Additional Information

Field Value
Data last updated July 21, 2026
Metadata last updated September 20, 2026
Created July 21, 2026
Format HTML
License License not specified
Abstract TWDB GAM landing page for the Gulf Coast Aquifer System, central and southern portions (MODFLOW-USG). Direct model-archive download link not yet independently verified via a Tapis test run.
Temporal Coverage Start 2023-05-01
Temporal Coverage End 2025-01-31
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 the union of GMA 15, 16 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 (draft recalibration)
spatial
AbstractTWDB GAM landing page for the Gulf Coast Aquifer System, central and southern portions (MODFLOW-USG). Direct model-archive download link 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 the union of GMA 15, 16 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
Idfebe7790-f563-4b32-bb37-3b477d9c85f4
Package id6d11c310-e1c9-40d0-88f6-613d6d893e1a
Position0
Program areaGroundwater
Quality control levelTWDB-adopted GAM (draft recalibration)
Stateactive
Temporal coverage end2025-01-31
Temporal coverage start2023-05-01