Environmental compliance · county

Environmental compliance in Iberville Parish

391 active EPA-regulated sites in Iberville Parish, Louisiana: 40 with an identified violation, 25 in significant violation, 166 inspections and $2.6 million in penalties over five years — EPA ECHO, as of October 18, 2026.

Cite: FACTANKER, https://factanker.com/us/la/iberville-parish/environmental-compliance

How many facilities in Iberville Parish, Louisiana are regulated by the EPA, and how many are in violation (as of October 18, 2026)?

Measure	Value
Active EPA-regulated sites	391
Sites with an identified violation	40
Sites in significant violation	25
Inspections and evaluations, last 5 years	166
Formal enforcement actions, last 5 years	87
Penalties, last 5 years (shared federal cases once)	$2.6 million

How many active facilities in Iberville Parish, Louisiana fall under each EPA program?

A facility can be in several programs.

Program	Active sites
Air (Clean Air Act)	120
Water discharge permits (Clean Water Act, NPDES)	159
Hazardous waste (RCRA)	200
Drinking water systems (SDWA)	11
Toxics Release Inventory reporters	23
Greenhouse gas reporters (GHGRP)	12

Which large facilities in Iberville Parish, Louisiana does the EPA track, and are they in violation?

Facility	Compliance status	Quarters in violation (of 12)	Penalties, 5 years
LBC BATON ROUGE, LLC Sunshine, LA	Significant Violation	12	$166,121
SHINTECH PLAQUEMINE PLANT Plaquemine, LA	Significant Violation	12	$488,705
THE DOW CHEMICAL CO - LOUISIANA OPERATIONS Plaquemine, LA	Significant Violation	12	$1.1 million
WESTLAKE CHEMICALS & VINYLS LLC - PLAQUEMINE FACILITY Plaquemine, LA	Significant Violation	12	–
TSRC SPECIALTY MATERIALS LLC - RESEARCH & DEVELOPMENT PILOT PLANT Plaquemine, LA	Significant Violation	2	$23,500
WILLOW GLEN TERMINAL LLC St. Gabriel, LA	No Violation Identified	8	–
BLUE CUBE OPERATIONS LLC - PLAQUEMINE SITE Plaquemine, LA	No Violation Identified	5	$12,650
CLEAN HARBORS WHITE CASTLE, LLC- WHITE CASTLE LANDFARM White Castle, LA	Violation Identified	5	$19,079
SYNGENTA CROP PROTECTION, LLC. - ST GABRIEL PLANT Saint Gabriel, LA	Violation Identified	4	$400,601
D.R. HORTON INC - GULF COAST: VIRAGE WWTP Saint Gabriel, LA	Unknown	3	–
TEXAS EASTERN TRANSMISSION LP - WHITE CASTLE COMPRESSOR STATION White Castle, LA	No Violation Identified	3	$8,500
FLOPAM INC - FLOPAM FACILITY Plaquemine, LA	No Violation Identified	2	$21,400
PLAQUEMINE, CITY OF- SOUTH WASTEWATER TREATMENT FACILITY Plaquemine, LA	No Violation Identified	2	–
PLAQUEMINE GAS PROCESSING PLANT Plaquemine, LA	No Violation Identified	2	$3,300
TOTALENERGIES PETROCHEMICALS & REFINING USA INC - COS-MAR STYRENE MONOMER PLANT Carville, LA	Violation Identified	2	–
MAGNOLIA POWER LLC - MAGNOLIA POWER GENERATING STATION Plaquemine, LA	No Violation Identified	1	–
CARVILLE ENERGY LLC - CARVILLE ENERGY CENTER St. Gabriel, LA	No Violation Identified	0	–
CORA-TEXAS MANUFACTURING COMPANY LLC - WHITE CASTLE FACILITY White Castle, LA	No Violation Identified	0	$9,000
INEOS OXIDE - A DIVISION OF INEOS AMERICAS LLC Plaquemine, LA	No Violation Identified	0	$22,000
LEPA PLAQUEMINE POWER PLT Plaquemine, LA	No Violation Identified	0	$9,000
NUTRITION & BIOSCIENCES USA 1 LLC - PLAQUEMINE METHOCEL Plaquemine, LA	No Violation Identified	0	$8,000
PLAQUEMINE, TOWN OF (NORTH PLA Plaquemine, LA	No Violation Identified	0	–
SE TYLOSE USA INC. AND ITS AFFILIATES Plaquemine, LA	No Violation Identified	0	–
SOUTHERN NATURAL GAS COMPANY LLC - WHITE CASTLE COMPRESSOR STATION White Castle, LA	No Violation Identified	0	–
TAMINCO EASTMAN US - ST GABRIEL PLANT Saint Gabriel, LA	No Violation Identified	0	$64,000
TOTALENERGIES PETROCHEMICALS & REFINING USA, INC. - CARVILLE POLYSTYRENE PLANT Carville, LA	No Violation Identified	0	$48,109
VOPAK INDUSTRIAL INFRASTRUCTURE AMERICAS PLAQUEMINE LLC - VIIA TERMINAL PLAQUEMI Plaquemine, LA	No Violation Identified	0	–
WESTLAKE CHEMICALS & VINYLS LLC - PLAQUEMINE FACILITY Plaquemine, LA	No Violation Identified	0	–

All figures for Iberville Parish · Louisiana · United States

EPA Enforcement and Compliance History Online (ECHO), weekly national export. Counts cover active sites in the Facility Registry Service; inspections, formal actions and penalties cover the last five years, quarters in violation the last three years. The EPA attributes a case that covers several facilities to each of them; area penalty totals here count an amount shared through the same federal case once, facility figures show the amount attributed to that facility. Large facilities are Clean Air Act majors, Clean Water Act majors and large hazardous waste generators or handlers. Source record.

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