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The AAPG/Datapages Combined Publications Database
Houston Geological Society Bulletin
Abstract
Abstract: Salt Water Contamination of the Chicot Aquifer
from Historic Oil Field Operations, Tomball Field,
Harris County, Texas
By
Robert
J. "Bob" Traylor and John D. Estepp
Texas Natural Resources Conservation Commission
Austin, Texas
A large plume of produced salt water in the Chicot Aquifer is identified in the southwest Tomball Field area of north Harris County. The plume probably affects an area of 1/2 square miles or more and as much as 150 feet of the lower Chicot Aquifer. Historic oil field operations are the most probable surface point-source. Delta-plain sediments of the Pleistocene Lissie/Willis Formations influenced the contamination pathway and geometry. The Miocene-aged Evangeline Aquifer (Fleming Formation) is not impacted by the plume, as the Evangeline is geologically isolated from the Chicot by a regional paleo-Trinity Bay flooding sequence.
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