County page
Iberville County
Iberville County currently shows 0 Superfund sites, 123 imported facility profiles, and 9,368,582 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 Iberville County.
The latest loaded TRI year is 2024, with 9,368,582 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
The Dow Chemical Company - Louisiana Operations
Significant Violation across 12 of the last 12 quarters, with $3,130,000 in recorded penalties.
Westlake Chemicals & Vinyls Llc - Plaquemine Facility
Significant Violation across 12 of the last 12 quarters, with $49,602 in recorded penalties.
Shintech Plaquemine Plant
Significant Violation across 12 of the last 12 quarters, with $5,814 in recorded penalties.
Blue Cube Operations Llc
Significant noncompliance across 7 of the last 12 quarters, with $796,663 in recorded penalties.
Delta St. Gabriel
Significant Violation across 12 of the last 12 quarters, with $30,000 in recorded penalties.
Brenntag Southwest Inc
Significant noncompliance across 9 of the last 12 quarters, with $19,800 in recorded penalties.
Lbc Baton Rouge, Llc
Significant Violation across 12 of the last 12 quarters, with $166,121 in recorded penalties.
Syngenta Crop Protection, Llc. - St Gabriel Plant
Significant noncompliance across 4 of the last 12 quarters, with $4,500 in recorded penalties.
Plaquemine Point Shipyard
Significant Violation across 12 of the last 12 quarters, with $1,000 in recorded penalties.
Flopam Inc - Flopam Facility
No Violation Identified across 2 of the last 12 quarters, with $21,400 in recorded penalties.
Taminco Eastman Us - St Gabriel Plant
No Violation Identified with $73,500 in recorded penalties.
Tsrc Specialty Materials Llc - Research & Development Pilot Plant
No Violation Identified across 1 of the last 12 quarters, with $23,500 in recorded penalties.
Schwing 10 Production Barge
Significant Violation across 7 of the last 12 quarters, with $7,427 in recorded penalties.
Express Container Services of Iberville Llc - Express Container Services of Iber
Significant Violation across 12 of the last 12 quarters in the imported ECHO record.
Iberville Parish Utility Department - Choctaw Sanitary Wastewater Treatment Syst
Significant Violation across 12 of the last 12 quarters in the imported ECHO record.
Qualawash Holdings Llc - Geismar Facility
Significant Violation across 12 of the last 12 quarters in the imported ECHO record.
Harcros Chemicals Inc - St Gabriel Facility
Violation Identified across 6 of the last 12 quarters, with $2,000 in recorded penalties.
Town of Maringouin
Violation Identified across 12 of the last 12 quarters in the imported ECHO record.
Totalenergies Petrochemicals & Refining Usa, Inc. - Carville Polystyrene Plant
No Violation Identified with $48,109 in recorded penalties.
Enlink Processing Services Llc - Plaquemine Ngl Fractionation Plant
No Violation Identified across 2 of the last 12 quarters, with $3,300 in recorded penalties.
| Chemical | Group | Facilities | Total pounds |
|---|---|---|---|
| Ammonia | TRI-listed chemical | 8 | 5,262,667 lbs |
| Nitrate compounds (water dissociable; reportable only when in aqueous solution) | TRI-listed chemical | 4 | 1,718,788 lbs |
| Ethylene | TRI-listed chemical | 9 | 590,157 lbs |
| Cyclohexane | TRI-listed chemical | 4 | 365,468 lbs |
| Chlorodifluoromethane (HCFC-22) | TRI-listed chemical | 1 | 265,095 lbs |
| Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | TRI-listed chemical | 8 | 149,458 lbs |
| Toluene | Volatile organic compound | 8 | 148,011 lbs |
| Styrene | Volatile organic compound | 6 | 121,668 lbs |
| Methanol | TRI-listed chemical | 7 | 100,867 lbs |
| Chlorine | TRI-listed chemical | 6 | 79,389 lbs |
| Propylene | TRI-listed chemical | 5 | 70,164 lbs |
| Ethylene glycol | TRI-listed chemical | 9 | 55,619 lbs |
| n-Hexane | TRI-listed chemical | 4 | 49,687 lbs |
| Acrylic acid | TRI-listed chemical | 1 | 45,437 lbs |
| Asbestos (friable) | TRI-listed chemical | 3 | 43,757 lbs |
| Ethylbenzene | Volatile organic compound | 7 | 41,086 lbs |
| Benzene | Volatile organic compound | 7 | 35,542 lbs |
| Vinyl chloride | Chlorinated industrial chemical | 2 | 34,866 lbs |
| Atrazine | TRI-listed chemical | 1 | 21,324 lbs |
| 1, 2-Dichloroethane | TRI-listed chemical | 3 | 17,427 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.