Clean Water Act discharge permit · NPDES MS0034711
ERGON REFINING INC, Vicksburg, MS: NPDES MS0034711 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 17Pollutants under a numeric limit
- 9Pollutants with an effluent exceedance
ERGON REFINING INC holds NPDES permit MS0034711, which discharges to Yazoo River Basin. EPA’s file records it issued July 29, 2024 and expiring June 30, 2029. 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 | ERGON REFINING INC |
|---|---|
| Permittee as filed | ERGON REFINING INC |
| NPDES ID | MS0034711 |
| Permit status | Effective |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | July 29, 2024 |
| Expiration date | June 30, 2029 |
| Issuing agency | MDEQ |
| Address | Vicksburg, MS 39183 |
| Receiving water | Yazoo River Basin |
| Subwatershed | Yazoo River Diversion Canal-Yazoo River (HUC 080302080202) |
| NAICS | 324110 – Petroleum Refineries |
| SIC | 2911 – Petroleum Refining |
| Other EPA IDs (FRS) | RCRA handler MSD098595317; ICIS-AIR source MS0000002814900003 |
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
- 17Pollutants on file
- 17Under a numeric limit
- 14With a violation of any kind
- 9With 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 |
|---|---|---|---|---|---|
| Oil & Grease | 32 | 83 | 29 | July 31, 2024 | 612% over the limit |
| Carbon, tot organic [TOC] | 28 | 68 | 28 | March 31, 2026 | 827% over the limit |
| Temperature, water deg. fahrenheit | 1 | 16 | 14 | August 31, 2019 | 7% over the limit |
| Sulfide, total [as S] | 4 | 27 | 13 | June 30, 2021 | 238% over the limit |
| Nitrogen, ammonia total [as N] | 4 | 16 | 8 | May 31, 2023 | 20% over the limit |
| Solids, total suspended | 4 | 15 | 7 | April 30, 2015 | 298% over the limit |
| pH | 30 | 44 | 6 | December 31, 2025 | |
| Oxygen, dissolved [DO] | 1 | 5 | 4 | June 30, 2025 | 10% over the limit |
| BOD, 5-day, 20 deg. C | 4 | 11 | 3 | July 31, 2009 | 23% over the limit |
| Flow, in conduit or thru treatment plant | 30 | 40 | 0 | ||
| Chemical Oxygen Demand [COD] | 4 | 10 | 0 | ||
| Chromium, hexavalent [as Cr] | 4 | 8 | 0 | ||
| Chromium, total recoverable | 4 | 8 | 0 | ||
| Phenolic compounds, total | 4 | 8 | 0 | ||
| Nitrogen, total [as N] | 2 | 0 | 0 | ||
| Phosphorus, total [as P] | 2 | 0 | 0 | ||
| Temp. diff. between up/down stream deg. F | 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 MS0034711.
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
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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 MS0034711 there.
Nearby on the register
- Discharge permits in Vicksburg
- Every permit record in Vicksburg, A to Z
- Discharge permits in Mississippi
- Every permit record in Mississippi, A to Z
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.