Clean Water Act discharge permit · NPDES LA0052051
VALERO REFINING - NEW ORLEANS LLC - ST CHARLES REFINERY, Norco, LA: NPDES LA0052051 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 30Pollutants under a numeric limit
- 8Pollutants with an effluent exceedance
VALERO REFINING - NEW ORLEANS LLC - ST CHARLES REFINERY, held by Valero Refining - New Orleans, LLC- St. Charles Refinery, holds NPDES permit LA0052051, which discharges to Mississippi River & Bayou Labranch. EPA’s file records it issued October 28, 2019 and expiring December 31, 2024. 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 filed | VALERO REFINING - NEW ORLEANS LLC - ST CHARLES REFINERY |
|---|---|
| Permittee as filed | Valero Refining - New Orleans, LLC- St. Charles Refinery |
| NPDES ID | LA0052051 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Major discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | October 28, 2019 |
| Expiration date | December 31, 2024 |
| Address | Norco, LA 70079 |
| Receiving water | MISSISSIPPI RIVER & BAYOU LABRANCH |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Mississippi River-Bonnet Carre Spillway (HUC 080901000101) |
| SIC | 2911 – Petroleum Refining |
| Other EPA IDs (FRS) | RCRA handler LAD000225862; ICIS-AIR source LA0000002208900027 |
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
- 31Pollutants on file
- 30Under a numeric limit
- 18With a violation of any kind
- 8With an effluent exceedance
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.
| Pollutant or measure | Limits | Violations, any kind | Effluent exceedances | Latest exceedance | Largest exceedance, as filed |
|---|---|---|---|---|---|
| Sulfide, total [as S] | 2 | 23 | 15 | August 31, 2018 | 472% over the limit |
| Solids, total suspended | 7 | 24 | 7 | June 30, 2021 | 302% over the limit |
| pH | 16 | 57 | 6 | March 31, 2017 | |
| BOD, 5-day, 20 deg. C | 4 | 14 | 6 | June 30, 2021 | 109% over the limit |
| Carbon, tot organic [TOC] | 6 | 25 | 4 | March 31, 2010 | 204% over the limit |
| Oil and grease | 0 | 30 | 2 | September 30, 2009 | 1,367% over the limit |
| Nitrogen, ammonia total [as N] | 2 | 12 | 2 | October 31, 2014 | 30% over the limit |
| Coliform, fecal general | 2 | 2 | 2 | June 30, 2020 | 1,234% over the limit |
| Flow, in conduit or thru treatment plant | 20 | 60 | 0 | ||
| Oxygen demand, chem. [high level] [COD] | 2 | 10 | 0 | ||
| Chromium, hexavalent [as Cr] | 2 | 10 | 0 | ||
| Chromium, total [as Cr] | 2 | 10 | 0 | ||
| Phenolics, total recoverable | 2 | 10 | 0 | ||
| Lead, total [as Pb] | 1 | 6 | 0 | ||
| Benzene | 1 | 6 | 0 | ||
| BTEX | 1 | 6 | 0 | ||
| pH range excursions, monthly total accum | 1 | 3 | 0 | ||
| pH range excursions, > 60 minutes | 1 | 2 | 0 | ||
| Oil & Grease | 8 | 0 | 0 | ||
| Whole effluent toxicity - retest #1 | 4 | 0 | 0 | ||
| Whole effluent toxicity - retest #2 | 4 | 0 | 0 | ||
| Whole Effluent Toxicity - Retest #3 | 4 | 0 | 0 | ||
| Nitrogen, total [as N] | 2 | 0 | 0 | ||
| Phosphorus, total [as P] | 2 | 0 | 0 | ||
| Solids, total suspended, non-algal | 2 | 0 | 0 | ||
| Low Flow Pass/Fail Static Renewal 48Hr Acute Daphnia pulex | 2 | 0 | 0 | ||
| LF Pass/Fail Static Renewal 48Hr Acute Pimephales promelas | 2 | 0 | 0 | ||
| NOAEC Lethal Statis Renewal 48 Hr Acute Daphnia pulex | 2 | 0 | 0 | ||
| NOAEC Lethal Static Renewal 48Hr acute Pimephales promelas | 2 | 0 | 0 | ||
| Coef Of Var Static Renewal 48Hr Acute D. pulex | 1 | 0 | 0 | ||
| Coef Of Var Static Renewal 48Hr Acute Pimephales promelas | 1 | 0 | 0 |
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
- 0Single-event violations
EPA’s single-event violation file, as loaded, holds no violation for NPDES LA0052051.
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.
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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 LA0052051 there.
Nearby on the register
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- Every permit record in Louisiana, A to Z
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.