NUSTAR PIPELINE OPERATING PARTNERSHIP L.P.
hazardous_liquid Incident — — February 25, 2020
Incident Information
| Incident Date | February 25, 2020 |
| Operator | NUSTAR PIPELINE OPERATING PARTNERSHIP L.P. |
| Commodity | HVL OR OTHER FLAMMABLE OR TOXIC FLUID WHICH IS A GAS AT AMBI |
| Pipeline Type | hazardous_liquid |
Location
| State | |
| Coordinates | 40.60535, -86.26930 |
Cause
| Cause | EQUIPMENT FAILURE |
| Subcause | THREADED CONNECTION/COUPLING FAILURE |
Casualties
| Fatalities | 0 |
| Injuries | 0 |
Costs
| Property Damage | $66,860 |
| Emergency Response | $0 |
| Other Costs | $60,000 |
Location Map
Incident Narrative
A PASSERBY CALLED INTO THE CONTROL CENTER REPORTING AN ANHYDROUS AMMONIA LEAK IN A FARMER'S FIELD. LOCAL NUSTAR PERSONNEL WERE NOTIFIED AND UPON ARRIVAL A VAPOR CLOUD WAS NOTICED IN THE FIELD NEAR VALVE 11-15 IN AN AREA WHERE THERE IS A KNOWN STOPPLE TEE FITTING ON THE 6-INCH AMMONIA MAINLINE. THE LINE WAS SHUT DOWN AND THE SEGMENT ISOLATED. NO EVACUATIONS WERE NECESSARY. ALL INTERNAL AND EXTERNAL NOTIFICATIONS WERE MADE. 770.6 TONS / 513.7 CUBIC YARDS OF SOIL WAS REMOVED FOR DISPOSAL, SOIL SAMPLES WERE ANALYZED, AND IDEM REQUESTED ADDITIONAL EXCAVATION OF 43 ADDITIONAL TONS BEFORE BACKFILLING OF THE SITE WAS APPROVED. SITE WAS BACKFILLED ON 3/16/2020.
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.