DTE GAS COMPANY
gas_transmission Incident — — May 14, 2025
Incident Information
| Incident Date | May 14, 2025 |
| Operator | DTE GAS COMPANY |
| Commodity | NATURAL GAS |
| Pipeline Type | gas_transmission |
Location
| State | |
| Coordinates | 44.26426, -84.23519 |
Cause
| Cause | CORROSION FAILURE |
| Subcause | EXTERNAL CORROSION |
Casualties
| Fatalities | 0 |
| Injuries | 0 |
Costs
| Property Damage | $208,527 |
| Emergency Response | $0 |
| Other Costs | $0 |
Location Map
Incident Narrative
"5/14/25: WHILE HAND SCRAPING FOR MAINTENANCE DURING PRIOR DEFECT IDENTIFIED DURING IN-LINE-INSPECTION, A LEAK DEVELOPED ON THE ALPENA 16"" TRANSMISSION LINE. PIPELINE IS ODORIZED 16"" COATED STEEL X52 0.250 WALL THICKNESS, INSTALLED IN 1964, CURRENT MAOP 812 PSIG, NORMAL OPERATING 670 PSIG, PRESSURE REDUCED TO 480 PSIG PRIOR TO MAINTENANCE EXCAVATION. (ORIGINAL MAOP WAS 869 PSIG, DERATED IN 2017 TO 812 PSIG.) AFTER LEAK DEVELOPED, PIPELINE WAS BLOWN DOWN TO ZERO PRESSURE AND CUTOUT WAS MADE. ON 5/22/25 REPAIR WAS COMPLETED AND PIPELINE WAS THEREAFTER RETURNED TO SERVICE. ON 6/11/25, CONTRACTOR REPAIR COSTS EXCEEDED PHMSA REPORTING THRESHOLD AND THE INCIDENT WAS REPORTED TO PHMSA/NRC AT 2:39PM ON THE SAME DAY (NRC # 1433791)."
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.