Clean Water Act discharge permit · NPDES PA0026387
ST MARYS WWTP, Saint Marys, PA: NPDES PA0026387 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 12Pollutants under a numeric limit
- 11Pollutants with an effluent exceedance
ST MARYS WWTP, held by St. Marys Municipal Authority, holds NPDES permit PA0026387, which discharges to Elk Creek. EPA’s file records it issued October 30, 2008 and expiring October 31, 2013. 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 | ST MARYS WWTP |
|---|---|
| Permittee as filed | St. Marys Municipal Authority |
| NPDES ID | PA0026387 |
| 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 | October 30, 2008 |
| Expiration date | October 31, 2013 |
| Address | Saint Marys, PA 15857 |
| Receiving water | Elk Creek |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Laurel Run Dam-Elk Creek (HUC 050100050301) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 18Pollutants on file
- 12Under a numeric limit
- 17With a violation of any kind
- 11With 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 suspended | 4 | 146 | 134 | April 30, 2024 | 2,928% over the limit |
| Zinc, total [as Zn] | 6 | 73 | 69 | December 31, 2023 | 248% over the limit |
| Coliform, fecal general | 2 | 34 | 30 | September 30, 2024 | 99,999% over the limit |
| Nitrogen, ammonia total [as N] | 4 | 19 | 15 | October 31, 2016 | 183% over the limit |
| BOD, carbonaceous [5 day, 20 C] | 4 | 21 | 13 | August 31, 2005 | 327% over the limit |
| Oxygen, dissolved [DO] | 1 | 10 | 8 | August 31, 2005 | 40% over the limit |
| Silver, total [as Ag] | 0 | 7 | 7 | March 31, 2007 | 85% over the limit |
| Di[2-ethylhexyl] phthalate [DEHP] | 4 | 10 | 6 | March 31, 2018 | 200% over the limit |
| Copper, total [as Cu] | 0 | 2 | 2 | October 31, 2003 | 50% over the limit |
| pH | 2 | 5 | 1 | December 31, 1999 | |
| Chlorine, total residual | 0 | 1 | 1 | December 31, 2002 | 50% over the limit |
| Flow, in conduit or thru treatment plant | 2 | 4 | 0 | ||
| BOD, 5-day, 20 deg. C | 0 | 4 | 0 | ||
| Ultraviolet light intensity | 1 | 2 | 0 | ||
| Nitrogen, total [as N] | 0 | 2 | 0 | ||
| Phosphorus, total [as P] | 0 | 2 | 0 | ||
| Ultraviolet light dosage | 1 | 1 | 0 | ||
| Toxicity [chronic], Pimephales promelas [Fathead Minnow] | 2 | 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
- 2Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| December 7, 2022 | Permit Violations - Violation Specified in Comment | ST6 |
| August 3, 2021 | 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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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 PA0026387 there.
Nearby on the register
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Figures from EPA’s ICIS-NPDES download, loaded September 14, 2026.