Alcoa Massena Operations - West Plant
45 Co Rte 42, Massena, NY 13662, St Lawrence County
A manufacturing facility in Massena, New York, listed in EPA records under other aluminum rolling, drawing, and extruding (NAICS 331318) and also alumina refining and primary aluminum production and secondary smelting and alloying of aluminum. It is one of 3,802 active manufacturing facilities in EPA records in New York.
- Industry
- Primary metals
- NAICS 331
- TRI reporter
- Yes
- Inspections, 5 yr
- 10
- EPA registry ID
- 110000582735
- Revised
- November 1, 2026
What's made here
- Other Aluminum Rolling, Drawing, and Extruding (NAICS 331318)
- Alumina Refining and Primary Aluminum Production (NAICS 331313)
- Secondary Smelting and Alloying of Aluminum (NAICS 331314)
- Aluminum Foundries (except Die-Casting) (NAICS 331524)
Public EPA records
| Toxics Release Inventory | Reports to the TRI (facility ID 13662LMNMCPARKA). |
|---|---|
| Clean Air Act | Listed as a major source of air emissions. |
| Clean Water Act | A major water discharge permit (NPDES). |
| Hazardous waste (RCRA) | Listed as a large quantity generator of hazardous waste (1,000 kg or more a month). |
| Greenhouse gas reporting | Reports to the Greenhouse Gas Reporting Program. |
| Inspections | 10 in the last five years; most recent August 18, 2026. |
EPA ECHO, November 1, 2026; not a rating. EPA report ยท About these records