Ogallala Aquifer (northern portion)Groundwater Availability Model (GAM)

The Panhandle Regional Water Planning Group contracted the Texas Bureau of Economic Geology (TBEG) to develop a new numerical model for the aquifer. Along with the Ogallala Aquifer, the Rita Blanca Aquifer is also included in this model. A final report and model were delivered in 2001. Revisions to this model include the 2004 and 2010 models documented below. Please see the next section for details.

Model Report

"Saturated Thickness in the Ogallala Aquifer in the Panhandle Water Planning Area − Simulation of 2000 through 2050 Withdrawal Projections."

"Adjustment of Parameters to Improve the Calibration of the Og-n Model of the Ogallala Aquifer, Panhandle Water Planning Area."

"Northern Ogallala GAM Update To Support 2011 [Region A] Water Plan."

Model Files

Please contact David Thorkildsen (512-936-0871) for a copy of model files. The model files are available in an electronic format with a small processing fee per CD/DVD.

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. The raw/source data may be requested on CD(s) in an electronic format with a processing fee by contacting David Thorkildsen (512-936-0871).

Stakeholder Advisory Forums (SAF)

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

Other Resources

Please see the Ogallala and Rita Blanca aquifer pages for other reports and publications.

For model runs see the GMA 1 page.