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Clean Water Act discharge permit · NPDES CT0030678

HAYNES MATERIALS COMPANY, Naugatuck, CT: NPDES CT0030678 discharge permit, effluent exceedances, inspections, penalties

HAYNES MATERIALS COMPANY holds NPDES permit CT0030678, which discharges to Beacon Hill Brook. EPA’s file records it issued September 23, 2014 and expiring September 30, 2019.

HAYNES MATERIALS COMPANY, Naugatuck, Connecticut: Individual permit CT0030678; Administratively continued (past its expiration date and still in force until reissued); issued September 23, 2014, term to September 30, 2019, by CT DEEP; discharges to Beacon Hill Brook.

  • Solids, total suspended: 1 limit, 8 violations of any kind, 0 effluent exceedances.
  • Oil & Grease: 1 limit, 8 violations of any kind, 0 effluent exceedances.
  • Nitrogen, ammonia total [as N]: 1 limit, 8 violations of any kind, 0 effluent exceedances.
  • Nitrogen, nitrate total [as N]: 1 limit, 8 violations of any kind, 0 effluent exceedances.
  • Nitrogen, Kjeldahl, total [as N]: 1 limit, 8 violations of any kind, 0 effluent exceedances.
  • Phosphorus, total [as P]: 1 limit, 8 violations of any kind, 0 effluent exceedances.
  • Copper, total [as Cu]: 1 limit, 8 violations of any kind, 0 effluent exceedances.
  • Zinc, total [as Zn]: 1 limit, 8 violations of any kind, 0 effluent exceedances.
  • Aluminum, total [as Al]: 1 limit, 8 violations of any kind, 0 effluent exceedances.
  • pH, maximum: 1 limit, 8 violations of any kind, 0 effluent exceedances.
  • pH, minimum: 1 limit, 8 violations of any kind, 0 effluent exceedances.
  • Oxygen demand, chem. [low level] [COD]: 1 limit, 6 violations of any kind, 0 effluent exceedances.
  • LC50 Static 48Hr Acute D. Pulex: 2 limits, 2 violations of any kind, 0 effluent exceedances.
  • NOAEL Static 48Hr Acute Pimephales promelas: 2 limits, 2 violations of any kind, 0 effluent exceedances.

HAYNES MATERIALS COMPANY among its neighbors

EPA’s permit file holds 16 discharge permits in the Bladens River-Naugatuck River subwatershed (HUC 011000051207), CT0030678 among them. Its county holds 202, 21 of them major permits; CT0030678 is a minor permit.

Other permits in the Bladens River-Naugatuck River subwatershed (HUC 011000051207)

  • ANSONIA COPPER & BRASS INC., Ansonia: CT0002968, major permit, discharging to NAUGATUCK RIVER, permit term to March 21, 2011
  • ANSONIA WPCA, Ansonia: CTL100013, minor permit, permit term to December 31, 2025
  • ANSONIA WPCA, CITY OF, Ansonia: CT0100013, major permit, discharging to NAUGATUCK RIVER, permit term to December 31, 2017
  • BEACON FALLS WPCF, Beacon Falls: CT0101061, minor permit, discharging to NAUGATUCK RIVER, permit term to May 31, 2022
  • C V S 0718, Ansonia: CTGPH0551, not classed
  • FORMER ELECTROLUX FACILITY, Seymour: CTRSW0024, minor permit, discharging to Naugatuck River, permit term to March 1, 2025
  • JENSEN FARM ESTATES, Seymour: CTR100024, minor permit, permit term to October 1, 2007
  • KING INDUSTRIES INC, Norwalk: CT0000841, minor permit, discharging to NORWALK RIVER, permit term to September 30, 2023
  • SEYMOUR WPCF, TOWN OF, Seymour: CT0100501, major permit, discharging to NAUGATUCK RIVER, permit term to September 30, 2020
  • SEYMOUR WPCF, TOWN OF, Seymour: CTL100501, minor permit, permit term to December 31, 2025

Identity

Facility as filedHAYNES MATERIALS COMPANY
Permittee as filedHAYNES MATERIALS COMPANY
NPDES IDCT0030678
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeIndividual permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedSeptember 23, 2014
Expiration dateSeptember 30, 2019
Issuing agencyCT DEEP
AddressNaugatuck, CT 06770
Receiving waterBeacon Hill Brook
SubwatershedBladens River-Naugatuck River (HUC 011000051207)

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
Solids, total suspended180
Oil & Grease180
Nitrogen, ammonia total [as N]180
Nitrogen, nitrate total [as N]180
Nitrogen, Kjeldahl, total [as N]180
Phosphorus, total [as P]180
Copper, total [as Cu]180
Zinc, total [as Zn]180
Aluminum, total [as Al]180
pH, maximum180
pH, minimum180
Oxygen demand, chem. [low level] [COD]160
LC50 Static 48Hr Acute D. Pulex220
NOAEL Static 48Hr Acute Pimephales promelas220

EPA’s effluent violation file records no exceedance of a numeric limit for NPDES CT0030678.

Inspections, violations and enforcement

EPA’s single-event violation file, as loaded, holds no violation for NPDES CT0030678.

Inspections

EPA’s inspection file holds no inspection for NPDES CT0030678.

Formal enforcement and penalties

0 formal actions, 0 of them with a penalty assessed. Federal and state penalties are separate figures from separate authorities and are shown as each was filed, never added together.

Informal enforcement

EPA’s informal enforcement file holds no action for NPDES CT0030678.

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Nearby on the register

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

What this page shows

This public-records page covers Clean Water Act discharge permit NPDES CT0030678, held by HAYNES MATERIALS COMPANY in Naugatuck, CT, which discharges to Beacon Hill Brook and is listed as an administratively continued minor discharger permit. The page lists 14 pollutants on file, 14 under a numeric limit, and 0 with an effluent exceedance. The permit's file dates are an issue date of September 23, 2014 and an expiration date of September 30, 2019, as of September 15, 2026.