COLONIAL PIPELINE CO

hazardous_liquid Incident —

Incident Information

Report Date
OperatorCOLONIAL PIPELINE CO
Commodity—
Pipeline Typehazardous_liquid

Location

State
Coordinates29.88800, -93.99200

Cause

CauseCORROSION FAILURE
Subcause—

Casualties

Fatalities0
Injuries0

Costs

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

Location Map

Incident Narrative

ON JANUARY 11, 2020, AT 12:44 CST, ON-SITE PERSONNEL NOTED A RELEASE OF DIESEL DURING A YARD CHECK AND INITIATED NOTIFICATION AND INVESTIGATION PROCESSES. THE PRODUCT WAS CONTAINED WITHIN THE FACILITY AND RECOVERED USING CONTAINMENT BOOM. SPILL RESPONSE PERSONNEL WERE MOBILIZED TO FURTHER INVESTIGATE THE CONDITIONS OF THE RELEASE. THE RELEASE WAS FOUND TO BE ORIGINATING FROM AN OUT OF SERVICE (OOS) 'DEADLEG' TANK LINE. THIS LINE WAS REMOVED FROM SERVICE IN 2010, PRIOR TO COLONIAL'S ACQUISITION OF THE FACILITY IN 2015. AT 17:55 CST, IT WAS DISCOVERED THE CONDITIONS OF THE RELEASE MAY RESULT IN EXCEEDANCE OF THE $50,000 THRESHOLD. APPLICABLE NOTIFICATIONS WERE MADE, TO INCLUDE A TELEPHONIC NOTIFICATION TO THE NATIONAL RESPONSE CENTER (NRC) AT 19:28 CST; SEE NRC REPORT NO: 1268472. A CONTAINMENT SLEEVE WAS PLACED OVER THE OOS PIPING 'DEADLEG' TO CONTAIN THE RELEASE. THIS EFFORT WAS COMPLETED ON JANUARY 12, 2020, AT 0249 CST. THE RECOVERY OF ALL RELEASED MATERIAL WAS COMPLETED ON JANUARY 12, 2020. ON JANUARY 13, 2020, AT 1448 CST A 48-HOUR UPDATE TELEPHONIC NRC NOTIFICATION (SEE NRC REPORT NO: 1268603) WAS MADE THIS UPDATE DID NOT REPORT ANY CHANGES TO THE INITIALLY REPORTED CONDITIONS, HOWEVER, DID INCLUDE ACTIONS TAKEN TO MITIGATE AND CONTAIN THE SOURCE OF THE RELEASE (CONTAINMENT SLEEVE). INTERNAL REVIEW OF NRC REPORT NO: 1268603 NOTED THE DESCRIPTIVE INFORMATION WAS INCORRECT IN STATING THE CONTAINMENT SLEEVE ITSELF WAS THE SOURCE OF THE RELEASE. BECAUSE OF THE AFOREMENTIONED ERROR, NRC REPORT NO: 1268622 WAS ISSUED AS AN UPDATE TO NRC REPORT NO: 1268603 TO CLARIFY THE CONTAINMENT SLEEVE WAS NOT THE SOURCE OF RELEASE, BUT RATHER THE ACTION TAKEN TO MITIGATE AND CONTAIN THE SOURCE. ANALYSIS OF THE CIRCUMSTANCES OF THIS RELEASE INDICATE THE PRODUCT RELEASED WAS RESIDUAL PRODUCT IN THE DEADLEG PIPING MIXED WITH WATER. THE DEADLEG PIPE WAS PARTIALLY EXPOSED IN A FACILITY DITCH. THE EXPOSED PIPE CONTRIBUTED TO ELEMENTS OF CORROSION ON THE TOP SIDE OF THE PIPE, WHICH THEN ALLOWED WATER TO ENTER AND SETTLE INTO THE LOWEST LYING PORTION OF THE PIPE. FURTHER CAUSAL ANALYSIS IS ONGOING AT THIS TIME TO DETERMINE ANY FURTHER CORRECTIVE OR REMEDIAL ACTIONS.

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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