Clean Water Act discharge permit · NPDES MSP091379
WEYERHAEUSER NR COMPANY, PHILADELPHIA FACILITY, Philadelphia, MS: NPDES MSP091379 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 6Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
WEYERHAEUSER NR COMPANY, PHILADELPHIA FACILITY, held by WEYERHAEUSER NR CO, PHILADELPHIA FACILITY, holds NPDES permit MSP091379, which discharges to Ms0021156 - Philadelphia Potw. EPA’s file records it issued July 11, 2017 and expiring June 30, 2022. 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 | WEYERHAEUSER NR COMPANY, PHILADELPHIA FACILITY |
|---|---|
| Permittee as filed | WEYERHAEUSER NR CO, PHILADELPHIA FACILITY |
| NPDES ID | MSP091379 |
| Permit status | Effective |
| Permit type | Individual industrial user permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | July 11, 2017 |
| Expiration date | June 30, 2022 |
| Issuing agency | MDEQ |
| Address | Philadelphia, MS 39350 |
| Receiving water | MS0021156 - PHILADELPHIA POTW |
| NAICS | 321113 – Sawmills |
| SIC | 2421 – Sawmills And Planing Mills, General |
| Other EPA IDs (FRS) | RCRA handler MSD980557375; ICIS-AIR source MS0000002809900012 |
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
- 6Pollutants on file
- 6Under a numeric limit
- 1With a violation of any kind
- 0With 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 | 2 | 0 | ||
| BOD, 5-day, 20 deg. C | 2 | 0 | 0 | ||
| pH | 2 | 0 | 0 | ||
| Solids, total suspended | 2 | 0 | 0 | ||
| Oil & Grease | 2 | 0 | 0 | ||
| Nitrogen, ammonia total [as N] | 2 | 0 | 0 |
EPA’s effluent violation file records no exceedance of a numeric limit for NPDES MSP091379.
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 |
|---|---|---|
| February 13, 2025 | 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.
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, MSP091379.
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- One state — $4,990/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 MSP091379 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.