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Spatial GIS Data

Download certified GIS layers maintained by TCEQ as well as associated metadata. Each layer is in shapefile format and has been zipped for distribution.

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