Facility	City	Industry	Status	Distance
Arconic US LLC	Massena	Other Aluminum Rolling, Drawing, and Extruding 331318	UNVERIFIED	0.0 KM
Alcoa USA CORP	Massena	Alumina and Aluminum Production and Processing 331312	ACTIVE	1.8 KM
Alcoa USA CORP.	Massena	Alumina Refining and Primary Aluminum Production 331313	LIKELY ACTIVE	3.0 KM
Reynolds Metal CO LLC	Massena	Alumina and Aluminum Production and Processing 331312	LIKELY ACTIVE	11.3 KM

Every listed plant in St. Lawrence County

Also at this address

No other federal record shares this street address.

WHERE THIS RECORD COMES FROM — 2 FEDERAL SOURCES, 6 FIELDS

Every fact on this page traces to a public federal filing. The table below names which register holds this facility, whether that register proves the plant operates or only that it exists, and when each of them last saw it.

EPA cross-references this facility in AIR, AIRS/AFS, BR, CEDRI, E-GGRT, EIS, FIS, ICIS, NCDB, NPDES, OSHA-OIS, RCRAINFO, TRIS, TSCA · EPA site type STATIONARY.

Source	Evidence	First seen	Last seen
EPA FRS	EXISTENCE	APR 2026	APR 2026
EPA ECHO	OPERATING	MAR 2026	MAR 2026

FIELD BY FIELD — WHICH SOURCE SUPPLIED WHAT

FIELD	SOURCE	SIGNAL
ADDRESS LINE1	EPA FRS	JUL 2026
CITY	EPA FRS	JUL 2026
GEOM	EPA FRS	JUL 2026
NAME	EPA FRS	JUL 2026
RCRA GENERATOR STATUS	EPA ECHO	SEP 2026
STATE	EPA FRS	JUL 2026

Status is computed from independent sources; nothing here is self-reported unless marked Claimed.

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