NORTH DAKOTA PIPELINE COMPANY LLC
hazardous_liquid Incident —
Incident Information
| Report Date | — |
| Operator | NORTH DAKOTA PIPELINE COMPANY LLC |
| Commodity | — |
| Pipeline Type | hazardous_liquid |
Location
| State | |
| Coordinates | 48.01496, -98.01031 |
Cause
| Cause | MATERIAL FAILURE OF PIPE OR WELD |
| Subcause | — |
Casualties
| Fatalities | 0 |
| Injuries | 0 |
Costs
| Property Damage | — |
| Lost Commodity | — |
| Public/Private Damage | — |
| Emergency Response | — |
| Environmental Remediation | — |
| Other Costs | — |
Location Map
Incident Narrative
DURING AN INTEGRITY DIG, CONTRACTOR CREWS DISCOVERED CONTAMINATED SOIL. THE CONTROL CENTER WAS CONTACTED TO SHUT DOWN THE LINE WHICH WAS COMPLETED AT 15:28. ENBRIDGE EMPLOYEE CONFIRMED THE RELEASE AT 17:15. NOTIFICATION TO THE NRC OCCURRED AT 18:25. BASED ON THE IN-LINE INSPECTION CRACK TOOL RUN ON LINE 81, AN ANOMALY WAS DETECTED ON GW 151840 AS A CRACK-LIKE FEATURE, 0.08 - 0.12 INCHES DEEP AND 3.15 INCHES LONG ADJACENT TO THE LONG SEAM WELD. THE ANOMLAY WAS CONFIRMED TO BE A CRACK IN THE LONG SEAM WELD, THROUGH WALL AND 0.84 INCHES LONG. THE FEATURE WAS NOT REMOVED BUT SLEEVED. 6.44 TONS OF CONTAMINATED SOIL WAS REMOVED AND HAULED TO AN APPROVED DISPOSAL FACILITY.
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.