SOUTHERN CALIFORNIA GAS CO
gas_transmission Incident — — November 1, 2025
Incident Information
| Incident Date | November 1, 2025 |
| Operator | SOUTHERN CALIFORNIA GAS CO |
| Commodity | NATURAL GAS |
| Pipeline Type | gas_transmission |
Location
| State | |
| Coordinates | 34.25029, -118.51788 |
Cause
| Cause | EQUIPMENT FAILURE |
| Subcause | NON-THREADED CONNECTION FAILURE |
Casualties
| Fatalities | 0 |
| Injuries | 0 |
Costs
| Property Damage | $1,400,000 |
| Emergency Response | $200,000 |
| Other Costs | $0 |
Location Map
Incident Narrative
"UPDATE AS OF 12/19/2025 PER PHMSA'S GUIDANCE, UPDATES HAVE BEEN MADE TO SECTIONS A4, A13, AND A18 TO ALIGN WITH CORRECT RESPONSE TIMES. ALSO, SECTION G WAS UPDATED TO SELECT G6 AS THE APPROPRIATE CAUSE. UPDATE AS OF 12/11/2025 SUBMITTING A SUPPLEMENTAL/FINAL REPORT TO ADDRESS THE REMAINING PENDING ITEMS. ITEM E1A WAS LEFT AS ZERO BECAUSE THE NEAREST READING POINT WAS OFF-LINE DUE TO AN ONGOING PROJECT IN THE SEGMENT OVER. THIS COMPLETES THE REPORT FOR THIS INCIDENT. ON NOVEMBER 1, 2025, SOCALGAS PERSONNEL RESPONDED TO A REPORTED NATURAL GAS RELEASE AT 17600 LASSEN STREET, NORTHRIDGE, CALIFORNIA (ZIP 91325). UPON INVESTIGATION, CREWS IDENTIFIED A LEAK ORIGINATING FROM A TRANSMISSION VALVE STEM. THE AFFECTED PIPELINE SEGMENT WAS ISOLATED ON NOVEMBER 2, 2025, AT 13:21 AND REPAIRS ON THE VALVE HAVE BEEN COMPLETED. NO INJURIES, FATALITIES, OR FIRES OCCURRED AS A RESULT OF THIS INCIDENT. THE EVENT WAS REPORTED TO THE DOT AND THE CPUC BECAUSE INCIDENT-RELATED COSTS EXCEEDED THE FEDERAL REPORTING THRESHOLD OF $149,700 DUE TO HAVING TO REPLACE THE VALVE."
About This Pipeline Incident
Pipeline incident data is reported to the Pipeline and Hazardous Materials Safety Administration (PHMSA). All significant incidents involving fatalities, injuries, or property damage over $50,000 must be reported.