COLUMBIA GAS TRANSMISSION, LLC
gas_transmission Incident —
Incident Information
| Report Date | — |
| Operator | COLUMBIA GAS TRANSMISSION, LLC |
| Commodity | — |
| Pipeline Type | gas_transmission |
Location
| State | |
| Coordinates | 36.77489, -76.28094 |
Cause
| Cause | OTHER INCIDENT CAUSE |
| Subcause | — |
Casualties
| Fatalities | 0 |
| Injuries | 0 |
Costs
| Property Damage | — |
| Lost Commodity | — |
| Public/Private Damage | — |
| Emergency Response | — |
| Environmental Remediation | — |
| Other Costs | — |
Location Map
Incident Narrative
COLUMBIA GAS TRANSMISSION, LLC (COLUMBIA), A TC ENERGY ENTITY, OPERATES AND MAINTAINS NORFOLK METER STATION LOCATED IN CHESAPEAKE, VIRGINA. ON MONDAY APRIL 29TH, 2024, A PIPELINE TECHNICIAN ARRIVED AT THE METER STATION TO PERFORM ROUTINE WORK AND OBSERVED THE GEOTECH FABRIC AND GRAVEL WAS ELEVATED FROM GRADE. THE PIPELINE TECHNICIAN DETERMINED THAT THE EVENT COULD BE A POTENTIAL NATURAL GAS RELEASE AND BEGAN INVESTIGATING WITH NATURAL GAS LEAK DETECTION EQUIPMENT. STATION PERSONNEL DETERMINED THE NATURAL GAS RELEASE WAS A GRADE 1 NATURAL GAS LEAK. AT THIS TIME WE HAVE NEITHER IDENTIFIED A LEAK SOURCE NOR CONFIRMED THE ESTIMATED VOLUME OF GAS RELEASED UNINTENTIONALLY. COLUMBIA COMPLETED PIPE INTEGRITY ASSESSMENTS TO LOCATE THE SOURCE OF THE SUSPECTED APRIL 29TH NATURAL GAS RELEASE AND HAVE FOUND NO INDICATION OF A LEAK SOURCE. COLUMBIA CONTINUES TO PERFORM DAILY LEAK PATROL AS A SAFETY MEASURE. THE SUSPECTED LEAK LOCATION WAS INVESTIGATED HAS BEEN CUT OUT AND REMOVED FROM SERVICE. THE FACILITY IS BACK IN SERVICE USING AN ALTERNATIVE MODE OF OPERATION.
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.