Union Carbide Corp - St Charles Plant

6 penalty action(s) on recordTRI ReporterClean Air ActClean Water ActRCRA
Inspections7all-program
Penalty actions6
Total penalties$3.4Mlifetime
On-site releases406.2k lbTRI reported

Location

Address355 Hwy 3142
CityHahnville
CountySt. Charles County
StateLouisiana
ZIP70057
Coordinates29.98290, -90.44370
EPA Registry ID110018861793

Compliance by program

ProgramStatusQuarters NC (last 12)Penalties
Clean Air ActNo Violation Identified0$3.4M
Clean Water ActViolation Identified3$2.9k
RCRA Hazardous WasteNo Violation Identified0$0

TRI chemical releases

YearChemicalAirWaterLandTotal
2024Ethylene121.5k00121.5k
20241, 4-Dioxane61.9k25.7k087.6k
2024Ammonia45.4k31.6k077.0k
2024Propylene23.0k0023.0k
2024Formaldehyde13.9k4.6k018.5k
2024Acrylic acid3.7k9.4k013.1k
2024Methanol6.8k65707.5k
2024n-Hexane7.2k007.2k
2024Allyl alcohol5.3k1.9k07.2k
2024Ethylene oxide6.8k13106.9k
2024Acetaldehyde5.4k505.5k
2024Diethanolamine5.1k6305.1k
2024Nonylphenol4.1k1204.1k
2024Acrolein3.6k1303.6k
2024Ethylene glycol2.3k93203.3k
2024Methyl acrylate2.8k002.8k
2024Hydroquinone4471.9k02.4k
2024n-Butyl alcohol2.1k102.1k
2024Butyraldehyde1.5k001.5k
2024Hydrogen sulfide97500975
2024Ethylbenzene76000760
20241, 2, 4-Trimethylbenzene70100701
2024Toluene52400524
2024Benzene51700517
20241, 3-Butadiene50700507
2024N-Hydroxyethylethylenediamine1652660431
2024Naphthalene42900429
2024Formic acid03300330
2024Zinc compounds31400314
2024Xylene (mixed isomers)22500225

What this means

This facility has been subject to 6 penalty action(s) totaling $3.4M, but is not currently flagged as a significant violator. EPA inspects regulated facilities periodically and assesses penalties when violations are confirmed. Penalty history doesn't necessarily mean the facility is currently out of compliance.

EPA references

View detailed facility report at echo.epa.gov →