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The Groundwater Monitoring Network was established in 1983. It is a cooperative program under the direction of NJDEP and USGS. The original objective of the program was to determine the spatial variation of water quality as a function of rock type. In 1999 a redesigned ground water network focused on evaluating the status and trends in shallow ground water as a function of land use and determining ground water impacts on surface water quality.<\/p>\n
The redesigned Network includes 150 shallow wells, selected to represent specific land uses. Sixty wells are located in urban \/ suburban areas, sixty wells are located in agricultural areas and thirty wells are located in undeveloped areas. Fifty network wells are sampled annually, the entire network being sampled once every 3 years. New Jersey Geological Survey<\/a> designed the network, maintains the wells, provides data interpretation and assessment reports. The Bureau of Freshwater and Biological Monitoring, the USGS<\/a> New Jersey Water Science Center and the New Jersey Geological Survey participate annually in well monitoring. Network parameters include: field parameters, major ions, metals, gross-alpha, VOC’s and pesticides. Network data is available from the USGS computerized data system, NWISWeb<\/a> (National Water Information System), NWQMC (National Water Quality Monitoring Council) Water Quality Portal<\/a>, NJDEP iMapNJ<\/a>, New Jersey Geological Survey geodata download, and by contacting the New Jersey Geological Survey directly. Ground Water Monitoring data interpretation is available through the New Jersey Geological Survey Information Circular<\/a> <\/i> on the Network.<\/p>\n