Clean Water Act discharge permit · NPDES CTP000110
VANDERBILT CHEMICALS, LLC, Bethel, CT: NPDES CTP000110 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 66Pollutants under a numeric limit
- 6Pollutants with an effluent exceedance
VANDERBILT CHEMICALS, LLC, held by VANDERBILT CHEMICALS, LLC, holds NPDES permit CTP000110, which discharges to Still Rvr(E Swamp/Limekiln Brooks). EPA’s file records it issued January 16, 2015 and expiring January 31, 2020. 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 | VANDERBILT CHEMICALS, LLC |
|---|---|
| Permittee as filed | VANDERBILT CHEMICALS, LLC |
| NPDES ID | CTP000110 |
| 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 | January 16, 2015 |
| Expiration date | January 31, 2020 |
| Issuing agency | CT DEP |
| Address | Bethel, CT 06801 |
| Receiving water | STILL RVR(E SWAMP/LIMEKILN BROOKS) |
| Other EPA IDs (FRS) | RCRA handler CTD001181205; ICIS-AIR source CT0000000900108838 |
Cited to the EPA ICIS-NPDES permit file (ECHO download); cross-program IDs from EPA’s FRS facility-registry crosswalk.
Effluent limits and exceedances
- 66Pollutants on file
- 66Under a numeric limit
- 21With a violation of any kind
- 6With 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; the 60 with the most exceedances of 66 are shown.
| Pollutant or measure | Limits | Violations, any kind | Effluent exceedances | Latest exceedance | Largest exceedance, as filed |
|---|---|---|---|---|---|
| Methylene chloride | 4 | 11 | 3 | June 30, 2008 | 132% over the limit |
| Lead, total [as Pb] | 4 | 10 | 2 | November 30, 2021 | 28% over the limit |
| Diethyl phthalate | 4 | 2 | 2 | June 30, 2002 | 98% over the limit |
| pH | 2 | 5 | 1 | August 31, 2023 | |
| pH, minimum | 1 | 3 | 1 | August 31, 2023 | |
| Zinc, total [as Zn] | 4 | 1 | 1 | June 30, 2015 | 31% over the limit |
| 4-Nitrophenol | 4 | 8 | 0 | ||
| BOD, 5-day, 20 deg. C | 2 | 4 | 0 | ||
| Solids, total suspended | 2 | 4 | 0 | ||
| Phosphorus, total [as P] | 2 | 4 | 0 | ||
| Sulfate, total [as SO4] | 2 | 4 | 0 | ||
| Cadmium, total [as Cd] | 2 | 4 | 0 | ||
| Copper, total [as Cu] | 2 | 4 | 0 | ||
| Diethylamine | 2 | 4 | 0 | ||
| Chemical Oxygen Demand [COD] | 2 | 4 | 0 | ||
| Flow rate | 1 | 2 | 0 | ||
| Flow rate | 1 | 2 | 0 | ||
| Oil petroleum, total recoverable | 1 | 2 | 0 | ||
| Flow, maximum during 24 hr period | 1 | 2 | 0 | ||
| pH, maximum | 1 | 2 | 0 | ||
| Flow | 1 | 2 | 0 | ||
| Ethylbenzene | 8 | 0 | 0 | ||
| Cyanide, total [as CN] | 4 | 0 | 0 | ||
| Carbon tetrachloride | 4 | 0 | 0 | ||
| 1,2-Dichloroethane | 4 | 0 | 0 | ||
| Chloroform | 4 | 0 | 0 | ||
| Toluene | 4 | 0 | 0 | ||
| Benzene | 4 | 0 | 0 | ||
| Acenaphthene | 4 | 0 | 0 | ||
| Anthracene | 4 | 0 | 0 | ||
| Chlorobenzene | 4 | 0 | 0 | ||
| Chloroethane, total weight | 4 | 0 | 0 | ||
| Dimethyl phthalate | 4 | 0 | 0 | ||
| Fluoranthene | 4 | 0 | 0 | ||
| Fluorene | 4 | 0 | 0 | ||
| Hexachloroethane | 4 | 0 | 0 | ||
| Methyl chloride [Chloromethane] | 4 | 0 | 0 | ||
| Nitrobenzene | 4 | 0 | 0 | ||
| Phenanthrene | 4 | 0 | 0 | ||
| Pyrene | 4 | 0 | 0 | ||
| Tetrachloroethylene | 4 | 0 | 0 | ||
| 1,1-Dichloroethane | 4 | 0 | 0 | ||
| 1,1-Dichloroethylene | 4 | 0 | 0 | ||
| 1,1,1-Trichloroethane | 4 | 0 | 0 | ||
| 1,1,2-Trichloroethane | 4 | 0 | 0 | ||
| 1,2-Dichlorobenzene | 4 | 0 | 0 | ||
| 1,2-Dichloropropane | 4 | 0 | 0 | ||
| trans-1,2-Dichloroethylene | 4 | 0 | 0 | ||
| 1,2,4-Trichlorobenzene | 4 | 0 | 0 | ||
| 1,3-Dichlorobenzene | 4 | 0 | 0 | ||
| 1,4-Dichlorobenzene | 4 | 0 | 0 | ||
| 2-Nitrophenol | 4 | 0 | 0 | ||
| 4,6-Dinitro-o-cresol | 4 | 0 | 0 | ||
| Naphthalene | 4 | 0 | 0 | ||
| Di[2-ethylhexyl] phthalate [DEHP] | 4 | 0 | 0 | ||
| Di-n-butyl phthalate | 4 | 0 | 0 | ||
| Vinyl chloride | 4 | 0 | 0 | ||
| Trichloroethylene | 4 | 0 | 0 | ||
| Hexachlorobenzene | 4 | 0 | 0 | ||
| Hexachlorobutadiene | 4 | 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 |
|---|---|---|
| April 20, 2026 | Management Practice Violations - Improper Operation and Maintenance | ST6 |
| May 1, 2024 | Management Practice Violations - Improper Operation and Maintenance | 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 CTP000110 there.
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Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.