Skip to content. | Skip to navigation

Personal tools


Questions or Comments:
You are here: Home / Field Operations / Edwards Aquifer Protection / Where to Obtain Edwards Aquifer Zone Maps

Where to Obtain Edwards Aquifer Zone Maps

Vendors for Edwards Aquifer Recharge, Contributing, and Transition Zone Maps.

The officially marked Edwards Aquifer zone maps are USGS Exit the TCEQ

topographic maps for individual quadrangles that contain portions of the recharge, contributing or transition zone. The last mapping change went into effect on September 1, 2005. Modifications were made to the existing boundaries in Travis, Hays, Comal, and Bexar Counties.


Vendors of Officially Marked
Edwards Aquifer Zone Maps
Maps of quadrangles in
these counties:
Hays, Comal,
Bexar, Medina,
Uvalde, Kinney
Mapsco Exit the TCEQ
610 West Sunset Road
San Antonio, TX 78216
(210) 829-7629
Travis, Hays
Thomas Reprographics Exit the TCEQ
7801 N. Lamar Blvd. Suite C57
Austin, TX 78752
(512) 687-1050

The marking of these zones on the official maps is based on the best current understanding of local geologic formations and water movement. These maps are adopted as part of the rules, and we may revise them through our standard rulemaking process when new information is available.

Related content
Edwards Aquifer Map Viewer
Program Updates

Hot Topic Download the New Application Forms
The Edwards Aquifer Protection Plan forms have been updated. Download the forms at Edwards Aquifer Forms, Instructions, and Checklists.

Include the Required Cover Page
When you submit an Edwards Aquifer Application, you must include a certified cover page. Access a copy at Edwards Aquifer Forms, Instructions, and Checklists.

Utilize the Application Checklists
Use the application checklists to help you compile the necessary forms and attachments to submit a complete plan. See Edwards Aquifer Protection Plans to access your checklist.

Submit a Complete Application
To learn how to submit a complete plan, see Application Submission and Review.