Clean Water Act discharge permit · NPDES CTR050022
NATIONAL CHROMIUM COMPANY INC., Putnam, CT: NPDES CTR050022 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 16Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
NATIONAL CHROMIUM COMPANY INC., held by NATIONAL CHROMIUM COMPANY, INCORPORATED, holds NPDES permit CTR050022. 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 NATIONAL CHROMIUM COMPANY INC.: its NPDES ID, its permit type and status, its dates, its address in Putnam, Connecticut, and 16 pollutants under a numeric limit. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES CTR050022.
Identity
| Facility as filed | NATIONAL CHROMIUM COMPANY INC. |
|---|---|
| Permittee as filed | NATIONAL CHROMIUM COMPANY, INCORPORATED |
| NPDES ID | CTR050022 |
| 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 | Putnam, CT 06260 |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Little River (HUC 011000010401) |
| Other EPA IDs (FRS) | RCRA handler CTD001160811; ICIS-AIR source CT0000000901501721 |
Cited to the EPA ICIS-NPDES permit file (ECHO download); cross-program IDs from EPA’s FRS facility-registry crosswalk.
Effluent limits and exceedances
- 16Pollutants on file
- 16Under 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 | ||
| Conductivity | 1 | 0 | 0 | ||
| Solids, total suspended | 1 | 0 | 0 | ||
| Oil & Grease | 1 | 0 | 0 | ||
| Nitrogen, Kjeldahl, total [as N] | 1 | 0 | 0 | ||
| Phosphorous, total recoverable | 1 | 0 | 0 | ||
| Hardness, total [as CaCO3] | 1 | 0 | 0 | ||
| Zinc, total recoverable | 1 | 0 | 0 | ||
| Aluminum, total recoverable | 1 | 0 | 0 | ||
| Lead, total recoverable | 1 | 0 | 0 | ||
| Copper, total recoverable | 1 | 0 | 0 | ||
| Nitrogen, nitrate total [as NO3] | 1 | 0 | 0 | ||
| Chemical Oxygen Demand [COD] | 1 | 0 | 0 | ||
| LC50 Static 48Hr Acute D. Pulex | 1 | 0 | 0 | ||
| NOAEL Static 48Hr Acute D. pulex | 1 | 0 | 0 | ||
| %Surv Static 48Hr Acute Daphnia Pulex | 1 | 0 | 0 |
EPA’s effluent violation file records no exceedance of a numeric limit for NPDES CTR050022.
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 CTR050022.
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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Start the watch
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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 CTR050022 there.
Nearby on the register
- Discharge permits in Putnam
- Every permit record in Putnam, 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.