Browse Pipeline Incidents

163 incidents.

PHMSA Pipeline Incident Database

Browse 163 pipeline incidents reported to PHMSA. Each record includes the operator, pipeline type, cause, casualties, and property damage. Use the filters below to narrow results by state, pipeline type, cause, or keyword.

DateOperatorStateTypeCauseFatalitiesInjuriesDamage ($)
Oct 22, 2025 MARATHON PIPE LINE LLC hazardous_liquid CORROSION FAILURE 0 0 $3,500
Aug 19, 2025 MARATHON PIPE LINE LLC hazardous_liquid CORROSION FAILURE 0 0 $15,000
Jun 26, 2025 MARATHON PIPE LINE LLC hazardous_liquid OTHER OUTSIDE FORCE DAMAGE 0 0 $100,000
May 31, 2025 MARATHON PIPE LINE LLC hazardous_liquid INCORRECT OPERATION 0 0 $500
Apr 1, 2025 MARATHON PIPE LINE LLC hazardous_liquid EQUIPMENT FAILURE 0 0 $17,720
Jan 29, 2025 MARATHON PIPE LINE LLC hazardous_liquid EQUIPMENT FAILURE 0 0 $7,500
Jan 28, 2025 MARATHON PIPE LINE LLC hazardous_liquid EQUIPMENT FAILURE 0 0 $300,000
Dec 9, 2024 MARATHON PIPE LINE LLC hazardous_liquid EQUIPMENT FAILURE 0 0 $595,000
May 21, 2024 MARATHON PIPE LINE LLC hazardous_liquid CORROSION FAILURE 0 0 $34,700
May 19, 2024 MARATHON PIPE LINE LLC hazardous_liquid INCORRECT OPERATION 0 0 $0
May 7, 2024 MARATHON PIPE LINE LLC hazardous_liquid CORROSION FAILURE 0 0 $15,654
Apr 16, 2024 MARATHON PIPE LINE LLC hazardous_liquid OTHER ACCIDENT CAUSE 0 0 $0
Apr 1, 2024 MARATHON PIPE LINE LLC hazardous_liquid CORROSION FAILURE 0 0 $4,800
Feb 28, 2024 MARATHON PIPE LINE LLC hazardous_liquid EQUIPMENT FAILURE 0 0 $5,000
Feb 14, 2024 MARATHON PIPE LINE LLC hazardous_liquid MATERIAL FAILURE OF PIPE OR WELD 0 0 $75,102
Dec 5, 2023 MARATHON PIPE LINE LLC hazardous_liquid EQUIPMENT FAILURE 0 0 $0
Aug 2, 2023 MARATHON PIPE LINE LLC hazardous_liquid CORROSION FAILURE 0 0 $3,200
Jul 26, 2023 MARATHON PIPE LINE LLC hazardous_liquid CORROSION FAILURE 0 0 $4,013
Jul 15, 2023 MARATHON PIPE LINE LLC hazardous_liquid INCORRECT OPERATION 0 0 $0
Jul 13, 2023 MARATHON PIPE LINE LLC hazardous_liquid OTHER OUTSIDE FORCE DAMAGE 0 0 $138,647
Jul 10, 2023 MARATHON PIPE LINE LLC hazardous_liquid INCORRECT OPERATION 0 0 $0
Jun 10, 2023 MARATHON PIPE LINE LLC hazardous_liquid EQUIPMENT FAILURE 0 0 $60
May 22, 2023 MARATHON PIPE LINE LLC hazardous_liquid CORROSION FAILURE 0 0 $32,620
May 19, 2023 MARATHON PIPE LINE LLC hazardous_liquid CORROSION FAILURE 0 0 $17,140
May 4, 2023 MARATHON PIPE LINE LLC hazardous_liquid INCORRECT OPERATION 0 0 $369
Mar 28, 2023 MARATHON PIPE LINE LLC hazardous_liquid CORROSION FAILURE 0 0 $6,665
Sep 25, 2022 MARATHON PIPE LINE LLC hazardous_liquid MATERIAL FAILURE OF PIPE OR WELD 0 0 $80,000
Jun 27, 2022 MARATHON PIPE LINE LLC hazardous_liquid EQUIPMENT FAILURE 0 0 $0
