Pipeline Incidents by Operator
Top pipeline operators by PHMSA-reported incident count, from 9,396 incidents across 866 operators.
Pipeline operators are required by federal law to report all significant incidents to the Pipeline and Hazardous Materials Safety Administration (PHMSA). Larger operators with more pipeline miles under operation naturally appear more frequently in incident data. A high incident count for an operator reflects both the scale of their operations and the historical performance of their system. Incident rates normalized per pipeline mile provide a more meaningful safety comparison between operators of different sizes.
Top Operators by Incident Count
Pipeline operators with the most PHMSA-reported incidents, with associated fatalities and injuries.
| # | Operator | Incidents | Fatalities | Injuries | Browse |
|---|---|---|---|---|---|
| 1 | ENTERPRISE CRUDE PIPELINE LLC | 407 | 0 | 2 | Browse |
| 2 | ENTERPRISE PRODUCTS OPERATING LLC | 401 | 6 | 13 | Browse |
| 3 | "PLAINS PIPELINE, L.P." | 294 | 0 | 0 | Browse |
| 4 | "MAGELLAN PIPELINE COMPANY, LP" | 277 | 0 | 0 | Browse |
| 5 | SUNOCO PIPELINE L.P. | 272 | 0 | 0 | Browse |
| 6 | COLONIAL PIPELINE CO | 251 | 2 | 4 | Browse |
| 7 | "BUCKEYE PARTNERS, LP" | 194 | 0 | 0 | Browse |
| 8 | PHILLIPS 66 PIPELINE LLC | 178 | 1 | 1 | Browse |
| 9 | "KINDER MORGAN LIQUID TERMINALS, LLC" | 170 | 0 | 0 | Browse |
| 10 | MARATHON PIPE LINE LLC | 163 | 0 | 0 | Browse |
| 11 | PACIFIC GAS & ELECTRIC CO | 148 | 15 | 82 | Browse |
| 12 | ENERGY TRANSFER COMPANY | 142 | 1 | 3 | Browse |
| 13 | "ENBRIDGE ENERGY, LIMITED PARTNERSHIP" | 126 | 2 | 3 | Browse |
| 14 | "ONEOK NGL PIPELINE, LLC" | 113 | 0 | 2 | Browse |
| 15 | "SHELL PIPELINE CO., L.P." | 110 | 0 | 0 | Browse |
| 16 | CONSUMERS ENERGY CO | 101 | 6 | 11 | Browse |
| 17 | SOUTHERN CALIFORNIA GAS CO | 96 | 5 | 17 | Browse |
| 18 | TENNESSEE GAS PIPELINE COMPANY | 95 | 0 | 0 | Browse |
| 19 | EXPLORER PIPELINE CO | 89 | 0 | 4 | Browse |
| 20 | NORTHERN NATURAL GAS CO | 84 | 0 | 2 | Browse |
| 21 | EXXONMOBIL PIPELINE CO | 79 | 0 | 3 | Browse |
| 22 | "COLUMBIA GAS TRANSMISSION, LLC" | 75 | 1 | 3 | Browse |
| 23 | TRANSCONTINENTAL GAS PIPE LINE COMPANY | 73 | 4 | 2 | Browse |
| 24 | "SFPP, LP" | 66 | 0 | 0 | Browse |
| 25 | DCP MIDSTREAM | 66 | 0 | 2 | Browse |
| 26 | ANR PIPELINE CO | 65 | 0 | 1 | Browse |
| 27 | "MAGELLAN TERMINALS HOLDINGS, LP" | 64 | 0 | 5 | Browse |
| 28 | "HOLLY ENERGY PARTNERS - OPERATING, L.P." | 63 | 0 | 0 | Browse |
| 29 | NUSTAR PIPELINE OPERATING PARTNERSHIP L.P. | 62 | 0 | 0 | Browse |
| 30 | CENTURION PIPELINE L.P. | 62 | 0 | 0 | Browse |
Fatality and injury counts reflect totals reported across all incidents attributed to that operator.
About PHMSA Pipeline Incident Reporting
What Must Be Reported
Federal regulations require pipeline operators to report incidents to PHMSA when they result in a death or hospitalization, release of hazardous liquid or gas that causes property damage above a threshold amount, an unintentional estimated cost of property damage of $50,000 or more, or any emergency shutdown of a liquefied natural gas facility. Operators must submit an initial report within 30 days of the incident and a final report within 30 days after concluding their investigation.
Regulatory Oversight
PHMSA oversees the safety of over 2.7 million miles of pipeline in the United States, including natural gas transmission and distribution lines, hazardous liquid pipelines, and LNG facilities. Operators are subject to federal safety regulations covering design, construction, operation, maintenance, and emergency response. PHMSA conducts inspections, reviews operator safety programs, and can impose civil penalties and corrective actions when violations are found. State pipeline safety programs assist with oversight of intrastate pipelines under agreements with PHMSA.
Explore Pipeline Safety Data
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