Journal
ENVIRONMENT INTERNATIONAL
Volume 26, Issue 7-8, Pages 497-503Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/S0160-4120(01)00033-2
Keywords
Gulf Coast Aquifer; oil/gas wells; Texas
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Data from 1122 brine injection wells, 24,515 dry holes, 20,877 plugged oil/gas wells, and 256 water wells were mapped with a geographic information system (GIS) and statistically analyzed. There were 9, 107, and 58 water wells within 750 m of a brine injection well, dry hole, or plugged oil/gas well, respectively. Computed median concentrations were 157 mg/l for chloride, 0.8 mg/l for bromide, and 169 mug/l for barium. The maximum chloride concentration was 2384 mg/l, close to 10 times the secondary drinking water standard. Shallow water wells and water wells near plugged oil/gas wells had significantly higher chloride and bromide levels. (C) 2001 Elsevier Science Ltd. All rights reserved.
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