Velarion Records
The Pay Desk is the free weekly executive pay briefing — one company at a time, every number traceable to a public filing.
You’ll confirm on The Pay Desk’s sign-up page.

Clean Air Act stationary source · ICIS-AIR LA0000002201900107

INDORAMA VENTURES OLEFINS LLC - WESTLAKE ETHYLENE PLANT, Westlake, LA: Clean Air Act compliance record, inspections, violations, penalties

INDORAMA VENTURES OLEFINS LLC - WESTLAKE ETHYLENE PLANT, at 4300 HWY 108, Westlake in Calcasieu 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”. Calcasieu 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 filedINDORAMA VENTURES OLEFINS LLC - WESTLAKE ETHYLENE PLANT
ICIS-AIR IDLA0000002201900107
EPA facility registry ID110071723490
Operating statusOperating
Emissions classificationMajor source
Current violation status (ICIS-AIR high-priority violation field)No Violation Identified
Address4300 HWY 108, Westlake, LA 70669
CountyCalcasieu County
In a nonattainment countyYes (EPA Green Book)
Industry (NAICS)Chemical manufacturing (NAICS 3251)
SIC code2869
EPA region06

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 INDORAMA VENTURES OLEFINS LLC - WESTLAKE ETHYLENE 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

DateWhat EPA recordedAgencyPrograms
March 12, 2024FCE On-SiteStateMACT Standards (40 CFR Part 63); National Emission Standards for Hazardous Air Pollutants (40 CFR Part 61); New Source Performance Standards; Prevention of Significant Deterioration of Air Quality; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits
August 5, 2022PCE On-SiteU.S. EPAMACT Standards (40 CFR Part 63); National Emission Standards for Hazardous Air Pollutants (40 CFR Part 61); New Source Performance Standards; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits
May 17, 2022PCE On-SiteU.S. EPAMACT Standards (40 CFR Part 63); National Emission Standards for Hazardous Air Pollutants (40 CFR Part 61); New Source Performance Standards; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits
October 15, 2021PCE Off-SiteU.S. EPAState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits
July 9, 2020FCE On-SiteStateMACT Standards (40 CFR Part 63); National Emission Standards for Hazardous Air Pollutants (40 CFR Part 61); New Source Performance Standards; State or Local rule or regulation that is not federally-enforceable; Prevention of Significant Deterioration of Air Quality; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits
November 25, 2019PCE On-Site Monitoring/SamplingStateState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
March 21, 2019PCE Off-SiteStateMACT Standards (40 CFR Part 63); New Source Performance Standards; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
June 18, 2018FCE On-SiteStateMACT Standards (40 CFR Part 63); National Emission Standards for Hazardous Air Pollutants (40 CFR Part 61); New Source Performance Standards; Prevention of Significant Deterioration of Air Quality; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits

Violations

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.

DateWhat EPA recordedAgencyPrograms
July 10, 2019HPV day-zero determinationStatePrevention of Significant Deterioration of Air Quality

Enforcement and penalties

10 formal enforcement actions since January 1, 2017, 2 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.

DateWhat EPA recordedAgencyPenalty, as filed
May 12, 2026Administrative OrderState$147,646
January 15, 2026Administrative OrderState$0
July 7, 2025Administrative OrderState$0
May 28, 2025Administrative OrderState$33,800
February 11, 2025Administrative OrderState$0
June 27, 2023CAA 113A Admin Compliance Order (Non-Penalty)U.S. EPA$0
June 7, 2023Administrative OrderState$0
October 24, 2019Administrative OrderState$0
October 24, 2019Administrative OrderState$0
June 3, 2019Administrative OrderState$0

Informal enforcement

DateWhat EPA recordedAgency
September 22, 2025Notice of ViolationU.S. EPA
March 24, 2025Notice of ViolationState
May 23, 2023Warning LetterState
May 15, 2023Warning LetterState
August 10, 2022Warning LetterState
July 15, 2022Warning LetterState
June 10, 2022Warning LetterState
May 27, 2022Warning LetterState
April 27, 2022Warning LetterState
March 29, 2022Warning LetterState
June 8, 2021Warning LetterState
August 11, 2020Warning LetterState
October 11, 2019Warning LetterState
August 26, 2019Warning LetterState
July 2, 2019Warning LetterState
November 9, 2018Warning LetterState
July 11, 2018Warning LetterState

Stack tests

DateWhat EPA recordedAgency
November 13, 2024PassState
November 12, 2024PassState
July 28, 2022PassState
April 1, 2022PassState
March 31, 2022PassState
March 29, 2022PassState
December 8, 2021PassState

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, LA0000002201900107.

Start the watch

How often?
  • One source — $99/month
  • One county — $2,990/year
  • One state — $4,990/year
  • The whole register — $18,000/year

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 110071723490 there.

Nearby on the register

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