Clean Water Act discharge permit · NPDES CT0024457
APPLIED BIOSYSTEMS, LLC, Ridgefield, CT: NPDES CT0024457 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 9Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
- 0Inspections on file
- 0Formal enforcement actions
APPLIED BIOSYSTEMS, LLC holds NPDES permit CT0024457, which discharges to Norwalk River Via Little Pond. EPA’s file records it issued January 1, 2001 and expiring January 9, 2006. 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.
What the register holds for APPLIED BIOSYSTEMS, LLC: its NPDES ID, its permit type and status, its dates, its address in Ridgefield, Connecticut, its receiving water, and 9 pollutants under a numeric limit. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES CT0024457.
Identity
| Facility as filed | APPLIED BIOSYSTEMS, LLC |
|---|---|
| Permittee as filed | APPLIED BIOSYSTEMS, LLC |
| NPDES ID | CT0024457 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | January 1, 2001 |
| Expiration date | January 9, 2006 |
| Issuing agency | CT DEP |
| Address | Ridgefield, CT 06877 |
| Receiving water | NORWALK RIVER VIA LITTLE POND |
| Subwatershed | Norwalk River-Frontal Norwalk Harbor (HUC 011000060202) |
| SIC | 3826 – Analytical Instruments |
Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download.
Effluent limits and exceedances
- 9Pollutants on file
- 9Under a numeric limit
- 0With a violation of any kind
- 0With 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 |
|---|---|---|---|---|---|
| pH | 2 | 0 | 0 | ||
| Copper, total [as Cu] | 2 | 0 | 0 | ||
| Lead, total [as Pb] | 2 | 0 | 0 | ||
| Zinc, total [as Zn] | 2 | 0 | 0 | ||
| Chlorine, total residual | 2 | 0 | 0 | ||
| Pass/Fail Static 48Hr Acute D. Pulex | 2 | 0 | 0 | ||
| Pass/Fail Static 96 Hr Acute Pimephales Promelas | 2 | 0 | 0 | ||
| Flow rate | 1 | 0 | 0 | ||
| Organics, volatile [NJAC reg. 7:23-17e] | 1 | 0 | 0 |
EPA’s effluent violation file records no exceedance of a numeric limit for NPDES CT0024457.
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
- 0Single-event violations
EPA’s single-event violation file, as loaded, holds no violation for NPDES CT0024457.
Inspections
EPA’s inspection file holds no inspection for NPDES CT0024457.
Formal enforcement and penalties
0 formal actions, 0 of them with a penalty assessed. Federal and state penalties are separate figures from separate authorities and are shown as each was filed, never added together.
Informal enforcement
EPA’s informal enforcement file holds no action for NPDES CT0024457.
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, CT0024457.
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 CT0024457 there.
Nearby on the register
- Discharge permits in Ridgefield
- Every permit record in Ridgefield, A to Z
- Discharge permits in Connecticut
- Every permit record in Connecticut, A to Z
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.