Clean Water Act discharge permit · NPDES PA0026786
POTTSTOWN BORO STP, Pottstown, PA: NPDES PA0026786 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 33Pollutants under a numeric limit
- 10Pollutants with an effluent exceedance
POTTSTOWN BORO STP, held by POTTSTOWN BORO AUTH MONTGOMERY CNTY, holds NPDES permit PA0026786, which discharges to Schuylkill River. EPA’s file records it issued November 1, 2016 and expiring November 30, 2021. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | POTTSTOWN BORO STP |
|---|---|
| Permittee as filed | POTTSTOWN BORO AUTH MONTGOMERY CNTY |
| NPDES ID | PA0026786 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Major discharger |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | November 1, 2016 |
| Expiration date | November 30, 2021 |
| Issuing agency | State Environmental Organization |
| Address | Pottstown, PA 19464 |
| Receiving water | Schuylkill River |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Sprogles Run-Schuylkill River (HUC 020402031002) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 46Pollutants on file
- 33Under a numeric limit
- 35With a violation of any kind
- 10With 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 |
|---|---|---|---|---|---|
| Solids, total dissolved | 8 | 54 | 46 | September 30, 2021 | 168% over the limit |
| Coliform, fecal general | 3 | 25 | 22 | September 30, 2025 | 167% over the limit |
| Chlorine, total residual | 2 | 9 | 5 | August 31, 2024 | 82% over the limit |
| BOD, carbonaceous [5 day, 20 C] | 9 | 13 | 4 | December 31, 2007 | 128% over the limit |
| Nitrogen, ammonia total [as N] | 4 | 8 | 4 | March 31, 2026 | 33% over the limit |
| Copper, total [as Cu] | 1 | 9 | 3 | December 31, 2024 | 100% over the limit |
| Selenium, total [as Se] | 0 | 4 | 3 | June 30, 2024 | 54% over the limit |
| Solids, total suspended | 6 | 11 | 2 | April 30, 2026 | 29% over the limit |
| pH | 3 | 6 | 2 | June 30, 2011 | |
| Cyanide, free available | 1 | 2 | 1 | August 31, 2023 | 45% over the limit |
| Oxygen, dissolved [DO] | 2 | 6 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 4 | 0 | ||
| Phosphorus, total [as P] | 3 | 3 | 0 | ||
| Zinc, total [as Zn] | 1 | 3 | 0 | ||
| BOD, 5-day, 20 deg. C | 2 | 2 | 0 | ||
| Nitrogen, total [as N] | 2 | 2 | 0 | ||
| Arsenic, total [as As] | 0 | 2 | 0 | ||
| Boron, total [as B] | 0 | 2 | 0 | ||
| Manganese, total [as Mn] | 0 | 2 | 0 | ||
| Bromoform | 0 | 2 | 0 | ||
| Oil & Grease | 1 | 1 | 0 | ||
| Chloride [as Cl] | 1 | 1 | 0 | ||
| Sulfate, total [as SO4] | 1 | 1 | 0 | ||
| Aluminum, total [as Al] | 1 | 1 | 0 | ||
| PCBs Dry Weather Analysis | 1 | 1 | 0 | ||
| Bromide [as Br] | 1 | 1 | 0 | ||
| Tritium, total | 1 | 1 | 0 | ||
| Cyanide, weak acid, dissociable | 0 | 1 | 0 | ||
| Cadmium, total [as Cd] | 0 | 1 | 0 | ||
| Lead, total [as Pb] | 0 | 1 | 0 | ||
| Silver, total [as Ag] | 0 | 1 | 0 | ||
| Chlorodibromomethane | 0 | 1 | 0 | ||
| Di[2-ethylhexyl] phthalate [DEHP] | 0 | 1 | 0 | ||
| Vinyl chloride | 0 | 1 | 0 | ||
| E. coli | 0 | 1 | 0 | ||
| Oxygen demand, chem. [high level] [COD] | 1 | 0 | 0 | ||
| Nitrogen, Kjeldahl, total [as N] | 1 | 0 | 0 | ||
| Iron, dissolved [as Fe] | 1 | 0 | 0 | ||
| Phenolics, total recoverable | 1 | 0 | 0 | ||
| Benzidine | 1 | 0 | 0 | ||
| PCBs Wet Weather Analysis | 1 | 0 | 0 | ||
| Toxicity [chronic], Ceriodaphnia dubia | 1 | 0 | 0 | ||
| Toxicity [chronic], Pimephales promelas [Fathead Minnow] | 1 | 0 | 0 | ||
| Mercury, total [as Hg] | 1 | 0 | 0 | ||
| TU Static 7Day Chronic Ceriodaphnia dubia | 1 | 0 | 0 | ||
| Static 7Day Chronic Pimephales Promelas | 1 | 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
- 8Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| December 3, 2025 | Permit Violations - Discharge Without a Valid Permit | ST6 |
| October 24, 2025 | Permit Violations - Discharge Without a Valid Permit | ST6 |
| October 3, 2022 | Permit Violations - Violation Specified in Comment | ST6 |
| May 9, 2022 | Effluent Violations - Unapproved Bypass | ST6 |
| May 9, 2022 | Reporting Violations - Failure to Notify | ST6 |
| May 9, 2022 | Failure to minimize or prevent an unanticipated prohibited bypass to waters of the U.S. | ST6 |
| February 17, 2021 | WW SSO - Discharge to Waters | ST6 |
| May 5, 2020 | WW SSO - Discharge to Waters | 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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Figures from EPA’s ICIS-NPDES download, loaded September 14, 2026.