MARATHON PIPE LINE LLC

hazardous_liquid Incident —

Incident Information

Report Date
OperatorMARATHON PIPE LINE LLC
Commodity—
Pipeline Typehazardous_liquid

Location

State
Coordinates29.25755, -95.13693

Cause

CauseOTHER OUTSIDE FORCE DAMAGE
Subcause—

Casualties

Fatalities0
Injuries0

Costs

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

Location Map

Incident Narrative

ON 7/13/23 AT 14:00 CST, MARATHON PIPELINE WAS NOTIFIED OF A THIRD-PARTY FIRE AT A SHARED BLOCK VALVE SITE. THE MPL BLOCK VALVE IS LOCATED APPROXIMATELY 15 FT FROM THE THIRD-PARTY VALVE THAT WAS ON FIRE. INITIAL RESPONDERS WERE UNABLE TO GET CLOSE ENOUGH TO MPL ASSETS TO DETERMINE IF THEY WERE AFFECTED AS WELL. AT APPROXIMATELY 19:15 CST, IT WAS DETERMINED THAT MPL ASSETS WERE ALSO ON FIRE. THE CAUSE OF THE FIRE ON THE MPL ASSETS WAS DUE THE EXTREME HEAT FROM THE THIRD-PARTY FIRE DAMAGING THE VALVE COMPONENTS, CAUSING THEM TO FAIL. SUPPLEMENTAL FILED TO FINALIZE REPORT.

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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