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Clean Water Act discharge permit · NPDES NHPIU004F

FOUR HILLS LANDFILL, Nashua, NH: NPDES NHPIU004F discharge permit, effluent exceedances, inspections, penalties

FOUR HILLS LANDFILL, held by Four Hills Landfill, holds NPDES permit NHPIU004F. 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 FOUR HILLS LANDFILL: 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 NHPIU004F.

Identity

Facility as filedFOUR HILLS LANDFILL
Permittee as filedFour Hills Landfill
NPDES IDNHPIU004F
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 03060
Other EPA IDs (FRS)RCRA handler NHD510163470; ICIS-AIR source NH0000003301100191

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 NHPIU004F.

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 NHPIU004F.

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 NHPIU004F 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 NPDES permit NHPIU004F, held by Four Hills Landfill for the FOUR HILLS LANDFILL site in Nashua, NH, with a permit status of administratively continued and a minor discharger class. The register lists 0 pollutants under a numeric limit and 0 pollutants with an effluent exceedance.