Clean Water Act discharge permit · NPDES MA0110264

GREAT FALLS AQUACULTURE, LLC, Turners Falls, MA: NPDES MA0110264 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
12Pollutants under a numeric limit
6Pollutants with an effluent exceedance

GREAT FALLS AQUACULTURE, LLC, held by GREAT BAY AQUACULTURE, LLC, holds NPDES permit MA0110264, which discharges to Connecticut River. EPA’s file records it issued February 23, 2010 and expiring February 28, 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	GREAT FALLS AQUACULTURE, LLC
Permittee as filed	GREAT BAY AQUACULTURE, LLC
NPDES ID	MA0110264
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	February 23, 2010
Expiration date	February 28, 2015
Address	Turners Falls, MA 01376
Receiving water	CONNECTICUT RIVER
Receiving water impaired	303(D) Listed
Subwatershed	Dry Brook-Connecticut River (HUC 010802010503)

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

Effluent limits and exceedances

14Pollutants on file
12Under a numeric limit
14With a violation of any kind
6With 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
Ozone - residual	2	91	71	June 30, 2026	1,250% over the limit
Solids, total suspended	2	46	42	October 31, 2025	960% over the limit
BOD, 5-day, 20 deg. C	2	21	17	August 31, 2012	417% over the limit
Ozone	0	11	9	January 31, 1998	69% over the limit
Flow, in conduit or thru treatment plant	2	13	5	January 31, 2016	91,900% over the limit
Oxygen, dissolved [DO]	1	3	1	May 31, 2005	58% over the limit
Chlorine, total residual	2	10	0
Nitrogen, Kjeldahl, total [TKN] [water]	2	10	0
Nitrogen, total [as N]	4	5	0
Nitrite + Nitrate total [as N]	2	5	0
pH	2	3	0
Ammonia, unionized	2	3	0
Nitrogen, ammonia total [as N]	0	3	0
Phosphorus, total [as P]	2	2	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 MA0110264.

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 MA0110264 there.

Nearby on the register

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

This public-records page covers NPDES permit MA0110264, held by GREAT FALLS AQUACULTURE, LLC in Turners Falls, MA, which discharges to the CONNECTICUT RIVER and is administratively continued past its February 28, 2015 expiration. The page lists 14 pollutants on file, 12 with a numeric limit and 6 with an effluent exceedance, and the facility is classed as a Minor discharger.