Clean Water Act discharge permit · NPDES MA0101524

GREAT BARRINGTON W W T F, TOWN OF, Great Barrington, MA: NPDES MA0101524 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MajorDischarger class
18Pollutants under a numeric limit
8Pollutants with an effluent exceedance

GREAT BARRINGTON W W T F, TOWN OF, held by GREAT BARRINGTON W W T F, holds NPDES permit MA0101524, which discharges to Housatonic River. EPA’s file records it issued March 13, 2007 and expiring May 31, 2012. 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 filed	GREAT BARRINGTON W W T F, TOWN OF
Permittee as filed	GREAT BARRINGTON W W T F
NPDES ID	MA0101524
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	March 13, 2007
Expiration date	May 31, 2012
Address	Great Barrington, MA 01230
Receiving water	HOUSATONIC RIVER
Subwatershed	Ironwork Brook-Housatonic River (HUC 011000050204)

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

Effluent limits and exceedances

18Pollutants on file
18Under a numeric limit
16With a violation of any kind
8With 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
Phosphorus, total [as P]	2	24	24	September 30, 2008	256% over the limit
Flow, in conduit or thru treatment plant	2	9	8	April 30, 2007	12% over the limit
Solids, total suspended	7	13	6	November 30, 2006	78% over the limit
Chlorine, total residual	2	6	6	September 30, 2002	366% over the limit
BOD, 5-day, percent removal	1	6	5	March 31, 2011	47% over the limit
LC50 Static 48Hr Acute Ceriodaphnia dubia	1	6	5	January 31, 2014	91% over the limit
Coliform, fecal general	2	2	2	September 30, 2001	99,999% over the limit
E. coli, thermotol, MF, MTEC	2	1	1	July 31, 2021	174% over the limit
BOD, 5-day, 20 deg. C	7	7	0
pH	2	2	0
Nitrogen, ammonia total [as N]	1	1	0
Nitrogen, nitrite total [as N]	1	1	0
Nitrogen, nitrate total [as N]	1	1	0
Nitrogen, Kjeldahl, total [as N]	1	1	0
Solids, suspended percent removal	1	1	0
NOEL Static Renewal 7Day Chronic Ceriodaphnia dubia	1	1	0
Phosphate, ortho, dissolved [as P]	2	0	0
Flow, total	1	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 MA0101524.

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 MA0101524 there.

Nearby on the register

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

This public-records page covers NPDES permit MA0101524, held by GREAT BARRINGTON W W T F, which discharges to the Housatonic River in the Ironwork Brook-Housatonic River subwatershed (HUC 011000050204). The page lists 18 major discharger class items and 8 pollutants under a numeric limit, with 8 pollutants showing an effluent exceedance.