Clean Water Act discharge permit · NPDES CTR050010
UNITED ALUMINUM CORPORATION, North Haven, CT: NPDES CTR050010 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 32Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
UNITED ALUMINUM CORPORATION, held by United Aluminum Corporation, holds NPDES permit CTR050010. EPA’s file records it issued June 15, 2026 and expiring September 30, 2030. 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.
What the register holds for UNITED ALUMINUM CORPORATION: its NPDES ID, its permit type and status, its dates, its address in North Haven, Connecticut, and 32 pollutants under a numeric limit. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES CTR050010.
Identity
| Facility as filed | UNITED ALUMINUM CORPORATION |
|---|---|
| Permittee as filed | United Aluminum Corporation |
| NPDES ID | CTR050010 |
| Permit status | Effective |
| Permit type | Coverage under a general permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Program | Industrial stormwater |
| Issued | June 15, 2026 |
| Expiration date | September 30, 2030 |
| Issuing agency | CT DEEP |
| Address | North Haven, CT 06473 |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Muddy River (HUC 011000040104) |
| Other EPA IDs (FRS) | ICIS-AIR source CT0000000900904292 |
Cited to the EPA ICIS-NPDES permit file (ECHO download); cross-program IDs from EPA’s FRS facility-registry crosswalk.
Effluent limits and exceedances
- 32Pollutants on file
- 32Under 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 | 4 | 0 | 0 | ||
| Conductivity | 2 | 0 | 0 | ||
| Solids, total suspended | 2 | 0 | 0 | ||
| Oil & Grease | 2 | 0 | 0 | ||
| Nitrogen, Kjeldahl, total [as N] | 2 | 0 | 0 | ||
| Phosphorous, total recoverable | 2 | 0 | 0 | ||
| Hardness, total [as CaCO3] | 2 | 0 | 0 | ||
| Zinc, total recoverable | 2 | 0 | 0 | ||
| Aluminum, total recoverable | 2 | 0 | 0 | ||
| Lead, total recoverable | 2 | 0 | 0 | ||
| Copper, total recoverable | 2 | 0 | 0 | ||
| Acenaphthylene | 2 | 0 | 0 | ||
| Acenaphthene | 2 | 0 | 0 | ||
| Anthracene | 2 | 0 | 0 | ||
| Benzo[b]fluoranthene | 2 | 0 | 0 | ||
| Benzo[k]fluoranthene | 2 | 0 | 0 | ||
| Benzo[a]pyrene | 2 | 0 | 0 | ||
| Chrysene | 2 | 0 | 0 | ||
| Fluoranthene | 2 | 0 | 0 | ||
| Fluorene | 2 | 0 | 0 | ||
| Indeno[1,2,3-cd]pyrene | 2 | 0 | 0 | ||
| Phenanthrene | 2 | 0 | 0 | ||
| Pyrene | 2 | 0 | 0 | ||
| Benzo[ghi]perylene | 2 | 0 | 0 | ||
| Benzo[a]anthracene | 2 | 0 | 0 | ||
| Dibenz[a,h]anthracene | 2 | 0 | 0 | ||
| Naphthalene | 2 | 0 | 0 | ||
| Nitrogen, nitrate total [as NO3] | 2 | 0 | 0 | ||
| Chemical Oxygen Demand [COD] | 2 | 0 | 0 | ||
| LC50 Static 48Hr Acute D. Pulex | 2 | 0 | 0 | ||
| NOAEL Static 48Hr Acute D. pulex | 2 | 0 | 0 | ||
| %Surv Static 48Hr Acute Daphnia Pulex | 2 | 0 | 0 |
EPA’s effluent violation file records no exceedance of a numeric limit for NPDES CTR050010.
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 CTR050010.
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, CTR050010.
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 CTR050010 there.
Nearby on the register
- Discharge permits in North Haven
- Every permit record in North Haven, 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.