Clean Water Act discharge permit · NPDES MS0001686
HUNT SOUTHLAND REFINING CO LLC, Heidelerg, MS: NPDES MS0001686 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 17Pollutants under a numeric limit
- 12Pollutants with an effluent exceedance
HUNT SOUTHLAND REFINING CO LLC holds NPDES permit MS0001686, which discharges to Old Julie Branch. EPA’s file records it issued July 20, 2021 and expiring June 30, 2026. 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 | HUNT SOUTHLAND REFINING CO LLC |
|---|---|
| Permittee as filed | HUNT SOUTHLAND REFINING CO LLC |
| NPDES ID | MS0001686 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | July 20, 2021 |
| Expiration date | June 30, 2026 |
| Issuing agency | MDEQ |
| Address | Heidelerg, MS 39439 |
| Receiving water | OLD JULIE BRANCH |
| Subwatershed | Beaver Creek-Bogue Homo (HUC 031700050401) |
| NAICS | 324110 – Petroleum Refineries |
| SIC | 2911 – Petroleum Refining |
| Other EPA IDs (FRS) | RCRA handler MSD079467536; ICIS-AIR source MS0000002806700064 |
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
- 18Pollutants on file
- 17Under a numeric limit
- 16With a violation of any kind
- 12With 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 | 8 | 71 | 63 | February 29, 2024 | 761% over the limit |
| Sulfide, total [as S] | 8 | 69 | 57 | September 30, 2024 | 1,017% over the limit |
| Aluminum, total recoverable | 8 | 58 | 50 | January 31, 2024 | 1,224% over the limit |
| Nitrogen, ammonia total [as N] | 8 | 55 | 43 | March 31, 2024 | 821% over the limit |
| Zinc, total [as Zn] | 4 | 44 | 36 | January 31, 2024 | 2,432% over the limit |
| BOD, carbonaceous [5 day, 20 C] | 4 | 41 | 33 | February 29, 2024 | 816% over the limit |
| Phenolic compounds, total | 4 | 32 | 24 | November 30, 2024 | 1,067% over the limit |
| Chemical Oxygen Demand [COD] | 4 | 23 | 15 | February 29, 2024 | 383% over the limit |
| Oil & Grease | 4 | 17 | 5 | May 31, 2025 | 1,090% over the limit |
| BOD, carbonaceous [5 day, 5 C] | 0 | 4 | 4 | March 31, 2009 | 102% over the limit |
| Oxygen, dissolved [DO] | 1 | 5 | 3 | August 31, 2021 | 38% over the limit |
| Temperature, water deg. fahrenheit | 1 | 4 | 2 | August 31, 2019 | 3% over the limit |
| Chromium, hexavalent [as Cr] | 4 | 12 | 0 | ||
| Chromium, total [as Cr] | 4 | 8 | 0 | ||
| Flow, total | 2 | 6 | 0 | ||
| pH | 2 | 4 | 0 | ||
| Nitrogen, total [as N] | 2 | 0 | 0 | ||
| Phosphorus, total [as P] | 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 MS0001686.
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 MS0001686 there.
Nearby on the register
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.