Clean Water Act discharge permit · NPDES MS0054046
MISSISSIPPI LIGNITE MINING COMPANY, Ackerman, MS: NPDES MS0054046 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 13Pollutants under a numeric limit
- 6Pollutants with an effluent exceedance
MISSISSIPPI LIGNITE MINING COMPANY holds NPDES permit MS0054046, which discharges to Little Bywy Creek And Middle Bywy Creek. EPA’s file records it issued February 11, 2020 and expiring January 31, 2025. 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 | MISSISSIPPI LIGNITE MINING COMPANY |
|---|---|
| Permittee as filed | MISSISSIPPI LIGNITE MINING COMPANY |
| NPDES ID | MS0054046 |
| 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 | February 11, 2020 |
| Expiration date | January 31, 2025 |
| Issuing agency | MDEQ |
| Address | Ackerman, MS 39735 |
| Receiving water | LITTLE BYWY CREEK AND MIDDLE BYWY CREEK |
| NAICS | 212111 – Bituminous Coal and Lignite Surface Mining |
| SIC | 1221 – Bituminous Coal And Lignite - Surface |
Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download.
Effluent limits and exceedances
- 16Pollutants on file
- 13Under a numeric limit
- 15With a violation of any kind
- 6With 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 |
|---|---|---|---|---|---|
| Coliform, fecal general | 0 | 18 | 16 | October 31, 2006 | 547% over the limit |
| Chlorine, total residual | 2 | 14 | 12 | September 30, 2007 | 1,445% over the limit |
| Solids, total suspended | 18 | 20 | 6 | December 31, 2010 | 1,134% over the limit |
| Nitrogen, ammonia total [as N] | 0 | 3 | 3 | October 31, 2003 | 400% over the limit |
| BOD, 5-day, 20 deg. C | 2 | 6 | 2 | July 31, 2003 | 333% over the limit |
| Specific conductance | 12 | 1 | 1 | February 29, 2020 | 92% over the limit |
| Flow, in conduit or thru treatment plant | 26 | 24 | 0 | ||
| pH | 26 | 20 | 0 | ||
| Rainfall duration | 24 | 18 | 0 | ||
| Rainfall | 24 | 18 | 0 | ||
| Iron, total recoverable | 16 | 12 | 0 | ||
| Manganese, total recoverable | 16 | 12 | 0 | ||
| Solids, settleable | 6 | 7 | 0 | ||
| Selenium, total recoverable | 52 | 2 | 0 | ||
| Copper, total recoverable | 0 | 2 | 0 | ||
| E. coli | 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
- 1Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| May 27, 2022 | Monitoring Violations - Improper Analysis or Lab Error | ST6 |
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 MS0054046 there.
Nearby on the register
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- Every permit record in Ackerman, 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.