Clean Water Act discharge permit · NPDES PAG038474
MERSEN USA GS-NAC CORP, Punxsutawney, PA: NPDES PAG038474 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 6Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
MERSEN USA GS-NAC CORP, held by NAC CARBON PROD INC, holds NPDES permit PAG038474, which discharges to Elk Run. EPA’s file records it issued August 1, 2024 and expiring March 23, 2028. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 15, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | MERSEN USA GS-NAC CORP |
|---|---|
| Permittee as filed | NAC CARBON PROD INC |
| NPDES ID | PAG038474 |
| Permit status | Effective |
| Permit type | Coverage under a general permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | August 1, 2024 |
| Expiration date | March 23, 2028 |
| Issuing agency | State Environmental Organization |
| Address | Punxsutawney, PA 15767 |
| Receiving water | Elk Run |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Elk Run (HUC 050100060705) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 6Pollutants on file
- 6Under a numeric limit
- 6With 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 |
|---|---|---|---|---|---|
| Oxygen demand, chem. [high level] [COD] | 5 | 5 | 0 | ||
| pH | 5 | 5 | 0 | ||
| Solids, total suspended | 5 | 5 | 0 | ||
| Oil & Grease | 5 | 5 | 0 | ||
| Nitrogen, total [as N] | 5 | 5 | 0 | ||
| Phosphorus, total [as P] | 5 | 5 | 0 |
EPA’s effluent violation file records no exceedance of a numeric limit for NPDES PAG038474.
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 PAG038474.
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 PAG038474 there.
Nearby on the register
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- Every permit record in Punxsutawney, A to Z
- Discharge permits in Pennsylvania
- Every permit record in Pennsylvania, A to Z
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.