National Water Quality Assessment Program
Lower Susquehanna River Basin Study Unit
Project Information
The goals of the
National Water-Quality Assessment (NAWQA) Program are being
achieved through ongoing and proposed investigations of 60 study
units, which are comprised of the Nation's most important river basins
and aquifer systems. The study units are
the building blocks of the NAWQA program and form the basis for
national assessments (national synthesis).
To make the program cost effective and manageable, intensive
assessment activities in each of the study units are being conducted
on a rotational rather than a continuous basis, with one-third of the
study units being studied intensively at any given time. The first
twenty study-unit investigations began in 1991, the second twenty began
in 1994, and the third twenty are scheduled to begin in 1997.
The Lower Susquehanna River Basin study unit was among those begun in 1991.
The study unit entered a low-intensity phase in 1997.
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