Latest Actions
PHMSA Statement of Policy for Transporting Hazardous Liquids or Carbon Dioxide in Non-Steel Pipelines
PHMSA is issuing this policy statement to clarify the agency’s expected operational practices for complying with Federal pipeline safety regulations when transporting hazardous liquids or carbon dioxide in non-steel pipelines.
See...
PHMSA Seeks Public Input on Enforcement Procedures
PHMSA's Office of Pipeline Safety maintains a public copy of its Section 4 Administrative Enforcement Processes on the website here. This document...
PHMSA Corrective Action Order to Delfin Offshore Pipeline, LLC
PHMSA issued this Corrective Action Order to Delfin Offshore Pipeline, LLC directing the operator to take certain corrective actions following a February 3, 2026, pipeline failure in Cameron Parish, Louisiana. See CAO for more details.
PHMSA Safety Advisory Highlights Risks Associated with Extreme Winter Weather
Contact: PHMSAPublicAffairs@dot.gov
The U.S. Department of Transportation’s Pipeline and Hazardous Materials Safety Administration (PHMSA) today announced a safety advisory to...
OMB Changes to Pipeline Incident Reporting Instructions for Gas Transmission, Gas Gathering, and Underground Natural Gas Storage Facilities
On January 19, 2026, the Office of Management and Budget (OMB) approved changes to the instructions for PHMSA Form F 7100.2, Incident Report—Gas Transmission, Gas Gathering, and Underground Natural Gas Storage Facilities (OMB Control No. 2137-0635)....
PHMSA Safety Advisory Addresses Risks Associated with the Use of Type-A Sleeves
Contact: PHMSAPublicAffairs@dot.gov
WASHINGTON, D.C. – The U.S. Department of Transportation's Pipeline and Hazardous Materials Safety...
Energy Transfer/Sunoco Twin Oaks Pipeline Updates
- PHMSA issues safety advisory on risks associated with the use of Type-A sleeves
Wednesday, November 5, 2025
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PHMSA Issues Safety Advisory on Heat-Related Risks in Older Plastic Gas Piping Following Deadly Pennsylvania Explosion
Contact: PHMSA Public Affairs
PHMSAPublicAffairs@dot.gov
WASHINGTON – The U.S. Department of Transportation’s...
PHMSA Corrective Action Order to Northern Natural Gas Company
PHMSA issued this Corrective Action Order to Northern Natural Gas Company directing the operator to take certain corrective actions following a January 16, 2026 pipeline failure near Willow River, Minnesota. See CAO for more details.
Notice of Limited Enforcement Discretion and Statement of Policy for Issuing Special Permits in Response to National Energy Emergency
On January 20, 2025, the President of the United States signed Executive Order 14156, “Declaring a National Energy Emergency,” 90 FR 8353 (Jan. 29, 2025) (E.O. 14156), declaring a national energy emergency and directing the heads of executive...