Marathon Aquifer Groundwater Availability Model (GAM)
The Texas Water Development Board (TWDB) contracted with Daniel B. Stephens & Associates (DBS&A) to develop a conceptual model of the Marathon Aquifer in Texas. The conceptual model report was completed in 2022. TWDB will use this information to develop a Groundwater Availability Model for the Marathon Aquifer.
The TWDB has also contracted with Daniel B. Stephens & Associates (DBS&A) to develop the first numerical groundwater model for the Marathon Aquifer. The work commenced in late 2024 and is expected to be completed by the end of 2026.
Stakeholder Advisory Forums (SAF)
A Stakeholder Advisory Forum (SAF) to develop a groundwater availability model (GAM) for the Marathon Aquifer was held at:
Marathon Elementary School
Date: Tuesday, January 14, 2025
Time: 5:30 PM (CST)
For any questions or comments, 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 Presentation | January 14, 2025 | Marathon Elementary School |
| Numerical SAF 1 Q&A | January 14, 2025 | Marathon Elementary School |
Conceptual Model Report
Marathon Aquifer Conceptual Model Completion Report
Stakeholder Advisory Forums (SAF)
Send us an email if you would like to receive SAF notifications.
| ID | Date | Location |
|---|---|---|
| SAF1 | December 3-4, 2020 | Marathon High School and Online meeting (view video recording) |
| SAF2 | August 4-5, 2022 | Marathon Elementary School Auditorium |
Model Files and Associated Data
Please see the GAM files download page for the current model files and associated data.