The CPUC conducts investigations of all natural gas transmission and distribution U.S. Department of Transportation (DOT)-reportable incidents. An incident is deemed DOT-reportable if it meets any of the criteria defined in Title 49 Code of Federal Regulations Part 191.3. Information regarding DOT-reportable incidents and the investigation reports can be found on this page beginning with incidents in 2020.

For data regarding DOT-reportable incidents prior to 2020, please review and follow the instructions on the U.S. DOT Pipeline and Hazardous Materials Safety Administration (PHMSA) website.

For CPUC incident investigation reports regarding incidents prior to 2020, please submit a Public Records Act (PRA) Request

Incident Date Operator Facility Location Nature/Cause Incident Investigation Report
 3/20/2025  SoCalGas  Main  San Jacinto Excavation Damage G20250320-3827 
 8/15/2024  PG&E  Transmission  Castroville Excavation Damage G20240815-3724
 7/10/2024  PG&E  Transmission  Avenal Incorrect Operation G20240710-3702 
 3/29/2024  SoCalGas  Main  Palmdale Excavation Damage G20240330-3681 
 3/24/2024  SoCalGas  Transmission  Ventura Natural Force Damage G20240324-3678 
 2/24/2024  SoCalGas  Customer Meter   Lake Arrowhead All Other Causes  G20240531-3691 
12/16/2023  SoCalGas  Main  Burbank Material / Weld / Equipment G20231216-3638 
10/13/2023   SoCalGas  Main  Walnut Excavation Damage  G20231013-3613 
 9/26/2023  SoCalGas  Main  South Gate Excavation Damage  G20230926-3601 
 8/30/2023  SoCalGas  Transmission  Lemoore Excavation Damage  G20230830-3591
 8/21/2023  SoCalGas  Main  Desert Hot Springs  Other Outside Force Damage  G20230821-3588 
 8/21/2023  SoCalGas  Main  Desert Hot Springs Other Outside Force Damage  G20230821-3587 
 7/14/2023  SoCalGas  Main  Sierra Madre Other Outside Force Damage G20230714-3571
 6/8/2023  PG&E  Main  Santa Clara Incorrect Operations G20230608-3539
 4/1/2023  AmeriGas  Customer Meter,  Service Line, & Other  Mammoth Lake All Other Causes  G20230401-3520 
 3/1/2023   AmeriGas  Other  Bridgeport Natural Force Damage  G20230302-3503 
 1/5/2023  PG&E  Main  San Pablo Other Outside Force Damage  G20230106-3477
 6/7/2022  SoCalGas  Main  Commerce Incorrect Operations G20220607-3387
 6/13/2022  PG&E  Transmission  San Joaquin Excavation Damage G20220613-3390
 7/30/2022  SoCalGas  Service Line  Upland Other Outside Force Damage G20220730-3412
 9/2/2022  SoCalGas  Transmission  Castaic Other Outside Force Damage G20220902-3423
 10/8/2022  PG&E  Service Line  Sacramento Facility Failure G20221008-3443 
 11/16/2022  PG&E  Main  Concord Excavation Damage G20221116-3460
 1/9/2021  SoCalGas  Main  Los Angeles Excavation Damage G20210109-3164
 1/27/2021  PG&E  Service Line  Carmichael Other Outside Force Damage  G20210127-3173
 2/10/2021  SoCalGas  Main  Woodland Hills Excavation Damage  G20210211-3178
 2/16/2021  PG&E  Transmission  Bakersfield Other Outside Force Damage  G20210217-3179
 3/16/2021  SoCalGas  Transmission  Studio City Excavation Damage  G20210316-3187
 4/16/2021  PG&E  Transmission  Isleton Excavation Damage  G20210416-3211
 4/22/2021  SoCalGas  Main  Downey Excavation Damage  G20210422-3214
 4/29/2021  SoCalGas  Main  Santa Monica Excavation Damage  G20210429-3215
 8/25/2021  PG&E  Main  San Jose Excavation Damage  G20210825-3258
 10/17/2021  PG&E  Service Line  Salinas Excavation Damage  G20211017-3289
 8/2/2020  SoCalGas  Main  Santa Monica Other Outside Force Damage  G20200802-3092
 8/1/2020  SoCalGas  Service Riser, Customer Meter  Cambria Other Outside Force Damage  G20200801-3091
 7/16/2020  SDG&E  Main  San Diego Excavation Damage  G20200716-3084
 5/20/2020  SoCalGas  Main  Los Angeles Excavation Damage  G20200520-3057
 5/14/2020  SoCalGas  Transmission  Wasco Excavation Damage  G20200514-3051
 5/8/2020  SoCalGas  Main  West Hollywood Excavation Damage  G20200508-3045
 5/5/2020  SoCalGas  Main, Service Line  Culter Other Outside Force Damage  G20200507-3044
 5/3/2020  SoCalGas  Customer Meter, Service Riser  Lancaster Other Outside Force Damage  G20200503-3034
 1/24/2020  SoCalGas  Other  Mira Loma Other Outside Force Damage  G20200124-2995
 1/21/2020  SoCalGas  Valve  Los Angeles All Other Causes  G20200121-2989
 1/17/2020  SoCalGas  Other  Exeter All Other Causes  G20200117-2986
 1/16/2020  SoCalGas  Service Line  Glendale All Other Causes  G20200116-2984
 1/14/2020  SoCalGas  Main  Los Angeles All Other Causes  G20200114-2978