ENTERPRISE PRODUCTS OPERATING LLC

hazardous_liquid Incident —

Incident Information

Report Date
OperatorENTERPRISE PRODUCTS OPERATING LLC
Commodity—
Pipeline Typehazardous_liquid

Location

State
Coordinates29.91300, -94.00760

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 12/27/2022 AT 8:08 CST AN ENTERPRISE OPERATOR MAKING ROUNDS FOUND A BLEED VALVE AT PORT ARTHUR TERMINAL LEAKING DIESEL FUEL FROM A 3-INCH LOW POINT DRAIN ON THE P110 RELIEF SYSTEM. THE BLEED VALVE WAS IMMEDIATELY ISOLATED, AND THE LEAK WAS STOPPED BY TIGHTENING THE VALVE'S FLANGED PARTS. AT 8:45 CST THE SAME DAY, ENTERPRISE PIPELINE CONTROL SHIFT SUPERVISOR WAS NOTIFIED AND A CALL WAS HELD TO DETERMINE THAT 15 GALLONS OF DIESEL HAD LEAKED FROM THE VALVE. UPON INVESTIGATION, IT WAS DETERMINED THAT WATER TRAPPED INSIDE THE VALVE BODY FROZE AND SEPARATED THE TWO-PIECE VALVE BODY CAUSING THE LEAK. TO PREVENT RECURRENCE, THE VALVE WAS REPLACED. THE LINE HAS BEEN RETURNED TO SERVICE AND ALL DIESEL FUEL HAS BEEN CLEANED UP. TRRC EMERGENCY LINE WAS CALLED ON 12/27/2022 AT 9:31 CST.

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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