Facility	City	Industry	Status	Distance
Tst INC	Fontana	Alumina Refining and Primary Aluminum Production 331313	ACTIVE	8.1 KM
Sierra Aluminum - NAPA	Fontana	Other Aluminum Rolling, Drawing, and Extruding 331318	LIKELY ACTIVE	8.4 KM
Sierra Aluminum- Finishing	Fontana	Alumina Refining and Primary Aluminum Production 331313	LIKELY ACTIVE	8.4 KM
Sierra Aluminum - Union	Fontana	Other Aluminum Rolling, Drawing, and Extruding 331318	LIKELY ACTIVE	8.4 KM
Sierra Aluminum Company	Fontana	Alumina Refining and Primary Aluminum Production 331313	LIKELY ACTIVE	8.4 KM

Every listed plant in San Bernardino County

Also at this address

No other federal record shares this street address.

Where this record comes from

2 sources hold this plant, and 6 fields on this page come from them. Each line is one agency’s own record of it: the identifier it is filed under, whether that record shows the plant operating or only that it exists, and when the register first and last saw it there.

EPA cross-references this facility in CA-ENVIROVIEW, NPDES, OSHA-OIS · EPA site type STATIONARY.

EPA Facility Registry ServiceEXISTENCE
Record 110070095627 · first seen APR 2020 · last seen APR 2020
EPA ECHO compliance recordsOPERATING
first seen MAY 2018 · last seen MAY 2018

IN SAN BERNARDINO COUNTY15 other plants share this one’s industry (Alumina and Aluminum Production and Processing, NAICS 3313); 7 of them have a size band on record.

What each source says

Every field below, as each source filed it. The value this page shows is marked; where the sources disagree, the field says so. Status is computed from independent sources; nothing here is self-reported unless marked Claimed.

Name: EPA: ADVANCED PATTERN AND MOLD · OCT 2026
Street address: EPA: 1720 S BALBOA AVENUE · OCT 2026
City: EPA: ONTARIO · OCT 2026
State: EPA: CA · OCT 2026
County (FIPS code): EPA: 06071 · OCT 2026
Coordinates: EPA: 34.04258,-117.60937 · OCT 2026

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