Clean Water Act discharge permit · NPDES CTP000445
SARGENT MANUFACTURING COMPANY, New Haven, CT: NPDES CTP000445 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 18Pollutants under a numeric limit
- 7Pollutants with an effluent exceedance
SARGENT MANUFACTURING COMPANY holds NPDES permit CTP000445, which discharges to New Haven Harbor. EPA’s file records it issued December 1, 1998 and expiring November 30, 2003. 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.
Identity
| Facility as filed | SARGENT MANUFACTURING COMPANY |
|---|---|
| Permittee as filed | SARGENT MANUFACTURING COMPANY |
| NPDES ID | CTP000445 |
| 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 | December 1, 1998 |
| Expiration date | November 30, 2003 |
| Issuing agency | CT DEP |
| Address | New Haven, CT 06511 |
| Receiving water | NEW HAVEN HARBOR |
| Other EPA IDs (FRS) | RCRA handler CTD056748205; ICIS-AIR source CT0000000900900116 |
Cited to the EPA ICIS-NPDES permit file (ECHO download); cross-program IDs from EPA’s FRS facility-registry crosswalk.
Effluent limits and exceedances
- 22Pollutants on file
- 18Under a numeric limit
- 21With a violation of any kind
- 7With 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 |
|---|---|---|---|---|---|
| Chromium, total [as Cr] | 2 | 21 | 18 | November 30, 2013 | 180% over the limit |
| Copper, total [as Cu] | 2 | 9 | 5 | September 30, 2017 | 325% over the limit |
| Nickel, total [as Ni] | 2 | 8 | 4 | February 28, 2010 | 200% over the limit |
| pH, minimum | 0 | 6 | 4 | January 31, 2026 | |
| Zinc, total [as Zn] | 2 | 7 | 3 | February 28, 2010 | 195% over the limit |
| pH, maximum | 0 | 4 | 3 | May 31, 2026 | |
| Chromium, hexavalent [as Cr] | 2 | 4 | 1 | August 31, 2012 | 25% over the limit |
| Cyanide, free [amenable to chlorination] | 4 | 6 | 0 | ||
| pH | 2 | 3 | 0 | ||
| Solids, total suspended | 2 | 3 | 0 | ||
| Cyanide, total [as CN] | 2 | 3 | 0 | ||
| Cadmium, total [as Cd] | 2 | 3 | 0 | ||
| Lead, total [as Pb] | 2 | 3 | 0 | ||
| Silver, total [as Ag] | 2 | 3 | 0 | ||
| Tin, total [as Sn] | 0 | 3 | 0 | ||
| Chlorine, total residual | 2 | 2 | 0 | ||
| Flow | 2 | 2 | 0 | ||
| Flow rate | 1 | 2 | 0 | ||
| Flow, maximum during 24 hr period | 1 | 2 | 0 | ||
| Organics, total toxic [TTO] | 1 | 2 | 0 | ||
| Oil petroleum, total recoverable | 0 | 2 | 0 | ||
| Duration of discharge | 2 | 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
- 5Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| April 15, 2026 | Effluent Violations - Numeric effluent violation | ST6 |
| January 16, 2025 | Reporting Violations - Improper/ Incorrect Reporting | ST6 |
| January 16, 2025 | Management Practice Violations - Failure to Maintain Records | ST6 |
| April 11, 2024 | Management Practice Violations - Failure to Maintain Records | ST6 |
| April 11, 2024 | Permit Violations - Violation Specified in Comment | 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
One permit holder, $99/month. Watch the register for one permit holder and the places and receiving waters tied to its permits. Choose “One permit holder” and enter this permit’s NPDES ID, CTP000445.
Start the watch
- One permit holder — $99/month
- One watershed — $2,990/year
- One state — $4,990/year
- The whole register — $18,000/year
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 CTP000445 there.
Nearby on the register
- Discharge permits in New Haven
- Every permit record in New Haven, A to Z
- Discharge permits in Connecticut
- Every permit record in Connecticut, A to Z
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.