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EPA Region 6 (South Central)

Serving Arkansas, Louisiana, New Mexico, Oklahoma, Texas and 66 Tribal Nations

A lake in Texas.

Map of EPA Region 6

ArkansasLouisianaNew MexicoOklahomaTexas

Learn more about our work in Arkansas, Louisiana, New Mexico, Oklahoma, Texas and with 66 tribal nations

Region 6 News Releases

  • WHAT THEY ARE SAYING: Leaders Recognize EPA’s 100 Monumental Actions in First 100 Days of Trump Administration

  • EPA Region 6 Celebrates 100 Days with 100 Environmental Actions

  • EPA and Texas Railroad Commission Sign Memorandum of Agreement on Geologic Storage of Carbon Dioxide

  • EPA Issues Final Permits for Geologic Sequestration of Carbon Dioxide in Texas

  • EPA and Texas Partners Celebrate National Ag Day at Collin County Farm

Emergency Response

  • National Response Center

If you are seeing an environmental event that may lead to an immediate threat to human health or the environment, call 911 and then report it to the National Response Center at 1-800-424-8802.

  • EPA's role in Emergency Responses
  • Emergency response and removal sites in my community

Preparing for Natural Disasters

  • Natural disasters
  • Prepare for a hurricane
  • Prepare for flooding
  • Información en español

Public Notices, Meetings and Events

Find public notices and information on meetings and events in Arkansas, Louisiana, New Mexico, Oklahoma and Texas. 

Key Issues

  • EPA Region 6 Comments on Proposed LDEQ Air Permit for Atalco Alumina – Gramercy Operations (pdf) (1.29 MB)
  • Ethylene Oxide in Texas
  • Ethylene Oxide in Louisiana
  • Illinois River Watershed
  • Waste Isolation Pilot Plant (WIPP)
  • Chloroprene in LaPlace, Louisiana

 

Related Information

  • General Phone information
    800-887-6063
    214-665-2200 (Outside of Region 6)
  • Organization chart
  • Region 6's Laboratory
  • U.S. – Mexico Border Program
  • Visiting Region 6
  • Follow us on X
  • Visit us on Facebook
  • Contact Region 6

Mailing Addresses

EPA Region 6 Main Office
1201 Elm Street, Suite 500
Dallas, Texas 75270
800-887-6063
214-665-2200 (Outside of Region 6)

Houston Laboratory
10625 Fallstone Road
Houston, TX 77099
281-983-2100

El Paso Border Office
511 E. San Antonio, Suite 145
El Paso, TX 79901
915-533-7273

Oklahoma Field Office
US EPA
1645 South 101 East Avenue
Room 134
Tulsa OK 74128-4629

Report a Violation
  • Report a violation of environmental laws and regulations.

About EPA

  • Our Mission and What We Do
  • Headquarters Offices
  • Regional Offices
  • Labs and Research Centers
  • EPA Organization Chart
  • EPA History
Contact EPA
Contact Us to ask a question, provide feedback, or report a problem.
Last updated on February 19, 2025
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