"COLUMBIA GAS TRANSMISSION, LLC"

gas_transmission Incident — — March 2, 2025

Incident Information

Incident DateMarch 2, 2025
Operator"COLUMBIA GAS TRANSMISSION, LLC"
CommodityNATURAL GAS
Pipeline Typegas_transmission

Location

State
Coordinates37.70660, -82.05877

Cause

CauseEXCAVATION DAMAGE
SubcausePREVIOUS DAMAGE DUE TO EXCAVATION ACTIVITY

Casualties

Fatalities0
Injuries0

Costs

Property Damage$655,000
Emergency Response$275,000
Other Costs$210,000

Location Map

Incident Narrative

"ON MARCH 2, 2025, AT APPROXIMATELY 16:03, LINE SM-116 WAS SUBJECT TO AN UNINTENDED RELEASE OF NATURAL GAS TO ATMOSPHERE DUE TO A FAILURE IN THE BODY OF THE PIPELINE. LINE SM-116, A CARBON STEEL TRANSMISSION PIPELINE WITH 16-INCH NPS (NOMINAL PIPE SIZE), 0.281-INCH WALL THICKNESS AT LOCATION OF FAILURE IS OPERATED AND MAINTAINED BY COLUMBIA GAS TRANSMISSION LLC (COLUMBIA), A SUBSIDIARY OF TC ENERGY. THE PIPELINE FAILURE WAS NOTED BY SCADA ALARMS AND WAS ACKNOWLEDGED AND RESPONDED TO BY COLUMBIA

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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