Clean Water Act discharge permit · NPDES NHPIU004W
LYDALL PERFORMANCE MATERIALS, INC., Rochester, NH: NPDES NHPIU004W discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 0Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
LYDALL PERFORMANCE MATERIALS, INC., held by Lydall Performance Materials, Inc., holds NPDES permit NHPIU004W. EPA’s file records it issued February 3, 2024 and expiring February 2, 2029. 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 LYDALL PERFORMANCE MATERIALS, INC.: its NPDES ID, its permit type and status, its dates, its address in Rochester, New Hampshire. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES NHPIU004W.
Identity
| Facility as filed | LYDALL PERFORMANCE MATERIALS, INC. |
|---|---|
| Permittee as filed | Lydall Performance Materials, Inc. |
| NPDES ID | NHPIU004W |
| Permit status | Effective |
| Permit type | Individual industrial user permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | February 3, 2024 |
| Expiration date | February 2, 2029 |
| Issuing agency | Rochester Wwtf |
| Address | Rochester, NH 03867 |
| Receiving water impaired | 303(D) Listed |
| Other EPA IDs (FRS) | RCRA handler NHD048723506; ICIS-AIR source NH0000003301700020 |
Cited to the EPA ICIS-NPDES permit file (ECHO download); cross-program IDs from EPA’s FRS facility-registry crosswalk.
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 NHPIU004W.
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 NHPIU004W.
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 NHPIU004W there.
Nearby on the register
- Discharge permits in Rochester
- Every permit record in Rochester, 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.