Union Carbide CORP - St Charles Plant
355 Hwy 3142, Gate 1, Hahnville, LA 70057
Operating signal within 24 months, or from a single source.
What they make
Petrochemical Manufacturing325110Where it is
Other plants nearby
| Facility | City | Industry | Status | Distance |
|---|---|---|---|---|
| Air Liquide Large Industries US LP - Taft Asu | Hahnville | Industrial Gas Manufacturing 325120 | UNVERIFIED | 0.4 KM |
| Galata Chemicals, LLC | Hahnville | Other Basic Inorganic Chemical Manufacturing 325180 | LIKELY ACTIVE | 1.1 KM |
| Taft Acetylene Plant | Hahnville | Industrial Gas Manufacturing 325120 | LIKELY ACTIVE | 1.1 KM |
| Air Liquide | Hahnville | Industrial Gas Manufacturing 325120 | LIKELY ACTIVE | 1.2 KM |
| Air Products & Chemicals INC - Taft I Hy | Taft | Industrial Gas Manufacturing 325120 | LIKELY ACTIVE | 1.2 KM |
Also at this address
1 other record shares this street address. Separate filings can describe distinct businesses on one site, or the same plant recorded by different agencies, so every record is kept rather than merged away.
WHERE THIS RECORD COMES FROM — 3 FEDERAL SOURCES, 6 FIELDS
Every fact on this page traces to a public federal filing. The table below names which register holds this facility, whether that register proves the plant operates or only that it exists, and when each of them last saw it.
EPA cross-references this facility in AIR, AIRS/AFS, CEDRI, E-GGRT, EIS, ICIS, LA-TEMPO, NCDB, NPDES, RCRAINFO, TRIS, TSCA · EPA site type STATIONARY.
| Source | Evidence | First seen | Last seen |
|---|---|---|---|
| EPA ECHO | OPERATING | MAR 2026 | MAR 2026 |
| EPA FRS | EXISTENCE | MAY 2025 | MAY 2025 |
| EPA TRI | OPERATING | DEC 2023 | DEC 2023 |
FIELD BY FIELD — WHICH SOURCE SUPPLIED WHAT
| FIELD | SOURCE | SIGNAL |
|---|---|---|
| ADDRESS LINE1 | EPA FRS | JUL 2026 |
| CITY | EPA FRS | JUL 2026 |
| GEOM | EPA FRS | JUL 2026 |
| NAME | EPA FRS | JUL 2026 |
| RCRA GENERATOR STATUS | EPA ECHO | SEP 2026 |
| STATE | EPA FRS | JUL 2026 |
Status is computed from independent sources; nothing here is self-reported unless marked Claimed.