Solvay USA INC

100 Mococo Rd, Martinez, CA 94553

LIKELY ACTIVELAST SEEN IN FEDERAL DATA DEC 2025 · 3 SOURCES

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

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What they make

Other Basic Inorganic Chemical Manufacturing325180

Where it is

38.03472, -122.11278 · CENSUS TIGER

COUNTY

Contra Costa County

METRO AREA

San Francisco-Oakland-Fremont, CA

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Other plants nearby

Facility	City	Industry	Status	Distance
Eco-Services, Martinez Plant	Martinez	Other Basic Inorganic Chemical Manufacturing 325180	LIKELY ACTIVE	0.3 KM
Shell Martinez Catalyst Plant	Martinez	Petroleum Refineries 324110	LIKELY ACTIVE	1.0 KM
Air Products West Coast Hydrogen - Hp-2	Martinez	Industrial Gas Manufacturing 325120	LIKELY ACTIVE	1.7 KM
Martinez Refining	Martinez	Petroleum Refineries 324110	ACTIVE	2.0 KM
Air Products West Coast Hydrogen - Hp-1	Martinez	Industrial Gas Manufacturing 325120	LIKELY ACTIVE	2.3 KM

Every listed plant in Contra Costa 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 AIR, AIRS/AFS, CA-CERS, CA-ENVIROVIEW, DTSC-ENVIROSTOR, EGRID, EIA-860, HWTS-DATAMART, ICIS, NCDB, RCRAINFO, TRIS, TSCA · EPA site type STATIONARY.

EPA ECHO compliance recordsOPERATING
first seen DEC 2025 · last seen DEC 2025
EPA Toxics Release InventoryOPERATING
first seen DEC 2023 · last seen DEC 2024
EPA Facility Registry ServiceEXISTENCE
Record 110000483263 · first seen JUN 2017 · last seen JUN 2017

IN CONTRA COSTA COUNTY44 other plants share this one’s industry (Basic Chemical Manufacturing, NAICS 3251); 9 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: SOLVAY USA INC · OCT 2026
Street address: EPA: 100 MOCOCO RD · OCT 2026
City: EPA: MARTINEZ · OCT 2026
State: EPA: CA · OCT 2026
County (FIPS code): EPA: 06013 · OCT 2026
Coordinates: EPA: 38.034722,-122.112778 · OCT 2026
Hazardous waste generator (RCRA): EPA ECHO: LQG · OCT 2026

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