Clean Water Act discharge permit · NPDES MA0101737
MARSHFIELD WASTEWATER FACILITY, Marshfield, MA: NPDES MA0101737 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 9Pollutants under a numeric limit
- 9Pollutants with an effluent exceedance
MARSHFIELD WASTEWATER FACILITY, held by MARSHFIELD, TOWN OF, holds NPDES permit MA0101737, which discharges to Massachusetts Bay. EPA’s file records it issued November 9, 2006 and expiring January 31, 2012. 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 | MARSHFIELD WASTEWATER FACILITY |
|---|---|
| Permittee as filed | MARSHFIELD, TOWN OF |
| NPDES ID | MA0101737 |
| 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, 2006 |
| Expiration date | January 31, 2012 |
| Address | Marshfield, MA 02020 |
| Receiving water | MASSACHUSETTS BAY |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 18Pollutants on file
- 9Under a numeric limit
- 18With a violation of any kind
- 9With 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 |
|---|---|---|---|---|---|
| Chlorine, total residual | 0 | 43 | 43 | February 29, 2000 | 154% over the limit |
| pH | 2 | 26 | 22 | May 31, 2011 | |
| Solids, total suspended | 10 | 34 | 9 | March 31, 2018 | 181% over the limit |
| Coliform, fecal general | 2 | 13 | 8 | August 31, 2018 | 614% over the limit |
| BOD, 5-day, 20 deg. C | 10 | 28 | 3 | March 31, 2018 | 57% over the limit |
| Flow, in conduit or thru treatment plant | 3 | 9 | 3 | August 31, 2001 | 14,614% over the limit |
| Solids, suspended percent removal | 1 | 4 | 3 | March 31, 2018 | 148% over the limit |
| Enterococci | 1 | 3 | 1 | August 31, 2015 | 18% over the limit |
| BOD, 5-day, percent removal | 1 | 2 | 1 | March 31, 2018 | 107% over the limit |
| LC50 Static 48Hr Acute Americamysis bahia (formerly Mysidopsis bahia) | 2 | 8 | 0 | ||
| Nitrogen, ammonia total [as N] | 0 | 3 | 0 | ||
| Nitrogen, nitrite total [as N] | 0 | 3 | 0 | ||
| Nitrogen, nitrate total [as N] | 0 | 3 | 0 | ||
| Nitrogen, Kjeldahl, total [as N] | 0 | 3 | 0 | ||
| Solids, settleable | 0 | 2 | 0 | ||
| LC50 Static 48Hr Acute Menidia | 0 | 2 | 0 | ||
| Oxygen, dissolved [DO] | 0 | 1 | 0 | ||
| Hardness, total [as CaCO3] | 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
- 0Single-event violations
EPA’s single-event violation file, as loaded, holds no violation for NPDES MA0101737.
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 MA0101737 there.
Nearby on the register
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- Every permit record in Massachusetts, A to Z
Figures from EPA’s ICIS-NPDES download, loaded September 14, 2026.