ENBRIDGE PIPELINES (NORTH DAKOTA) LLC

hazardous_liquid Incident — — March 1, 2010

Incident Information

Incident DateMarch 1, 2010
OperatorENBRIDGE PIPELINES (NORTH DAKOTA) LLC
CommodityCRUDE OIL
Pipeline Typehazardous_liquid

Location

State
Coordinates47.68857, -95.41732

Cause

CauseINCORRECT OPERATION
Subcause"TANK, VESSEL, OR SUMP/SEPARATOR ALLOWED OR CAUSED TO OVERFILL OR OVERFLOW"

Casualties

Fatalities0
Injuries0

Costs

Property Damage$0
Emergency Response$0
Other Costs$16,000

Location Map

Incident Narrative

"DURING A DELIVERY TO ENBRIDGE, INC. AT CLEARBROOK, MINNESOTA, IT IS SUSPECTED THE EDMONTON CONTROL CENTRE OPERATOR INADVERTENTLY TRANSITIONED A DELIVERY VALVE WHICH INCREASED EPND'S DELIVERY PRESSURE SUCH THAT THE RELIEF SYSTEM ACTIVATED AND ALSO ACTIVATED THERMAL RELIEFS WHICH OVERFILLED THE ONSITE SUMP. OIL WAS RELEASED THROUGH THE VENT ON THE SUMP AS WELL AS BACK FLOW IN METER BUILDING DRAIN SYSTEM. ESTIMATED VOLUME OUT IS THREE (3) BARRELS. RELEASED OIL WAS RECOVERED/REMOVED IN CONTAMINATED SOIL WHICH WAS HAULED TO AN APPROVED DISPOSAL SITE."

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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