Facility	City	Industry	Status	Distance
Nampa ASU	Nampa	Industrial Gas Manufacturing 325120	LIKELY ACTIVE	1.6 KM
OXARC LLC Nampa	Nampa	Industrial Gas Manufacturing 325120	LIKELY ACTIVE	3.7 KM
Synthepor LLC	Nampa	All Other Basic Organic Chemical Manufacturing 325199	LIKELY ACTIVE	5.0 KM
OXARC LLC Boise	Boise	Industrial Gas Manufacturing 325120	LIKELY ACTIVE	22.6 KM
Boise Fill Plant	Boise	Industrial Gas Manufacturing 325120	LIKELY ACTIVE	29.4 KM

Every listed plant in Canyon County

Also at this address

No other federal record shares this street address.

Where this record comes from

3 sources hold this plant, and 7 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 BR, EIS, ICIS, NCDB, NPDES, RCRAINFO, SSTS, TRIS, TSCA · EPA site type STATIONARY.

EPA ECHO compliance recordsOPERATING
first seen FEB 2025 · last seen FEB 2025
EPA Toxics Release InventoryOPERATING
first seen DEC 2023 · last seen DEC 2024
EPA Facility Registry ServiceEXISTENCE
Record 110000468663 · first seen NOV 2018 · last seen NOV 2018

IN CANYON COUNTY4 other plants share this one’s industry (Basic Chemical Manufacturing, NAICS 3251); 2 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: GREAT WESTERN CHEMICAL COMPANY - NAMPA · OCT 2026
Street address: EPA: 1717 E. FARGO · OCT 2026
City: EPA: NAMPA · OCT 2026
State: EPA: ID · OCT 2026
County (FIPS code): EPA: 16027 · OCT 2026
Coordinates: EPA: 43.601317,-116.549572 · OCT 2026
Hazardous waste generator (RCRA): EPA ECHO: VSQG · OCT 2026

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