Clean Water Act discharge permit · NPDES CTP000025
COLONIAL BRONZE COMPANY, Torrington, CT: NPDES CTP000025 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 19Pollutants under a numeric limit
- 12Pollutants with an effluent exceedance
COLONIAL BRONZE COMPANY holds NPDES permit CTP000025, which discharges to Naugatuck River. EPA’s file records it issued April 30, 2012 and expiring April 30, 2017. 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 | COLONIAL BRONZE COMPANY |
|---|---|
| Permittee as filed | COLONIAL BRONZE COMPANY |
| NPDES ID | CTP000025 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual industrial user permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | April 30, 2012 |
| Expiration date | April 30, 2017 |
| Issuing agency | CT DEP |
| Address | Torrington, CT 06790 |
| Receiving water | NAUGATUCK RIVER |
| SIC | 3471 – Plating And Polishing |
| Other EPA IDs (FRS) | RCRA handler CTD058508722; ICIS-AIR source CT0000000900509004 |
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
- 19Pollutants on file
- 19Under a numeric limit
- 19With a violation of any kind
- 12With 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 |
|---|---|---|---|---|---|
| Flow rate | 1 | 46 | 21 | October 31, 2003 | 34% over the limit |
| Chromium, total [as Cr] | 2 | 50 | 8 | June 30, 2006 | 121% over the limit |
| Nickel, total [as Ni] | 2 | 49 | 7 | January 31, 2012 | 123% over the limit |
| Flow, maximum during 24 hr period | 1 | 26 | 5 | October 31, 2007 | 7% over the limit |
| Cyanide, free [amenable to chlorination] | 2 | 42 | 2 | August 31, 2005 | 563% over the limit |
| Chromium, hexavalent [as Cr] | 2 | 42 | 2 | October 31, 2004 | 186% over the limit |
| Copper, total [as Cu] | 2 | 42 | 2 | August 31, 2005 | 168% over the limit |
| pH | 2 | 41 | 1 | January 31, 2004 | |
| Flow | 1 | 25 | 1 | March 31, 2002 | 1% over the limit |
| pH, minimum | 1 | 24 | 1 | June 30, 2022 | |
| pH, maximum | 1 | 23 | 1 | March 31, 2022 | |
| Solids, total suspended | 1 | 21 | 1 | July 31, 2015 | 5% over the limit |
| Cyanide, total [as CN] | 2 | 44 | 0 | ||
| Zinc, total [as Zn] | 2 | 43 | 0 | ||
| Organics, total toxic [TTO] | 1 | 22 | 0 | ||
| Cadmium, total [as Cd] | 2 | 8 | 0 | ||
| Lead, total [as Pb] | 2 | 6 | 0 | ||
| Silver, total [as Ag] | 2 | 6 | 0 | ||
| Aluminum, total [as Al] | 1 | 4 | 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
- 7Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| November 13, 2025 | Permit Violations - Violation Specified in Comment | ST6 |
| November 13, 2025 | Pretreatment - Failure to submit required report (non-DMR) | ST6 |
| November 13, 2025 | Reporting Violations - Improper/ Incorrect Reporting | ST6 |
| November 13, 2025 | Management Practice Violations - Failure to Maintain Records | ST6 |
| November 19, 2024 | Effluent Violations - Numeric effluent violation | ST6 |
| December 19, 2023 | Effluent Violations - Numeric effluent violation | ST6 |
| November 29, 2023 | Management Practice Violations - Failure to Maintain Records | ST6 |
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 CTP000025 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.