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Clean Water Act discharge permit · NPDES DEPIU000U

INTERNATIONAL N&H USA INC, Newark, DE: NPDES DEPIU000U discharge permit, effluent exceedances, inspections, penalties

INTERNATIONAL N&H USA INC, held by International N&H USA Inc., holds NPDES permit DEPIU000U. EPA’s file records it issued July 10, 2024 and expiring May 1, 2027. 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 INTERNATIONAL N&H USA INC: its NPDES ID, its permit type and status, its dates, its address in Newark, Delaware. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES DEPIU000U.

Identity

Facility as filedINTERNATIONAL N&H USA INC
Permittee as filedInternational N&H USA Inc.
NPDES IDDEPIU000U
Permit statusEffective
Permit typeIndividual industrial user permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedJuly 10, 2024
Expiration dateMay 1, 2027
Issuing agencyCity Of Wilmington Regional Wwtp
AddressNewark, DE 19711
Other EPA IDs (FRS)RCRA handler DED073760167; ICIS-AIR source DE0000001000300051

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 DEPIU000U.

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 DEPIU000U.

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 DEPIU000U there.

Nearby on the register

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

What this page shows

The International N&H USA Inc. permit (NPDES ID DEPIU000U) in Newark, New Castle County, Delaware, is one of 21 individual industrial user permits on EPA's NPDES register in New Castle County, this one included. Of the 18 individual industrial user permits in New Castle County, this one included, 88.9% were issued earlier than this permit's July 10, 2024 issue date. The permit records no pollutants under a numeric limit and no pollutants with an effluent exceedance, and 0.0% of the 21 peer permits in the county carry a violation on file.