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Motiva Enterprises (1406), Norco

LDEQ Accident Report

Accident #94667
State Police #07-0794
Accident Date2007-03-15
Report Date 2007-03-20
Follow-up Date 2007-04-09
Follow-up: Yes

Pollutants Released

Pollutant Duration Point Source Greenhouse Gas Criteria Pollutant Ozone forming chemical Amount of Release
Sewage30mSewer sump servicing DU-4 and DU-5 UnitsNONONO10.0 gallons

Accident Classified As: Below Reportable Quantity (BRQ)

Cause of Problem: Piping or Tubing

A sewer pump servicing the DU-4 and DU-5 Units overflowed due to plugging of the discharge line.

Discharge Preventable - No Information Given

No information given.

Notes/Remedial Actions

The overflow material was drained into a nearby storm water sewer and was discharged into the refinery wastewater treatment system. The material was then discharged through LPDES Outfall 002. Normally the effluent goes through a small sanitary sewage treatment plant prior to mixing with the main refinery effluent, but with the plugging of the line, the effluent bypassed this treatment. Once the leak was discovered, a vacuum truck was placed to pick up the material and to prevent additional leakage. Once the piping was accessible, the plugging was cleared and the sump returned to normal operations.