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Geographic Information Systems

See links for available TCEQ spatial data, raster data, geographic data viewers, TCEQ GIS standards, and useful GIS links.
Related Categories:
GIS Standards Describes TCEQ's GIS standards.
Geographic Data Viewers Links to Geographic Data Viewers providing easy access to spatial data via graphical interface.
Raster Data Information about raster GIS datasets used at TCEQ including aerial imagery (DOQQs) and Digital USGS Topographic Maps (DRGs).
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.
Useful GIS Links Links to non-agency datasets, data clearinghouses, tools, tutorials, software support, geographic data standards, and GPS resources.
Topics Under This Category:
GeoTAM Viewer The Geographical Texas Air Quality Monitoring viewer can access information about air quality monitors, view and print maps of areas of interest, and obtain details about selected air monitors and their surrounding area.
Hydrography Maps and Data Links to the Atlas of Texas Surface Waters, data for Level 4 ecoregions, GIS data for classified segments, and other hydrology data layers for use in ArcGIS. Statewide hydrography maps and map-based viewers for surface water information.
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Last Modified Wed, 12 Dec 2012
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