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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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USGS Water Science Centers are located in each state.

There is a USGS Water Science Center office in each State. Washington Oregon California Idaho Nevada Montana Wyoming Utah Colorado Arizona New Mexico North Dakota South Dakota Nebraska Kansas Oklahoma Texas Minnesota Iowa Missouri Arkansas Louisiana Wisconsin Illinois Mississippi Michigan Indiana Ohio Kentucky Tennessee Alabama Pennsylvania West Virginia Georgia Florida Caribbean Alaska Hawaii New York Vermont New Hampshire Maine Massachusetts South Carolina North Carolina Rhode Island Virginia Connecticut New Jersey Maryland-Delaware-D.C.

Long Island-New Jersey study unit investigation of the National Water-Quality Assessment

Project Title: NJ140 Long Island-New Jersey study unit investigation of the National Water-Quality Assessment
Project Number: 9BI44
Project Chief:
Project Start Date: 01-OCT-1993
Project End Date:

Project Objectives

  1. Determine current water-quality conditions (status) in the LINJ study unit.
  2. Over time, identify any trends in observed water-quality conditions.
  3. Determine, to the extent possible, the causes of the observed water-quality conditions and trends.

Statement of Problem

A comprehensive, consistent assessment of the Nation's surface- and groundwater quality currently is not available. Such an assessment is needed to provide a sound, scientific basis for prioritizing national water-quality issues and formulating effective national water policies. A detailed description of the physical, chemical, and biological characteristics of the Nation's streams and aquifers, and an understanding of the factors that affect the Nation's Water quality, are two of the valuable products that would result from such an assessment. The LINJ study unit is one of 40 investigations nationwide that together will provide a large-scale framework of focused activities to develop a greater understanding about regional and national water-quality conditions that cannot be acquired from individual, small-scale programs and studies alone.

Strategy and Approach

Following 2 years (FY 1994-95) of planning, analysis of existing data, reconnaissance sampling, and network design, the study entered 3 years (FY 1996-98) of intensive data-collection and data-interpretation. Fixed-station, synoptic, and reach studies of surface water were conducted, and land use surveys and flow-path studies of groundwater. Water-quality results, useful to policy makers and managers at the National, State, and local levels, will be published in numerous papers during the 3rd thru 7th years (FY 1996-2000) of the study.

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Page Last Modified: Monday, 14-Jan-2013 11:10:15 EST