NAWQANational Water Quality Assessment Program
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Sixth NAWQA Taxonomy Workshop on Harmonization of Algal Taxonomy October 2001.
Recent NAWQA Data Show that Diazinon Concentrations in Some Northeast Streams have Declined Following Recent Reductions in Use.
However, only through collaboration with numerous government, research, and interest--group partners can we ensure that NAWQA information will meet the needs of local, state, regional, and national stakeholders.
Although a complete national picture of water-quality problems is not yet a reality, the last decade of studies by NAWQA has documented significant contaminant patterns in some of the most important river basins and aquifers.
Most ground water aquifers and some streams investigated by NAWQA are sources of drinking water.
The states of Washington and New Jersey have already used NAWQA data as a foundation for targeting state resources more precisely and cost-effectively toward high-risk wells.
As part of the USNK NAWQA study, water samples were collected at 31 sites during May and June 1994.
Data from this study will be compared with data from other NAWQA studies to determine whether the relations in the USNK adequately describe relations in other large drainage basins in the nation.
The National Water Quality Assessment (NAWQA) program of the USGS assessed water quality of aquifer systems that cover the water resources of > 60% of the population in the contiguous United States.
Since 1991, the National Water-Quality Assessment Program (NAWQA) of the U.S.
Data Results of the National Water Quality Assessment Program (NAWQA), 1992-1996.
NAWQA Pesticide National Synthesis Project: National Assessment of Pesticides in the Streams, Rivers, and Ground Water of the United States.