Clean Water Act discharge permit · NPDES LA0051942
ALON USA- ALON KROTZ SPRINGS REFINERY, Krotz Springs, LA: NPDES LA0051942 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 27Pollutants under a numeric limit
- 11Pollutants with an effluent exceedance
ALON USA- ALON KROTZ SPRINGS REFINERY, held by Alon USA- Alon Krotz Springs Refinery, holds NPDES permit LA0051942, which discharges to Atchafalaya River. EPA’s file records it issued September 22, 2015 and expiring October 31, 2020. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 15, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | ALON USA- ALON KROTZ SPRINGS REFINERY |
|---|---|
| Permittee as filed | Alon USA- Alon Krotz Springs Refinery |
| NPDES ID | LA0051942 |
| 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 | September 22, 2015 |
| Expiration date | October 31, 2020 |
| Address | Krotz Springs, LA 70750 |
| Receiving water | ATCHAFALAYA RIVER |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Bayou Courtableau-Bayou Fordoche (HUC 080801010204) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 32Pollutants on file
- 27Under a numeric limit
- 23With a violation of any kind
- 11With 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 |
|---|---|---|---|---|---|
| Solids, total suspended | 4 | 24 | 22 | April 30, 2026 | 820% over the limit |
| pH | 14 | 11 | 9 | January 31, 2026 | |
| Oxygen demand, chem. [high level] [COD] | 2 | 6 | 6 | April 30, 2026 | 77% over the limit |
| Coliform, fecal general | 4 | 6 | 4 | January 31, 2010 | 99,999% over the limit |
| BOD, 5-day, 20 deg. C | 2 | 4 | 4 | May 31, 2026 | 302% over the limit |
| pH range excursions, > 60 minutes | 1 | 4 | 3 | August 31, 2005 | 99,999% over the limit |
| pH range excursions, monthly total accum | 1 | 4 | 3 | August 31, 2005 | 93% over the limit |
| Carbon, tot organic [TOC] | 6 | 5 | 2 | March 31, 2026 | 55% over the limit |
| Lead, total [as Pb] | 2 | 4 | 1 | January 31, 2008 | 202% over the limit |
| Benzene | 2 | 3 | 1 | November 30, 2007 | 1,096% over the limit |
| Benzene, ethylbenzene, toluene, xylene combination | 0 | 3 | 1 | November 30, 2007 | 336% over the limit |
| Flow, in conduit or thru treatment plant | 14 | 16 | 0 | ||
| Mercury, total [as Hg] | 0 | 4 | 0 | ||
| Oil and grease | 8 | 3 | 0 | ||
| Chromium, hexavalent [as Cr] | 4 | 2 | 0 | ||
| Chromium, total [as Cr] | 4 | 2 | 0 | ||
| Low Flow Pass/Fail Static Renewal 48Hr Acute Daphnia pulex | 4 | 2 | 0 | ||
| NOAEC Lethal Statis Renewal 48 Hr Acute Daphnia pulex | 4 | 2 | 0 | ||
| Phenolics, total recoverable | 2 | 2 | 0 | ||
| Oil & Grease | 0 | 2 | 0 | ||
| Nitrogen, total [as N] | 0 | 2 | 0 | ||
| Phosphorus, total [as P] | 0 | 2 | 0 | ||
| Coef Of Var Static Renewal 48Hr Acute D. pulex | 2 | 1 | 0 | ||
| Whole effluent toxicity - retest #1 | 8 | 0 | 0 | ||
| Whole effluent toxicity - retest #2 | 8 | 0 | 0 | ||
| Whole Effluent Toxicity - Retest #3 | 8 | 0 | 0 | ||
| LF Pass/Fail Static Renewal 48Hr Acute Pimephales promelas | 4 | 0 | 0 | ||
| NOAEC Lethal Static Renewal 48Hr acute Pimephales promelas | 4 | 0 | 0 | ||
| Nitrogen, ammonia total [as N] | 2 | 0 | 0 | ||
| Sulfide, total [as S] | 2 | 0 | 0 | ||
| BTEX | 2 | 0 | 0 | ||
| Coef Of Var Static Renewal 48Hr Acute Pimephales promelas | 2 | 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 LA0051942.
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 LA0051942 there.
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Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.