Additional Information

Field Value
Data last updated July 22, 2026
Metadata last updated September 20, 2026
Created July 22, 2026
Format ZIP
License License not specified
Abstract Direct download URL for the native MODFLOW-2000 model archive, found via TWDB's centralized GAM Files download page. 459MB zipped / 16.3GB unzipped -- the largest GAM archive found so far. Not yet independently verified via a Tapis test run.
Temporal Coverage Start 2014-01-01
Temporal Coverage End 2014-12-31
Program Area Groundwater
Data Contact Email gam@twdb.texas.gov
Caveats and Usage Regional GAM for planning and screening; not for site-specific design. Spatial extent is an approximate bounding box derived from GMA 6 member-county boundaries (TACC SUBSIDE texas_counties layer), not the precise model grid extent.
Categories Groundwater
Primary Tags
Secondary Tags
Collection Method Model Output
Quality Control Level TWDB-adopted GAM
spatial
AbstractDirect download URL for the native MODFLOW-2000 model archive, found via TWDB's centralized GAM Files download page. 459MB zipped / 16.3GB unzipped -- the largest GAM archive found so far. Not yet independently verified via a Tapis test run.
CategoriesGroundwater
Caveats usageRegional GAM for planning and screening; not for site-specific design. Spatial extent is an approximate bounding box derived from GMA 6 member-county boundaries (TACC SUBSIDE texas_counties layer), not the precise model grid extent.
Collection methodModel Output
Data contact emailgam@twdb.texas.gov
Has viewsFalse
Id322a568f-b2d0-45be-a8cc-c9033a54f073
Mimetypeapplication/zip
Mint standard variablesgroundwater__hydraulic_head, aquifer__hydraulic_conductivity, land_surface_water__evapotranspiration_volume_flux, land_subsurface_water__recharge_volume_flux, groundwater_well__pumping_volume_flow_rate
Package id4921c88c-f4fe-4177-91c2-0be294f48175
Position1
Program areaGroundwater
Quality control levelTWDB-adopted GAM
Resource typemodel_archive
Stateactive
Temporal coverage end2014-12-31
Temporal coverage start2014-01-01