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NJ Ambient Groundwater Quality Monitoring Network, Radionuclides, 2020-2022 [New Jersey]

New Jersey Department of Environmental Protection's Bureau of GIS · 2020 Full Details

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Title
NJ Ambient Groundwater Quality Monitoring Network, Radionuclides, 2020-2022 [New Jersey]
Description
This update (2024) includes the radionuclides data from the 6th sampling cycle (2020-2022) of the New Jersey Ambient Groundwater Quality Monitoring Network (AGWQMN). Radioisotopes (radionuclides) are unstable isotopes of specific elements that emit radioactivity. Alpha particles are a type of ionizing radiation ejected by the nuclei of certain unstable atoms. These particles are essentially a helium nucleus having two protons and two neutrons. Most alpha emitters occur naturally in the environment. For example, the decay of naturally occurring uranium and thorium include many radioactive daughters that decay via alpha emission. Radionuclides are present in varying amounts in nearly all rocks, soils, and water. Human activity can also release radioactive substances into the environment. For this project, gross alpha and gross beta radoiactivity are measured in groundwater samples. The unit of measurement is picocuries per liter (pCi/L). New Jersey's AGWQMN is a cooperative program between the New Jersey Department of Environmental Protection (NJDEP) and United States Geological Survey (USGS). The goals of the current network are to determine the status and trends of shallow groundwater quality as a function of land use related to non-point source pollution in New Jersey. This network consists of 150 monitoring wells screened at the water table. Thirty of these wells were sampled per year on a 5 year cycle from 1999-2013. Beginning with the 4th sampling cycle in 2014, the sampling frequency was changed to once every 3 years (3-year cycle). This layer includes data from sampling cycle 6; samples were collected between 2020 and 2022. The New Jersey Geological and Water Survey (NJGWS) manages the network design, well installation, well maintenance, data interpretation, reporting, and a portion of the well sampling. The NJDEP Bureau of Fresh Water and Biological Monitoring and the United States Geological Survey (USGS) collect the remaining ground-water samples and the USGS National Water Quality Laboratory in Denver, Colorado or their contracted laboratories analyzes them. Chemical and physical parameters analyzed at each well include field parameters such as pH, specific conductance, dissolved oxygen, water temperature and alkalinity, major ions, trace elements (metals), gross-alpha particle activity (radionuclides), volatile organic compounds, nutrients, and pesticides.
Creator
NJDEP, NJGWS, Division of Water Supply and Geoscience, Bureau of Water Resources and Geoscience
Publisher
New Jersey Department of Environmental Protection's Bureau of GIS
Temporal Coverage
2020-2022
Date Issued
2025-01-24
Rights
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.
Access Rights
Public
Format
ArcGIS FeatureLayer
Language
English
Date Added
August 10, 2025
Provenance Statement
The metadata for this resource was last retrieved from New Jersey Department of Environmental Protection's (NJDEP) Bureau of GIS on 2025-08-24.

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Cite and Reference

  • Citation
    NJDEP, NJGWS, Division of Water Supply and Geoscience, Bureau of Water Resources and Geoscience (2025). NJ Ambient Groundwater Quality Monitoring Network, Radionuclides, 2020-2022 [New Jersey]. New Jersey Department of Environmental Protection's Bureau of GIS. https://gisdata-njdep.opendata.arcgis.com/datasets/njdep::nj-ambient-groundwater-quality-monitoring-network-radionuclides-2020-2022 (web service)
  • BTAA Geoportal Link

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