ENBRIDGE ENERGY, LIMITED PARTNERSHIP

hazardous_liquid Incident —

Incident Information

Report Date
OperatorENBRIDGE ENERGY, LIMITED PARTNERSHIP
Commodity—
Pipeline Typehazardous_liquid

Location

State
Coordinates46.68889, -92.05972

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 MAY 24 AT APPROXIMATELY 11:15 AM WHILE COMPLETING ROUTINE INSPECTIONS, THE MECHANICAL TECHNICIAN DISCOVERED OIL COMING FROM THE MIXER ON TANK 16 AT THE SUPERIOR TERMINAL. THE TANK OIL LEVEL WAS ABOVE MIXER MAN WAY WHEN THE OIL WAS FOUND TO BE DRIPPING FROM THE MIXER. THE TANK WAS DRAINED TO WORKING BOTTOMS TO ALLOW FURTHER INVESTIGATION AND REPAIRS. IT WAS FOUND THAT THE SEAL ON THE MIXER HAD FAILED. THE TANK WAS TAKEN OUT OF SERVICE UNTIL THE FOLLOWING DAY WHEN THE MIXER SEAL WAS REPLACED. APPROXIMATELY 14 TONS OF CONTAMINATED SOIL WAS REMOVED FROM RELEASE SITE AND DISPOSED OF AT AN APPROVED LANDFILL.

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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