Westlake Chemicals & Vinyls LLC

715 Hwy 25 South, Aberdeen, MS 39730

LIKELY ACTIVELAST SEEN IN FEDERAL DATA MAY 2026 · 3 SOURCES

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

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What they make

All Other Basic Organic Chemical Manufacturing325199

Where it is

33.81389, -88.55611 · CENSUS TIGER

COUNTY

Monroe County

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STREET VIEW

Open street-level view — OCT 2025

Other plants nearby

Facility	City	Industry	Status	Distance
Sterling Specialty Chemicals US LLC	Aberdeen	All Other Basic Organic Chemical Manufacturing 325199	LIKELY ACTIVE	1.7 KM
Tronox Llc, Hamilton Facility	Hamilton	Synthetic Dye and Pigment Manufacturing 325130	LIKELY ACTIVE	13.3 KM
Tronox LLC	Hamilton	Synthetic Dye and Pigment Manufacturing 325130	LIKELY ACTIVE	13.6 KM
Southern Ionics Incorporated	West Point	Other Basic Inorganic Chemical Manufacturing 325180	ACTIVE	25.1 KM
Kior INC	Columbus	Petrochemical Manufacturing 325110	UNVERIFIED	36.9 KM

Every listed plant in Monroe 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, BR, CEDRI, E-GGRT, EIS, EPS, ICIS, MS-ENSITE, NPDES, RCRAINFO, TRIS, TSCA · EPA site type STATIONARY.

EPA ECHO compliance recordsOPERATING
first seen MAY 2026 · last seen MAY 2026
EPA Toxics Release InventoryOPERATING
first seen DEC 2023 · last seen DEC 2024
EPA Facility Registry ServiceEXISTENCE
Record 110012665990 · first seen SEP 2002 · last seen SEP 2002

IN MONROE COUNTY4 other plants share this one’s industry (Basic Chemical Manufacturing, NAICS 3251); 1 of them has 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: WESTLAKE CHEMICALS & VINYLS LLC · OCT 2026
Street address: EPA: 715 HWY 25 SOUTH · OCT 2026
City: EPA: ABERDEEN · OCT 2026
State: EPA: MS · OCT 2026
County (FIPS code): EPA: 28095 · OCT 2026
Coordinates: EPA: 33.813889,-88.556114 · OCT 2026
Hazardous waste generator (RCRA): EPA ECHO: LQG · OCT 2026

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