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Maps, data, and searches using map format.

Edwards Aquifer Maps Find maps related to the Edwards Aquifer.
Geographic Information Systems See links for available TCEQ spatial data, raster data, geographic data viewers, TCEQ GIS standards, and useful GIS links.
Maps of TCEQ Locations Find the TCEQ's Austin headquarters and local offices throughout Texas.
Hydrography Maps and Data Links to the Atlas of Texas Surface Waters, data for Level 4 eco-regions, 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.

Map of Water Systems under Water Use Restriction From the weekly report to the Texas Drought Preparedness Council. Map of Texas displaying the location of public water systems that were enforcing restrictions on water use due to drought or other water shortage as of the first of the current week.
  Priority Groundwater Management Areas Program to identify areas of Texas experiencing, or expected to experience, critical groundwater problems and encourage the creation of groundwater conservation districts for those areas. Relevant reports, studies, maps, and rules.
TexAQS II Field Study: Maps  Maps generated by the Field Study representing various aspects and areas of the study.