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 SEPTEMBER 25, 2011 AT APPROXIMATELY 6:45 PM LOCAL TIME, SUPERIOR TERMINAL STAFF DISCOVERED OIL LEAKING FROM LINE 14 MAINLINE BOOSTER PUMP 143. THE CONTROL CENTER WAS IMMEDIATELY NOTIFIED. FIELD PERSONNEL REMAINED ON SITE WHILE THE CONTROL CENTER OPERATOR ISOLATED PUMP 143 AND MONITORED FLOW TRANSFER TO ANOTHER LINE 14 BOOSTER PUMP. APPROXIMATELY 15 BARRELS OF OIL LEAKED IN THE PUMP AREA. FURTHER INVESTIGATION IDENTIFIED THE SEAL ON BOOSTER PUMP 143 HAD FAILED. AFTER REPLACING THE SEAL ON SEPTEMBER 25, THE PUMP WAS PUT BACK INTO SERVICE. CLEAN UP OPERATIONS ARE BEING COMPLETED UNDER THE WI DNR OVERSIGHT.

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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