Clean Water Act discharge permit · NPDES PA0053538
MERCK WEST POINT, West Point, PA: NPDES PA0053538 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 7Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
MERCK WEST POINT, held by MERCK SHARP AND DOHME LLC, holds NPDES permit PA0053538, which discharges to Wissahickon Creek. EPA’s file records it issued September 17, 2020 and expiring September 30, 2025. 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 | MERCK WEST POINT |
|---|---|
| Permittee as filed | MERCK SHARP AND DOHME LLC |
| NPDES ID | PA0053538 |
| Permit status | Effective |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | September 17, 2020 |
| Expiration date | September 30, 2025 |
| Issuing agency | State Environmental Organization |
| Address | West Point, PA 19486 |
| Receiving water | Wissahickon Creek |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Skippack Creek (HUC 020402030808) |
| SIC | 2834 – Pharmaceutical Preparations |
| Other EPA IDs (FRS) | RCRA handler PAD002387926; ICIS-AIR source PA000250692 |
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
- 7Pollutants on file
- 7Under a numeric limit
- 7With 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] | 6 | 6 | 0 | ||
| pH | 6 | 6 | 0 | ||
| Solids, total suspended | 6 | 6 | 0 | ||
| Lead, total [as Pb] | 6 | 6 | 0 | ||
| Aluminum, total [as Al] | 6 | 6 | 0 | ||
| Flow, in conduit or thru treatment plant | 6 | 6 | 0 | ||
| Phosphorus, total [as P] | 3 | 3 | 0 |
EPA’s effluent violation file records no exceedance of a numeric limit for NPDES PA0053538.
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
- 6Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| April 3, 2024 | Management Practice Violations - Best Management Practice Deficiencies | ST6 |
| April 3, 2024 | Permit Violations - Discharge Without a Valid Permit | ST6 |
| April 3, 2024 | Permit Violations - Violation Specified in Comment | ST6 |
| December 6, 2023 | Management Practice Violations - Best Management Practice Deficiencies | ST6 |
| December 6, 2023 | Permit Violations - Discharge Without a Valid Permit | ST6 |
| December 6, 2023 | Permit Violations - Violation Specified in Comment | 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, PA0053538.
Start the watch
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- One watershed — $2,990/year
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How we handle your data → Privacy
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 PA0053538 there.
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Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.