Clean Water Act discharge permit · NPDES PA0021768
SOMERSET BORO MAIN STP, Somerset, PA: NPDES PA0021768 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MajorDischarger class
- 10Pollutants under a numeric limit
- 7Pollutants with an effluent exceedance
SOMERSET BORO MAIN STP, held by SOMERSET BORO MUNI AUTH SOMERSET CNTY, holds NPDES permit PA0021768, which discharges to East Branch Coxes Creek. EPA’s file records it issued June 4, 2012 and expiring June 30, 2017. 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 | SOMERSET BORO MAIN STP |
|---|---|
| Permittee as filed | SOMERSET BORO MUNI AUTH SOMERSET CNTY |
| NPDES ID | PA0021768 |
| Permit status | Effective |
| Permit type | Individual permit |
| Discharger class | Major discharger |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | June 4, 2012 |
| Expiration date | June 30, 2017 |
| Issuing agency | State Environmental Organization |
| Address | Somerset, PA 15501 |
| Receiving water | East Branch Coxes Creek |
| Subwatershed | Lake Somerset-East Branch Coxes Creek (HUC 050200060501) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 12Pollutants on file
- 10Under a numeric limit
- 12With 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 |
|---|---|---|---|---|---|
| Coliform, fecal general | 4 | 51 | 47 | May 31, 2026 | 99,999% over the limit |
| Solids, total suspended | 7 | 34 | 20 | June 30, 2004 | 145% over the limit |
| Iron, total [as Fe] | 3 | 21 | 15 | May 31, 2021 | 73% over the limit |
| Chlorine, total residual | 2 | 15 | 11 | August 31, 2010 | 18% over the limit |
| Nitrogen, ammonia total [as N] | 8 | 16 | 10 | February 28, 2015 | 139% over the limit |
| BOD, carbonaceous [5 day, 20 C] | 4 | 14 | 6 | February 28, 2015 | 202% over the limit |
| pH | 2 | 5 | 1 | May 31, 2004 | |
| BOD, 5-day, 20 deg. C | 3 | 6 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 4 | 0 | ||
| Oxygen, dissolved [DO] | 1 | 2 | 0 | ||
| Nitrogen, total [as N] | 0 | 1 | 0 | ||
| Phosphorus, total [as P] | 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
- 12Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| August 13, 2026 | Permit Violations - Discharge Without a Valid Permit | ST6 |
| February 5, 2026 | Failure to minimize or prevent an unanticipated prohibited bypass to waters of the U.S. | ST6 |
| January 14, 2025 | Failure to minimize or prevent an unanticipated prohibited bypass to waters of the U.S. | ST6 |
| January 10, 2024 | Failure to minimize or prevent an unanticipated prohibited bypass to waters of the U.S. | ST6 |
| February 15, 2023 | Failure to minimize or prevent an unanticipated prohibited bypass to waters of the U.S. | ST6 |
| March 1, 2022 | Effluent Violations - Unapproved Bypass | ST6 |
| March 1, 2022 | Effluent Violations - Numeric effluent violation | ST6 |
| March 10, 2021 | Effluent Violations - Numeric effluent violation | ST6 |
| March 10, 2021 | Effluent Violations - Unapproved Bypass | ST6 |
| January 7, 2020 | Effluent Violations - Numeric effluent violation | ST6 |
| February 7, 2019 | Effluent Violations - Numeric effluent violation | ST6 |
| March 13, 2018 | 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.
Watch this permit
One permit holder, $99/month. Watch the register for one permit holder and the places and receiving waters tied to its permits. Choose “One permit holder” and enter this permit’s NPDES ID, PA0021768.
Start the watch
- One permit holder — $99/month
- One watershed — $2,990/year
- One state — $4,990/year
- The whole register — $18,000/year
How we handle your data → Privacy
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 PA0021768 there.
Nearby on the register
- Discharge permits in Somerset
- Every permit record in Somerset, A to Z
- Discharge permits in Pennsylvania
- Every permit record in Pennsylvania, A to Z
Figures from EPA’s ICIS-NPDES download, loaded September 14, 2026.