TRANSWESTERN PIPELINE COMPANY LLC

gas_transmission Incident — — November 5, 2025

Incident Information

Incident DateNovember 5, 2025
OperatorTRANSWESTERN PIPELINE COMPANY LLC
CommodityNATURAL GAS
Pipeline Typegas_transmission

Location

State
Coordinates35.01640, -107.40484

Cause

CauseEQUIPMENT FAILURE
SubcauseMALFUNCTION OF CONTROL/RELIEF EQUIPMENT

Casualties

Fatalities0
Injuries0

Costs

Property Damage$0
Emergency Response$0
Other Costs$0

Location Map

Incident Narrative

"ON NOVEMBER 5, 2025, AN ESD EVENT RESULTED IN A RELEASE OF GAS AT THE LAGUNA STATION 6 COMPRESSOR STATION, 2 MILES SOUTH OF NEW LAGUNA NEW MEXICO IN CIBOLA COUNTY. - AT APPROXIMATELY 0500 MST, AN ESD COMMAND WAS SENT TO THE STATION (UNIT 602) BY THE CONTROL CENTER. AT 0630, THE STATION OPERATOR ARRIVED AND FOUND CONTROL VALVE E07 WAS STUCK PARTIALLY OPENED AND WAS STILL RELEASING GAS, THE OPERATOR CLOSED THE VALVE MANUALLY AND OPENED THE BYPASS VALVE ON UNIT 602 TO BYPASS THE STATION. THE AMOUNT OF GAS RELEASED WAS UNKNOWN. - AT 1100 MST, IT WAS DETERMINED THAT THE ESTIMATED GAS LOSS WOULD BE EXCEEDING THE 3 MMCF REPORTABLE QUANTITY AND THE NRC WAS NOTIFIED. - AT 1500 MST, THE STATION WAS BROUGHT BACK ONLINE USING UNIT 603. NO DAMAGE OCCURRED ON VALVE E07. THE VALVE WAS PARTIALLY OPEN DUE TO A PROGRAMMING CONFLICT THAT PREVENTED THE VALVE FROM CLOSING. THE PROGRAMMING LOGIC HAS BEEN UPDATED TO PREVENT REOCCURRENCE OF THIS ISSUE."

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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