Nacatoch AquiferGroundwater Availability Model (GAM)This map shows the extent and location of the southern portion of the Nacatoch Aquifer GAM.

In 2006, the Texas Water Development Board contracted with LBG-Guyton & Associates (who teamed with INTERA, Inc. and Dr. Graham Fogg) to develop a Groundwater Availability Model for the Nacatoch Aquifer. The project was completed and delivered in 2009.

In 2021, TWDB scientists commenced work on the update for the Nacatoch Aquifer GAM.

GAM Update: Nacatoch Aquifer

Stakeholder Advisory Forums (SAF)

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ID Date Location
SAF 1 4/26/2021 Online meeting (view video recording)
Current GAM: Nacatoch Aquifer

Model Files

Please see the GAM files download page for a copy of the model files.

Aquifer 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.

Other Resources

Please see the Nacatoch aquifer pages for other reports and publications.

For model runs see the GMA 8 page.