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Clean Water Act discharge permit · NPDES CTP001279

AHLSTROM POWER WINDSOR LOCKS, LLC, Windsor Locks, CT: NPDES CTP001279 discharge permit, effluent exceedances, inspections, penalties

AHLSTROM POWER WINDSOR LOCKS, LLC, held by Ahlstrom Power Windsor Locks LLC, holds NPDES permit CTP001279, which discharges to Connecticut River. EPA’s file records it issued November 15, 2011 and expiring November 30, 2016. 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 filedAHLSTROM POWER WINDSOR LOCKS, LLC
Permittee as filedAhlstrom Power Windsor Locks LLC
NPDES IDCTP001279
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeIndividual industrial user permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedNovember 15, 2011
Expiration dateNovember 30, 2016
Issuing agencyDEP
AddressWindsor Locks, CT 06096
Receiving waterCONNECTICUT RIVER
Other EPA IDs (FRS)RCRA handler CTP000035194; ICIS-AIR source CT0000000900309313

Cited to the EPA ICIS-NPDES permit file (ECHO 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
pH251November 30, 2012
pH, minimum131October 31, 2024
Flow, maximum during 24 hr period121December 31, 20196% over the limit
Oil petroleum, total recoverable270
pH, maximum120
Flow110
Solids, total suspended100
Copper, total [as Cu]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 CTP001279.

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 CTP001279 there.

Nearby on the register

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

What this page shows

The Velarion Records page covers Clean Water Act discharge permit NPDES CTP001279, held by AHLSTROM POWER WINDSOR LOCKS, LLC in Windsor Locks, CT, which discharges to CONNECTICUT RIVER and is administratively continued as a Minor Discharger class permit. The page lists 3 pollutants under a numeric limit and 3 pollutants with an effluent exceedance.