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Great Falls of the Passaic River at Paterson, N.J

Great Falls of the Passaic River at Paterson, N.J.

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Cumberland Co. Ground Water

Project Title: Cumberland Co. Ground Water
Project Number: LJ00DEB
Project Chief:
Project Start Date: 15-APR-2008
Project End Date: 30-SEP-2012

Project Objectives

The objectives of this proposed project are to:

  • Understand the nature of ground water-surface water interactions and the effects of the withdrawals from the Kirkwood-Cohansey aquifer system in the Lower Maurice and Cohansey river basins.
  • Understand the present use of both ground and surface water (including agricultural needs) in the basins and the likely increased future demand.
  • Develop a ground-water flow model having sufficient resolution to be used as a tool to predict effects on streamflow from pumpage in the Kirkwood-Cohansey aquifer system.
  • Collaborate with NJDEP, county and local stakeholders to develop several water management alternatives that can be used to demonstrate the potential effects of various water-management approaches. These alternatives will include an assessment of current full-allocation, an examination of the effect of variation in the location and withdrawal rates of significant users to minimize dry period stream depletion, and an assessment of the capability of the Piney Point aquifer to provide additional water supply.
  • Simulate and evaluate the possible hydrologic effects of the alternatives. These findings will be presented to NJDEP and stakeholders.
  • Prepare a report summarizing the projectís findings which will include hydrogeology, water use, ground-water flow model development and calibration, and the results of the simulation of water-management alternatives. All or portions of this report may be incorporated into a regional water-supply planning document to be prepared by NJDEP.
  • Archive the ground-water flow model at the completion of the project so that it is readily available for future use by USGS, NJDEP, and others.

Statement of Problem

Ground water is an important source of water supply and has a critical role in maintaining the health of aquatic freshwater and estuarine ecosystems in the Delaware Bay and Atlantic Coastal drainage basins of southeast New Jersey, including the Lower Maurice River and Cohansey Rive. In the coming years, the need for water supply is expected to grow and the priority of maintaining dependent ecosystems will continue. Supplying the increase in demand while maintaining adequate streamflow for aquatic habitats and protecting the long-term resource is the challenge that will require effective water resource management to ensure sustainability.

Strategy and Approach

The general approach to complete this project will be to initially collect specific hydrologic data relevant to understanding the relationship between surface and ground water in the study area. These data combined with data from network observation wells and gages, and available information on the hydrogeology and water use will be used to develop and calibrate a ground-water flow model. The flow model will then be used to evaluate the conditions and consequences of various water management schemes.

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Page Last Modified: Monday, 14-Jan-2013 11:09:29 EST