Clean Water Act discharge permit · NPDES PA0027367
GREENVILLE WASTEWATER TREATMENT PLANT, Greenville, PA: NPDES PA0027367 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MajorDischarger class
- 16Pollutants under a numeric limit
- 7Pollutants with an effluent exceedance
GREENVILLE WASTEWATER TREATMENT PLANT, held by GREENVILLE BORO SANI AUTH MERCER CNTY, holds NPDES permit PA0027367, which discharges to Shenango River. EPA’s file records it issued February 28, 2024 and expiring February 28, 2029. 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 | GREENVILLE WASTEWATER TREATMENT PLANT |
|---|---|
| Permittee as filed | GREENVILLE BORO SANI AUTH MERCER CNTY |
| NPDES ID | PA0027367 |
| Permit status | Effective |
| Permit type | Individual permit |
| Discharger class | Major discharger |
| Facility type | Not a publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | February 28, 2024 |
| Expiration date | February 28, 2029 |
| Issuing agency | State Environmental Organization |
| Address | Greenville, PA 16125 |
| Receiving water | Shenango River |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Mathay Run-Shenango River (HUC 050301020403) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 16Pollutants on file
- 16Under a numeric limit
- 15With a violation of any kind
- 7With 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 |
|---|---|---|---|---|---|
| Chlorine, total residual | 2 | 25 | 21 | June 30, 2022 | 68% over the limit |
| Coliform, fecal general | 4 | 18 | 14 | January 31, 2024 | 99,999% over the limit |
| Phosphorus, total [as P] | 2 | 11 | 7 | September 30, 2025 | 32% over the limit |
| Solids, total suspended | 6 | 14 | 2 | March 31, 2008 | 35% over the limit |
| Nitrogen, ammonia total [as N] | 4 | 5 | 1 | August 31, 1998 | 51% over the limit |
| Aluminum, total [as Al] | 2 | 5 | 1 | September 30, 2025 | 20% over the limit |
| Copper, total [as Cu] | 2 | 3 | 1 | June 30, 2019 | 5% over the limit |
| BOD, carbonaceous [5 day, 20 C] | 4 | 8 | 0 | ||
| BOD, 5-day, 20 deg. C | 2 | 4 | 0 | ||
| pH | 2 | 4 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 4 | 0 | ||
| Oxygen, dissolved [DO] | 1 | 3 | 0 | ||
| Zinc, dissolved [as Zn] | 2 | 2 | 0 | ||
| Cyanide, free available | 2 | 2 | 0 | ||
| E. coli | 1 | 2 | 0 | ||
| Nitrogen, total [as N] | 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
- 6Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| March 4, 2026 | Permit Violations - Failure to Pay Fees | ST6 |
| August 20, 2025 | Permit Violations - Violation Specified in Comment | ST6 |
| July 22, 2025 | Permit Violations - Discharge Without a Valid Permit | ST6 |
| March 6, 2024 | Permit Violations - Violation Specified in Comment | ST6 |
| February 17, 2022 | Permit Violations - Violation Specified in Comment | ST6 |
| September 27, 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 PA0027367 there.
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Figures from EPA’s ICIS-NPDES download, loaded September 14, 2026.