additional guidance on the mapping of CKEs for potable well Immediate Environmental Concerns (IECs) can be found in Section 4.1.6. and Appendix A of the NJDEP Site Remediation Program IEC Guidance Document. The CKE areas, as shown, are intended to provide information to the public about contaminated ground water areas in the state. Unless precautionary measures are taken to protect potable users, well installation should be avoided. This information is being made available so informed decisions can be made on well location, design, or treatment before wells are proposed, permitted, and installed. The Department is currently engaged in the reassessment and investigation of existing CKEs; however, it is important to note that CKEs are approximations of the actual aerial extent of ground water contamination and the boundaries presented here may change over time as new information is developed and plume migration occurs. At this time, the records of the CKEs in this database application may include a list of the specific ground water contaminants where available. Also, it should be noted that CKE areas might overlap with other CKEs and Classification Exception Areas (CEAs). Revisions and additions will be used to update the CKE database as new information is received and processed. In this application, the CKE is represented as a GIS-based polygon coverage that depicts the spatial extent of known potable well contamination in an area (as determined by NJDEP Site Remediation staff). The CKE polygon will usually follow the property boundary lines of all the contiguous properties with contaminated wells when the wells are within 1,000 feet of each other. However, on properties larger than 3.5 acres the boundary of the CKE may be based on the location of the contaminated well and may not encompass the entire property. Also, in some areas contaminated wells may have been detected in proximity to an established CKE but have not been included within the boundary of the CKE because the well is outside the 1,000 foot radius. For further information contact NJDEPs Site Remediation Waste Management Program (SRWMP), Bureau of Environmental Management and Site Assessment (BEMSA), the lead program for CKE case oversight at (609) 530-2474. Be advised that CKEs have not been created for IECs where public supply wells that have been impacted by ground water contamination and a CKE has not yet been developed for all areas where a domestic potable well IEC exists.

Purpose:

The CKE polygon coverage was developed to provide information regarding the spatial extent of the Currently Known Extent of Groundwater Contamination (CKE) assocaited with domestic potable wells where contaminants were detected in excess of the USEPA drinking water Maximum Contaminant Level (MCL) or NJDEP Ground Water Quality Standards (GWQS). This data in its geographic format is intended to provide information to the public about contaminated ground water areas in the state for evaluation before a well is proposed and permitted and where potable well placement is restricted or should be avoided. If wells must be placed in these areas, the wells should be designed to eliminate the possibility of contamination migration to other areas of the aquifer.

Supplemental_Information:

NJDEP Site Remediation staff have determined the spatial extent for each CKE polygon. The CKE area is based on the results of GW analysis indicating that contamination is present in a residential or commercial establishment's potable well above the NJ Safe Drinking Water Standards. The CKE polygon edge will follow the property boundary line where the contaminated well was detected and is continuous with other property boundaries where wells were found to be compromised and are within 1,000 feet of each other. If a property with a contaminated well is greater than 3.5 acres the boundary of the CKE will bisect the property and continue on to the nearest property within 1,000'. The Department is engaged in reassessment and investigation of the existing CKEs, however it is important to note that CKEs areas are approximations of the actual aerial extent of GW contamination and the boundaries presented here will change over time as new information is developed and plume migration occurs. Contaminated wells may have been detected outside a 1,000 foot radius in the proximity of an established CKE but have not been included within the boundary of the CKE. At this time the record of the CKEs in this file may include a listing of the specific chemicals contaminating GW where available. It should be noted that CKE areas might overlap with other CKEs and Classification Exception Areas (CEAs). Revisions and additions will be used to update the CKE database as new information is received.

Time_Period_of_Content:

Time_Period_Information:

Single_Date/Time:

Calendar_Date: 20220215

Currentness_Reference: publication date

Status:

Progress: In work

Maintenance_and_Update_Frequency: As needed

Spatial_Domain:

Bounding_Coordinates:

West_Bounding_Coordinate: -75.562661

East_Bounding_Coordinate: -73.914848

North_Bounding_Coordinate: 41.35209

South_Bounding_Coordinate: 38.931107

Keywords:

Theme:

Theme_Keyword_Thesaurus: ISO 19115 Topic Category

Theme_Keyword: environment

Theme:

