# ALCOA MASSENA OPERATIONS - WEST PLANT, MASSENA NY: EPA ECHO compliance status: Violation Identified

**Remediation Urgency Score:** 63/100

| Field | Value |
|---|---|
| Facility | ALCOA MASSENA OPERATIONS - WEST PLANT |
| EPA Registry ID | 110000582735 |
| Address | 45 CO RTE 42, MASSENA, NY, 13662 |
| County | ST LAWRENCE |
| Industry (NAICS) | 331312: Primary Aluminum Production, 331319: Other Aluminum Rolling and Drawing, 331524: Aluminum Foundries (except Die-Casting) |
| SIC | 3334: Primary Aluminum, 3353: Aluminum Sheet, Plate, And Foil, 3354: Aluminum Extruded Products, 3355: Aluminum Rolling And Drawing, 3361: Legacy Docket Conv |
| Overall compliance status | Violation Identified |
| Significant noncomplier | No |
| Quarters in noncompliance (last 12) | 12 |
| Clean Water Act | Violation Identified |
| Clean Air Act | No Violation Identified |
| RCRA | No Violation Identified |
| Formal enforcement actions (5 years) | 1 |
| Total penalties | $25,000 |
| Last penalty | 01/15/2025 |
| Inspections (5 years) | 10 |
| Last inspection | 2026-08-18 |
| Watershed | Grass |

## Why this score
- 12 of the last 12 quarters in noncompliance.
- Current violation under CWA.
- 1 formal enforcement action(s) in 5 years.
- $25,000 in penalties.
- Inspected within the last year (2026-08-18).

Source: U.S. EPA ECHO (Enforcement and Compliance History Online) (https://echo.epa.gov/detailed-facility-report?fid=110000582735). 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.