MAGELLAN PIPELINE COMPANY, LP

hazardous_liquid Incident —

Incident Information

Report Date
OperatorMAGELLAN PIPELINE COMPANY, LP
Commodity—
Pipeline Typehazardous_liquid

Location

State
Coordinates41.68176, -91.56955

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

AT 08:14 ON MARCH 23RD, 2023 MAGELLAN PERSONNEL CONDUCTING A DAILY FACILITY INSPECTION AT THE IOWA CITY TERMINAL IDENTIFIED PRODUCT SEEPING FROM THE THREADED LID OF THE METER STRAINING ON THE INCOMING 6W PIPELINE. THE LINE WAS SHUT DOWN, THE LEAK SOURCE WAS ISOLATED, THE STRAINER WAS DRAINED TO THE SUMP, AND CLEANUP ACTIVITIES WERE INITIATED. FURTHER INVESTIGATION DETERMINED THE O-RING HAD FLATTENED ALLOWING PRODUCT TO WEEP OUT OF THE LOOSE THREADED ENCLOSURE ON THE STRAINER BASKET. TO PREVENT REOCCURRENCE THE O-RING WAS REPLACED. IN ADDITION, THE THREADED ENCLOSURE WAS MARKED TO ENSURE IT IS NOT LOOSENING OVER TIME, AND A FLANGED ENCLOSURE HAS BEEN ORDERED TO REPLACE THE THREADED STRAINER ENCLOSURE. SUPPLEMENTAL/FINAL (5/25/2023): PART G6 SUB-CAUSE AND ADDITIONAL FACTOR, PART K

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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