Clean Water Act discharge permit · NPDES MSP091367
SMW MFG INC, Oxford, MS: NPDES MSP091367 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 11Pollutants under a numeric limit
- 2Pollutants with an effluent exceedance
SMW MFG INC holds NPDES permit MSP091367, which discharges to Ms0043079 - Lafayette Conty Ind Pk. EPA’s file records it issued August 7, 2019 and expiring July 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 | SMW MFG INC |
|---|---|
| Permittee as filed | SMW MFG INC |
| NPDES ID | MSP091367 |
| Permit status | Effective |
| Permit type | Individual industrial user permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | August 7, 2019 |
| Expiration date | July 31, 2024 |
| Issuing agency | MDEQ |
| Address | Oxford, MS 38655 |
| Receiving water | MS0043079 - LAFAYETTE CONTY IND PK |
| NAICS | 332912 – Fluid Power Valve and Hose Fitting Manufacturing |
| SIC | 3492 – Fluid Power Valves & Hose Fittings |
| Other EPA IDs (FRS) | RCRA handler MSR000004481 |
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
- 11Pollutants on file
- 11Under a numeric limit
- 10With a violation of any kind
- 2With 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 |
|---|---|---|---|---|---|
| Zinc, total recoverable | 4 | 31 | 15 | July 31, 2015 | 156% over the limit |
| Cyanide, total [as CN] | 4 | 13 | 1 | February 28, 2010 | 16% over the limit |
| Nickel, total recoverable | 4 | 15 | 0 | ||
| Silver total recoverable | 4 | 12 | 0 | ||
| Cadmium, total recoverable | 4 | 12 | 0 | ||
| Lead, total recoverable | 4 | 12 | 0 | ||
| Chromium, total recoverable | 4 | 12 | 0 | ||
| Copper, total recoverable | 4 | 12 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 8 | 0 | ||
| pH | 2 | 6 | 0 | ||
| Total toxic organics [TTO] [40 CFR433] | 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
- 0Single-event violations
EPA’s single-event violation file, as loaded, holds no violation for NPDES MSP091367.
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
One permit holder, $99/month. Watch the register for one permit holder and the places and receiving waters tied to its permits. Choose “One permit holder” and enter this permit’s NPDES ID, MSP091367.
Start the watch
- One permit holder — $99/month
- One watershed — $2,990/year
- One state — $4,990/year
- The whole register — $18,000/year
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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 MSP091367 there.
Nearby on the register
- Discharge permits in Oxford
- Every permit record in Oxford, 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.