"MAGELLAN PIPELINE COMPANY, LP"
hazardous_liquid Incident — — April 28, 2025
Incident Information
| Incident Date | April 28, 2025 |
| Operator | "MAGELLAN PIPELINE COMPANY, LP" |
| Commodity | REFINED AND/OR PETROLEUM PRODUCT (NON-HVL) WHICH IS A LIQUID |
| Pipeline Type | hazardous_liquid |
Location
| State | |
| Coordinates | 43.49100, -96.75884 |
Cause
| Cause | EQUIPMENT FAILURE |
| Subcause | NON-THREADED CONNECTION FAILURE |
Casualties
| Fatalities | 0 |
| Injuries | 0 |
Costs
| Property Damage | $0 |
| Emergency Response | $5,000 |
| Other Costs | $0 |
Location Map
Incident Narrative
"AT APPROXIMATELY 10:45 ON 4/28/25 THE SIOUX FALLS OPERATIONS SUPERVISOR WAS CONTACTED ABOUT A POSSIBLE LEAK AT THE SIOUX FALLS SOUTH INTERFACE DETECTOR SITE. AT APPROXIMATELY 11:00 PERSONNEL ARRIVED ONSITE AND IDENTIFIED THE LEAK COMING FROM THE BODY WEEP HOLE ON THE IFD. AT 11:16 AN ABSORBENT WAS SECURED AROUND THE LEAK AND A TUB PLACED BELOW TO PROVIDE ADDITIONAL CONTAINMENT. AT 12:23 THE BLOCK VALVE AT MP344 WAS CLOSED. AT 13:18 THE BLOCK VALVE AT MP333 WAS CLOSED. AT APPROXIMATELY 14:20 PRESSURE HAD BEEN BLED OFF THE ISOLATED LINE SECTION, STOPPING THE RELEASE. UPON FURTHER EXAMINATION IT WAS DISCOVERED AN O-RING IN THE BODY OF THE INTERFACE DETECTOR FAILED ALLOWING PRODUCT TO SEEP PAST. THE INTERFACE DETECTOR WAS REMOVED FROM THE FLANGE AND A BLIND INSTALLED IN ITS PLACE."
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.