# ARCONIC US LLC, LANCASTER PA: EPA ECHO compliance status: Significant Violation

**Remediation Urgency Score:** 88/100

| Field | Value |
|---|---|
| Facility | ARCONIC US LLC |
| EPA Registry ID | 110000334200 |
| Address | 1480 MANHEIM PIKE, LANCASTER, PA, 17601 |
| County | LANCASTER |
| Industry (NAICS) | 331318: Other Aluminum Rolling, Drawing, and Extruding |
| SIC | 3353: Aluminum Sheet, Plate, And Foil, 3355: Aluminum Rolling And Drawing, 3479: Metal Coating And Allied Services, 4959: Sanitary Services |
| Overall compliance status | Significant Violation |
| Significant noncomplier | Yes |
| Quarters in noncompliance (last 12) | 12 |
| Clean Water Act | No Violation Identified |
| Clean Air Act | Violation Unaddressed; State Has Lead Enforcement |
| RCRA | No Violation Identified |
| Formal enforcement actions (5 years) | 2 |
| Total penalties | $110,000 |
| Last penalty | 08/31/2004 |
| Inspections (5 years) | 10 |
| Last inspection | 2025-09-18 |
| Watershed | Lower Susquehanna |

## Why this score
- Flagged as a significant noncomplier, the highest EPA priority tier.
- 12 of the last 12 quarters in noncompliance.
- Current violation under CAA.
- 2 formal enforcement action(s) in 5 years.
- $110,000 in penalties: remediation has a clear cost of inaction.

Source: U.S. EPA ECHO (Enforcement and Compliance History Online) (https://echo.epa.gov/detailed-facility-report?fid=110000334200). Last refreshed: 2026-11-03T18:05:36.266Z.
Compliance data comes from EPA ECHO and may lag state records; a violation flag is not a finding of wrongdoing. Informational only; not legal or engineering advice.