Georgia Water Science Center

USGS Open-File Report 2008-1297

Ground-Water Conditions and Studies in the Brunswick–Glynn County Area, Georgia, 2007

This report is available online in pdf format (4 MB): USGS OFR 2008-1297 (Opens the PDF file in a new window. )

Gregory S. Cherry and John S. Clarke

U.S. Geological Survey Open-File Report 2008-1297, 42 pages (Published September 2008)

ABSTRACT

The Upper Floridan aquifer is contaminated with saltwater in a 2-square-mile area of downtown Brunswick, Georgia. This contamination has limited the development of the ground-water supply in the Glynn County area. Hydrologic, geologic, and water-quality data are needed to effectively manage water resources. Since 1959, the U.S. Geological Survey has conducted a cooperative water-resources program with the City of Brunswick to monitor and assess the effect of ground-water development on saltwater contamination of the Floridan aquifer system. The potential development of alternative sources of water in the Brunswick and surficial aquifer systems also is an important consideration in coastal areas.

During calendar year 2007, the cooperative water-resources monitoring program included continuous water-level recording of 13 wells completed in the Floridan, Brunswick, and surficial aquifer systems; collecting water levels from 22 wells to map the potentiometric surface of the Upper Floridan aquifer during July and August 2007; and collecting and analyzing water samples from 76 wells to map chloride concentrations in the Upper Floridan aquifer during July and August 2007. In addition, work was initiated to refine an existing ground-water flow model for evaluation of water-management scenarios.


CONTENTS

Abstract

Introduction

Brunswick–Glynn County Cooperative Water Program

Purpose and Scope

Related Studies

Acknowledgments

Ground-Water Conditions

Ground-Water Levels

Factors Influencing Ground-Water Levels

Precipitation

Ground-Water Pumpage

Surficial Aquifer System

Brunswick Aquifer System

Floridan Aquifer System

Chloride Concentrations

Upper Floridan Aquifer

Surficial and Brunswick Aquifer Systems

Real-Time Monitoring of Specific Conductance and Water Levels

Ground-Water Studies

Reports and Technical Presentations

Selected References

 


REPORT AVAILABILITY

This report is available online in pdf format (4 MB): USGS OFR 2008-1297 (Opens the PDF file in a new window. )
To view the PDF document, you need the Adobe Acrobat® Reader installed on your computer. (A free copy of the Acrobat® Reader may be downloaded from Adobe Systems Incorporated.)


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