Northern portion of the Trinity Aquifer and Woodbine Aquifer Groundwater Availability Model (GAM)

This map shows the extent and location of the Trinity (northern portion) and Woodbine Aquifers GAM.The North Texas, Northern Trinity, Prairielands, and Upper Trinity Groundwater Conservation Districts contracted Intera, Inc. to develop a new numerical model for the Trinity Aquifer and Woodbine Aquifer located within Groundwater Management Area 8. The final report and model were released in 2015. The original version of the model is documented below.

Current GAM

Model Report

Model Files and Associated Data

Please see the GAM files download page for the current model files and associated data.

Aquifer data is only available as a package for the entire model area and requires GIS software for processing. Please see the GAM files download page for aquifer data.

Stakeholder Advisory Forums (SAF)

A Stakeholder Advisory Forum (SAF) to develop a numerical groundwater availability model (GAM) for the Northern Trinity and Woodbine aquifers was held at the Prairielands GCD Office in Cleburne, Texas.

Date: Tuesday, June 27, 2023
Time: 10:00 AM (CST)

Meeting Materials
SAF 1 Presentation
SAF 1 Attendance Sheet
SAF 1 Stakeholder Comments

For questions about this Stakeholder Advisory Forum, please contact Daryn Hardwick (512 475 0470).

Send us an email if you would like to receive SAF notifications.

ID Date Location
SAF 4 2/25/2004 Dallas, Texas - Quoin's Dallas Facility (11111 Stemmons Freeway)
SAF 3 12/3/2003 Waco, Texas - Brazos River Authority (4600 Cobbs Drive)
SAF 2 8/5/2003 Fort Worth, Texas - Freese & Nichols, Inc. (4055 International Plaza)
SAF 1 3/19/2003 Hillsboro, Texas - Harris Education Center (200 Line Street)
Pre SAF 2/19/2002 Waco, Texas - Baylor University, Sid Richardson Science Building

Other Resources

Please see the Trinity and Woodbine aquifer pages, the Groundwater Management Area 8 GAM page, and the Research Projects in Support of Groundwater Models page for other reports and publications.

For model runs see the GMA 8 page.