USGS Georgia Dept of Agriculture

Agricultural Chemicals in Shallow Ground Water in Southern Georgia

Cooperator: Georgia Department of Agriculture
Year Started: 1999

The sampling protocols
followed for this pesticide monitoring study are the same as those used for
the National Water-Quality Assessment Program (Koterba and others, 1995). 
These protocols require rigorous cleaning of sampling equipment and strict
handling procedures to ensure that there is no sample contamination.  These
protocols are necessary to achieve detection levels as low as 0.001
micrograms per liter.  Photo by Andrew C. Hickey, USGS.

Modern agricultural practices include the use of pesticides and fertilizers to increase crop yields. Application of these chemicals involves some risk of contamination to surface- and ground-water resources through runoff and infiltration. The Georgia Department of Agriculture has primary responsibility for pesticide regulation and is the lead agency for Georgia's ground-water protection program for pesticides. Data on the occurrence, in shallow ground water, of frequently used pesticides are not available throughout agricultural areas of Georgia. A ground-water-quality monitoring program is critical to determine if agricultural pesticide use contaminates ground-water resources, and if so, where.

Objectives



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