Clean Water Act discharge permit · NPDES MS0023558
SOUTHEASTERN TIMBER PRODUCTS LLC, Ackerman, MS: NPDES MS0023558 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 2Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
SOUTHEASTERN TIMBER PRODUCTS LLC, held by SOUTHEASTERN TIMBER PRODUCTS LLC, ACKERMAN PLANT, holds NPDES permit MS0023558, which discharges to Yockanookany River. EPA’s file records it issued April 15, 2020 and expiring March 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 | SOUTHEASTERN TIMBER PRODUCTS LLC |
|---|---|
| Permittee as filed | SOUTHEASTERN TIMBER PRODUCTS LLC, ACKERMAN PLANT |
| NPDES ID | MS0023558 |
| Permit status | Effective |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | April 15, 2020 |
| Expiration date | March 31, 2025 |
| Address | Ackerman, MS 39735 |
| Receiving water | YOCKANOOKANY RIVER |
| Subwatershed | Upper Yockanookany River (HUC 031800011101) |
| NAICS | 321113 – Sawmills |
| SIC | 2421 – Sawmills And Planing Mills, General |
| Other EPA IDs (FRS) | ICIS-AIR source MS0000002801900005 |
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
- 2Pollutants on file
- 2Under a numeric limit
- 2With a violation of any kind
- 0With 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 |
|---|---|---|---|---|---|
| pH | 2 | 2 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 2 | 0 |
EPA’s effluent violation file records no exceedance of a numeric limit for NPDES MS0023558.
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 MS0023558.
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 MS0023558 there.
Nearby on the register
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- Every permit record in Ackerman, A to Z
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- Every permit record in Mississippi, A to Z
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.