Theme_Keyword_Thesaurus: None

Theme_Keyword: Groundwater

Theme_Keyword: Contamination

Theme_Keyword: pollution

Theme_Keyword: plume

Theme_Keyword: well restriction

Theme_Keyword: aquifers

Theme_Keyword: contaminants

Theme_Keyword: human and environmental health

Theme_Keyword: oil spill

Theme_Keyword: pollution

Theme_Keyword: polygon

Theme_Keyword: well restriction area

Theme_Keyword: environment

Theme_Keyword: Envr_mon_gw_CKE

Theme_Keyword: cke

Theme_Keyword: GWIA

Theme_Keyword: gwia

Theme_Keyword: WRA

Theme_Keyword: wra

Theme_Keyword: IEC

Theme_Keyword: unknown source

Theme_Keyword: NJDEPTrentonMetadata

Theme_Keyword: NJDEP

Theme_Keyword: New Jersey

Access_Constraints: None

Use_Constraints:

New Jersey Department of Environmental Protection (NJDEP) Data Distribution Agreement. The data provided herein are distributed subject to the following conditions and restrictions: NJDEP assumes no responsibility to maintain them in any manner or form and disclaims any duty or obligation to either maintain availability of or to update the data. Terms of Agreement 1. All data is provided, as is, without any representation or warranty of any kind, implied, expressed or statutory including, but not limited to, the warranties of non-infringement of third party rights, title, merchantability or fitness for a particular use, freedom from computer virus nor are any such warranties to be implied with respect to the digital data layers furnished hereunder. User is responsible for understanding the accuracy limitations of all digital data layers provided herein, as documented in the accompanying cross-reference files (see SUPPLEMENTAL INFORMATION). Any reproduction or manipulation of the above data must ensure that the coordinate reference system remains intact. 2. Digital data received from the NJDEP may not be reproduced or redistributed without all the metadata provided. 3. Any maps, publications, reports, or other documents produced as a result of this project that utilize this digital data will credit the NJDEP's Geographic Information System (GIS) as the source of the data with the following credit/disclaimer: 'This (map/publication/report) was developed using New Jersey Department of Environmental Protection Geographic Information System digital data, but this secondary product has not been verified by NJDEP and is not state-authorized or endorsed.' 4. NJDEP makes no warranty that digital data are free of Copyright or Trademark claims or other restrictions or limitations on free use or display. Making a copy of this data may be subject to the copyright of trademark laws.

Point_of_Contact:

Contact_Information:

Contact_Organization_Primary:

Contact_Organization:

New Jersey Department of Environmental Protection (NJDEP), Site Remediation and Waste Management Program (SRWMP), Division of Enforcement, Technical & Financial Support (DETFS), Enforcement & Information Support Element (EISE), Bureau of Information Services (BIS)

Contact_Person: Joe Stefanoni

Contact_Position: Supervising Geographic Information Specialist

Contact_Address:

Address_Type: mailing and physical

Address: 401 East State Street, 401-06N

City: Trenton

State_or_Province: New Jersey

Postal_Code: 08625

Contact_Voice_Telephone: (609) 633-1405

Contact_Electronic_Mail_Address: joe.stefanoni@dep.nj.gov

Data_Quality_Information:

Attribute_Accuracy:

Attribute_Accuracy_Report:

The list of Currently Known Extent of GW contamination area polygons is a work in progress and the information contained within the record will be updated. The department will endeavor to include these updates in future reports. No other tests were run for attribute accuracy verification.

Logical_Consistency_Report:

The CKE layer was developed through comparison to NJDEP aerial imagery.

Completeness_Report: No omissions noted for this edition of the CKE.

Lineage:

Process_Step:

Process_Description:

Most CKEs in the initial CKE GIS layer were mapped based on a series of NJDEP Immediate Concern Unit (ICU) binders that contained pertinent information about each CKE including a hard copy map that indicated the CKE, well restirction area (WRA) or ground water impact area (GWIA) boundary. These initial boundaries were created without the use of a NJ State-Wide GIS parcel layer so may not line up with property bounderies contained in the New Jersey statewide parcel layer. The majority of the hitoric CKE boundaries were refined based on the parcel layer, however, to the extent possible. Georeferencing of an electronic copy the hard copy map was also conducted to aid in refining the original CKE boundaries. Additional CKEs for active potable well IECs were also mapped based on information obtained through Spill Fund Claim data, NJDEP file reviews and/or attachments associated with the potable well IEC found in NJEMS. Refinement of the CKE layer was needed since better means to map the CKE, WRA and GWIA boundaries in a GIS format now exist. In addition, CKEs were developed for active domestic well IECs cases and added to the GIS layer where possible.

