ACADIAN GAS PIPELINE SYSTEM

gas_transmission Incident — — July 25, 2025

Incident Information

Incident DateJuly 25, 2025
OperatorACADIAN GAS PIPELINE SYSTEM
CommodityNATURAL GAS
Pipeline Typegas_transmission

Location

State
Coordinates29.96745, -90.85301

Cause

CauseEQUIPMENT FAILURE
SubcauseNON-THREADED CONNECTION FAILURE

Casualties

Fatalities0
Injuries0

Costs

Property Damage$625,000
Emergency Response$0
Other Costs$0

Location Map

Incident Narrative

"ON 7/25/2025 AT 8:24 AM CST, A THIRD PARTY NOTICED BUBBLES IN A WATER AREA NEAR THE CHICO C PIPELINE ROW AND CONTACTED ACADIAN GAS PIPELINE (ACADIAN). ACADIAN PIPELINE TECHNICIAN DISCOVERED LEL FROM THE BUBBLES IN THE ROW AND PROCEEDED TO MAKE NOTIFICATIONS. IT WAS DETERMINED THAT AN EXISTING PIPELINE CLAMP HAD A SMALL LEAK AROUND THE SEAL AREA. A STOPPLE BY-PASS WAS INSTALLED, AND A SECTION OF MAINLINE PIPE WAS REMOVED AND REPLACED ELIMINATING THE CLAMP. ACADIAN DETERMINED THE EVENT TO BE REPORTABLE AT 8:45 AM ON 7/28/2025 DUE TO THE ANTICIPATED REPAIR COST EXCEEDING $149,700 RESULTING IN IMMEDIATE NOTIFICATION TO NRC AT 9:31 AM. THE LDENR WAS NOTIFIED ON 7/25/2025 AT 9:24 AM. THE LEAK INVESTIGATION DETERMINED SEAL FAILURE ON THE PIPELINE CLAMP. SECTION E QUESTION 6 REQUIRES A WHOLE NUMBER TO INPUT TO COMPLETE THE REPORT. THERE WAS NOT A NUMBER OF FEET ISOLATED FOR THIS EVENT AND SHOULD BE ZERO ENTERED IN THIS CELL."

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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