Clean Water Act discharge permit · NPDES CTP000021
BOEHRINGER INGELHEIM PHARMACEU, Ridgefield, CT: NPDES CTP000021 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 16Pollutants under a numeric limit
- 8Pollutants with an effluent exceedance
BOEHRINGER INGELHEIM PHARMACEU holds NPDES permit CTP000021, which discharges to Still Rvr(E. Swamp/Limekiln Brooks). EPA’s file records it issued September 30, 2010 and expiring September 30, 2015. 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 | BOEHRINGER INGELHEIM PHARMACEU |
|---|---|
| Permittee as filed | BOEHRINGER INGELHEIM PHARMACEU |
| NPDES ID | CTP000021 |
| 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 | September 30, 2010 |
| Expiration date | September 30, 2015 |
| Issuing agency | CT DEP |
| Address | Ridgefield, CT 06877 |
| Receiving water | STILL RVR(E. SWAMP/LIMEKILN BROOKS) |
| Other EPA IDs (FRS) | ICIS-AIR source CT0000000900102495 |
Cited to the EPA ICIS-NPDES permit file (ECHO download); cross-program IDs from EPA’s FRS facility-registry crosswalk.
Effluent limits and exceedances
- 16Pollutants on file
- 16Under a numeric limit
- 8With 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 |
|---|---|---|---|---|---|
| Flow, maximum during 24 hr period | 7 | 31 | 30 | July 31, 2023 | 586% over the limit |
| Solids, total suspended | 2 | 20 | 16 | September 30, 2019 | 443% over the limit |
| pH | 14 | 16 | 16 | October 31, 2018 | |
| Acetone | 2 | 8 | 8 | April 30, 2007 | 26,729% over the limit |
| BOD, 5-day, 20 deg. C | 12 | 11 | 6 | April 30, 2018 | 190% over the limit |
| pH, minimum | 2 | 6 | 6 | December 31, 2025 | |
| pH, maximum | 2 | 5 | 5 | October 31, 2018 | |
| Flow | 1 | 1 | 1 | June 30, 2003 | 2% over the limit |
| Methylene chloride | 7 | 0 | 0 | ||
| Flow rate | 5 | 0 | 0 | ||
| Volatile fraction organics [EPA 624] | 5 | 0 | 0 | ||
| Zinc, total [as Zn] | 3 | 0 | 0 | ||
| Isopropyl acetate | 2 | 0 | 0 | ||
| n-Amyl acetate | 2 | 0 | 0 | ||
| Ethyl acetate | 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
- 2Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| September 1, 2026 | Permit Violations - Discharge Without a Valid Permit | ST6 |
| September 1, 2026 | 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
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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 CTP000021 there.
Nearby on the register
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Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.