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Brine contamination of shallow ground water and streams in the Brookhaven Oil Field, Lincoln County, Mississippi

Water-Resources Investigations Report 86-4087
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https://doi.org/10.3133/wri864087

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Abstract

A hydrologic investigation to define areas of brine contamination in shallow freshwater aquifers commonly used for streams that drain the Brookhaven Oil Field, was conducted from October 1983 to September 1984. The Brookhaven Oil Field covers approximately 15 sq mi in northwestern Lincoln County, Mississippi. Since 1943, disposal of approximately 544.2 million barrels of brine pumped from the oil producing zone (lower part of the Tuscaloosa Formation) has contaminated the Citronelle aquifer, the Hattiesburg aquifers, and streams that drain the oil field. Approximately 5 sq mi of the shallow Citronelle aquifer contain water with chloride concentrations higher than normal for this area ( > 20 mg/L). Brine contamination has moved from the source laterally through the Citronelle aquifer to discharge into nearby streams and vertically into the underlying Hattiesburg aquifers. Contamination is most noticeable in Shaws Creek when streamflow originates primarily from groundwater inflow (approximately 87% of the time during the study). Additional study is required to define contaminant plumes, rates of groundwater movement and geohydrochemical reactions between the contaminant and aquifer materials. These data would allow accurate predictions of location, extent and degree of contamination in the study area. (Author 's abstract)
Publication type Report
Publication Subtype USGS Numbered Series
Title Brine contamination of shallow ground water and streams in the Brookhaven Oil Field, Lincoln County, Mississippi
Series title Water-Resources Investigations Report
Series number 86-4087
DOI 10.3133/wri864087
Edition -
Year Published 1986
Language ENGLISH
Publisher U.S. Geological Survey,
Description vi, 57 p. :ill., maps ;28 cm.
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