Specialty Granules Ione LLC

1900 State Hwy 104, Ione, CA 95640

LIKELY ACTIVELAST SEEN IN FEDERAL DATA DEC 2024 · 3 SOURCES

Operating signal within 24 months, or from a single source.

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What they make

Ground or Treated Mineral and Earth Manufacturing327992

Where it is

38.36972, -120.99972 · CENSUS TIGER

COUNTY

Amador County

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Other plants nearby

Facility	City	Industry	Status	Distance
Rhi Refractories - Indian Hill	Ione	Clay Building Material and Refractories Manufacturing 327120	UNVERIFIED	2.6 KM
PS California Rancho Cordova 2925 Gold Pan Court	Rancho Cordova	Cut Stone and Stone Product Manufacturing 327991	LIKELY ACTIVE	34.4 KM
Silicon Crystals, INC.	Rancho Cordova	All Other Miscellaneous Nonmetallic Mineral Product Manufacturing 327999	UNVERIFIED	34.7 KM
U.s. Granite	Rancho Cordova	Cut Stone and Stone Product Manufacturing 327991	LIKELY ACTIVE	34.9 KM
Coronado Stone Products	Lodi	Cement Manufacturing 327310	LIKELY ACTIVE	36.6 KM

Every listed plant in Amador 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 HWTS-DATAMART, NPDES, RCRAINFO, TRIS · EPA site type STATIONARY.

EPA Toxics Release InventoryOPERATING
first seen DEC 2023 · last seen DEC 2024
EPA ECHO compliance recordsOPERATING
first seen FEB 2022 · last seen FEB 2022
EPA Facility Registry ServiceEXISTENCE
Record 110020517500 · first seen JUN 2017 · last seen JUN 2017

IN AMADOR COUNTY1 other plant shares this one’s industry (Other Nonmetallic Mineral Product Manufacturing, NAICS 3279); 0 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: SPECIALTY GRANULES IONE LLC · OCT 2026
Street address: EPA: 1900 STATE HWY 104 · OCT 2026
City: EPA: IONE · OCT 2026
State: EPA: CA · OCT 2026
County (FIPS code): EPA: 06005 · OCT 2026
Coordinates: EPA: 38.369722,-120.999722 · OCT 2026
Hazardous waste generator (RCRA): EPA ECHO: LQG · OCT 2026

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