Spatial GIS Data
Topics Under this Category
Clickable statewide map of TCEQ regions, which links to more detailed region maps.
Links to geospatial data layers relating to water or hydrology.
Contains various downloadable maps created at TCEQ, including TCEQ regions, stream segments, river basins, nonattainment areas, and more.
Site Layers Download Page
Land use/land cover spatial data layers in ArcView Shapefile format. Includes information on Edwards Aquifer, Arroyo Colorado, and Brazos Colorado.
GIS layers in ArcView Shapefile format that detail regulatory/administrative boundaries of the TCEQ.