Clean Water Act discharge permit · NPDES CTP000082
LEED-HIMMEL INDUSTRIES, INC., Hamden, CT: NPDES CTP000082 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 19Pollutants under a numeric limit
- 7Pollutants with an effluent exceedance
LEED-HIMMEL INDUSTRIES, INC. holds NPDES permit CTP000082, which discharges to New Haven Harbor. EPA’s file records it issued May 31, 2019 and expiring May 31, 2024. 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.
Identity
| Facility as filed | LEED-HIMMEL INDUSTRIES, INC. |
|---|---|
| Permittee as filed | LEED-HIMMEL INDUSTRIES, INC. |
| NPDES ID | CTP000082 |
| 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 | May 31, 2019 |
| Expiration date | May 31, 2024 |
| Issuing agency | CT DEP |
| Address | Hamden, CT 06514 |
| Receiving water | NEW HAVEN HARBOR |
| SIC | 3446 – Architectural Metal Work |
| Other EPA IDs (FRS) | RCRA handler CTD001185206; ICIS-AIR source CT0000000900901303 |
Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download; cross-program IDs from EPA’s FRS facility-registry crosswalk.
Effluent limits and exceedances
- 19Pollutants on file
- 19Under a numeric limit
- 19With a violation of any kind
- 7With 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 | 54 | 50 | November 30, 2022 | |
| pH, minimum | 2 | 19 | 19 | November 30, 2022 | |
| Tin, total [as Sn] | 4 | 28 | 18 | October 31, 2025 | 350% over the limit |
| pH, maximum | 2 | 13 | 13 | November 30, 2022 | |
| Flow, maximum during 24 hr period | 1 | 14 | 11 | September 30, 2022 | 72% over the limit |
| Flow | 2 | 22 | 10 | May 31, 2007 | 971% over the limit |
| Chromium, total [as Cr] | 4 | 26 | 2 | December 31, 2005 | 60% over the limit |
| Organics, total toxic [TTO] | 2 | 15 | 0 | ||
| Solids, total suspended | 4 | 12 | 0 | ||
| Nickel, total [as Ni] | 4 | 12 | 0 | ||
| Aluminum, total [as Al] | 4 | 12 | 0 | ||
| Chromium, hexavalent [as Cr] | 2 | 12 | 0 | ||
| Fluoride, total [as F] | 4 | 6 | 0 | ||
| Cadmium, total [as Cd] | 4 | 2 | 0 | ||
| Copper, total [as Cu] | 4 | 2 | 0 | ||
| Lead, total [as Pb] | 4 | 2 | 0 | ||
| Silver, total [as Ag] | 4 | 2 | 0 | ||
| Zinc, total [as Zn] | 4 | 2 | 0 | ||
| Cyanide, total [as CN] | 2 | 2 | 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
- 5Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| August 28, 2026 | Permit Violations - Failure to Pay Fees | ST6 |
| April 22, 2025 | Effluent Violations - Numeric effluent violation | ST6 |
| April 22, 2025 | Permit Violations - Violation Specified in Comment | ST6 |
| May 21, 2024 | Effluent Violations - Numeric effluent violation | ST6 |
| May 21, 2024 | Management Practice Violations - Failure to Maintain Records | ST6 |
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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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 CTP000082 there.
Nearby on the register
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- Every permit record in Hamden, A to Z
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- Every permit record in Connecticut, A to Z
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.