Process_Date: 20180105

Process_Contact:

Contact_Information:

Contact_Organization_Primary:

Contact_Organization:

New Jersey Department of Environmental Protection (NJDEP), Site Remediation and Waste Management Program (SRWMP), Division of Enforcement, Technical & Financial Support (DETFS), Enforcement & Information Support Element (EISE), Bureau of Information Services (BIS)

Contact_Person: Joe Stefanoni

Contact_Position: Supervising Geographic Information Specialist

Contact_Address:

Address_Type: mailing and physical

Address: 401 East State Street, 401-06N

City: Trenton

State_or_Province: New Jersey

Postal_Code: 08625

Contact_Voice_Telephone: (609) 633-1405

Contact_Electronic_Mail_Address: joe.stefanoni@dep.nj.gov

Spatial_Data_Organization_Information:

Direct_Spatial_Reference_Method: Vector

Point_and_Vector_Object_Information:

SDTS_Terms_Description:

SDTS_Point_and_Vector_Object_Type: GT-polygon composed of chains

Point_and_Vector_Object_Count: 231

Spatial_Reference_Information:

Horizontal_Coordinate_System_Definition:

Planar:

Grid_Coordinate_System:

Grid_Coordinate_System_Name: State Plane Coordinate System 1983

State_Plane_Coordinate_System:

SPCS_Zone_Identifier: 2900

Entity_and_Attribute_Information:

Detailed_Description:

Entity_Type:

Entity_Type_Label: Envr_mon_gw_CKE

Entity_Type_Definition: Currently Known Extent of Groundwater Contamination

Entity_Type_Definition_Source: NJDEP/SRWMP

Attribute:

Attribute_Label: OBJECTID

Attribute_Definition: Unique internal feature number.

Attribute_Definition_Source: ESRI

Attribute_Domain_Values:

Unrepresentable_Domain:

Sequential unique whole numbers that are automatically generated.

Attribute:

Attribute_Label: PREF_ID_NUM (Alias: Pref ID Number)

Attribute_Definition: Internal NJEMS/Masterfile identifier at the case level

Attribute_Definition_Source: NJDEP

Attribute_Domain_Values:

Unrepresentable_Domain: Unique value

Attribute:

Attribute_Label: NAME (Alias: Name)

Attribute_Definition:

Aka for the CKE. This field (NAME) was repurposed and used to contain the CKE name aka as it can contains less characters than the NAME_AKA field.

Attribute_Definition_Source: NJDEP

Attribute_Domain_Values:

Unrepresentable_Domain: Unique value

Attribute:

Attribute_Label: NAME_AKA (Alias: Name Aka)

Attribute_Definition:

Name of the CKE. This field (NAME_AKA) was repurposed and used for the CKE name as it can contains more characters than the NAME field.

Attribute_Definition_Source: NJDEP

Attribute_Domain_Values:

Unrepresentable_Domain: Unique value

Attribute:

Attribute_Label: ADDRESS (Alias: Address)

Attribute_Definition: Street address or generalized address associated with the CKE

Attribute_Definition_Source: NJDEP

Attribute_Domain_Values:

Unrepresentable_Domain: Unique value

Attribute:

Attribute_Label: MUNICIPALITY (Alias: Municipality)

Attribute_Definition:

Municipality (or municipalities) within which the CKE is located.

Attribute_Definition_Source: NJDEP

Attribute_Domain_Values:

Unrepresentable_Domain: Unique value

Attribute:

Attribute_Label: COUNTY (Alias: County)

Attribute_Definition: County (or counties) within which the CKE is located.

Attribute_Definition_Source: NJDEP

Attribute_Domain_Values:

Unrepresentable_Domain: Unique value

Attribute:

Attribute_Label: IEC_STATUS (Alias: IEC Status)

Attribute_Definition:

This field was repurposed to indicate the status of the potable well IEC associated with the CKE when applicable.

