Clean Water Act discharge permit · NPDES MA0100579
MILFORD W W T F, Hopedale, MA: NPDES MA0100579 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 18Pollutants under a numeric limit
- 13Pollutants with an effluent exceedance
MILFORD W W T F holds NPDES permit MA0100579, which discharges to Charles River. EPA’s file records it issued November 9, 2010 and expiring December 31, 2015. 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 | MILFORD W W T F |
|---|---|
| Permittee as filed | MILFORD W W T F |
| NPDES ID | MA0100579 |
| 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 | November 9, 2010 |
| Expiration date | December 31, 2015 |
| Address | Hopedale, MA 01747 |
| Receiving water | CHARLES RIVER |
| Subwatershed | Headwaters Charles River (HUC 010900010601) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 18Pollutants on file
- 18Under a numeric limit
- 17With a violation of any kind
- 13With 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 |
|---|---|---|---|---|---|
| Aluminum, total [as Al] | 4 | 175 | 166 | December 31, 2022 | 1,922% over the limit |
| Flow, in conduit or thru treatment plant | 3 | 100 | 94 | June 30, 2022 | 75% over the limit |
| Copper, total [as Cu] | 2 | 70 | 66 | May 31, 2015 | 2,332% over the limit |
| Nitrogen, ammonia total [as N] | 12 | 27 | 27 | July 31, 2021 | 210% over the limit |
| pH | 2 | 20 | 16 | June 30, 2022 | |
| BOD, 5-day, 20 deg. C | 14 | 31 | 15 | September 30, 2021 | 141% over the limit |
| Solids, total suspended | 14 | 30 | 14 | June 30, 2013 | 173% over the limit |
| Phosphorus, total [as P] | 2 | 17 | 14 | June 30, 2022 | 140% over the limit |
| NOEL Static Renewal 7Day Chronic Ceriodaphnia dubia | 1 | 13 | 10 | October 31, 2022 | 88% over the limit |
| Oxygen, dissolved [DO] | 1 | 4 | 2 | December 31, 2016 | 48% over the limit |
| Coliform, fecal general | 2 | 2 | 2 | March 31, 2010 | 8,900% over the limit |
| LC50 Static 48Hr Acute Ceriodaphnia dubia | 1 | 4 | 1 | April 30, 2003 | 20% over the limit |
| Solids, suspended percent removal | 1 | 3 | 1 | September 30, 2003 | 99,999% over the limit |
| Chlorine, total residual | 2 | 4 | 0 | ||
| Phosphate, ortho, dissolved [as P] | 1 | 2 | 0 | ||
| Lead, total [as Pb] | 1 | 2 | 0 | ||
| BOD, 5-day, percent removal | 1 | 2 | 0 | ||
| E. coli, colony forming units [CFU] | 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
- 0Single-event violations
EPA’s single-event violation file, as loaded, holds no violation for NPDES MA0100579.
Velarion’s copy of EPA’s ICIS-NPDES files does not yet 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 MA0100579 there.
Nearby on the register
- Discharge permits in Hopedale
- Every permit record in Hopedale, A to Z
- Discharge permits in Massachusetts
- Every permit record in Massachusetts, A to Z
Figures from EPA’s ICIS-NPDES download, loaded September 14, 2026.