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Abstract:
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Groundwater is an important natural resource for Central Texas, providing the sole source of water in
many areas, for municipal, domestic, industrial, livestock, and ecological needs. To sustainably manage
the groundwater resources it is essential to have data that characterize the hydraulic parameters of the
aquifers. This type of data is often not readily available. This document compiles reports of 85 pumping
tests conducted in Central Texas and presents key information summarized from each report, including
hydraulic parameters such as hydraulic conductivity, transmissivity, and storativity. Location maps of
the tests are provided, along with statistical summaries in the form of tables and box plots. The
summarized hydraulic data in this report are compared to ranges of published values. The results of this
compilation indicate that the highest transmissivity and storativity values are within the Edwards
Aquifer, followed by the Middle Trinity, the Lower Trinity, and the Upper Trinity Aquifers. Pumping
tests are an important method for determining hydraulic parameters. The data presented in this report
will be useful to future groundwater modeling, groundwater availability, and other aquifer studies. |
