Clean Water Act discharge permit · NPDES MSP092360
AC POLYMERS INC, Byhalia, MS: NPDES MSP092360 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 47Pollutants under a numeric limit
- 5Pollutants with an effluent exceedance
AC POLYMERS INC holds NPDES permit MSP092360. EPA’s file records it issued December 12, 2019 and expiring November 30, 2024. 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 | AC POLYMERS INC |
|---|---|
| Permittee as filed | AC POLYMERS INC |
| NPDES ID | MSP092360 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual industrial user permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | December 12, 2019 |
| Expiration date | November 30, 2024 |
| Issuing agency | MDEQ |
| Address | Byhalia, MS 38611 |
| NAICS | 325211 – Plastics Material and Resin Manufacturing |
| SIC | 2821 – Plastics Materials And Resins |
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
- 47Pollutants on file
- 47Under a numeric limit
- 47With a violation of any kind
- 5With 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 |
|---|---|---|---|---|---|
| Flow, in conduit or thru treatment plant | 2 | 35 | 31 | June 30, 2026 | 33% over the limit |
| Solids, total suspended | 4 | 40 | 20 | June 30, 2026 | 934% over the limit |
| Naphthalene | 4 | 13 | 5 | June 30, 2024 | 489% over the limit |
| Ethylbenzene | 4 | 16 | 2 | June 30, 2025 | 970% over the limit |
| pH | 2 | 5 | 1 | April 30, 2015 | |
| BOD, 5-day, 20 deg. C | 4 | 16 | 0 | ||
| Chemical Oxygen Demand [COD] | 4 | 16 | 0 | ||
| Chloroform | 4 | 10 | 0 | ||
| Benzene | 4 | 10 | 0 | ||
| Carbon tetrachloride | 4 | 8 | 0 | ||
| 1,2-Dichloroethane | 4 | 8 | 0 | ||
| Toluene | 4 | 8 | 0 | ||
| Acenaphthene | 4 | 8 | 0 | ||
| Anthracene | 4 | 8 | 0 | ||
| Chlorobenzene | 4 | 8 | 0 | ||
| Diethyl phthalate | 4 | 8 | 0 | ||
| Dimethyl phthalate | 4 | 8 | 0 | ||
| Fluoranthene | 4 | 8 | 0 | ||
| Fluorene | 4 | 8 | 0 | ||
| Hexachloroethane | 4 | 8 | 0 | ||
| Methyl chloride [Chloromethane] | 4 | 8 | 0 | ||
| Methylene chloride | 4 | 8 | 0 | ||
| Nitrobenzene | 4 | 8 | 0 | ||
| Phenanthrene | 4 | 8 | 0 | ||
| Pyrene | 4 | 8 | 0 | ||
| 1,1-Dichloroethane | 4 | 8 | 0 | ||
| 1,1-Dichloroethylene | 4 | 8 | 0 | ||
| 1,1,1-Trichloroethane | 4 | 8 | 0 | ||
| 1,1,2-Trichloroethane | 4 | 8 | 0 | ||
| 1,2-Dichlorobenzene | 4 | 8 | 0 | ||
| 1,2-Dichloropropane | 4 | 8 | 0 | ||
| trans-1,2-Dichloroethylene | 4 | 8 | 0 | ||
| 1,2,4-Trichlorobenzene | 4 | 8 | 0 | ||
| 1,3-Dichlorobenzene | 4 | 8 | 0 | ||
| 1,4-Dichlorobenzene | 4 | 8 | 0 | ||
| 2-Nitrophenol | 4 | 8 | 0 | ||
| 4-Nitrophenol | 4 | 8 | 0 | ||
| 4,6-Dinitro-o-cresol | 4 | 8 | 0 | ||
| Di[2-ethylhexyl] phthalate [DEHP] | 4 | 8 | 0 | ||
| Di-n-butyl phthalate | 4 | 8 | 0 | ||
| Vinyl chloride | 4 | 8 | 0 | ||
| Trichloroethylene | 4 | 8 | 0 | ||
| Hexachlorobenzene | 4 | 8 | 0 | ||
| Hexachlorobutadiene | 4 | 8 | 0 | ||
| 1,3-Dichloropropylene | 4 | 8 | 0 | ||
| Chloroethane | 4 | 8 | 0 | ||
| Tetrachloroethylene | 4 | 8 | 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 MSP092360.
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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Nearby on the register
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- Every permit record in Mississippi, A to Z
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.