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Assessment of Groundwater Flow Near the Savannah River Site, Georgia and South Carolina
Project Chief: Gregory S. Cherry
The U.S. Department of Energy's (DOE) Savannah River Site (SRS) has manufactured nuclear materials for the National defense since the early 1950s. A variety of hazardous materials including radionuclides, volatile organic compounds, and trace metals, are either disposed of or stored at several locations at the SRS. As a result, contamination of ground water has been detected at several locations within the site and concern has been raised over the possible migration of water-borne contaminants offsite. Two issues have been raised:
To address these concerns, the U.S. Geological Survey, in cooperation with the DOE, conducted a comprehensive study during 1991-97 that simulated groundwater flow and stream-aquifer relations in the vicinity of the SRS. These groundwater simulations are limited by simplification of the conceptual model, which was based on available data through 1992. Large increases in groundwater pumping in Burke and Screven Counties, Georgia, since 1992, and a pronounced drought during 1998-2002 may have changed hydraulic gradients near the river and affected the potential for trans-river flow. To provide a more accurate and up-to-date evaluation of trans-river flow near the SRS, the earlier model is being updated to incorporate new data and simulate 2002 conditions. The revised model will be used to simulate a variety of water-management scenarios that could impact trans-river flow in the SRS area.
Simulation and Particle-Tracking Analysis of Ground-Water Flow near the Savannah River Site, Georgia and South Carolina, 2002, and for Selected Ground-Water Management Scenarios, 2002 and 2020. USGS Scientific Investigations Report 2006-5195
Simulation of groundwater flow and stream-aquifer relations in the vicinity of the Savannah River Site, Georgia and South Carolina, predevelopment through 1992. USGS Water-Resources Investigations Report 98-4062
Groundwater levels, predevelopment groundwater flow, and stream-aquifer relations in the vicinity of the Savannah River Site, GA and SC. USGS Water-Resources Investigations Report 97-4197