USA Banner

Official US Government Icon

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure Site Icon

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

U.S. Department of Transportation U.S. Department of Transportation Icon United States Department of Transportation United States Department of Transportation

Southwest Region

Image of southwest region

About the Office

The Southwest Regional Office, based in Houston, Texas, is comprised of personnel from the Office of Hazardous Materials Safety and the Office of Pipeline Safety. The offices are charged with overseeing the safe and secure movement of daily shipments of hazardous materials by all modes of transportation, as well as ensuring the safe, reliable, and environmentally sound operation so of the nation's pipeline infrastructure.

The area of responsibility for this region is listed below; however, the jurisdiction of PHMSA staff is nationwide and not limited to their regional area of responsibility.

States: Arkansas, Louisiana, New Mexico, Oklahoma, and Texas

Contact Information

Southwest Region Contact Information
PHMSA Hazardous Materials Safety
Southwest Region Office
PHMSA Pipeline Safety
Southwest Region Office
8701 S. Gessner Road, Suite 900
Houston, TX 77074
Main Line: 713-272-2820
Fax: 713-272-2821
8701 S. Gessner Road, Suite 630
Houston, TX 77074
PHP400 Main Line: 713-272-2859
Fax: 713-272-2831

Management

Southwest Region Management
PHMSA Hazardous Materials Safety
Southwest Region Enforcement Office
PHMSA Pipeline Safety
Southwest Region Office