Clean Air Act stationary source · ICIS-AIR LA0000002204700031

TAMINCO US LLC - ST GABRIEL PLANT, St. Gabriel, LA: Clean Air Act compliance record, inspections, violations, penalties

OperatingOperating status
Major sourceEmissions classification
No Violation IdentifiedCurrent violation status, as filed
8Compliance evaluations since January 1, 2017
0High-priority violations since January 1, 2017
4Formal enforcement actions since January 1, 2017

TAMINCO US LLC - ST GABRIEL PLANT, at 3790 LA HWY 30, St. Gabriel in Iberville County, Louisiana, is an operating major source of air pollution on EPA’s ICIS-AIR register. EPA’s file records its current violation status (ICIS-AIR’s high-priority violation field) as “No Violation Identified”. Iberville County is on EPA’s Green Book list of areas that do not meet a national air quality standard. The status and classification are as EPA’s facility file stood when Velarion loaded it (September 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the source’s current standing, quarter by quarter.

Identity

Facility as filed	TAMINCO US LLC - ST GABRIEL PLANT
ICIS-AIR ID	LA0000002204700031
EPA facility registry ID	110056972432
Operating status	Operating
Emissions classification	Major source
Current violation status (ICIS-AIR high-priority violation field)	No Violation Identified
Address	3790 LA HWY 30, St. Gabriel, LA 70776
County	Iberville County
In a nonattainment county	Yes (EPA Green Book)
Industry (NAICS)	Chemical manufacturing (NAICS 3251)
SIC code	2869
EPA region	06

Cited to the EPA ICIS-AIR facility file (ECHO download).

Programs and pollutants

Velarion’s copy of EPA’s ICIS-AIR download does not include its program, pollutant and Title V certification files, so this page does not list the Clean Air Act programs TAMINCO US LLC - ST GABRIEL PLANT is under or the pollutants it is permitted for. The programs each evaluation and violation below was recorded under are shown with it. EPA’s free Detailed Facility Report lists both.

Compliance evaluations

8Evaluations since January 1, 2017
4Full compliance evaluations

Date	What EPA recorded	Agency	Programs
October 21, 2025	FCE On-Site	State	MACT Standards (40 CFR Part 63); New Source Performance Standards; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits
December 9, 2021	FCE On-Site	State	MACT Standards (40 CFR Part 63); New Source Performance Standards; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits
May 7, 2021	PCE Off-Site	U.S. EPA	Prevention of Accidental Release/General Duty Clause; Risk Management Program
March 10, 2021	PCE Off-Site	U.S. EPA	Risk Management Program
May 7, 2020	PCE Off-Site	U.S. EPA	Prevention of Accidental Release/General Duty Clause; Risk Management Program
June 3, 2019	FCE On-Site	State	MACT Standards (40 CFR Part 63); New Source Performance Standards; State or Local rule or regulation that is not federally-enforceable; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits
September 7, 2018	PCE Off-Site	U.S. EPA	Hazardous Air Pollutants
June 19, 2017	FCE On-Site	State	MACT Standards (40 CFR Part 63); New Source Performance Standards; State or Local rule or regulation that is not federally-enforceable; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits

Violations

0Violation determinations since January 1, 2017
0Of them high-priority

A high-priority violation (HPV) is the most serious class of Clean Air Act non-compliance an agency records; a federally reportable violation (FRV) is the next step down. Each row is one determination as EPA’s violation history files it.

EPA’s violation history file holds no violation for ICIS-AIR LA0000002204700031 since January 1, 2017.

Enforcement and penalties

4 formal enforcement actions since January 1, 2017, 3 of them with a penalty filed above zero. Each penalty is shown as EPA’s formal action file states it; “Not stated” means the file gives no figure, and $0 is a disclosed zero.

Date	What EPA recorded	Agency	Penalty, as filed
June 21, 2023	Administrative Order	State	$64,000
June 23, 2021	Administrative Order	State	$9,500
November 5, 2020	CAA 113D1 Action For Penalty	U.S. EPA	$35,461
December 11, 2018	Administrative Order	State	$0

Informal enforcement

Date	What EPA recorded	Agency
February 13, 2026	Warning Letter	State
July 30, 2024	Notice of Violation	State
April 28, 2022	Warning Letter	State
August 23, 2021	Notice of Violation	State
May 19, 2021	Warning Letter	State
March 22, 2021	Other Response - No Further Action	U.S. EPA
May 14, 2020	Warning Letter	State
December 10, 2019	Warning Letter	State
July 6, 2018	Warning Letter	State
June 22, 2018	Warning Letter	State
June 19, 2018	Warning Letter	State

Stack tests

0Stack tests since January 1, 2017
0Recorded as failed

EPA’s stack test file holds no test at ICIS-AIR LA0000002204700031 since January 1, 2017.

Cited to the EPA ICIS-AIR evaluation, violation, stack test and enforcement files (ECHO download), events dated January 1, 2017 or later as loaded; up to 50 rows of each shown, newest first.

Watch this source

One source, $99/month. A source: the register entry for a plant, refinery, kiln, generating station, or other fixed installation the agency tracks under the Clean Air Act. Choose “One source” and enter this source’s ICIS-AIR ID, LA0000002204700031.

Start the watch

How we handle your data → Privacy

EPA publishes a free Detailed Facility Report for every source on ECHO: its compliance status quarter by quarter, its evaluations, and its violations, enforcement actions and penalties. EPA also sends free notices of new inspections and enforcement actions through ECHO Notify; enter EPA facility registry ID 110056972432 there.

Nearby on the register

Figures from EPA’s ICIS-AIR download, loaded September 14, 2026.

This page covers the Clean Air Act compliance record for TAMINCO US LLC - ST GABRIEL PLANT, an operating major source, showing 8 compliance evaluations since January 1, 2017, 0 high-priority violations since January 1, 2017, and 4 formal enforcement actions since January 1, 2017. The current violation status is listed as No Violation Identified, and Iberville County is on EPA's Green Book list of areas that do not meet a national air quality standard. The status and classification reflect EPA's facility file as of September 14, 2026.