ENABLE MISSISSIPPI RIVER TRANSMISSION, LLC

gas_transmission Incident —

Incident Information

Report Date
OperatorENABLE MISSISSIPPI RIVER TRANSMISSION, LLC
Commodity—
Pipeline Typegas_transmission

Location

State
Coordinates38.26194, -90.40972

Cause

CauseOTHER INCIDENT CAUSE
Subcause—

Casualties

Fatalities0
Injuries0

Costs

Property Damage
Lost Commodity
Public/Private Damage
Emergency Response
Environmental Remediation
Other Costs

Location Map

Incident Narrative

IN PREPARATION FOR AN ILI RUN, TEMPORARY PIG TRAPS WERE INSTALLED ON ML1 AT VARIOUS LOCATIONS THROUGHOUT THE LINE. AFTER INSTALLATION OF PIG TRAPS, THE LOCAL OPERATION TEAMS BEGAN PIGGING THE LINE IN PREPARATION FOR THE ILI RUN. AFTER RECEIVING THE ""DRY"" PIGS IN JEFFERSON COUNTY, MISSOURI THE OPERATIONS GROUP BLEW DOWN THE JOACHIM CREEK RECEIVER BARREL. LIQUIDS WERE NOT ANTICIPATED TO BE IN THE LINE. GAS FOLLOWED BY A BROWN MIST WAS RELEASED FROM A 3"" BLOWDOWN ON THE PIG TRAP. THE MIST WAS BLOWN HIGH IN THE AIR INTO TREES, A NEARBY TRIBUTARY, AND SPREAD ACROSS 2.5 ACRES INTO A HOUSING DEVELOPMENT. THE AFFECTED AREA WAS REMEDIATED, AND THE RECOVERED HYDROCARBON LIQUID WILL BE RECYCLED AS USED OIL. A CALL WAS PLACED TO THE NRC(#1258179) ON 9/13/2019 AT 18:02 AND A 48 HR. FOLLOW UP (#1258293) WAS PLACED ON 9/15/2019 AT 12:36.

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.

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