"BOARDWALK LOUISIANA MIDSTREAM, LLC"

hazardous_liquid Incident — — November 27, 2024

Incident Information

Incident DateNovember 27, 2024
Operator"BOARDWALK LOUISIANA MIDSTREAM, LLC"
CommodityHVL OR OTHER FLAMMABLE OR TOXIC FLUID WHICH IS A GAS AT AMBI
Pipeline Typehazardous_liquid

Location

State
Coordinates30.18478, -90.98617

Cause

CauseOTHER OUTSIDE FORCE DAMAGE
Subcause"DAMAGE BY CAR, TRUCK, OR OTHER MOTORIZED VEHICLE/EQUIPMENT NOT ENGAGED IN EXCAVATION"

Casualties

Fatalities0
Injuries0

Costs

Property Damage$48,680
Emergency Response$992
Other Costs$0

Location Map

Incident Narrative

"ON 11/27/2024 AT APPROXIMATELY 02:30, BOARDWALK LOUISIANA MIDSTREAM'S (BLM) CONTROL CENTER RECEIVED SCADA ALARMS AT ASHLAND ROAD RSD SITE FOR HIGH LEL AND LOW PRESSURE ON THE DOWNSTREAM TRANSMITTER; OPERATIONS PERSONNEL WERE DISPATCHED TO INVESTIGATE. WHEN OPERATIONS PERSONNEL ARRIVED, FIRST RESPONDERS WERE ONSITE RESPONDING TO A VEHICLE ACCIDENT IN WHICH THE VEHICLE STRUCK THE VALVE SITE AND CAUSED THE ETHYLENE LEAK. OPERATIONS PERSONNEL DISCOVERED ETHYLENE VENTING INTO THE AIR WITH THE WIND BLOWING ETHYLENE ACROSS ASHLAND ROAD. OPERATIONS PERSONNEL REQUESTED THE CONTROL CENTER CLOSE THE UPSTREAM MAIN LINE VALVE. ONCE INSIDE THE FENCED AREA, OPERATIONS PERSONNEL DETERMINED THAT TUBING WAS DAMAGED BY THE VEHICLE AND THEY WERE ABLE TO ISOLATE A 1/2-INCH BALL VALVE GOING TO THE TUBING. ONCE THE BALL VALVE WAS CLOSED, THE ETHYLENE LEAK STOPPED WITHIN APPROXIMATELY 2 MINUTES. AT APPROXIMATELY 04:45, THE SITE WAS DEEMED SAFE TO REOPEN THE MAINLINE VALVE AND CONTROL CENTER PERSONNEL DID SO. OPERATIONS PERSONNEL REPAIRED THE DAMAGED TUBING AND ADJUSTED THE PRESSURE TRANSMITTER AND THE FACILITY WAS RETURNED TO SERVICE."

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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