Northern Portion of the Carrizo-Wilcox Aquifer Groundwater Availability Model (GAM)
In 2017, the Texas Water Development Board (TWDB) contracted with GSI Environmental, Inc. to update the groundwater availability model of the northern part of the Carrizo-Wilcox, Queen City, and Sparta aquifers in Texas. A final report and model were released in April 2021.
Numerical Model Report
- Numerical Model Report: Groundwater Availability Model for the Northern Portion of the Queen City, Sparta, and Carrizo-Wilcox Aquifers.
- Appendices A and B.
- Appendices C through H.
Conceptual Model Report
Model Files and Associated Data
Please see the GAM files download page for a copy of the model files for the Groundwater Availability Model.
Stakeholder Advisory Forums (SAF)
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|SAF 1||5/9/2017||Nacogdoches, Texas||SAF 2||8/9/2018||Nacogdoches, Texas||SAF 3||8/27/2020||Online meeting|
For model runs see the GMA 11 page.