EPA v. LYDALL PERFORMANCE MATERIALS, INC.

Case summary

On May 15, 2025, EPA issued a Clean Water Act (CWA) administrative order (Order) to Lydall Performance Materials, Inc. of Rochester, NH for failure to submit discharge monitoring reports (DMRs) pursuant to their CWA National Pollutant Discharge Elimination System (NPDES) permit. Lydall Performance Materials, Inc. was authorized to discharge under the Multi Sector General Permit (MSGP); they failed to submit required discharge monitoring reports and at least one Annual Report required by their permits. The Order requires the permittee to submit all outstanding DMRs and Annual Reports and continue to report as required by their permit. EPA is responsible for implementing the Clean Water Act in New Hampshire. EPA notified the New Hampshire Department of Environmental Services of this action.

Defendants (1)

• LYDALL PERFORMANCE MATERIALS, INC.Named in complaintNamed in settlement

Facilities (1)

• LYDALL PERFORMANCE MATERIALS, INC.

  134 CHESTNUT HILL ROAD, ROCHESTER, NH, 03867

  Registry ID: 110002465323

Statutes cited

• CWA 301/402 — NPDES Permit Violations

Enforcement conclusions (1)

• LYDALL PERFORMANCE MATERIALS, INC.entered 2025-05-15

  Primary law: CWA

Timeline (5 milestones)

• 2025-05-15Complaint Filed/Proposed Order
• 2025-05-15Final Order Issued
• 2025-05-21Enforcement Action Data Entered
• 2025-05-29NPDES Closed
• 2025-05-29Enforcement Action Closed