Clean Water Act discharge permit · NPDES CTP000088
THE MARLIN FIREARMS COMPANY, North Haven, CT: NPDES CTP000088 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 0Pollutants under a numeric limit
- 3Pollutants with an effluent exceedance
THE MARLIN FIREARMS COMPANY, held by MARLIN FIREARMS COMPANY, holds NPDES permit CTP000088, which discharges to Quinnipiac River. EPA’s file records it issued March 1, 1990 and expiring March 5, 1995. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | THE MARLIN FIREARMS COMPANY |
|---|---|
| Permittee as filed | MARLIN FIREARMS COMPANY |
| NPDES ID | CTP000088 |
| 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 | March 1, 1990 |
| Expiration date | March 5, 1995 |
| Address | North Haven, CT 06473 |
| Receiving water | QUINNIPIAC RIVER |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 16Pollutants on file
- 0Under a numeric limit
- 16With a violation of any kind
- 3With 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 |
|---|---|---|---|---|---|
| Iron, total [as Fe] | 0 | 33 | 17 | January 31, 2009 | 49% over the limit |
| Cyanide, free [amenable to chlorination] | 0 | 12 | 2 | April 30, 2003 | 350% over the limit |
| pH | 0 | 17 | 1 | February 28, 2009 | |
| Chromium, hexavalent [as Cr] | 0 | 23 | 0 | ||
| Flow | 0 | 19 | 0 | ||
| Chromium, total [as Cr] | 0 | 17 | 0 | ||
| Solids, total suspended | 0 | 16 | 0 | ||
| Aluminum, total [as Al] | 0 | 16 | 0 | ||
| Cyanide, total [as CN] | 0 | 10 | 0 | ||
| Formaldehyde | 0 | 10 | 0 | ||
| Duration of discharge | 0 | 10 | 0 | ||
| Oil petroleum, total recoverable | 0 | 8 | 0 | ||
| Flow, maximum during 24 hr period | 0 | 8 | 0 | ||
| Nickel, total [as Ni] | 0 | 7 | 0 | ||
| Copper, total [as Cu] | 0 | 6 | 0 | ||
| Flow rate | 0 | 3 | 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
- 0Single-event violations
EPA’s single-event violation file, as loaded, holds no violation for NPDES CTP000088.
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 CTP000088 there.
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Figures from EPA’s ICIS-NPDES download, loaded September 14, 2026.