Clean Water Act discharge permit · NPDES PA0026891
CHARLEROI BORO AUTH STP, Charleroi, PA: NPDES PA0026891 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MajorDischarger class
- 16Pollutants under a numeric limit
- 6Pollutants with an effluent exceedance
CHARLEROI BORO AUTH STP, held by CHARLEROI BORO AUTH WASHINGTON CNTY, holds NPDES permit PA0026891, which discharges to Unt To Monongahela River. EPA’s file records it issued February 3, 2023 and expiring February 29, 2028. 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 | CHARLEROI BORO AUTH STP |
|---|---|
| Permittee as filed | CHARLEROI BORO AUTH WASHINGTON CNTY |
| NPDES ID | PA0026891 |
| Permit status | Effective |
| Permit type | Individual permit |
| Discharger class | Major discharger |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | February 3, 2023 |
| Expiration date | February 29, 2028 |
| Issuing agency | State Environmental Organization |
| Address | Charleroi, PA 15022 |
| Receiving water | UNT To Monongahela River |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Little Redstone Creek-Monongahela River (HUC 050200050802) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 16Pollutants on file
- 16Under a numeric limit
- 16With 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 |
|---|---|---|---|---|---|
| Coliform, fecal general | 8 | 26 | 21 | December 31, 2025 | 99,999% over the limit |
| BOD, carbonaceous [5 day, 20 C] | 8 | 15 | 5 | January 31, 2006 | 39% over the limit |
| BOD, carb-5 day, 20 deg C, percent removal | 1 | 4 | 3 | April 30, 2025 | 53% over the limit |
| Solids, total suspended | 11 | 13 | 2 | May 31, 1999 | 17% over the limit |
| Chlorine, total residual | 2 | 6 | 1 | August 31, 1998 | 42% over the limit |
| Solids, suspended percent removal | 1 | 2 | 1 | March 31, 2023 | 36% over the limit |
| Nitrogen, ammonia total [as N] | 5 | 5 | 0 | ||
| pH | 4 | 4 | 0 | ||
| Flow, in conduit or thru treatment plant | 4 | 4 | 0 | ||
| BOD, 5-day, 20 deg. C | 3 | 3 | 0 | ||
| Nitrogen, total [as N] | 2 | 3 | 0 | ||
| Phosphorus, total [as P] | 2 | 3 | 0 | ||
| Copper, total [as Cu] | 2 | 2 | 0 | ||
| E. coli | 2 | 2 | 0 | ||
| Oxygen, dissolved [DO] | 1 | 1 | 0 | ||
| Ultraviolet light transmittance | 1 | 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
- 13Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| November 13, 2025 | Permit Violations - Violation Specified in Comment | ST6 |
| November 13, 2025 | Effluent Violations - Numeric effluent violation | ST6 |
| November 13, 2025 | Failure to minimize or prevent SSO to waters of the U.S. - adverse impacts [40 CFR 122.41(d)] | ST6 |
| December 17, 2024 | Permit Violations - Violation Specified in Comment | ST6 |
| December 17, 2024 | Failure to minimize or prevent SSO to waters of the U.S. - adverse impacts [40 CFR 122.41(d)] | ST6 |
| January 4, 2024 | Failure to minimize or prevent SSO to waters of the U.S. - adverse impacts [40 CFR 122.41(d)] | ST6 |
| January 4, 2024 | Permit Violations - Violation Specified in Comment | ST6 |
| October 18, 2022 | Effluent Violations - Unapproved Bypass | ST6 |
| October 18, 2022 | Failure to minimize or prevent an unanticipated prohibited bypass to waters of the U.S. | ST6 |
| October 19, 2021 | Permit Violations - Violation Specified in Comment | ST6 |
| October 19, 2021 | WW SSO - Discharge to Waters | ST6 |
| August 1, 2019 | WW SSO - Discharge to Waters | ST6 |
| August 1, 2019 | Permit Violations - Discharge Without a Valid Permit | 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 PA0026891 there.
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Figures from EPA’s ICIS-NPDES download, loaded September 14, 2026.