Clean Water Act discharge permit · NPDES CTP001059
SCHAEFFLER AEROSPACE USA CORPORATION, Danbury, CT: NPDES CTP001059 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 16Pollutants under a numeric limit
- 9Pollutants with an effluent exceedance
SCHAEFFLER AEROSPACE USA CORPORATION, held by BARDEN CORPORATION, THE, holds NPDES permit CTP001059, which discharges to Still River. EPA’s file records it issued April 13, 2007 and expiring April 30, 2012. 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 | SCHAEFFLER AEROSPACE USA CORPORATION |
|---|---|
| Permittee as filed | BARDEN CORPORATION, THE |
| NPDES ID | CTP001059 |
| 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 13, 2007 |
| Expiration date | April 30, 2012 |
| Issuing agency | CT DEP |
| Address | Danbury, CT 06810 |
| Receiving water | STILL RIVER |
| Receiving water impaired | 303(D) Listed |
| Other EPA IDs (FRS) | RCRA handler CTD001163732; ICIS-AIR source CT0000000900102277 |
Cited to the EPA ICIS-NPDES permit file (ECHO download); cross-program IDs from EPA’s FRS facility-registry crosswalk.
Effluent limits and exceedances
- 17Pollutants on file
- 16Under a numeric limit
- 10With a violation of any kind
- 9With 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 |
|---|---|---|---|---|---|
| Lead, total [as Pb] | 1 | 16 | 12 | September 30, 2022 | 500% over the limit |
| Iron, total [as Fe] | 1 | 10 | 10 | January 31, 2011 | 260% over the limit |
| Oil petroleum, total recoverable | 1 | 10 | 6 | July 31, 2016 | 200% over the limit |
| Flow, maximum during 24 hr period | 1 | 5 | 5 | November 30, 2008 | 18% over the limit |
| pH | 2 | 4 | 4 | April 30, 2007 | |
| Flow rate | 2 | 5 | 3 | January 31, 2009 | 26% over the limit |
| Zinc, total [as Zn] | 1 | 3 | 2 | April 30, 2007 | 190% over the limit |
| pH, minimum | 0 | 2 | 2 | June 30, 2018 | |
| Flow | 1 | 3 | 1 | May 31, 2005 | 2% over the limit |
| Nickel, total [as Ni] | 1 | 1 | 0 | ||
| Solids, total suspended | 1 | 0 | 0 | ||
| Cyanide, total [as CN] | 1 | 0 | 0 | ||
| Cadmium, total [as Cd] | 1 | 0 | 0 | ||
| Chromium, total [as Cr] | 1 | 0 | 0 | ||
| Copper, total [as Cu] | 1 | 0 | 0 | ||
| Silver, total [as Ag] | 1 | 0 | 0 | ||
| Organics, total toxic [TTO] | 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
- 4Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| August 7, 2025 | Effluent Violations - Numeric effluent violation | ST6 |
| August 7, 2025 | Permit Violations - Violation Specified in Comment | ST6 |
| August 7, 2025 | Reporting Violations - Improper/ Incorrect Reporting | ST6 |
| June 18, 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.
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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 CTP001059 there.
Nearby on the register
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- Every permit record in Danbury, 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.