Clean Water Act discharge permit · NPDES MA0100188

MONROE W W T F, Monroe Bridge, MA: NPDES MA0100188 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
8Pollutants under a numeric limit
10Pollutants with an effluent exceedance

MONROE W W T F holds NPDES permit MA0100188, which discharges to Deerfield River. EPA’s file records it issued June 22, 2005 and expiring August 21, 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	MONROE W W T F
Permittee as filed	MONROE W W T F
NPDES ID	MA0100188
Permit status	Administratively continued (past its expiration date and still in force until reissued)
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 21, 2010
Address	Monroe Bridge, MA 01350
Receiving water	DEERFIELD RIVER
Subwatershed	Pelham Brook-Deerfield River (HUC 010802030201)
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

12Pollutants on file
8Under a numeric limit
12With a violation of any kind
10With 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
pH	2	49	45	September 30, 2010
Solids, suspended percent removal	1	36	32	May 31, 2020	200% over the limit
Solids, total suspended	7	42	31	March 31, 2017	210% over the limit
E. coli	0	12	12	August 31, 2018	12,678% over the limit
BOD, 5-day, 20 deg. C	7	19	10	March 31, 2017	136% over the limit
Flow, in conduit or thru treatment plant	1	10	7	March 31, 2010	33% over the limit
BOD, 5-day, percent removal	1	8	4	May 31, 2021	120% over the limit
Flow, total	0	4	4	June 30, 2019	120% over the limit
Coliform, fecal general	2	11	2	October 31, 2010	70% over the limit
LC50 Static 48Hr Acute Ceriodaphnia dubia	1	7	2	September 30, 2019	84% over the limit
Solids, settleable	0	8	0
LC50 Static 48Hr Acute Pimephales promelas	0	4	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 MA0100188.

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 MA0100188 there.

Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.

This public-records page covers NPDES permit MA0100188 for MONROE W W T F in Monroe Bridge, MA, a publicly owned treatment works discharging to the Deerfield River, with its permit status shown as administratively continued. The page lists 10 pollutants under a numeric limit and 10 pollutants with an effluent exceedance, and records a minor discharger class of 8.