Assessment of Possible Groundwater Contaminant Flow Paths in Two Upper Coastal Plain Hydrogeologic Settings
Bentley, Samuel J.
Fay, William M.
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The Upper Coastal Plain geologic province of Georgia and South Carolina has abundant groundwater in sand aquifers of Cretaceous- and Tertiary-age geologic formations. This groundwater, a primary source for agricultural, municipal, industrial, and domestic water supply, is generally neutral to acid in pH, very low in dissolved solids, and below 100 μS/cm in specific conductance. Because of regional soil and sediment types, this groundwater is also vulnerable to contamination from surface activities. The purpose of this presentation is to demonstrate how we predicted and evaluated groundwater flow paths at a proposed waste site in the Upper Coastal Plain region of Crawford County, Georgia, based on patterns of groundwater flow shown by Upper Coastal Plain flow models at the Savannah River Site (SRS). SRS is located in the Upper Coastal Plain of western South Carolina; groundwater flow at SRS has been studied extensively for over 30 years.