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Motiva Enterprises (1406), Norco

LDEQ Accident Report

Accident #96302
State Police #07-1621
Accident Date2007-05-16
Report Date 2007-05-21
Follow-up Date 2007-06-01
Follow-up: Yes

Pollutants Released

Pollutant Duration Point Source Greenhouse Gas Criteria Pollutant Ozone forming chemical Amount of Release
StormwaterNONONOBRQ

Accident Classified As: Below Reportable Quantity (BRQ)

Cause of Problem: Weather

An employee observed stormwater leaking from the Motiva West Stormwater Ditch, through the site perimeter levee, and into the adjacent St. Charles Parish stormwater ditch via a nutria burrow. See DEQ# 96300 of the same date.

Discharge Preventable - No

The facility was being properly operated and maintained at the time of the incident.

Notes/Remedial Actions

The breach in the perimeter levee caused by the nutria burrow was repaired on 05/17/07. The remainder of the system was inspected for any additional issues. During this inspection, it was discovered that a drain box/manhole box was also leaking stormwater off-site from the West Ditch. An inspection was made of the drain box to determine the extent of damage and the required repairs. The north wall of the drain box will require replacement as of 05/21/07.