Cross Timbers Aquifer Groundwater Availability Model (GAM)
The Texas Water Development Board (TWDB) contracted with Daniel B. Stephens & Associates to develop a conceptual model of the Cross Timbers Aquifer in Texas. The Conceptual Model Report is now available.
The TWDB contracted with INTERA, Inc. to develop the numerical model of the Cross Timbers Aquifer in Texas. The draft Numerical Model Report and associated data is now available.
Draft Numerical Model
The draft groundwater availability model (GAM) for the Cross Timbers Aquifer is currently under public review. The deadline to submit comments to the TWDB is end of day on June 16, 2025.
Please send any comments to gam@twdb.texas.gov.
- Draft Numerical Model Report: Groundwater Availability Model for the Cross Timbers Aquifer (Version 1.01)
- Appendices: Groundwater Availability Model for the Cross Timbers Aquifer (Version 1.01)
| Draft Model Files |
|---|
| Model Files (273MB zipped) |
| Draft Geodatabase |
|---|
| Geodatabase (121MB zipped) |
Final Conceptual Model Report
"Conceptual Model Report for the Cross Timbers Aquifer."
Model Files and Associated Data
Please see the GAM files download page for the geodatabase and Leapfrog Geo model.
Stakeholder Advisory Forums (SAF)
A Stakeholder Advisory Forum (SAF) to develop a numerical groundwater availability model (GAM) for the Cross Timbers Aquifer was held on Microsoft Teams.
Date: Wednesday, April 16, 2025
Time: 10:00 AM (CST)
Meeting Recording
Meeting Summary
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 |
|---|---|---|
| Numerical - SAF 1 | 04/25/2023 | Springtown, Texas |
| SAF 1 | 08/06/2019 | Stephenville, Texas |
| SAF 2 | 08/14/2020 | Online meeting (view video recording) |
| SAF 3 | 07/09/2021 | Springtown, Texas |
Other Resources
Please see the Cross Timbers aquifer pages for other reports and publications.
For model runs see the GMA 6 page.