Groundwater Availability Model (GAM) and Geodatabase Dowloads

Most of the model and data files linked on this page are very large (up to 25 gigabytes when uncompressed), and may take a long time to download.

General Use Disclaimer: Although the data have been subjected to standard TWDB review protocols and are substantially complete, the TWDB reserves the right to revise the data pursuant to further analysis and review. All groundwater availability modeling data were developed for regional scale use only, and should not be used for local scale or individual site locations. Furthermore, the data are released on condition that neither the TWDB nor the State of Texas shall be held liable for any damages resulting from their authorized or unauthorized use.

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