Clean Water Act discharge permit · NPDES MA0040380

NEW ENGLAND AQUARIUM OFF-SITE HOLDING - QUINCY, Quincy, MA: NPDES MA0040380 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
10Pollutants under a numeric limit
3Pollutants with an effluent exceedance

NEW ENGLAND AQUARIUM OFF-SITE HOLDING - QUINCY, held by New England Aquarium Off-Site Holding Fac., holds NPDES permit MA0040380, which discharges to Weymouth Fore River. EPA’s file records it issued May 19, 2010 and expiring June 30, 2015. 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	NEW ENGLAND AQUARIUM OFF-SITE HOLDING - QUINCY
Permittee as filed	New England Aquarium Off-Site Holding Fac.
NPDES ID	MA0040380
Permit status	Administratively continued (past its expiration date and still in force until reissued)
Permit type	Individual permit
Discharger class	Minor discharger
Facility type	Not a publicly owned treatment works
Issued	May 19, 2010
Expiration date	June 30, 2015
Address	Quincy, MA 02169
Receiving water	WEYMOUTH FORE RIVER
Receiving water impaired	303(D) Listed
Subwatershed	Monatiquot River-Frontal Quincy Bay (HUC 010900010901)

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

Effluent limits and exceedances

10Pollutants on file
10Under a numeric limit
10With a violation of any kind
3With 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
Enterococci	2	6	4	July 31, 2019	595% over the limit
Flow, in conduit or thru treatment plant	2	4	2	December 31, 2012	187% over the limit
Coliform, fecal general	2	3	1	July 31, 2020	58% over the limit
pH	2	2	0
Solids, total suspended	2	2	0
Copper, total [as Cu]	2	2	0
LC50 Static 48Hr Acute Americamysis bahia (formerly Mysidopsis bahia)	1	1	0
LC50 Static 48Hr Acute Menidia	1	1	0
Noael Static 48Hr Acute Mysid. Bahia	1	1	0
NOAEL Static 48Hr Acute Menidia sp.	1	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 MA0040380.

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 MA0040380 there.

Nearby on the register

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

This public-records page covers Clean Water Act discharge permit NPDES MA0040380 for New England Aquarium Off-Site Holding in Quincy, MA, which discharges to the Weymouth Fore River and is administratively continued. The page lists a Minor discharger class with 10 pollutants under a numeric limit and 3 pollutants with an effluent exceedance.