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Clean Water Act discharge permit · NPDES MA0001350

L.S. STARRETT COMPANY, Athol, MA: NPDES MA0001350 discharge permit, effluent exceedances, inspections, penalties

L.S. STARRETT COMPANY holds NPDES permit MA0001350, which discharges to Millers River. EPA’s file records it issued February 6, 2009 and expiring February 28, 2014. 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 filedL.S. STARRETT COMPANY
Permittee as filedL.S. STARRETT COMPANY
NPDES IDMA0001350
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeIndividual permit
Discharger classMajor discharger
Facility typeNot a publicly owned treatment works
IssuedFebruary 6, 2009
Expiration dateFebruary 28, 2014
AddressAthol, MA 01331
Receiving waterMILLERS RIVER
Receiving water impaired303(D) Listed
SubwatershedTully River (HUC 010802020203)
SIC3545 – Machine Tool Accessories
Other EPA IDs (FRS)RCRA handler MAD001125681; ICIS-AIR source MA0000002511800004

Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download; cross-program IDs from EPA’s FRS facility-registry crosswalk.

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
pH56259July 31, 2026
Chromium, hexavalent [as Cr]21111July 31, 2024249% over the limit
Nickel, total [as Ni]31210August 31, 2023267% over the limit
Chromium, total [as Cr]377December 31, 2023124% over the limit
Cyanide, free [amenable to chlorination]255September 30, 2011610% over the limit
LC50 Static 48Hr Acute Ceriodaphnia dubia153October 31, 202580% over the limit
Trichloroethylene152June 30, 2022100% over the limit
Flow, in conduit or thru treatment plant632February 28, 2003284% over the limit
Oil & Grease222July 31, 202322% over the limit
Copper, total [as Cu]331September 30, 202365% over the limit
Cadmium, total [as Cd]3100
Lead, total [as Pb]3100
Silver, total [as Ag]280
Organics, total toxic [TTO]140
LC50 Static 48Hr Acute Pimephales promelas030
Aluminum, total [as Al]320
Hardness, total [as CaCO3]120
NOEL Static Renewal 7Day Chronic Ceriodaphnia dubia020
Noel Statre 7Day Chronic Pimephales020
Temperature, water deg. fahrenheit310
Solids, total suspended210
Zinc, total [as Zn]210
Zinc, total recoverable110
Temperature, water deg. centigrade010
Nitrogen, ammonia total [as N]010
Perfluorooctanoic acid (PFOA)010
Perfluoroheptanoic acid (PFHpA)010
Perfluorononanoic acid (PFNA)010
Perfluorodecanoic acid (PFDA)010
Perfluorohexanesulfonic acid (PFHxS)010
Perfluorooctanesulfonic acid (PFOS)010
Cyanide, total [as CN]400
Chlorine, total residual300
Flow rate200
Specific conductance100
Oxygen, dissolved [DO]100
Alkalinity, total [as CaCO3]100
Solids, total100
Ammonia, unionized100
Carbon, tot organic [TOC]100
Calcium, total [as Ca]100
Magnesium, total [as Mg]100

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 MA0001350.

Inspections

EPA’s inspection file holds no inspection for NPDES MA0001350.

Formal enforcement and penalties

0 formal actions, 0 of them with a penalty assessed. Federal and state penalties are separate figures from separate authorities and are shown as each was filed, never added together.

Informal enforcement

EPA’s informal enforcement file holds no action for NPDES MA0001350.

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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How we handle your data → Privacy

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 MA0001350 there.

Nearby on the register

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

What this page shows

This EPA NPDES permit page covers L.S. STARRETT COMPANY's discharge permit MA0001350 in Athol, MA, which discharges to the MILLERS RIVER and is administratively continued as a Major Discharger. The page lists 31 for the discharger class, 10 pollutants under a numeric limit, and 10 pollutants with an effluent exceedance.