Attribute_Definition_Source: NJDEP

Attribute_Domain_Values:

Enumerated_Domain:

Enumerated_Domain_Value: IP

Enumerated_Domain_Value_Definition: Potable Well IEC status is In Progress

Enumerated_Domain_Value_Definition_Source: NJDEP/SRWMP/BIS/GIS Unit

Enumerated_Domain:

Enumerated_Domain_Value: RA

Enumerated_Domain_Value_Definition: Potable Well IEC status is Receptor Addressed

Enumerated_Domain_Value_Definition_Source: NJDEP/SRWMP/BIS/GIS Unit

Enumerated_Domain:

Enumerated_Domain_Value: SRID

Enumerated_Domain_Value_Definition: The source of the potable well IEC has been identified

Enumerated_Domain_Value_Definition_Source: NJDEP/SRWMP/BIS/GIS Unit

Enumerated_Domain:

Enumerated_Domain_Value: C

Enumerated_Domain_Value_Definition: The status of the potable well IEC is completed.

Enumerated_Domain_Value_Definition_Source: NJDEP/SRWMP/BIS/GIS Unit

Enumerated_Domain:

Enumerated_Domain_Value: N/A

Enumerated_Domain_Value_Definition: Not applicable - no IEC subject item was created for this CKE

Enumerated_Domain_Value_Definition_Source: NJDEP/SRWMP/BIS/GIS Unit

Attribute:

Attribute_Label: IEC_SUBJECT_ITEM_ID (Alias: IEC Subject Item ID)

Attribute_Definition:

The subject item ID represents an internal NJEMS identifier associated with the active subject item associated with the active potable well IEC.

Attribute_Definition_Source: NJDEP

Attribute_Domain_Values:

Unrepresentable_Domain: Unique value

Attribute:

Attribute_Label: START_DATE (Alias: Start Date)

Attribute_Definition:

Date CKE was approved by NJDEP or potable well IEC case was initiated when the CKE approval date is not known.

Attribute_Definition_Source: NJDEP

Attribute_Domain_Values:

Unrepresentable_Domain: Unique value

Attribute:

Attribute_Label: CKE_SOURCE_INFO (Alias: CKE Source Info)

Attribute_Definition:

This field was repurposed to indicate the source of the information that was used to map the CKE boundary.

Attribute_Definition_Source: NJDEP

Attribute_Domain_Values:

Unrepresentable_Domain: Unique value

Attribute:

Attribute_Label: CEA_IN_PLACE (Alias: CEA In Place)

Attribute_Definition:

This field was repurposed to indicate whether a CEA has been developed for the site(s) identified as the source(s) of the contamination associated with the CKE.

Attribute_Definition_Source: NJDEP

Attribute_Domain_Values:

Enumerated_Domain:

Enumerated_Domain_Value: Yes

Enumerated_Domain_Value_Definition:

A CEA exists for the source(s) of the contamination associated with the CKE.

Enumerated_Domain_Value_Definition_Source: NJDEP/SRWMP

Enumerated_Domain:

Enumerated_Domain_Value: No

Enumerated_Domain_Value_Definition:

A CEA does not exist for the source(s) of the contamination associated with the CKE.

Enumerated_Domain_Value_Definition_Source: NJDEP/SRWMP

Attribute:

Attribute_Label: VOCS (Alias: VOCs)

Attribute_Definition:

A listing of the Volatile Organic Compounds associated with a CKE.

Attribute_Definition_Source: NJDEP

Attribute_Domain_Values:

Unrepresentable_Domain: Unique value

Attribute:

Attribute_Label: SVOCS (Alias: SVOCs)

Attribute_Definition:

A listing of the Semi-Volatile Organic Compounds associated with a CKE.

Attribute_Definition_Source: NJDEP

Attribute_Domain_Values:

Unrepresentable_Domain: Unique value

Attribute:

Attribute_Label: METALS (Alias: Metals)

Attribute_Definition: A listing of the metal contaminants associated with a CKE.

Attribute_Definition_Source: NJDEP

Attribute_Domain_Values:

Unrepresentable_Domain: Unique value

Attribute:

Attribute_Label: PEST_PCBS (Alias: Pesticides/PCBs)

Attribute_Definition:

A listing of the Pesticides and/or polychlorinated biphenols (PCBS) contaminants associated with a CKE.

Attribute_Definition_Source: NJDEP

Attribute_Domain_Values:

Unrepresentable_Domain: Unique value

Attribute:

Attribute_Label: RADIOLOGICAL (Alias: Radiological)

Attribute_Definition:

A listing of the radiological contaminants associated with a CKE.

