Research and Aquifer Studies

TGR Regional Impact Study

Following notification of a proposed groundwater production project in Bexar county, TGR commenced with a regional impact study through WSP to assess potential impacts. The project would include the activation of production wells located in northeastern Bexar county.

TGR Modeling Results Final Report

USGS Spring Survey Results

US Geological Survey has compiled and released a spring survey report. USGS partnered with TGRGCD, Edwards Aquifer Authority and San Antonio River Authority to create a geodatabase of springs throughout Northern Bexar County.

Geodatabase and Characteristics of Springs Within and Surrounding the Trinity Aquifer Outcrops in Northern Bexar County, Texas, 2010–11

LBG-Guyton Structure Maps and Stratigraphy Dataset for TGRGCD

LBG-Guyton Associates prepared a stratigraphic dataset and two structure maps for the Trinity Glen Rose Groundwater Conservation District in Northern Bexar County. The structure maps represent the top of the lower glen rose and top of the cow creek, within the Trinity Aquifer

Structure Report 2014

Structure Map Lower Glen Rose

Structure Map Cow Creek

GMA 9 Hutchinson Report

GMA 9 authorized Dr. Hutchinson to compare actual groundwater level data with model predictions developed during the development of the desiered future condition for the Trinity Aquifer in GMA 9 on a well-by-well basis.

2014 GMA 9 Report