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Browse Pipeline Incidents

21 incidents in AZ.

PHMSA Pipeline Incident Database

Browse 21 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 ($)
Apr 15, 2024 SOUTHWEST GAS CORP AZ gas_distribution OTHER OUTSIDE FORCE DAMAGE 0 0 —
Aug 26, 2021 SOUTHWEST GAS CORP AZ gas_distribution PIPE, WELD, OR JOINT FAILURE 0 4 —
Feb 28, 2021 SOUTHWEST GAS CORP AZ gas_distribution OTHER OUTSIDE FORCE DAMAGE 0 0 —
Sep 29, 2019 SOUTHWEST GAS CORP AZ gas_distribution OTHER OUTSIDE FORCE DAMAGE 0 0 —
Jul 2, 2019 SOUTHWEST GAS CORP AZ gas_distribution EXCAVATION DAMAGE 0 0 —
Feb 8, 2019 SOUTHWEST GAS CORP AZ gas_distribution EXCAVATION DAMAGE 0 0 —
Dec 20, 2017 SOUTHWEST GAS CORP AZ gas_distribution EXCAVATION DAMAGE 0 0 —
Jul 7, 2017 SOUTHWEST GAS CORP AZ gas_distribution OTHER OUTSIDE FORCE DAMAGE 0 0 —
Jun 7, 2017 SOUTHWEST GAS CORP AZ gas_distribution OTHER OUTSIDE FORCE DAMAGE 0 0 —
May 5, 2017 SOUTHWEST GAS CORP AZ gas_distribution OTHER OUTSIDE FORCE DAMAGE 0 0 —
Apr 22, 2017 UNISOURCE ENERGY SERVICES AZ gas_distribution OTHER OUTSIDE FORCE DAMAGE 0 0 —
Nov 5, 2016 ALLIANT GAS AZ gas_distribution NATURAL FORCE DAMAGE 0 1 —
Dec 16, 2015 GRAHAM COUNTY UTIL INC AZ gas_distribution EQUIPMENT FAILURE 0 0 —
Dec 28, 2014 SOUTHWEST GAS CORP AZ gas_distribution OTHER OUTSIDE FORCE DAMAGE 0 0 —
Jun 2, 2014 SOUTHWEST GAS CORP AZ gas_distribution OTHER OUTSIDE FORCE DAMAGE 0 0 —
Feb 9, 2014 SOUTHWEST GAS CORP AZ gas_distribution PIPE, WELD, OR JOINT FAILURE 0 1 —
Oct 18, 2013 AMERIGAS PROPANE LP AZ gas_distribution OTHER OUTSIDE FORCE DAMAGE 0 0 —
Oct 16, 2013 SOUTHWEST GAS CORP AZ gas_distribution EXCAVATION DAMAGE 0 2 —
Aug 5, 2013 UNISOURCE ENERGY SERVICES AZ gas_distribution OTHER OUTSIDE FORCE DAMAGE 0 1 —
Feb 22, 2010 UNISOURCE ENERGY SERVICES AZ gas_distribution NATURAL FORCE DAMAGE 0 0 —
Feb 4, 2010 SEMSTREAM ARIZONA PROPANE LLC AZ gas_distribution EXCAVATION DAMAGE 0 0 —

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.