Clean Water Act discharge permit · NPDES NHPIU004K
RETHZ LIGHT METALS, Nashua, NH: NPDES NHPIU004K discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 0Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
RETHZ LIGHT METALS, held by Rethz Light Metals, holds NPDES permit NHPIU004K. EPA’s file records it issued August 31, 2021 and expiring August 30, 2026. 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 RETHZ LIGHT METALS: its NPDES ID, its permit type and status, its dates, its address in Nashua, New Hampshire. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES NHPIU004K.
Identity
| Facility as filed | RETHZ LIGHT METALS |
|---|---|
| Permittee as filed | Rethz Light Metals |
| NPDES ID | NHPIU004K |
| 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 | August 31, 2021 |
| Expiration date | August 30, 2026 |
| Issuing agency | Nashua Wastewater Treatment Facility |
| Address | Nashua, NH 03060 |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 0Pollutants on file
- 0Under a numeric limit
- 0With a violation of any kind
- 0With an effluent exceedance
EPA’s limits and effluent violation files hold no pollutant row for NPDES NHPIU004K.
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 NHPIU004K.
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 NHPIU004K there.
Nearby on the register
- Discharge permits in Nashua
- Every permit record in Nashua, A to Z
- Discharge permits in New Hampshire
- Every permit record in New Hampshire, A to Z
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.