Clean Water Act discharge permit · NPDES CT0002968
ANSONIA COPPER & BRASS INC., Ansonia, CT: NPDES CT0002968 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 18Pollutants under a numeric limit
- 8Pollutants with an effluent exceedance
ANSONIA COPPER & BRASS INC., held by ANSONIA COPPER & BRASS CO INC, holds NPDES permit CT0002968, which discharges to Naugatuck River. EPA’s file records it issued March 22, 2006 and expiring March 21, 2011. 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.
Identity
| Facility as filed | ANSONIA COPPER & BRASS INC. |
|---|---|
| Permittee as filed | ANSONIA COPPER & BRASS CO INC |
| NPDES ID | CT0002968 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Major discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | March 22, 2006 |
| Expiration date | March 21, 2011 |
| Issuing agency | CT DEP |
| Address | Ansonia, CT 06401 |
| Receiving water | NAUGATUCK RIVER |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Bladens River-Naugatuck River (HUC 011000051207) |
| SIC | 3351 – Copper Rolling And Drawing |
| Other EPA IDs (FRS) | RCRA handler CTD060005766 |
Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download; cross-program IDs from EPA’s FRS facility-registry crosswalk.
Effluent limits and exceedances
- 28Pollutants on file
- 18Under a numeric limit
- 25With a violation of any kind
- 8With an effluent exceedance
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 measure | Limits | Violations, any kind | Effluent exceedances | Latest exceedance | Largest exceedance, as filed |
|---|---|---|---|---|---|
| Solids, total suspended | 2 | 65 | 9 | August 31, 2010 | 185% over the limit |
| Cadmium, total [as Cd] | 4 | 115 | 3 | August 31, 2009 | 43% over the limit |
| LC50 Static 48Hr Acute D. Pulex | 0 | 19 | 3 | January 31, 2016 | 99,999% over the limit |
| Copper, total [as Cu] | 4 | 86 | 2 | January 31, 2016 | 127% over the limit |
| pH | 2 | 58 | 2 | November 30, 2005 | |
| Zinc, total [as Zn] | 4 | 57 | 1 | January 31, 2016 | 11% over the limit |
| Oil & Grease | 1 | 29 | 1 | April 30, 2004 | 80% over the limit |
| Flow, maximum during 24 hr period | 1 | 29 | 1 | February 29, 2000 | 276% over the limit |
| Lead, total [as Pb] | 4 | 56 | 0 | ||
| Chromium, total [as Cr] | 2 | 56 | 0 | ||
| Iron, total [as Fe] | 2 | 56 | 0 | ||
| Nickel, total [as Ni] | 2 | 56 | 0 | ||
| Flow | 1 | 28 | 0 | ||
| pH, maximum | 0 | 28 | 0 | ||
| pH, minimum | 0 | 28 | 0 | ||
| Nitrogen, ammonia total [as N] | 0 | 17 | 0 | ||
| Nitrogen, nitrate total [as N] | 0 | 17 | 0 | ||
| Flow rate | 1 | 14 | 0 | ||
| Organics, total toxic [TTO] | 1 | 14 | 0 | ||
| Phosphorus, total [as P] | 0 | 14 | 0 | ||
| Coliform, fecal general | 0 | 14 | 0 | ||
| Arsenic, total [as As] | 2 | 4 | 0 | ||
| Nitrogen, nitrite total [as N] | 0 | 3 | 0 | ||
| Chlorine, total residual | 0 | 2 | 0 | ||
| LC50 Static 48Hr Acute Pimephales promelas | 0 | 2 | 0 | ||
| Pass/Fail Static 48Hr Acute D. Pulex | 2 | 0 | 0 | ||
| LC50 Static 48Hr Acute Pimephales promelas | 2 | 0 | 0 | ||
| Flow rate | 1 | 0 | 0 |
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
- 0Single-event violations
EPA’s single-event violation file, as loaded, holds no violation for NPDES CT0002968.
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.
Watch this permit
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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 CT0002968 there.
Nearby on the register
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- Every permit record in Connecticut, A to Z
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.