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Clean Water Act discharge permit · NPDES NHPIU004A

AMPHENOL APC, Nashua, NH: NPDES NHPIU004A discharge permit, effluent exceedances, inspections, penalties

AMPHENOL APC, held by Amphenol APC, holds NPDES permit NHPIU004A. EPA’s file records it issued August 31, 2021 and expiring August 30, 2026. 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.

What the register holds for AMPHENOL APC: its NPDES ID, its permit type and status, its dates, its address in Nashua, New Hampshire. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES NHPIU004A.

Identity

Facility as filedAMPHENOL APC
Permittee as filedAmphenol APC
NPDES IDNHPIU004A
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
IssuedAugust 31, 2021
Expiration dateAugust 30, 2026
Issuing agencyNashua Wastewater Treatment Facility
AddressNashua, NH 03062
Other EPA IDs (FRS)RCRA handler NHD073974651; ICIS-AIR source NH0000003301100173

Cited to the EPA ICIS-NPDES permit file (ECHO download); cross-program IDs from EPA’s FRS facility-registry crosswalk.

Effluent limits and exceedances

EPA’s limits and effluent violation files hold no pollutant row for NPDES NHPIU004A.

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 NHPIU004A.

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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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 NHPIU004A there.

Nearby on the register

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

What this page shows

AMPHENOL APC, an individual industrial user permit in Nashua, is one of 11 such permits in Hillsborough County on EPA's NPDES register, and 0.0% of those 11 permits have a violation on file. Of all 11, 0.0% carry an earlier issue date than this permit's August 31, 2021 issuance, and the permit lists 0 pollutants under a numeric limit and 0 with an effluent exceedance.