[Header] PHMSA - U.S. Department of Transportation - Pipeline and Hazardous materials Safety Adminis
PHMSA Home
Frequently Asked Questions (FAQs)

Frequently Asked Questions about Pipeline topics.

 
General Pipeline FAQs
Basic information about the use of pipelines and their contents.
 
Safe Pipelines
Questions and answers about the safety of our Nation's pipelines.
 
PHMSA and Pipelines
What PHMSA does for pipeline safety and who else may have authority over pipelines.
question mark in shadow
Pipeline Safety Resources
pipeline
 
National Pipeline Mapping System
View maps of natural gas transmission and hazardous liquid pipelines, LNG facilities, and breakout tanks by county.
 
Integrity Management Program (IMP)
Programs for Liquid, Gas, Distribution, and Rulemaking. View the DIMP Webcast.
 
Pipeline Emergencies First Reponder Training
FREE Comprehensive pipeline emergencies training materials for first responders
 
Pipeline Operator Registration System
Online data entry and Operator Registration System
 
Drug & Alcohol Program information
Policy and investigation to deter and detect illegal drug use and alcohol misuse in the pipeline industry.
Careers  |  Contact Us  |  No Fear  |  Privacy Policy  |  FOIA  |  Accessibility  |  FAQs  |  Web Policies  |  Site Map  |  Download Acrobat