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Clean Water Act discharge permit · NPDES CTR050017

KUEHNE NEW HAVEN LLC, New Haven, CT: NPDES CTR050017 discharge permit, effluent exceedances, inspections, penalties

KUEHNE NEW HAVEN LLC, held by Kuehne Chemical Company, Inc, holds NPDES permit CTR050017. EPA’s file records it issued June 15, 2026 and expiring September 30, 2030. The status and dates are as EPA’s permit file stood when Velarion loaded it (October 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

What the register holds for KUEHNE NEW HAVEN LLC: its NPDES ID, its permit type and status, its dates, its address in New Haven, Connecticut, and 16 pollutants under a numeric limit. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES CTR050017.

Identity

Facility as filedKUEHNE NEW HAVEN LLC
Permittee as filedKuehne Chemical Company, Inc
NPDES IDCTR050017
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramIndustrial stormwater
IssuedJune 15, 2026
Expiration dateSeptember 30, 2030
Issuing agencyCT DEEP
AddressNew Haven, CT 06514
Receiving water impaired303(D) Listed
SubwatershedOutlet Quinnipiac River (HUC 011000040105)
NAICS325131 – Inorganic Dye and Pigment Manufacturing [2007]
SIC2819 – Industrial Inorganic Chemicals

Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same 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
pH400
Conductivity200
Solids, total suspended200
Oil & Grease200
Nitrogen, Kjeldahl, total [as N]200
Phosphorous, total recoverable200
Hardness, total [as CaCO3]200
Zinc, total recoverable200
Aluminum, total recoverable200
Lead, total recoverable200
Copper, total recoverable200
Nitrogen, nitrate total [as NO3]200
Chemical Oxygen Demand [COD]200
LC50 Static 48Hr Acute D. Pulex200
NOAEL Static 48Hr Acute D. pulex200
%Surv Static 48Hr Acute Daphnia Pulex200

EPA’s effluent violation file records no exceedance of a numeric limit for NPDES CTR050017.

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 CTR050017.

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 CTR050017 there.

Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.

What this page shows

This page covers NPDES permit CTR050017 for KUEHNE NEW HAVEN LLC in New Haven, CT, an effective industrial stormwater permit with minor discharger status, issued June 15, 2026 and expiring September 30, 2030. The register lists 0 pollutants with an effluent exceedance and 16 pollutants under a numeric limit.