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Clean Water Act discharge permit · NPDES MAG590039

MARSHFIELD WASTEWATER FACILITY, Marshfield, MA: NPDES MAG590039 discharge permit, effluent exceedances, inspections, penalties

MARSHFIELD WASTEWATER FACILITY, held by MARSHFIELD W W T F, holds NPDES permit MAG590039, which discharges to Massachusetts Bay. EPA’s file records it issued September 28, 2022 and expiring October 31, 2027. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 15, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

Identity

Facility as filedMARSHFIELD WASTEWATER FACILITY
Permittee as filedMARSHFIELD W W T F
NPDES IDMAG590039
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedSeptember 28, 2022
Expiration dateOctober 31, 2027
AddressMarshfield, MA 02020
Receiving waterMASSACHUSETTS BAY
SubwatershedDuck Hill River-Frontal Duxbury Bay (HUC 010900020104)

Cited to the EPA ICIS-NPDES permit file (ECHO download).

Effluent limits and exceedances

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; the 60 with the most exceedances of 62 are shown.

Pollutant or measureLimitsViolations, any kindEffluent exceedancesLatest exceedanceLargest exceedance, as filed
Perfluorooctanoic acid (PFOA)320
Perfluorobutanoic acid (PFBA)320
Perfluorooctanesulfonamide (PFOSA)320
Perfluoropentanoic acid (PFPeA)320
Perfluorohexanoic acid (PFHxA)320
Perfluoroheptanoic acid (PFHpA)320
Perfluorononanoic acid (PFNA)320
Perfluorodecanoic acid (PFDA)320
Perfluoroundecanoic acid (PFUnA)320
Perfluorododecanoic acid (PFDoA)320
Perfluorotridecanoic acid (PFTrDA)320
Perfluorotetradecanoic acid (PFTeDA)320
N-ethyl perfluorooctanesulfonamidoethanol (NEtFOSE)320
N-methyl perfluorooctanesulfonamidoethanol (NMeFOSE)320
N-ethyl perfluorooctanesulfonamidoacetic acid (NEtFOSAA)320
N-methyl perfluorooctanesulfonamidoacetic acid (NMeFOSAA)320
Perfluorobutanesulfonic acid (PFBS)320
Perfluorodecanesulfonic acid (PFDS)320
Perfluoroheptanesulfonic acid (PFHpS)320
Perfluorohexanesulfonic acid (PFHxS)320
Perfluorooctanesulfonic acid (PFOS)320
1H,1H,2H,2H-Perfluorohexane sulfonic acid (4:2 FTS)320
1H,1H,2H,2H-Perfluorooctane sulfonic acid (6:2 FTS)320
1H,1H, 2H, 2H-Perfluorodecane sulfonic acid (8:2 FTS)320
Perfluoropentanesulfonic acid (PFPeS)320
Perfluorononanesulfonic acid (PFNS)320
Hexafluoropropylene oxide dimer acid (HFPO-DA)320
Nonafluoro-3,6-dioxaheptanoic acid (NFDHA)320
Perfluoro(2-ethoxyethane)sulfonic acid (PFEESA)320
Perfluorododecanesulfonic acid (PFDoS)320
4,8-Dioxa-3H-perfluorononanoic acid (ADONA)320
N-methyl perfluorooctanesulfonamide (NMeFOSA)320
N-ethyl perfluorooctanesulfonamide (NEtFOSA)320
3-Perfluoropropyl propanoic acid (3:3 FTCA)320
Perfluoro-3-methoxypropanoic acid (PFMPA)320
9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acid (9Cl-PF3ONS)320
11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (11Cl-PF3OUdS)320
3-Perfluoroheptyl propanoic acid (7:3 FTCA)320
Perfluoro-4-methoxybutanoic acid (PFMBA)320
2H,2H,3H,3H-Perfluorooctanoic acid (5:3 FTCA)320
Nitrogen, ammonia total [as N]220
Carbon, tot organic [TOC]220
Cadmium, total [as Cd]220
Copper, total [as Cu]220
Lead, total [as Pb]220
Nickel, total [as Ni]220
Zinc, total [as Zn]220
pH310
Temperature, water deg. centigrade110
Salinity110
Hardness, total [as CaCO3]110
LC50 Static 48Hr Acute Americamysis bahia (formerly Mysidopsis bahia)110
BOD, 5-day, 20 deg. C600
Solids, total suspended600
Nitrogen, Kjeldahl, total [as N]400
Nitrite + Nitrate total [as N]400
Nitrogen, total [as N]300
Flow, in conduit or thru treatment plant300
Enterococci200
Coliform, fecal general200

EPA’s effluent violation file records no exceedance of a numeric limit for NPDES MAG590039.

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

EPA’s single-event violation file, as loaded, holds no violation for NPDES MAG590039.

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.

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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 MAG590039 there.

Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.

What this page shows

This public-records page covers NPDES permit MAG590039, held by MARSHFIELD WASTEWATER FACILITY in Marshfield, MA, which discharges to MASSACHUSETTS BAY within the Duck Hill River-Frontal Duxbury Bay (HUC 010900020104) subwatershed. The page lists 62 pollutants on file, of which 52 are under a numeric limit and 0 have an effluent exceedance.