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Clean Water Act discharge permit · NPDES MAR053588

WINCHENDON WASTEWATER TREATMENT PLANT, Winchendon, MA: NPDES MAR053588 discharge permit, effluent exceedances, inspections, penalties

WINCHENDON WASTEWATER TREATMENT PLANT, held by Winchendon WWTP, holds NPDES permit MAR053588. EPA’s file records it issued October 16, 2015 and expiring June 3, 2020. 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 filedWINCHENDON WASTEWATER TREATMENT PLANT
Permittee as filedWinchendon WWTP
NPDES IDMAR053588
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramIndustrial stormwater
IssuedOctober 16, 2015
Expiration dateJune 3, 2020
Issuing agencyU.S. EPA
AddressWinchendon, MA 01475
Receiving water impaired303(D) Listed
SubwatershedTorbell Brook-Millers River (HUC 010802020103)

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

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
pH080
Chemical Oxygen Demand [COD]030
Coliform, fecal general120
Solids, total suspended020

EPA’s effluent violation file records no exceedance of a numeric limit for NPDES MAR053588.

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 MAR053588.

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 MAR053588 there.

Nearby on the register

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

What this page shows

This public-records page covers Clean Water Act discharge permit NPDES MAR053588 for the WINCHENDON WASTEWATER TREATMENT PLANT in Winchendon, MA, held by Winchendon WWTP, with a status of administratively continued and a minor discharger class. The permit file lists 4 pollutants on file, of which 1 is under a numeric limit, 0 has an effluent exceedance, and the receiving water sits in subwatershed HUC 010802020103.