Clean Water Act discharge permit · NPDES MA0100676
SOMERSET W P C F, Somerset, MA: NPDES MA0100676 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 13Pollutants under a numeric limit
- 12Pollutants with an effluent exceedance
SOMERSET W P C F holds NPDES permit MA0100676, which discharges to Taunton River. EPA’s file records it issued May 11, 2004 and expiring September 30, 2008. The status and dates are as EPA’s permit file stood when Velarion loaded it (October 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | SOMERSET W P C F |
|---|---|
| Permittee as filed | SOMERSET W P C F |
| NPDES ID | MA0100676 |
| 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 | May 11, 2004 |
| Expiration date | September 30, 2008 |
| Address | Somerset, MA 02725 |
| Receiving water | TAUNTON RIVER |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Taunton River-Frontal Mount Hope Bay (HUC 010900040804) |
| Program components on file | Biosolids, POTW, Pretreatment |
| SIC | 4952 – Sewerage Systems |
Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download.
Effluent limits and exceedances
- 15Pollutants on file
- 13Under a numeric limit
- 14With a violation of any kind
- 12With 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 |
|---|---|---|---|---|---|
| pH | 2 | 181 | 175 | July 31, 2025 | |
| BOD, 5-day, percent removal | 1 | 38 | 35 | March 31, 2026 | 183% over the limit |
| Solids, settleable | 3 | 27 | 27 | November 30, 2021 | 5,233% over the limit |
| Chlorine, total residual | 2 | 32 | 26 | March 31, 2026 | 324% over the limit |
| Enterococci | 0 | 20 | 14 | November 30, 2025 | 1,438% over the limit |
| Nitrogen, total [as N] | 0 | 19 | 12 | July 31, 2026 | 119% over the limit |
| Coliform, fecal general | 3 | 16 | 10 | August 31, 2025 | 99,999% over the limit |
| BOD, 5-day, 20 deg. C | 7 | 26 | 8 | January 31, 2024 | 229% over the limit |
| Solids, suspended percent removal | 1 | 11 | 8 | March 31, 2024 | 306% over the limit |
| Flow, in conduit or thru treatment plant | 2 | 16 | 6 | August 31, 2014 | 95% over the limit |
| Solids, total suspended | 7 | 23 | 5 | October 31, 2013 | 421% over the limit |
| LC50 Static 48Hr Acute Menidia | 1 | 2 | 1 | November 30, 2013 | 5% over the limit |
| Nitrogen, Kjeldahl, total [as N] | 1 | 7 | 0 | ||
| Nitrite + Nitrate total [as N] | 1 | 6 | 0 | ||
| Nitrogen, ammonia total [as N] | 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
- 0Single-event violations
EPA’s single-event violation file, as loaded, holds no violation for NPDES MA0100676.
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
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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 MA0100676 there.
Nearby on the register
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- Every permit record in Somerset, A to Z
- Discharge permits in Massachusetts
- Every permit record in Massachusetts, A to Z
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.