Clean Water Act discharge permit · NPDES MSP090826
STERLING SPECIALITY CHEMICIALS US LLC, Aberdeen, MS: NPDES MSP090826 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 6Pollutants under a numeric limit
- 5Pollutants with an effluent exceedance
STERLING SPECIALITY CHEMICIALS US LLC, held by KEMIRA CHEMICALS INC, holds NPDES permit MSP090826, which discharges to Ms0024775 - Aberdeen Potw South. EPA’s file records it issued April 10, 2019 and expiring March 31, 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 | STERLING SPECIALITY CHEMICIALS US LLC |
|---|---|
| Permittee as filed | KEMIRA CHEMICALS INC |
| NPDES ID | MSP090826 |
| Permit status | Effective |
| Permit type | Individual industrial user permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | April 10, 2019 |
| Expiration date | March 31, 2024 |
| Issuing agency | MDEQ |
| Address | Aberdeen, MS 39730 |
| Receiving water | MS0024775 - ABERDEEN POTW SOUTH |
| NAICS | 325211 – Plastics Material and Resin Manufacturing |
| SIC | 2821 – Plastics Materials And Resins |
| Other EPA IDs (FRS) | RCRA handler MSR000005140; ICIS-AIR source MS0000002809500013 |
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
- 8Pollutants on file
- 6Under a numeric limit
- 8With 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 |
|---|---|---|---|---|---|
| BOD, 5-day, 20 deg. C | 2 | 11 | 5 | June 30, 2026 | 503% over the limit |
| Nitrogen, Kjeldahl, total [as N] | 2 | 4 | 4 | December 31, 2020 | 126% over the limit |
| Nitrogen, total [as N] | 0 | 7 | 3 | March 31, 2012 | 580% over the limit |
| pH | 0 | 3 | 3 | January 31, 2006 | |
| Solids, total suspended | 2 | 7 | 1 | July 31, 2005 | 28% over the limit |
| Flow, in conduit or thru treatment plant | 2 | 12 | 0 | ||
| Oil & Grease | 2 | 6 | 0 | ||
| Lead, total recoverable | 2 | 6 | 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 |
|---|---|---|
| June 5, 2024 | 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.
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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 MSP090826 there.
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.