May 24, 2022 MARATHON PIPE LINE LLC hazardous_liquid EQUIPMENT FAILURE 0 0 $5,000
May 16, 2022 MARATHON PIPE LINE LLC hazardous_liquid CORROSION FAILURE 0 0 $3,000
Apr 30, 2022 MARATHON PIPE LINE LLC hazardous_liquid OTHER OUTSIDE FORCE DAMAGE 0 0 $33,000
Apr 12, 2022 MARATHON PIPE LINE LLC hazardous_liquid NATURAL FORCE DAMAGE 0 0 $170,000
Mar 11, 2022 MARATHON PIPE LINE LLC hazardous_liquid NATURAL FORCE DAMAGE 0 0 $1,862,000
Dec 8, 2021 MARATHON PIPE LINE LLC hazardous_liquid CORROSION FAILURE 0 0 $90,425
Dec 4, 2021 MARATHON PIPE LINE LLC hazardous_liquid MATERIAL FAILURE OF PIPE OR WELD 0 0 $312,000
Nov 11, 2021 MARATHON PIPE LINE LLC hazardous_liquid EQUIPMENT FAILURE 0 0 $2,200
Nov 8, 2021 MARATHON PIPE LINE LLC hazardous_liquid OTHER ACCIDENT CAUSE 0 0 $70,974
Sep 9, 2021 MARATHON PIPE LINE LLC hazardous_liquid INCORRECT OPERATION 0 0 $510
Aug 30, 2021 MARATHON PIPE LINE LLC hazardous_liquid NATURAL FORCE DAMAGE 0 0 $0
Jul 22, 2021 MARATHON PIPE LINE LLC hazardous_liquid INCORRECT OPERATION 0 0 $0
Jul 22, 2021 MARATHON PIPE LINE LLC hazardous_liquid CORROSION FAILURE 0 0 $40,000
Jul 14, 2021 MARATHON PIPE LINE LLC hazardous_liquid EXCAVATION DAMAGE 0 0 $130,000
Jul 6, 2021 MARATHON PIPE LINE LLC hazardous_liquid CORROSION FAILURE 0 0 $58,817
Feb 23, 2021 MARATHON PIPE LINE LLC hazardous_liquid NATURAL FORCE DAMAGE 0 0 $75,000
Jan 27, 2021 MARATHON PIPE LINE LLC hazardous_liquid CORROSION FAILURE 0 0 $39,160
Dec 9, 2020 MARATHON PIPE LINE LLC hazardous_liquid EXCAVATION DAMAGE 0 0 $347,000
Sep 27, 2020 MARATHON PIPE LINE LLC hazardous_liquid EQUIPMENT FAILURE 0 0 $103,000
Jul 2, 2020 MARATHON PIPE LINE LLC hazardous_liquid CORROSION FAILURE 0 0 $10,827
Mar 5, 2020 MARATHON PIPE LINE LLC hazardous_liquid INCORRECT OPERATION 0 0 $1,086
Mar 2, 2020 MARATHON PIPE LINE LLC hazardous_liquid CORROSION FAILURE 0 0 $126,000

Frequently Asked Questions

PHMSA requires operators to report incidents involving a fatality, an injury requiring hospitalization, property damage of $122,000 or more (adjusted periodically), highly volatile liquid releases of 5 barrels or more, other liquid releases of 50 barrels or more, or any unintentional release of gas resulting in an event meeting certain criteria.

The Damage column shows the reported property damage for each incident. This can include damage to the pipeline itself, nearby structures, vehicles, and other property. Additional costs such as lost commodity, environmental remediation, and emergency response are tracked separately and shown on each incident's detail page.

Yes. Use the search field above to filter incidents by operator name. The search matches partial names, so searching for "Pacific Gas" will find all variations of that operator's reported name.