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New interactive web-viewer features USGS water-level data for unconfined aquifers within the NJ Coastal Plain

January 12, 2015

The USGS New Jersey Water Science Center announces the release of the NJ Coastal Plain Water-Table Mapper (  This online tool enables users of all skill levels to easily and quickly view and access water-level information for unconfined aquifers within the NJ Coastal Plain, and to download and import the water-level data into the software tools that they use.

The water-level information provides insight into the depth to water, altitude of the water table, and direction of groundwater flow within the unconfined-aquifer systems in New Jersey.  The Water-Table Mapper was developed in cooperation with the New Jersey Department of Environmental Protection to distribute hydrologic information that can help address regional environmental, water-resource management and planning, water availability, water use, and water quality questions.

The Water-Table Mapper displays water-level data and interpretations from nine-historical studies (1986-98) that focused on unconfined (surficial) aquifer systems of the NJ Coastal Plain. The supporting digital (GIS) data sets from these studies are being simultaneously released and include water-table contour maps and all corresponding groundwater/ surface-water level site information and measurements.  Links to the downloadable reports, metadata and digital data can be found on the surficial-aquifer studies webpage.

In addition, the Water-Table Mapper shows locations of supplementary unconfined aquifer water-level data that are available from USGS's National Water Information System database (NWIS), but were not a part of the surficial aquifer studies.  These data are in the form of daily water-level values (hydrograph) or intermittent measurements.

For more information please see the project webpage or contact:  Daryll Pope, Groundwater Specialist, 609-771-3933,


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