NPDES CTP000445 · Clean Water Act
SARGENT MANUFACTURING COMPANY, New Haven, CT: NPDES CTP000445 discharge permit, effluent exceedances, inspections, penalties
SARGENT MANUFACTURING COMPANY, New Haven, Connecticut: Individual industrial user permit CTP000445; Administratively continued; issued December 1, 1998, term to November 30, 2003, by CT DEP; discharges to NEW HAVEN HARBOR.
1 of the 22 pollutants listed for NPDES CTP000445 have no violation or effluent exceedance.
- Chromium, total [as Cr]: 2 limits, 21 violations of any kind, 18 effluent exceedances, latest November 30, 2013, largest 180% over the limit.
- Copper, total [as Cu]: 2 limits, 9 violations of any kind, 5 effluent exceedances, latest September 30, 2017, largest 325% over the limit.
- Nickel, total [as Ni]: 2 limits, 8 violations of any kind, 4 effluent exceedances, latest February 28, 2010, largest 200% over the limit.
- pH, minimum: 0 limits, 6 violations of any kind, 4 effluent exceedances, latest January 31, 2026.
- Zinc, total [as Zn]: 2 limits, 7 violations of any kind, 3 effluent exceedances, latest February 28, 2010, largest 195% over the limit.
- pH, maximum: 0 limits, 4 violations of any kind, 3 effluent exceedances, latest May 31, 2026.
- Chromium, hexavalent [as Cr]: 2 limits, 4 violations of any kind, 1 effluent exceedance, latest August 31, 2012, largest 25% over the limit.
- Cyanide, free [amenable to chlorination]: 4 limits, 6 violations of any kind.
- pH: 2 limits, 3 violations of any kind.
- Solids, total suspended: 2 limits, 3 violations of any kind.
- Cyanide, total [as CN]: 2 limits, 3 violations of any kind.
- Cadmium, total [as Cd]: 2 limits, 3 violations of any kind.
- Lead, total [as Pb]: 2 limits, 3 violations of any kind.
- Silver, total [as Ag]: 2 limits, 3 violations of any kind.
- Tin, total [as Sn]: 0 limits, 3 violations of any kind.
- Chlorine, total residual: 2 limits, 2 violations of any kind.
- Flow: 2 limits, 2 violations of any kind.
- Flow rate: 1 limit, 2 violations of any kind.
- Flow, maximum during 24 hr period: 1 limit, 2 violations of any kind.
- Organics, total toxic [TTO]: 1 limit, 2 violations of any kind.
- Oil petroleum, total recoverable: 0 limits, 2 violations of any kind.
- Duration of discharge: 2 limits.
- April 15, 2026: Effluent Violations - Numeric effluent violation (ST6).
- April 15, 2026: Sampling (IU) (S).
- 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).
SARGENT MANUFACTURING COMPANY among its neighbors
Its county: 202, 21 major; CTP000445 is minor permit.
Other permits in the county
- 3M PURIFICATION INC, Meriden: CTR050020, minor, term to 2030-09-30
- 725 BANK STREET DEVELOPMENT, INC., Waterbury: CTP002215, minor, term to 2011-07-31
- ACCEL INTERNATIONAL HOLDINGS, LLC, Meriden: CTR050290, minor, term to 2030-09-30
- AGC, INCORPORATED, Meriden: CTP000120, minor, term to 2009-02-19
- AIR COTROL SQUADRON, Orange: CTR100088, minor, term to 2007-10-01
- ALBERT BROS INC, Waterbury: CTP002387, minor, term to 2028-07-31
- ALLEGHENY LUDLUM CORPORATION, Wallingford: CT0003701, major, term to 2006-06-26
- ALLEGHENY LUDLUM CORPORATION, Waterbury: CTP001395, minor, term to 2011-06-30
- ALLNEX USA INCORPORATED, Wallingford: CT0000086, major, term to 2016-05-31
- AMAZON.COM SERVICES LLC - DCY9, Orange: CTR050156, minor, term to 2030-09-30
Identity
| Facility | SARGENT MANUFACTURING COMPANY |
|---|---|
| Permittee | SARGENT MANUFACTURING COMPANY |
| NPDES ID | CTP000445 |
| Status | Administratively continued |
| Type | Individual industrial user permit |
| Class | Minor |
| Facility type | Non-POTW |
| Issued | December 1, 1998 |
| Expires | November 30, 2003 |
| Agency | CT DEP |
| Address | New Haven, CT 06511 |
| Receiving water | NEW HAVEN HARBOR |
| Other EPA IDs (FRS) | RCRA handler CTD056748205; ICIS-AIR source CT0000000900900116 |
NPDES CTP000445: effluent limits and exceedances
SARGENT MANUFACTURING COMPANY (NPDES CTP000445): 22 pollutants on file, 18 limited; 21 with a violation of any kind, 7 with an exceedance.
| Pollutant | Limits | Violations | Exceedances | Latest | Largest, 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 |
NPDES CTP000445: inspections, violations and enforcement
NPDES CTP000445: 5 single-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 |
NPDES CTP000445: 1 inspection
| Date | What EPA recorded | Agency |
|---|---|---|
| April 15, 2026 | Sampling (IU) | S |
NPDES CTP000445 (SARGENT MANUFACTURING COMPANY): no formal enforcement action and informal enforcement action on file.
Watch NPDES CTP000445
NPDES CTP000445: one email when its EPA record changes — $99/month.
Permits near NPDES CTP000445
NPDES CTP000445: 22 pollutant rows, 6 dated events; ICIS-NPDES download, loaded September 15, 2026.