Clean Water Act discharge permit · NPDES CTP002236
MARMON UTILITY LLC, Seymour, CT: NPDES CTP002236 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 11Pollutants under a numeric limit
- 4Pollutants with an effluent exceedance
MARMON UTILITY LLC, held by MARMON UTILITY, LLC, holds NPDES permit CTP002236, which discharges to Naugatuck River. EPA’s file records it issued July 17, 2007 and expiring July 31, 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 | MARMON UTILITY LLC |
|---|---|
| Permittee as filed | MARMON UTILITY, LLC |
| NPDES ID | CTP002236 |
| 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 | July 17, 2007 |
| Expiration date | July 31, 2012 |
| Issuing agency | CT DEP |
| Address | Seymour, CT 06483 |
| Receiving water | NAUGATUCK RIVER |
| Receiving water impaired | 303(D) Listed |
| Other EPA IDs (FRS) | RCRA handler CTD001168624; ICIS-AIR source CT0000000900909007 |
Cited to the EPA ICIS-NPDES permit file (ECHO download); cross-program IDs from EPA’s FRS facility-registry crosswalk.
Effluent limits and exceedances
- 14Pollutants on file
- 11Under a numeric limit
- 13With a violation of any kind
- 4With 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 | 14 | 49 | 23 | June 30, 2005 | |
| Lead, total [as Pb] | 5 | 45 | 21 | May 31, 2026 | 1,130% over the limit |
| Zinc, total [as Zn] | 5 | 29 | 3 | December 31, 2021 | 55% over the limit |
| Flow, maximum during 24 hr period | 7 | 17 | 3 | September 30, 2016 | 17% over the limit |
| Flow | 7 | 33 | 0 | ||
| Duration of discharge | 0 | 28 | 0 | ||
| Copper, total [as Cu] | 5 | 25 | 0 | ||
| Nickel, total [as Ni] | 5 | 24 | 0 | ||
| Flow rate | 7 | 13 | 0 | ||
| Oil & Grease | 2 | 8 | 0 | ||
| Solids, total suspended | 1 | 8 | 0 | ||
| Chromium, total [as Cr] | 0 | 2 | 0 | ||
| Antimony, total [as Sb] | 0 | 2 | 0 | ||
| Oil petroleum, total recoverable | 5 | 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
- 0Single-event violations
EPA’s single-event violation file, as loaded, holds no violation for NPDES CTP002236.
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
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, CTP002236.
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 CTP002236 there.
Nearby on the register
- Discharge permits in Seymour
- Every permit record in Seymour, 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.