Ontario Ranch

What they make

Where it is

Location not verified — this address could not be matched to Census TIGER, so the facility is not placed on the map.

Other plants nearby

No other listed facility within 40 km shares this one’s four-digit industry code, or this record has no coordinates to measure from.

Also at this address

No other federal record shares this street address.

Where this record comes from

1 source holds 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 RCRAINFO · EPA site type STATIONARY.

• EPA Facility Registry ServiceEXISTENCE
  Record 110071333855 · first seen OCT 2022 · last seen OCT 2022

IN RIVERSIDE COUNTY36 other plants share this one’s industry (Agriculture, Construction, and Mining Machinery Manufacturing, NAICS 3331); 8 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: ONTARIO RANCH · OCT 2026

Street address

EPA: 4000 S. HAMNER AVE · OCT 2026

City

EPA: ONTARIO · OCT 2026

State

EPA: CA · OCT 2026

County (FIPS code)

EPA: 06065 · OCT 2026

Hazardous waste generator (RCRA)

EPA ECHO: none · OCT 2026