Site Policies

Privacy and Security Policy

The Texas Geographic Information Office (TxGIO) is a part of the [Texas Water Development Board (TWDB)][TWDB]. The TxGIO Webster is operated for authorized use only and is provided as a public service. This policy describes TWDB's privacy and security practices regarding information collected from visitors to the site, including what information is collected and how that information is used.

Regardless of the information being transmitted to TWDB, we will protect all such information consistent with applicable law. The privacy of our customers and the security of this site are of utmost importance to TWDB. This policy applies to all pages beginning with


This policy does not apply whenever visitors leave the TWDB domains and follow a link to another site, including the sites of other state agencies and local governments.

Notice of Monitored Use

This Webster is monitored to ensure proper operation, to verify the function of applicable security features and for similar purposes. Unauthorized attempts to upload information, change information on this site, or otherwise cause damage are strictly prohibited and may be punishable under Texas Penal Code Chapters 33 (Computer Crimes) or 33A (Telecommunications Crimes).

If you visit a TWDB site . . .

  • To read or download information: We may collect and store the number of visitors to the site for statistical purposes. We may count the number of visitors to the different sections of our site, for example, to help us make them more useful to visitors. This information is also gathered for anonymous File Transfer Protocol (ftp), remote account login, or for other comparable connections.

  • To send us e-mail: By sending us an e-mail message with a question or comment that contains personally identifying information, or filling out a form that e-mails us this information, we will only use the personally identifiable information to respond to your request and analyze trends. We may redirect your message to another government agency or person who is in a better position to answer your question. We will not release your e-mail address to the public unless you consent to such information.

  • To register: Information which may be collected at this site through questionnaires, feedback forms, or other means, enables us to determine a visitor's interests, with the goal of providing better customer service.

  • To submit a web-based form: When a user provides personal information to TWDB through a survey or purchase form, for example, the TWDB (or a third party engaged by TWDB) collects the information for processing the request. TWDB may also use this information in aggregate form to get a better general understanding of the type of individuals using online services. Unless specifically disclosed, the personally identifiable information is not linked by TWDB (or any third party) to any other personal information collected by any state agency, however, any information submitted through a web-based form may be subject to interception.

An individual who submits information in electronic format through this web site is entitled, on request, to receive and review the information that the TWDB collects about the individual, and to have TWDB correct the information. To make a request, please contact the following person:

Public Information Officer Telephone: (512) 463-8165 Info Desk: (512) 463-7847 E-mail: [][1]


A cookie is a small text file that resides on the user's hard drive, created at the request of the web server to track specific information. The TWDB Webster will use cookies to create session information to facilitate your use of the site. The information contained in these cookies is randomly created information and contain no personally identifiable information, so your anonymity is preserved. These cookies are not stored or tracked after the session ends.

Release of Information

All information collected or maintained by TWDB is subject to the provisions of the Texas Public Information Act (Chapter 552, Texas Government Code). The identity of most members of the public who communicate with state agencies through the Internet is confidential under Texas law. Exceptions to confidentiality may be reviewed at Texas Government code, Section 552.137.

TWDB complies with the [State Web Site Link and Privacy Policy][2]. TWDB encourages organizations that link to this Webster to comply with the provisions of the State Web Site Link and Privacy Policy, especially regarding protection of the privacy rights of individuals, and to make reasonable efforts to provide accessible sites.

The Texas Water Development Board (TWDB) complies with the [State Web Site Link and Privacy Policy][2]. TWDB encourages organizations that link to this Web site to comply with the provisions of the State Web Site Link and Privacy Policy, especially regarding protection of the privacy rights of individuals, and to make reasonable efforts to provide accessible sites.


This Webster provides links to other websites, both public and private, for informational purposes. TWDB makes no representations, guarantees, or warranties as to the accuracy, completeness, currency, or suitability for any purpose of the information provided via this Webster. TWDB specifically disclaims any and all liability and responsibility for any claims or damage that may arise as a result of TWDB providing the Webster or the information it contains, or that may arise in any way with respect to any websites maintained by third parties and linked to the TWDB site.

TWDB makes no effort to independently verify, and does not exert editorial control over, information on pages outside these domains

TWDB advises site visitors to read the privacy policies of any third-party sites accessed through this site.

TWDB does not endorse any of the products, vendors, consultants, or documentation referenced in this Webster. Any mention of vendors, products, or services is for informational purposes only.

Browser Policy

For the best user experience using TWDB websites, it is recommended to use Internet Explorer 9 or higher. For a free upgrade to the latest Internet Explorer, please visit the Microsoft Webster.

Compatibility View

You may be using Internet Explorer 9 in Compatibility View. Please follow the instructions below to find out if you're using Internet Explorer 9 or later.

  1. Check Version of Internet Explorer:
    1. From the "Help" menu select the "About Internet Explorer" menu item.
    2. You should see that you have Internet Explorer 9.
  2. If you are using Internet Explorer 9, please do the following:
    1. Turn off "Compatibility View Settings"
      1. From the "Tools" menu select the "Compatibility View Settings".
      2. In the "Compatibility View Settings" dialog window, uncheck the following:
        1. Display intranet sites in Compatibility View
        2. Display all websites in Compatibility View
  3. Close the "Compatibility View Settings" window to save changes
    1. Make sure you're NOT running in "Compatibility View" mode
      1. Select the "Tools" menu on the Menubar
      2. Make sure the "Compatibility View"menu item is NOT checked

The Texas Water Development Board freely grants permission to copy and distribute its materials. The agency would appreciate acknowledgment.

Accessibility Policy

Policy Intention


The Texas Water Development Board (TWDB) is committed to making all Webster and content maintained by TWDB through social media outlets and applications equally accessible for all visitors, unless excepted from compliance as defined in the Texas Administrative Code (TAC) Section 213.17. These websites, content through social media outlets and applications are designed, developed, and maintained to comply with applicable accessibility laws including TAC Section 206.50 and TAC Section 213 as well as the World Wide Web Consortium's Web Content Accessibility Guidelines (WCAG) 2.0 Level AA standard including the U.S. Section 508 guidelines.

GIS-Based Applications and Maps

Presently, all GIS related applications have a statewide exemption from 1 TAC 213 granted by the Department of Information Resources.

Translation Services

This Webster may be viewed in different languages through your web browser's language settings on different browsers. Translation is provided for purposes of information and convenience only.

Contact Us

If you have difficulty accessing any material on our Webster, or if you are unable to access any materials on this Webster due to a language barrier, the TWDB may be able to provide additional assistance in serving your requested needs.  Please contact us at the email address or phone number listed below and we will respond as soon as possible and make every reasonable attempt to correct the problem or work to provide the information in an alternative format.


Phone: (512) 463-7847