ENBRIDGE ENERGY, LIMITED PARTNERSHIP

hazardous_liquid Incident —

Incident Information

Report Date
OperatorENBRIDGE ENERGY, LIMITED PARTNERSHIP
Commodity—
Pipeline Typehazardous_liquid

Location

State
Coordinates46.35992, -89.50680

Cause

CauseEQUIPMENT FAILURE
Subcause—

Casualties

Fatalities0
Injuries0

Costs

Property Damage
Lost Commodity
Public/Private Damage
Emergency Response
Environmental Remediation
Other Costs

Location Map

Incident Narrative

ON MARCH 5 AT APPROXIMATELY 3:15 CST, WHILE REVIEWING AN ENGINEERING PROJECT AT THE GOGEBIC STATION, TWO ENBRIDGE PERSONNEL DISCOVERED APPROXIMATELY 8 GALLONS OF CRUDE OIL IN/AROUND THE LINE 5 UNIT 1 DISCHARGE VALVE. THE EDMONTON CONTROL CENTER WAS IMMEDIATELY CONTACTED, LINE 5 UNIT 1 WAS LOCKED OUT AND THE DECISION MADE TO BYPASS THE GOGEBIC STATION. ESCANABA PLM WAS DISPATCHED TO INVESTIGATE THE FAILURE, DETERMINE NECESSARY REPAIRS, AND BEGIN CLEANUP. IT WAS DETERMINED THAT THE STEM SEAL FAILED DUE TO NORMAL WEAR AND TEAR. ONCE THE STEM SEAL WAS REPLACED FRIDAY MARCH 6, GOGEBIC STATION WAS RETURNED TO NORMAL OPERATION. LESS THAN ONE CUBIC YARD OF CONTAMINATED SOIL WAS DISPOSED OF AT 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.

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