Northern segment of the Edwards (Balcones Fault Zone) AquiferGroundwater Availability Model (GAM)This map shows the extent and location of the northern segment of the Edwards (Balcones Fault Zone) Aquifer Groundwater Availability Model.

The Texas Water Development Board has developed a model of the northern segment of the Edwards (Balcones Fault Zone) Aquifer. The model was completed in 2003.

Model Files

Please contact David Thorkildsen (512-936-0871) for a copy of the model files.

Model Grid

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.

Download model grid.

Aquifer Data

Aquifer data is only available as a package for the entire model area and requires GIS software for processing. Due to the size of raw/source data files for this model, this information has not been posted on the web. For the raw/source data, contact David Thorkildsen (512-936-0871).

Stakeholder Advisory Forums (SAF)

Send us an email if you would like to receive SAF notifications.

ID Date Location
SAF 7 11/6/2003 Austin, Texas
SAF 6 7/17/2003 Salado, Texas - Salado Civic Center (601 North Main Street)
SAF 5 4/24/2003 Salado, Texas - Salado Civic Center (601 North Main Street)
SAF 4 1/15/2003 Salado, Texas - Salado Civic Center (601 North Main Street)
SAF 3 9/26/2002 Salado, Texas - Salado Civic Center (601 North Main Street)
SAF 2 6/27/2002 Austin, Texas - William B. Travis Building (1701 North Congress Avenue)
SAF 1 3/18/2002 Austin, Texas - William B. Travis Building (1701 North Congress Avenue)

Other Resources

Please see the Edwards (Balcones Fault Zone) Aquifer page for other reports and publications.

For model runs see the GMA 8 page.

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