NORTHERN STATES POWER CO OF MINNESOTA
gas_distribution Incident — MOORHEAD, MN — February 14, 2019
Incident Information
| Incident Date | February 14, 2019 |
| Operator | NORTHERN STATES POWER CO OF MINNESOTA |
| Commodity | NATURAL GAS |
| Pipeline Type | gas_distribution |
Location
| City | MOORHEAD |
| State | MN |
| County | CLAY |
| Coordinates | 46.85863, -96.76805 |
Cause
| Cause | OTHER OUTSIDE FORCE DAMAGE |
| Subcause | "DAMAGE BY CAR, TRUCK, OR OTHER MOTORIZED VEHICLE/EQUIPMENT NOT ENGAGED IN EXCAVATION" |
Casualties
| Fatalities | 0 |
| Injuries | 0 |
Costs
| Property Damage | $25,000 |
| Emergency Response | $321,158 |
| Other Costs | $0 |
Location Map
Incident Narrative
"ON FEBRUARY 14, 2019, A SNOW PLOW HIT ABOVEGROUND PIPING FOR A PRESSURE RECORDING CHART AT A REGULATOR STATION THAT WAS INSTALLED IN A VAULT. THE IMPACT DAMAGED PIPING IN THE VAULT CAUSING THE REGULATOR TO FAIL WHICH RESULTED IN THE ACTIVATION OF THE RELIEF VALVE. THE MAOP OF THE SYSTEM IS 25 PSIG AND THE HIGHEST PRESSURE OBSERVED WAS 30.5 PSIG. AT APPROXIMATELY 12:00 ON FEBRUARY 15, 2019 THE SYSTEM WAS SHUT-IN BY CLOSING AN EMERGENCY VALVE, CAUSING AN OUTAGE TO 950 CUSTOMERS. REPAIRS WERE INITIALED AT APPROXIMATELY 16:00 ON FEBRUARY 15, 2019. REPAIRS WERE COMPLETED BY 19:30, THE SYSTEM WAS STARTED UP AND LEAK SURVEYED. CUSTOMER RELIGHTS STARTED AT APPROXIMATELY 23:00 AND CONTINUED UNTIL FEBRUARY 16, 2019 AT 16:00. ADDITIONAL LEAK SURVEYS WERE CONDUCTED FEBRUARY 16 STARTING AT 19:00. AFTER THE SECOND SURVEY NO FURTHER LEAKS WERE DISCOVERED. ON FEBRUARY 17, STARTING AT 11:00, ONE MORE SURVEY WAS CONDUCTED WITH NO FURTHER LEAKS DISCOVERED."
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.