NUSTAR PIPELINE OPERATING PARTNERSHIP L.P.
hazardous_liquid Incident —
Incident Information
| Report Date | — |
| Operator | NUSTAR PIPELINE OPERATING PARTNERSHIP L.P. |
| Commodity | — |
| Pipeline Type | hazardous_liquid |
Location
| State | |
| Coordinates | 39.40916, -91.43025 |
Cause
| Cause | MATERIAL FAILURE OF PIPE OR WELD |
| Subcause | — |
Casualties
| Fatalities | 0 |
| Injuries | 0 |
Costs
| Property Damage | — |
| Lost Commodity | — |
| Public/Private Damage | — |
| Emergency Response | — |
| Environmental Remediation | — |
| Other Costs | — |
Location Map
Incident Narrative
***** NON REPORTABLE LEAK - SUBMITTED AT PHMSA REQUEST (4.33 GALLONS, 0.103 BARRELS RELEASED)***** A FARMER REPORTED THE SMELL OF AMMONIA TO THE CONTROL CENTER AT 4:45 PM ON 8-13-2021. THE LINE WAS SHUT DOWN REMOTELY, AND LOCAL RESOURCES WERE SENT TO INVESTIGATE. AT 6:15 PM ON 8-13-2021, A SUSPECTED UNDERGROUND LEAK WAS CONFIRMED BY NUSTAR OPERATIONS ON SITE. THE LINE WAS BLOCKED IN AT J-1, AND PRESSURE WAS BLED INTO DYNO TO LOWER THE LINE PRESSURE. THE LINE WAS BLOCKED IN AT 19:30 BY CLOSING VALVE 15-1AND VALVE 15-5. THE LINE WAS EXCAVATED ON 8-14-2021, AND A CLAMP WAS INSTALLED AT 11:00 AM TO THE LINE. A TYPE B SLEEVE WAS WELDED OVER THE CLAMP TO REPAIR THE LINE. CONTAMINATED SOILS WERE SPREAD OUT ON THE ROW TO AIR OUT AT THE DIRECTION OF MDNR. THE LINE WAS RETURNED TO SERVICE AT 14:57 ON 8-14-2021. PER INSTRUCTIONS FROM ALAN CORTVRIENT WITH THE DNR, WE BACKFILLED AROUND THE PIPE WITH SOIL FROM THE EXCAVATION THAT WAS NOT CONTAMINATED. THE REMAINING SOIL WAS SPREAD OVER THE AREA TO AIR OUT. THE BACKFILL AND CLEANUP WERE COMPLETED ON 8-20-2021. THE AREA WAS RE-SEEDED AND COVERED WITH STRAW ON 8-24-2021.
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.