Velarion Records
Follow this permit Velarion Records emails you this permit’s record, cited to the public filing, and tells you when the register changes it. Free.
We’ll email you a link to confirm. The continuous daily watch on every change is the paid alert. Unsubscribe any time.
Also free: The Pay Desk, the weekly executive pay briefing.

Clean Water Act discharge permit · NPDES LA0003522

MOTIVA ENTERPRISES, LLC- NORCO REFINERY, Norco, LA: NPDES LA0003522 discharge permit, effluent exceedances, inspections, penalties

MOTIVA ENTERPRISES, LLC- NORCO REFINERY, held by Motiva Enterprises, LLC- Norco Refinery, holds NPDES permit LA0003522, which discharges to Bayou Trepagnier/Mississippi River. EPA’s file records it issued August 5, 2014 and expiring August 31, 2019. The status and dates are as EPA’s permit file stood when Velarion loaded it (October 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

Identity

Facility as filedMOTIVA ENTERPRISES, LLC- NORCO REFINERY
Permittee as filedMotiva Enterprises, LLC- Norco Refinery
NPDES IDLA0003522
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeIndividual permit
Discharger classMajor discharger
Facility typeNot a publicly owned treatment works
IssuedAugust 5, 2014
Expiration dateAugust 31, 2019
AddressNorco, LA 70079
Receiving waterBAYOU TREPAGNIER/MISSISSIPPI RIVER
Receiving water impaired303(D) Listed
SubwatershedMississippi River-Bonnet Carre Spillway (HUC 080901000101)
SIC2911 – Petroleum Refining
Other EPA IDs (FRS)RCRA handler LAD008186579; ICIS-AIR source LA0000002208900002

Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download; cross-program IDs from EPA’s FRS facility-registry crosswalk.

Effluent limits and exceedances

An effluent exceedance is a discharge monitoring report value over the permit’s numeric limit (EPA’s violation code E90). A violation of any kind also counts a report not filed. Each row is EPA’s own count for that pollutant; the 60 with the most exceedances of 80 are shown.

Pollutant or measureLimitsViolations, any kindEffluent exceedancesLatest exceedanceLargest exceedance, as filed
Sulfide, total [as S]21414June 30, 202699,999% over the limit
Solids, total suspended21010March 31, 202699,999% over the limit
pH range excursions, > 60 minutes11010July 31, 20262,147,483,650% over the limit
BOD, 5-day, 20 deg. C299March 31, 202699,999% over the limit
pH range excursions, monthly total accum187September 30, 202599,999% over the limit
Oil and grease377September 30, 2010327% over the limit
pH4175December 31, 2025
Carbon, tot organic [TOC]342September 30, 201922% over the limit
Nitrogen, ammonia total [as N]271December 31, 202227% over the limit
Zinc, total [as Zn]251November 30, 201565% over the limit
Hexachlorobenzene251December 31, 2021109% over the limit
Oil & Grease021January 31, 202399,999% over the limit
Flow, in conduit or thru treatment plant860
Copper, total [as Cu]240
Chromium, total [as Cr]220
Carbon tetrachloride220
1,2-Dichloroethane220
Ethylbenzene220
1,2-Dichloropropane220
Phenol220
Naphthalene220
1,3-Dichloropropene020
Whole effluent toxicity - retest #1400
Whole effluent toxicity - retest #2400
Whole Effluent Toxicity - Retest #3400
Benzene300
Chromium, hexavalent [as Cr]200
Chloroform200
Phenolics, total recoverable200
Toluene200
Acenaphthylene200
Acenaphthene200
Acrylonitrile200
Anthracene200
Benzo[b]fluoranthene200
Benzo[k]fluoranthene200
Benzo[a]pyrene200
Chlorobenzene200
Chrysene200
Diethyl phthalate200
Dimethyl phthalate200
Fluoranthene200
Fluorene200
Hexachlorobutadiene200
Hexachloroethane200
Methyl chloride [Chloromethane]200
Methylene chloride200
Nitrobenzene200
Phenanthrene200
Pyrene200
Tetrachloroethylene200
1,1-Dichloroethane200
1,1-Dichloroethylene200
1,1,1-Trichloroethane200
1,1,2-Trichloroethane200
Benzo[a]anthracene200
1,2-Dichlorobenzene200
trans-1,2-Dichloroethylene200
1,2,4-Trichlorobenzene200
1,3-Dichlorobenzene200

Cited to the EPA ICIS-NPDES limits and effluent violations files (ECHO download); up to 60 rows shown, most exceedances first.

Inspections, violations and enforcement

DateWhat EPA recordedAgency
July 9, 2024Effluent Violations - Unapproved BypassST6
November 4, 2023Effluent Violations - Unapproved BypassST6
November 27, 2022Effluent Violations - Numeric effluent violationST6
May 31, 2022Monitoring Violations - Frequency of Sampling ViolationST6

Velarion’s copy of EPA’s ICIS-NPDES files does not include the inspections, formal enforcement actions and informal enforcement actions files, so this page shows none of them. EPA’s free Detailed Facility Report on ECHO lists this permit’s inspections, enforcement actions and penalties.

Cited to the EPA ICIS-NPDES violation, inspection and enforcement files (ECHO download); up to 50 rows of each shown, newest first.

Watch this permit

One permit holder, $99/month. Watch the register for one permit holder and the places and receiving waters tied to its permits. Choose “One permit holder” and enter this permit’s NPDES ID, LA0003522.

Start the watch

How often?
  • One permit holder — $99/month
  • One watershed — $2,990/year
  • One state — $4,990/year
  • The whole register — $18,000/year

How we handle your data → Privacy

EPA publishes a free Detailed Facility Report for every permit on ECHO: its compliance status quarter by quarter, its inspections, and its enforcement actions and penalties. EPA also sends free notices of new inspections and enforcement actions through ECHO Notify; enter NPDES ID LA0003522 there.

Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.

What this page shows

This public-records page covers Clean Water Act discharge permit NPDES LA0003522, held by MOTIVA ENTERPRISES, LLC- NORCO REFINERY in Norco, LA, which is listed as administratively continued and as a Major Discharger, with 78 pollutants under a numeric limit and 12 pollutants with an effluent exceedance. The permit's facts list an issue date of August 5, 2014, an expiration date of August 31, 2019, and a discharge to BAYOU TREPAGNIER/MISSISSIPPI RIVER, which is listed as 303(D) impaired.