MID - VALLEY PIPELINE CO

hazardous_liquid Incident —

Incident Information

Report Date
OperatorMID - VALLEY PIPELINE CO
Commodity—
Pipeline Typehazardous_liquid

Location

State
Coordinates32.87623, -91.05265

Cause

CauseCORROSION FAILURE
Subcause—

Casualties

Fatalities0
Injuries0

Costs

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

Location Map

Incident Narrative

ON 1/25/23 AT APPROXIMATELY 07:00, A PIPELINE TECH DISCOVERED OIL ON RAINWATER IN THE TANK LINE ALLEY WAY AT MAYERSVILLE STATION. ONCE THE RELEASE WAS DISCOVERED, THE STATION ALONG WITH ALL THE TANK LINES WERE ISOLATED AND LOCKED OUT. DUE TO SCHEDULING, THE STATION WAS ALREADY DOWN; NO MOVEMENT IN OR OUT OF THE STATION PRIOR TO THE LEAK BEING FOUND. APPROXIMATELY 3 BARRELS OF CRUDE OIL WAS RELEASED. CLEANUP CREWS USED A VAC TRUCK TO REMOVE PRODUCT FROM TOP OF POOLED RAINWATER. AT APPROXIMATELY 15:00, THE POINT OF RELEASE WAS FOUND ON TANK 8 SUCTION FILL LINE, AN ESTIMATED 40 FT. WEST OF THE MANIFOLD, DOWN THE TANK LINE ALLEY WAY. THERE WAS A SMALL PIN HOLE THAT DEVELOPED ON THE PIPE AT THE 6 0'CLOCK POSITION ON THE PIPE. LINE WAS REPAIRED AT 15:20 AND THE STATION WAS PUT BACK INTO NORMAL SERVICE AT 15:45. THE PIN HOLE WAS CAUSED BY INTERNAL CORROSION. TANK LINE HAS BEEN DISCONNECTED, PURGED OF HYDROCARBONS AND WILL REMAIN OUT OF SERVICE.

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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