CYPRESS GAS PIPELINE COMPANY

gas_transmission Incident — — May 31, 2017

Incident Information

Incident DateMay 31, 2017
OperatorCYPRESS GAS PIPELINE COMPANY
CommodityNATURAL GAS
Pipeline Typegas_transmission

Location

State
Coordinates30.04764, -90.66066

Cause

CauseOTHER INCIDENT CAUSE
SubcauseUNKNOWN

Casualties

Fatalities0
Injuries0

Costs

Property Damage$70,000
Emergency Response$0
Other Costs$0

Location Map

Incident Narrative

"AN UNKNOWN THIRD PARTY REPORTED TO NRC, #1179785, ""THAT A BARGE BROKE FREE OF ITS MOORINGS AND COLLIDED WITH AN UNDERWATER PIPELINE IN THE MISSISSIPPI RIVER RESULTING IN A RELEASE OF NATURAL GAS."" CYPRESS GAS PIPELINE MANUALLY ISOLATED THE MISSISSIPPI RIVER CROSSING ON THE EAST AND WEST BANK. A SIDE SCAN SONAR INVESTIGATION INDICATES THE PIPELINE TO BE BROKEN AT APPROXIMATELY 50 FEET BELOW THE CURRENT RIVER LEVEL. THE SONAR DATA DID NOT HAVE CLARITY DUE TO THE RIVER CONDITIONS TO DETERMINE WHAT MAY HAVE CAUSED THIS INCIDENT. THE PIPELINE HAS BEEN ABANDONED. CYPRESS GAS PIPELINE MADE A 48 HOUR NOTIFICATION UPDATE TO THE NRC, #1179998, ON JUNE 1, 2017 AT 18:09 UPDATING VOLUME RELEASED."

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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