Clean Water Act discharge permit · NPDES MSP091777
NANOCOR LLC, Aberdeen, MS: NPDES MSP091777 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 5Pollutants under a numeric limit
- 3Pollutants with an effluent exceedance
NANOCOR LLC, held by NANOCOR INC, holds NPDES permit MSP091777, which discharges to Ms0055581 - City Of Aberdeen. EPA’s file records it issued June 29, 2016 and expiring May 31, 2021. 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 | NANOCOR LLC |
|---|---|
| Permittee as filed | NANOCOR INC |
| NPDES ID | MSP091777 |
| Permit status | Effective |
| Permit type | Individual industrial user permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | June 29, 2016 |
| Expiration date | May 31, 2021 |
| Issuing agency | MDEQ |
| Address | Aberdeen, MS 39730 |
| Receiving water | MS0055581 - CITY OF ABERDEEN |
| NAICS | 327992 – Ground Or Treated Mineral and Earth Manufacturing |
| SIC | 3295 – Minerals, Ground Or Treated |
| Other EPA IDs (FRS) | ICIS-AIR source MS0000002809500003 |
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
- 5Pollutants on file
- 5Under a numeric limit
- 5With a violation of any kind
- 3With 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 | 35 | 31 | January 31, 2025 | |
| BOD, 5-day, 20 deg. C | 2 | 7 | 1 | December 31, 2023 | 7% over the limit |
| Solids, total suspended | 2 | 7 | 1 | October 31, 2022 | 8% over the limit |
| Nitrogen, ammonia total [as N] | 2 | 6 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 4 | 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 MSP091777.
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 MSP091777 there.
Nearby on the register
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- Every permit record in Aberdeen, 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.