"ENBRIDGE ENERGY, LIMITED PARTNERSHIP"

hazardous_liquid Incident — — March 23, 2018

Incident Information

Incident DateMarch 23, 2018
Operator"ENBRIDGE ENERGY, LIMITED PARTNERSHIP"
CommodityCRUDE OIL
Pipeline Typehazardous_liquid

Location

State
Coordinates46.68591, -92.06216

Cause

CauseEQUIPMENT FAILURE
SubcauseNON-THREADED CONNECTION FAILURE

Casualties

Fatalities0
Injuries0

Costs

Property Damage$566
Emergency Response$5,000
Other Costs$0

Location Map

Incident Narrative

"ON MARCH 23, 2018 AT 1:45 PM LOCAL TIME, APPROXIMATELY TWO BARRELS OF CRUDE OIL WAS DISCOVERED ON THE WEST SIDE OF THE TANK 21 PAD AREA BY ENBRIDGE PERSONNEL AT THE SUPERIOR TERMINAL. THE EDMONTON CONTROL CENTER WAS CONTACTED AND THE TANK LINE WAS SHUT DOWN. SUPERIOR PIPELINE MAINTENANCE PERSONNEL WERE DISPATCHED TO BEGIN CLEAN UP AND INVESTIGATE THE SOURCE OF THE RELEASE. AFTER FURTHER EXCAVATION, THE SOURCE OF THE RELEASE WAS IDENTIFIED AS A BURIED FLANGE ON THE TANK LINE PIPING. THE BOLTS ON THE FLANGE WERE RE-TORQUED, AND THE LINE WAS RESTARTED LATER THAT EVENING. THE AREA WAS MONITORED TO CONFIRM THE LEAK WAS REPAIRED. APPROXIMATELY 13 CUBIC YARDS OF CONTAMINATED SOIL WAS REMOVED AND WILL BE TREATED AT THE SOIL MANAGEMENT SITE AT THE SUPERIOR TERMINAL."

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.

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