Clean Water Act discharge permit · NPDES MA0100170
OXFORD ROCHDALE SD WWTP, Oxford, MA: NPDES MA0100170 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 14Pollutants under a numeric limit
- 6Pollutants with an effluent exceedance
OXFORD ROCHDALE SD WWTP, held by OXFORD-ROCHDALE SEWER DISTRICT, holds NPDES permit MA0100170, which discharges to French River. EPA’s file records it issued June 22, 2005 and expiring August 31, 2010. 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 | OXFORD ROCHDALE SD WWTP |
|---|---|
| Permittee as filed | OXFORD-ROCHDALE SEWER DISTRICT |
| NPDES ID | MA0100170 |
| Permit status | Effective |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | June 22, 2005 |
| Expiration date | August 31, 2010 |
| Address | Oxford, MA 01540 |
| Receiving water | FRENCH RIVER |
| Subwatershed | Upper French River (HUC 011000010201) |
| 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
- 14Under a numeric limit
- 14With 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 |
|---|---|---|---|---|---|
| NOEL Static Renewal 7Day Chronic Ceriodaphnia dubia | 1 | 3 | 3 | June 30, 2010 | 99,999% over the limit |
| BOD, carbonaceous [5 day, 20 C] | 8 | 12 | 2 | September 30, 2009 | 67% over the limit |
| Nitrogen, ammonia total [as N] | 9 | 5 | 2 | May 31, 2010 | 567% over the limit |
| BOD, 5-day, percent removal | 1 | 3 | 2 | June 30, 1998 | 525% over the limit |
| Solids, suspended percent removal | 1 | 3 | 1 | February 28, 1997 | 556% over the limit |
| LC50 Static 48Hr Acute Ceriodaphnia dubia | 1 | 1 | 1 | November 30, 2018 | 65% over the limit |
| Solids, total suspended | 14 | 10 | 0 | ||
| Solids, settleable | 0 | 7 | 0 | ||
| Coliform, fecal general | 3 | 4 | 0 | ||
| pH | 2 | 4 | 0 | ||
| Flow, in conduit or thru treatment plant | 1 | 3 | 0 | ||
| Copper, total [as Cu] | 2 | 2 | 0 | ||
| Chlorine, total residual | 2 | 2 | 0 | ||
| Phosphorus, total [as P] | 1 | 2 | 0 | ||
| BOD, 5-day, 20 deg. C | 8 | 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 MA0100170.
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 MA0100170 there.
Nearby on the register
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- Every permit record in Oxford, 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.