Clean Water Act discharge permit · NPDES MSP091888
MASONITE CORPORATION, Laurel, MS: NPDES MSP091888 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 8Pollutants under a numeric limit
- 5Pollutants with an effluent exceedance
MASONITE CORPORATION holds NPDES permit MSP091888, which discharges to Ms0020176 - Laurel Potw #2. EPA’s file records it issued September 23, 2019 and expiring August 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 | MASONITE CORPORATION |
|---|---|
| Permittee as filed | MASONITE CORPORATION |
| NPDES ID | MSP091888 |
| Permit status | Effective |
| Permit type | Individual industrial user permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | September 23, 2019 |
| Expiration date | August 31, 2024 |
| Issuing agency | MDEQ |
| Address | Laurel, MS 39440 |
| Receiving water | MS0020176 - LAUREL POTW #2 |
| NAICS | 321219 – Reconstituted Wood Product Manufacturing |
| SIC | 2493 – Reconstituted Wood Products |
| Other EPA IDs (FRS) | RCRA handler MSD008182420; ICIS-AIR source MS0000002806700028 |
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
- 13Pollutants on file
- 8Under a numeric limit
- 12With 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 |
|---|---|---|---|---|---|
| Oil & grease [freon extr.-IR meth] tot, RC | 0 | 79 | 11 | March 31, 2007 | 57% over the limit |
| Solids, total suspended | 4 | 90 | 6 | November 30, 2022 | 158% over the limit |
| Oil & Grease | 4 | 7 | 3 | July 31, 2018 | 24% over the limit |
| Zinc, total recoverable | 0 | 89 | 1 | September 30, 2009 | 12% over the limit |
| pH | 2 | 43 | 1 | January 31, 2008 | |
| BOD, 5-day, 20 deg. C | 4 | 88 | 0 | ||
| Aluminum, total recoverable | 4 | 88 | 0 | ||
| Iron, total recoverable | 0 | 88 | 0 | ||
| Copper, total recoverable | 0 | 88 | 0 | ||
| Ammonia [as N] + unionized ammonia | 0 | 88 | 0 | ||
| Temperature, water deg. fahrenheit | 2 | 44 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 44 | 0 | ||
| Nitrogen, ammonia total [as N] | 4 | 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
- 1Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| November 28, 2022 | Effluent Violations - Inspection sample above historic DMR range | 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.
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 MSP091888 there.
Nearby on the register
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- Every permit record in Laurel, 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.