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Flow pattern in regional aquifers and flow relations between the lower Colorado River valley and regional aquifers in six counties of southeastern Texas

Water-Resources Investigations Report 88-4154

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Abstract

The 318-river-mile reach of the Lower Colorado River from Mansfield Dam near Austin, Texas, to the Gulf of Mexico is underlain directly or indirectly by six regional aquifers--the Trinity, Edwards, Carrizo-Wilcox, Queen City, Sparta, and Gulf Coast. The Trinity aquifer is further subdivided into the lower Trinity, middle Trinity, and upper Trinity aquifers. Generalized potentiometric-surface maps of each regional aquifer show the groundwater flow pattern near the river valley. Each regional aquifer discharges water to the lower Colorado River valley, particularly in the outcrop area of each aquifer. Only the Gulf Coast aquifer in central Wharton County appears to be recharged by water in the river valley. A summary map shows those subreaches of the lower Colorado River that gain water from the aquifers and the subreaches that lose water to the aquifers. (USGS)

Additional Publication Details

Publication type:
Report
Publication Subtype:
USGS Numbered Series
Title:
Flow pattern in regional aquifers and flow relations between the lower Colorado River valley and regional aquifers in six counties of southeastern Texas
Series title:
Water-Resources Investigations Report
Series number:
88-4154
Edition:
-
Year Published:
1989
Language:
ENGLISH
Publisher:
U.S. Geological Survey ; Copies can be purchased from U.S. Geological Survey Books and Open-File Report Section,
Description:
iv, 24 p. (1 folded) :ill., maps ;28 cm.