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PHMSA is revising the Federal Pipeline Safety Regulations applicable to most newly constructed and entirely replaced onshore gas transmission, and hazardous liquid pipelines with diameters of 6 inches or greater. In the revised regulations, PHMSA requires operators of these lines to install...
As required by an amended Corrective Action Order (ACAO) following the December 2022 failure of its Keystone pipeline and a release of almost 13,000 barrels of crude oil near Washington, KS, TC Oil Pipeline Operations, Inc. has submitted a Root Cause Failure Analysis to PHMSA and a redacted copy...
The Onshore Gas Gathering FAQs for Type C and Type R Pipelines include general guidance on gas gathering and specific guidance on requirements applicable to Type C and Type R gathering lines.
The Onshore Gas Gathering FAQs for Type C and Type R Pipelines include general guidance on gas gathering and specific guidance on requirements applicable to Type C and Type R gathering lines.
PHMSA Tier 2 Site Specific Environmental Assessment PDF
PHMSA Webinar: Best Practices for Submitting an NGDISM Grant Application (May 1, 2023)
The Pipeline and Hazardous Materials Safety Administration, Office of Pipeline Safety, provides technical information on selected pipeline safety topics. This information is oriented primarily toward operators to provide information useful for complying with the pipeline safety regulations; however, all stakeholders may find this material informative. This site is updated as needed to reflect new developments or to include information pertinent to these topics.
This is in response to your November 29, 2021 Application for Renewal of DOT-SP 20534, which was issued by the Pipeline and Hazardous Materials Safety Administration (PHMSA) on December 5, 2019 and expired by its terms on November 30, 2021.1 In accordance with 49 CFR 107.113(e) and (g), PHMSA...
PHMSA published a Safety Advisory Notice on the "Transportation of Electric Vehicles Containing Lithium Batteries Damaged by Extreme Weather Events" to serve as a reminder of PHMSA's current requirements under the Hazardous Materials Regulations for transport and shipment of electric vehicles...