"ONEOK NGL PIPELINE, LLC"
hazardous_liquid Incident — — October 15, 2025
Incident Information
| Incident Date | October 15, 2025 |
| Operator | "ONEOK NGL PIPELINE, LLC" |
| Commodity | HVL OR OTHER FLAMMABLE OR TOXIC FLUID WHICH IS A GAS AT AMBI |
| Pipeline Type | hazardous_liquid |
Location
| State | |
| Coordinates | 37.38749, -97.86062 |
Cause
| Cause | EQUIPMENT FAILURE |
| Subcause | OTHER EQUIPMENT FAILURE |
Casualties
| Fatalities | 0 |
| Injuries | 0 |
Costs
| Property Damage | $20,000 |
| Emergency Response | $10,000 |
| Other Costs | $0 |
Location Map
Incident Narrative
"AT 13:48 ON 10/15/25, PCC WAS NOTIFIED BY FIELD PERSONNEL OF A LEAKING CHECK VALVE AT THE NORWICH VALVE SITE. THE PIPELINE SEGMENT WAS ISOLATED AND DE-INVENTORIED, AND THE CHECK VALVE WAS REPLACED. THE CAUSE OF THE CHECK VALVE LEAK IS STILL UNDER INVESTIGATION. A SUPPLEMENTAL REPORT WILL BE SUBMITTED ONCE THE INVESTIGATION IS COMPLETE. SUPPLEMENTAL: FURTHER ANALYSIS DETERMINED THAT THE CAUSE OF THE RELEASE WAS A CHECK VALVE OPERATOR O-RING THAT APPEARED TO BE PINCHED DURING ORIGINAL FACTORY INSTALLATION."
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.