Carrizo-Wilcox, Queen City, and Sparta aquifersGroundwater Availability Models (GAM)
The Texas Water Development Board contracted with INTERA Inc. (teamed with the Bureau of Economic Geology, and Brandes and Associates) to add the Queen City and Sparta aquifers as additional layers to the existing three Carrizo-Wilcox models. The project was completed and delivered in 2005.
The Carrizo-Wilcox, Queen City, and Sparta aquifers groundwater availability model supersedes existing Carrizo-Wilcox Groundwater Availability Model for the southern portion of the Carrizo-Wilcox Aquifer. However, in the central and northern areas this model is superseded by the newer Groundwater Availability Model for the central portion of the Carrizo-Wilcox Aquifer and by the newer Groundwater Availability Model for the northern portion of the Carrizo-Wilcox Aquifer.
Please see the GAM files download page for a copy of the model files.
Model grid cells are geographically assigned to counties, groundwater conservation districts, river basins, groundwater management areas, and regional water planning areas within the model study area using a centroid based approach. The model grid is available in ESRI® shapefile format and comma-delimited text file.
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.
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