Clean Water Act discharge permit · NPDES PA0054810
PERKIOMEN CROSSING STP, Frederick, PA: NPDES PA0054810 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 12Pollutants under a numeric limit
- 6Pollutants with an effluent exceedance
PERKIOMEN CROSSING STP, held by UPPER FREDERICK TWP MONTGOMERY CNTY, holds NPDES permit PA0054810, which discharges to Goshenhoppen Creek. EPA’s file records it issued April 3, 2017 and expiring April 30, 2022. 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 | PERKIOMEN CROSSING STP |
|---|---|
| Permittee as filed | UPPER FREDERICK TWP MONTGOMERY CNTY |
| NPDES ID | PA0054810 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | April 3, 2017 |
| Expiration date | April 30, 2022 |
| Issuing agency | State Environmental Organization |
| Address | Frederick, PA 19435 |
| Receiving water | Goshenhoppen Creek |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Swamp Creek (HUC 020402030805) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 13Pollutants on file
- 12Under a numeric limit
- 13With a violation of any kind
- 6With 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 |
|---|---|---|---|---|---|
| BOD, carbonaceous [5 day, 20 C] | 4 | 16 | 8 | October 31, 2025 | 56% over the limit |
| Nitrite + Nitrate total [as N] | 2 | 9 | 5 | October 31, 2025 | 133% over the limit |
| Solids, total suspended | 6 | 16 | 4 | October 31, 2025 | 284% over the limit |
| Phosphorus, total [as P] | 2 | 7 | 3 | October 31, 2025 | 560% over the limit |
| Chlorine, total residual | 2 | 7 | 3 | October 31, 2024 | 35% over the limit |
| Coliform, fecal general | 6 | 10 | 2 | December 31, 2017 | 510% over the limit |
| Flow, in conduit or thru treatment plant | 3 | 6 | 0 | ||
| Nitrogen, ammonia total [as N] | 4 | 4 | 0 | ||
| BOD, 5-day, 20 deg. C | 2 | 4 | 0 | ||
| pH | 2 | 4 | 0 | ||
| Oxygen, dissolved [DO] | 1 | 2 | 0 | ||
| Nitrogen, total [as N] | 1 | 2 | 0 | ||
| E. coli | 0 | 1 | 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
- 4Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| May 1, 2026 | Reporting Violations - Failure to submit required report (non-DMR non-pretreatment) | ST6 |
| July 10, 2025 | Permit Violations - Failure to Pay Fees | ST6 |
| November 27, 2024 | Permit Violations - Discharge Without a Valid Permit | ST6 |
| May 4, 2020 | Effluent Violations - Numeric effluent violation | 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.
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Nearby on the register
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Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.