Pipeline Materials

PHMSA currently collects reports from pipeline operators by material categories. These categories include cast/wrought iron, steel, and plastic. Cast or wrought iron pipelines were used from the early days of energy transportation through the 1940s. These pipelines are among the oldest energy...

LNG Operator Resources

PHMSA held a webinar to explain reporting requirements for LNG operators. Here is a link to the webinar.

Operator Registry Notification is used by operators to obtain new Operator Identification...

LNG Webinar Questions

LNG Community Awareness

Federal pipeline safety regulations require that LNG facility operators communicate, coordinate, and cooperate with local public officials regarding preparation for emergency evacuation plans, providing mutual assistance in the event of emergencies, and keeping them advised of LNG plant fire-...

LNG Data and Maps

To download LNG incident data, please visit the general accident and incident data page.

Title 49 of the Code of Federal Regulations (49 CFR Parts 191, 195) requires pipeline operators to submit incident reports within 30 days of a pipeline incident or...

LNG Regulatory Documents

Depending on location and use, an LNG facility may be regulated by several federal agencies, primarily the Federal Energy Regulatory Commission (FERC), the U.S. Coast Guard (USCG), and PHMSA, and by state utility regulatory agencies.

U.S. LNG import...

1978 Memorandum of Understanding Between USCG and MTB on Waterfront LNG Facilities

To avoid duplication of regulatory efforts regarding waterfront LNG facilities and to maximize the exchange of relevant information.

1985 Memorandum of Understanding Between DOT and FERC Regarding LNG Facilities

Provides guidance and policy for their respective technical staffs and the regulated pipeline industry regarding the execution of the agencies respective statutory responsibilities to assure the safe siting, design, construction, operation, and maintenance of fixed LNG facilities.

1986 Memorandum of Understanding Between USCG and RSPA on Waterfront LNG

To avoid duplication of regulatory efforts regarding waterfront LNG facilities and to maximize the exchange of relevant information.

2004 PHMSA Interagency Agreement Liquefied Natural Gas

To ensure each participating agency works in a coordinated manner to address issues regarding safety and security at waterfront LNG facilities, to avoid duplication of effort, and to maximize the exchange of relevant information.