MARATHON PIPE LINE LLC
hazardous_liquid Incident — — August 19, 2025
Incident Information
| Incident Date | August 19, 2025 |
| Operator | MARATHON PIPE LINE LLC |
| Commodity | CRUDE OIL |
| Pipeline Type | hazardous_liquid |
Location
| State | |
| Coordinates | 41.15009, -107.66585 |
Cause
| Cause | CORROSION FAILURE |
| Subcause | INTERNAL CORROSION |
Casualties
| Fatalities | 0 |
| Injuries | 0 |
Costs
| Property Damage | $15,000 |
| Emergency Response | $15,400 |
| Other Costs | $0 |
Location Map
Incident Narrative
"AT APPROXIMATELY 8:15 A.M., A CONTRACTOR CREW WAS PERFORMING SANDBLASTING ACTIVITIES DURING A REHABILITATION DIG ON THE BAGGS TO WAMSUTTER 10"" CRUDE PIPELINE TO PREPARE THE PIPE SURFACE FOR NON-DESTRUCTIVE EXAMINATION (NDE). DURING THE BLASTING PROCESS, THE BLAST MEDIA COMPROMISED THE PIPE WALL NEAR THE SIX O'CLOCK POSITION AT A GIRTH WELD, RESULTING IN A CRUDE OIL RELEASE INTO THE TRENCH. THE PIPE BEGAN TO SEEP DURING THE SANDBLASTING ACTIVITY. REPAIR WAS MADE WITH A PLIDCO. TOOL RUN TECHNOLOGY NOTE (FOR PART F): THE MOST RECENT AND PREVIOUS AXIAL MAGNETIC FLUX LEAKAGE (MFL) TOOL RUNS WERE ATTUNED TO DETECT BOTH METAL LOSS AND GIRTH WELD ANOMALIES. PART J DOES NOT PROVIDE A FIELD TO INDICATE MULTI-ANOMALY DETECTION."
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.