EL PASO NATURAL GAS CO
gas_transmission Incident — — November 1, 2025
Incident Information
| Incident Date | November 1, 2025 |
| Operator | EL PASO NATURAL GAS CO |
| Commodity | NATURAL GAS |
| Pipeline Type | gas_transmission |
Location
| State | |
| Coordinates | 35.30609, -112.06029 |
Cause
| Cause | EQUIPMENT FAILURE |
| Subcause | MALFUNCTION OF CONTROL/RELIEF EQUIPMENT |
Casualties
| Fatalities | 0 |
| Injuries | 0 |
Costs
| Property Damage | $100 |
| Emergency Response | $100 |
| Other Costs | $0 |
Location Map
Incident Narrative
"AT APPROXIMATELY 21:00 ON 11/01/2025, WILLIAMS STATION B PLANT INITIATED AN ESD DUE TO A FAULTED PROCESSOR ON THE SAFETY PLC. DUE TO MAINLINE PRESSURE VENTING FOR APPROXIMATELY 56 MINUTES, PRIOR TO TECHNICIANS ARRIVING ON-SITE AND MANUALLY CLOSING VALVES, THE RESULT WAS A RELEASE OF 3924 MCF OF NATURAL GAS MEETING REGULATORY REPORTING CRITERIA. THE ESD SYSTEM DID NOT FUNCTION AS INTENDED. IT TOOK ONE HOUR FOR TECHNICIANS TO RESET THE FAULTED SAFETY PLC AND MAKE STATION AVAILABLE TO GAS CONTROL. PRELIMINARY INDICATIONS WERE A BATTERY CHARGER FAILED. FURTHER INVESTIGATION CONCLUDED THE PRIMARY CAUSE OF THE ESD WAS THE FAULT ON THE SAFETY PLC PROCESSOR. A CONTRIBUTING FACTOR WAS BOTH THE SUCTION AND DISCHARGE VALVE POWER GAS PILOT VALVES WERE IN THE CLOSED POSITION NOT ALLOWING THE VALVES TO CLOSE. NO EMERGENCY RESPONDERS WERE INVOLVED. NO CUSTOMERS WERE AFFECTED. THE ARIZONA CORPORATION COMMISSION MADE AN ANNOUNCED VISIT TO FLAGSTAFF AREA OFFICE AND WILLIAMS STATION ON 11/3/2025 TO INVESTIGATE THE EVENT."
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.