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Clean Water Act discharge permit · NPDES MAG580040

LEO L. DUBOIS WPCF - BRIDGEWATER CORRECTION COMPLEX, Bridgewater, MA: NPDES MAG580040 discharge permit, effluent exceedances, inspections, penalties

LEO L. DUBOIS WPCF - BRIDGEWATER CORRECTION COMPLEX, held by MCI BRIDGEWATER LEO L. DUBOIS W P C F, holds NPDES permit MAG580040, which discharges to Sawmill Brook. EPA’s file records it issued December 1, 2021 and expiring November 30, 2026. 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 filedLEO L. DUBOIS WPCF - BRIDGEWATER CORRECTION COMPLEX
Permittee as filedMCI BRIDGEWATER LEO L. DUBOIS W P C F
NPDES IDMAG580040
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typePublicly owned treatment works
ProgramPublicly owned treatment works
IssuedDecember 1, 2021
Expiration dateNovember 30, 2026
AddressBridgewater, MA 02324
Receiving waterSAWMILL BROOK
SubwatershedCotley River-Taunton River (HUC 010900040204)

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.

Pollutant or measureLimitsViolations, any kindEffluent exceedancesLatest exceedanceLargest exceedance, as filed
Copper, total recoverable23535July 31, 2026103% over the limit
NOEL Static 7Day Chronic Ceriodaphnia dubia122December 31, 202438% over the limit
pH310
Temperature, water deg. centigrade110
Carbon, dissolved organic [as C]110
BOD, 5-day, 20 deg. C1100
Solids, total suspended1000
Phosphorus, total [as P]800
Nitrogen, total [as N]400
Nitrogen, ammonia total [as N]400
Flow, in conduit or thru treatment plant300
Perfluorooctanoic acid (PFOA)300
Perfluoroheptanoic acid (PFHpA)300
Perfluorononanoic acid (PFNA)300
Perfluorodecanoic acid (PFDA)300
Perfluorohexanesulfonic acid (PFHxS)300
Perfluorooctanesulfonic acid (PFOS)300
Nitrogen, Kjeldahl, total [as N]200
Nitrite + Nitrate total [as N]200
Carbon, tot organic [TOC]200
Hardness, total [as CaCO3]200
Cadmium, total [as Cd]200
Copper, total [as Cu]200
Lead, total [as Pb]200
Nickel, total [as Ni]200
Zinc, total [as Zn]200
Zinc, total recoverable200
Aluminum, total [as Al]200
Chlorine, total residual200
E. coli200
Oxygen, dissolved [DO]100
BOD, 5-day, percent removal100
Solids, suspended percent removal100
LC50 Static 48Hr Acute Ceriodaphnia dubia100

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 MAG580040.

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 MAG580040 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 Clean Water Act discharge permit NPDES MAG580040 for LEO L. DUBOIS WPCF - BRIDGEWATER CORRECTION COMPLEX in Bridgewater, MA, held by MCI BRIDGEWATER LEO L. DUBOIS W P C F, with a status of Effective and a discharger class of 34. The page lists 2 pollutants under a numeric limit and 2 pollutants with an effluent exceedance, and it names Sawmill Brook as the receiving water.