Attribute_Definition_Source: NJDEP

Attribute_Domain_Values:

Unrepresentable_Domain: Unique value

Attribute:

Attribute_Label: OTHER (Alias: Other)

Attribute_Definition:

'Catch-all' for anything not fitting in the other contaminant categories.

Attribute_Definition_Source: NJDEP

Attribute_Domain_Values:

Unrepresentable_Domain: Unique value

Attribute:

Attribute_Label: CKE_BOUNDARY_ORIGIN (Alias: CKE Boundary Origin)

Attribute_Definition:

This field was repurposed to indicate the source of the information that was used to map the CKE boundary.

Attribute_Definition_Source: NJDEP

Attribute_Domain_Values:

Unrepresentable_Domain: Unique value

Attribute:

Attribute_Label: PI_ID (Alias: PI ID)

Attribute_Definition: Internal NJEMS/Masterfile case identifier

Attribute_Definition_Source: NJDEP

Attribute_Domain_Values:

Unrepresentable_Domain: Unique value

Attribute:

Attribute_Label: ACRES (Alias: Acres)

Attribute_Definition:

This field was repurposed to indicate the total acreage associated with a CKE boundary.

Attribute_Definition_Source: NJDEP

Attribute_Domain_Values:

Unrepresentable_Domain: Unique value

Attribute:

Attribute_Label: SHAPE

Attribute_Definition: Feature geometry.

Attribute_Definition_Source: ESRI

Attribute_Domain_Values:

Unrepresentable_Domain: Coordinates defining the features.

Attribute:

Attribute_Label: SHAPE.AREA

Attribute_Definition: SHAPE AREA

Attribute_Definition_Source: ESRI

Attribute_Domain_Values:

Unrepresentable_Domain: UNIQUE

Attribute:

Attribute_Label: SHAPE.LEN

Attribute_Definition: SHAPE LENGTH

Attribute_Definition_Source: ESRI

Attribute_Domain_Values:

Unrepresentable_Domain: UNIQUE

Distribution_Information:

Distributor:

Contact_Information:

Contact_Organization_Primary:

Contact_Organization: NJDEP/DOIT/Bureau of GIS

Contact_Person: GIS Help Desk

Contact_Address:

Address_Type: mailing and physical

Address: 401 East State Street

City: Trenton

State_or_Province: NJ

Postal_Code: 08625

Contact_Voice_Telephone: (609) 777-0672

Contact_Facsimile_Telephone: (609) 292-7900

Contact_Electronic_Mail_Address: gisnet@dep.nj.gov

Resource_Description: Downloadable Data

Distribution_Liability: See access and use constraints information.

Standard_Order_Process:

Digital_Form:

Digital_Transfer_Information:

Format_Name:

DEP distributes ESRI .SHP and/or GDB. Some data may be NJ GeoWeb "display only" layers.

Format_Version_Number: latest version

File_Decompression_Technique: WinZip

Digital_Transfer_Option:

Online_Option:

Computer_Contact_Information:

Network_Address:

Network_Resource_Name: https://www.nj.gov/dep/gis/geowebsplash.htm

Computer_Contact_Information:

Network_Address:

Network_Resource_Name: https://www.nj.gov/dep/gis

Fees: None

Ordering_Instructions:

All available NJDEP public GIS data can be downloaded for free. Some data shown in NJGeoWeb application may not yet be available for download due to various data or distribution issues. Please email gisnet@dep.nj.gov with any data distribution questions.

Metadata_Reference_Information:

Metadata_Date: 20240131

Metadata_Contact:

Contact_Information:

Contact_Organization_Primary:

Contact_Organization:

New Jersey Department of Environmental Protection (NJDEP), Site Remediation and Waste Management Program (SRWMP), Division of Enforcement, Technical & Financial Support (DETFS), Enforcement & Information Support Element (EISE), Bureau of Information Services (BIS)

Contact_Person: Joe Stefanoni

Contact_Position: Supervising Geographic Information Specialist

Contact_Address:

Address_Type: mailing and physical

Address: 401 East State Street, 401-06N

City: Trenton

State_or_Province: New Jersey

Postal_Code: 08625

Contact_Voice_Telephone: (609) 633-1405

Contact_Electronic_Mail_Address: joe.stefanoni@dep.nj.gov

Metadata_Standard_Name: FGDC Content Standard for Digital Geospatial Metadata

Metadata_Standard_Version: FGDC-STD-001-1998

Metadata_Time_Convention: local time