MARATHON PIPE LINE LLC
hazardous_liquid Incident —
Incident Information
| Report Date | — |
| Operator | MARATHON PIPE LINE LLC |
| Commodity | — |
| Pipeline Type | hazardous_liquid |
Location
| State | |
| Coordinates | 41.05071, -87.74704 |
Cause
| Cause | INCORRECT OPERATION |
| Subcause | — |
Casualties
| Fatalities | 0 |
| Injuries | 0 |
Costs
| Property Damage | — |
| Lost Commodity | — |
| Public/Private Damage | — |
| Emergency Response | — |
| Environmental Remediation | — |
| Other Costs | — |
Location Map
Incident Narrative
ON 2/6/20 AT 10:00, MPL FIELD PERSONNEL ARRIVED AT ST. ANNE STATION TO PERFORM A ROUTINE STATION CHECK. THE OPERATOR DISCOVERED A SMALL STREAM OF PRODUCT BEING RELEASED FROM A THREADED CONNECTION ON THE PIPING BETWEEN UNITS 1 AND 2. A NEEDLE VALVE WAS ABLE TO BE CLOSED TO STOP THE RELEASE. ST. ANNE UNIT 2 HAD BEEN RUNNING AND WAS SHUT DOWN. AN ESTIMATED 40 GALLONS WERE RELEASED. THE STATION WAS CLEANED UP PROMPTLY, WITH AN ESTIMATED 18 GALLONS RECOVERED. THE FOLLOWING DAY (2/7), A SLIGHT SHEEN WAS DISCOVERED JUST OUTSIDE OF THE FACILITY FENCE ON STANDING WATER IN DEPRESSIONS - SHEENING WAS REMOVED WITH SORBENT MATERIAL. THERE WAS SOIL CONTAMINATION DISCOVERED WITHIN THE MPL PROPERTY LINE, HOWEVER - NO SOIL CONTAMINATION DISCOVERED OUTSIDE OF THE STATION. 5/6 FINAL SUBMISSION: INVESTIGATION RESULTED IN CAUSE TO BE CHANGED FROM STILL UNDER INVESTIGATION, TO INCORRECT OPERATIONS - DUE TO THE NEEDLE VALVE NOT BEING FULLY CLOSED.
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.