County page
St John The Baptist County
St John The Baptist County currently shows 0 Superfund sites, 39 imported facility profiles, and 920,512 lbs in loaded TRI releases.
Overview
What this county page is saying
This live county page is generated from the ingested EPA datasets. It merges ECHO facility compliance rows, TRI release totals, and any Superfund sites attached to St John The Baptist County.
The latest loaded TRI year is 2024, with 920,512 lbs in county-level on-site releases tied to the imported facility set.
Focus points
Design and product notes
County pages combine facility compliance history with chemical release totals.
TRI chemistry shows what is being reported, while ECHO shows who keeps drawing enforcement attention.
Superfund records add legacy cleanup context even when live contaminant detail is still sparse.
Superfund layer
Cleanup sites in this county
Facilities
Worst polluters and compliance pressure
Evonik Stockhausen Llc
Violation across 12 of the last 12 quarters, with $282,740 in recorded penalties.
Denka Performance Elastomer Llc
Significant Violation across 10 of the last 12 quarters in the imported ECHO record.
Marathon Petroleum Company Lp - Louisiana Refining Division - Garyville Refinery
Significant Violation across 7 of the last 12 quarters in the imported ECHO record.
Arcelormittal Laplace Steel Mill
Significant noncompliance across 4 of the last 12 quarters, with $4,500 in recorded penalties.
Cooper Consolidated Llc
Violation across 4 of the last 12 quarters, with $5,000 in recorded penalties.
St John the Baptist Parish- Reserve Wwtp
Violation Identified across 9 of the last 12 quarters in the imported ECHO record.
Laplace Car Wash Llc-pelican Pointe Carwash
Significant noncompliance across 7 of the last 12 quarters in the imported ECHO record.
Home Depot #0378
No Violation Identified with $285,363 in recorded penalties.
Woodland Treatment Plant
Significant noncompliance across 6 of the last 12 quarters in the imported ECHO record.
Entergy Louisiana Llc- Reserve Service Center
Violation Identified across 6 of the last 12 quarters in the imported ECHO record.
Speedy Car Wash
No Violation Identified across 3 of the last 12 quarters, with $350 in recorded penalties.
Mt. Airy Terminal
No Violation Identified with $10,287 in recorded penalties.
Cargill Inc - Terre Haute Marine Facility
No Violation Identified across 1 of the last 12 quarters, with $1,500 in recorded penalties.
Boing Us Holdco, Inc - Take 5 Express Carwash
Significant noncompliance across 4 of the last 12 quarters in the imported ECHO record.
Gene's Bar
Violation Identified across 4 of the last 12 quarters in the imported ECHO record.
Clariant Corporation - Reserve
No Violation Identified. Last recorded ECHO inspection: 2025-10-28.
Pinnacle Polymers Llc - Administrative Building
Violation Identified across 3 of the last 12 quarters in the imported ECHO record.
Evonik Corp - Reserve Plant
No Violation Identified. Last recorded ECHO inspection: 2020-12-15.
Dpc Enterprises Lp - Dpce-reserve
No Violation Identified. Last recorded ECHO inspection: 2010-03-04.
La Machinery Co Llc
Significant Violation across 3 of the last 12 quarters in the imported ECHO record.
| Chemical | Group | Facilities | Total pounds |
|---|---|---|---|
| Nitrate compounds (water dissociable; reportable only when in aqueous solution) | TRI-listed chemical | 1 | 320,197 lbs |
| Hydrogen cyanide | TRI-listed chemical | 1 | 159,621 lbs |
| Ammonia | TRI-listed chemical | 1 | 79,457 lbs |
| Hydrogen sulfide | TRI-listed chemical | 1 | 56,092 lbs |
| Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | TRI-listed chemical | 1 | 55,815 lbs |
| Toluene | Volatile organic compound | 3 | 38,240 lbs |
| Cyclohexane | TRI-listed chemical | 1 | 30,573 lbs |
| n-Hexane | TRI-listed chemical | 1 | 28,262 lbs |
| Chloroprene | TRI-listed chemical | 1 | 27,155 lbs |
| Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | TRI-listed chemical | 2 | 23,861 lbs |
| Xylene (mixed isomers) | Volatile organic compound | 3 | 22,430 lbs |
| Benzene | Volatile organic compound | 1 | 14,435 lbs |
| Propylene | TRI-listed chemical | 1 | 8,595 lbs |
| 1, 4-Dichloro-2-butene | TRI-listed chemical | 1 | 8,316 lbs |
| Ethylene | TRI-listed chemical | 1 | 7,149 lbs |
| 1, 2, 4-Trimethylbenzene | Volatile organic compound | 2 | 5,849 lbs |
| Acrylic acid | TRI-listed chemical | 1 | 5,021 lbs |
| Ethylbenzene | Volatile organic compound | 2 | 4,713 lbs |
| Carbon disulfide | TRI-listed chemical | 1 | 2,805 lbs |
| Methanol | TRI-listed chemical | 2 | 2,608 lbs |
Violation pages
State-level violation context tied to this county
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Clean Air Act violations in Louisiana
Louisiana facilities in the imported ECHO data show air-program oversight, inspections, or noncompliance signals.
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Clean Water Act violations in Louisiana
Louisiana facilities in the imported ECHO data show water-permit pressure, inspections, or noncompliance signals.
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RCRA violations in Louisiana
Louisiana facilities in the imported ECHO data show hazardous-waste or RCRA oversight signals.