AMEREN ILLINOIS COMPANY

gas_transmission Incident —

Incident Information

Report Date
OperatorAMEREN ILLINOIS COMPANY
Commodity—
Pipeline Typegas_transmission

Location

State
Coordinates38.48750, -89.14028

Cause

CauseEXCAVATION DAMAGE
Subcause—

Casualties

Fatalities0
Injuries0

Costs

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

Location Map

Incident Narrative

A CONTRACTOR FOR AMEREN ILLINOIS WAS EXCAVATING A 10"" STEEL GAS TRANSMISSION MAIN TO REMOVE A CASING UNDER OLD HIGHWAY 51 SOUTH OF CENTRALIA, IL. THE LINE HAD BEEN LOCATED AND EXPOSED, HOWEVER AN UNMAPPED 2"" STEEL ABANDONED STUB WAS STRUCK BY THE EXCAVATOR RESULTING IN THE DAMAGE AND BLOWING GAS. THE SYSTEM WAS ISOLATED USING A SERIES OF VALVES, REPAIR WAS MADE AND THE LINE WAS SUBSEQUENTLY PLACED BACK INTO SERVICE. SUPPLEMENTAL DATA PROVIDED 8/15/2023 - INCIDENT WAS MISTAKENLY INITIALLY NOTED AS INTERSTATE, THE LINE IS ACTUALLY INTRASTATE AND THE REPORT IS BEING REVISED ACCORDINGLY.

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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