Environmental Settlements in Lake Charles: Citgo, Sasol, and Westlake Cases

Industrial facilities in and around Lake Charles, Louisiana have paid tens of millions of dollars in environmental settlements over the past two decades, with federal and state regulators resolving cases tied to oil spills, air emissions, flaring, drinking water failures, and chemical accidents. The largest single resolution — Citgo’s $19.69 million payment for the 2006 Calcasieu River oil spill — sits alongside multimillion-dollar Clean Air Act consent decrees against Westlake Chemical and Sasol, and a long list of smaller state penalties against petrochemical and LNG operators. Taken together, the environmental settlements in Lake Charles tell a story of frequent noncompliance and routine, often modest, financial penalties.

Citgo’s $19.69 Million Oil Spill Settlement

The largest environmental settlement connected to Lake Charles grew out of a June 18, 2006 discharge at the Citgo Petroleum refinery in Westlake. The release sent millions of gallons of waste oil and industrial wastewater into Indian Marais, the Calcasieu River, and the broader Calcasieu Estuary, contaminating about 150 linear miles of shoreline habitat.

The federal case took fifteen years to close. In August 2021, the Department of Justice finalized a consent decree requiring Citgo to pay $19.69 million to resolve natural resource damage claims under the Oil Pollution Act and the Louisiana Oil Spill Prevention and Response Act. About $19.16 million went to federal and state trustees for habitat restoration, and roughly $528,000 reimbursed government assessment costs.¹²

The 2006 spill was not Citgo’s only penalty in the area. In 2013, the company agreed to a $737,000 civil penalty and pollution reduction projects after the EPA alleged the Lake Charles refinery produced fuel exceeding emission limits for mobile source air toxics, including benzene.³ In early 2026, Citgo finalized a $160,000 settlement with the Louisiana Department of Environmental Quality (LDEQ) covering more than 200 alleged air emissions violations between 2017 and 2021. Those included a 2018 release of 662 pounds of benzene during a barge transfer and a 23-hour crude oil leak from a corroded storage tank that released hundreds of thousands of pounds of volatile organic compounds.⁴

Sasol Chemicals: $1.4 Million Clean Air Act Penalty

Sasol Chemicals operates a large chemical complex in Westlake. In April 2024, the EPA finalized a settlement requiring Sasol to pay $1,441,712 in civil penalties for alleged violations of the Clean Air Act’s chemical accident prevention provisions. The case drew on findings from an EPA compliance evaluation conducted between January and July 2021, together with an October 15, 2022 fire caused by equipment failure that burned nearly 17,600 pounds of triethyl aluminum. The fire forced the Westlake Police Department to close Houston River Road and issue a shelter-in-place order for surrounding neighborhoods.³⁵

Beyond the penalty, the settlement required Sasol to improve process hazard analysis, strengthen mechanical integrity inspections, resolve overdue compliance audit findings, upgrade hazard detection systems, and develop safe work practices for pressure testing. Sasol stated publicly that it disagreed with the EPA’s interpretation of the law but entered the agreement voluntarily to close the case.³ A separate LDEQ settlement in early 2026 added $95,000 for air quality violations.⁶

The Mossville Buyout

Sasol’s footprint in the Lake Charles area also includes the acquisition of Mossville, a community founded around 1790 by formerly enslaved African Americans and one of the earliest free Black settlements in the pre–Civil War South. By December 2012, when Sasol announced its ethylene cracker and gas-to-liquid expansion, at least 14 industrial facilities had already encroached on Mossville’s boundaries.⁷

In July 2013, Sasol launched a Voluntary Property Purchase Program covering Mossville (roughly 90 percent Black) and the neighboring community of Brentwood (roughly 90 percent white). The program used a fixed formula that did not allow price negotiation. A University Network for Human Rights investigation later found that property transaction amounts in Mossville averaged about 82 percent lower than amounts paid to owners outside the buyout zone and about 88 percent lower than amounts paid in Brentwood. The report called the program “racially discriminatory.”⁷ A Guardian investigation confirmed the disparity, reporting that white homeowners were often allowed to negotiate while Mossville residents were not, and that buyout offers were frequently reduced by debts, liens, fees, and past federal hurricane relief grants. Sasol received nearly $3 billion in industrial property tax exemptions and over $100 million in state grants for the project, which was largely abandoned after oil prices dropped. A 1998 CDC investigation had already found dioxin levels in Mossville residents’ blood at three times the national average.⁸

Westlake Chemical: Federal Consent Decree and $825,000 Follow-On Penalty

Westlake Chemical Corporation and its subsidiaries operate multiple petrochemical facilities around Lake Charles and have been pursued at both federal and state levels. In June 2022, the EPA and the Department of Justice announced a settlement with five Westlake subsidiaries covering Clean Air Act violations at two Lake Charles facilities and one in Kentucky. The companies were alleged to have improperly operated and monitored industrial flares, producing excess emissions of volatile organic compounds and hazardous air pollutants, including benzene.

The consent decree required an estimated $110 million in pollution control upgrades, a $1 million civil penalty, flare gas recovery systems across eight flares, and fence-line benzene monitoring with publicly available results. The EPA projected the measures would cut VOC emissions by 2,258 tons per year, toxic air pollutants by 65 tons per year, and greenhouse gas emissions by over 50,733 tons per year.⁹

In September 2024, Westlake Chemical and Vinyls LLC agreed to pay an $825,000 civil penalty to resolve alleged Clean Air Act violations identified during a 2018 EPA investigation. The agency found that between February 2016 and February 2018, the company reported 107 unanticipated releases from pressure relief devices but failed to monitor them within the legally required five-day window. The facility’s 2011 startup and shutdown plan was also found to be inadequate. The case was part of EPA enforcement work launched after Administrator Michael Regan’s 2021 “Journey to Justice” tour of Louisiana.¹⁰¹¹

State-level penalties followed. In early 2026, the LDEQ finalized a $55,000 settlement with Westlake Polymers LLC and a $26,000 settlement with Westlake Petrochemicals LLC for additional air quality violations.¹²⁶

Venture Global Calcasieu Pass: $245,000 for Chronic Flaring

Venture Global’s Calcasieu Pass LNG facility, south of Lake Charles, has been one of the region’s most prolific sources of air quality violations since it began operating in early 2022. The company admitted to over 2,000 permit violations in the facility’s first year. A revised monitoring report for the second half of 2022 showed the plant was out of compliance for 286 of its 343 days of operation, or 83 percent of the time.¹³

The permit allows 60 hours of flaring per year. The actual record vastly exceeded that limit. Residents documented flaring on 84 of 90 days in early 2022. In the first half of 2023, the Louisiana Bucket Brigade documented visible flaring on 71 separate days; combined with Venture Global’s own filings, the total rose to 115 of 181 days. In April 2024, residents recorded over 95 consecutive hours of flaring.¹³¹⁴

In June 2023, the LDEQ issued a consolidated compliance order citing 139 volatile organic compound infractions and 47 hazardous air pollutant emission incidents that exceeded permitted levels during 2022. Venture Global attributed the violations to design flaws in its modular construction, specifically that heated flue gas was misdirected onto heater instruments, causing equipment to overheat and trip.¹⁵ The enforcement action ultimately resulted in a $245,000 state settlement finalized in early 2026.⁶

CertainTeed: $365,500 Drinking Water Settlement and Later Air Fines

CertainTeed Corporation operated a PVC resin and vinyl siding plant in Westlake for more than 40 years before closing it in January 2019. In August 2018, the EPA and DOJ announced a $365,500 settlement — at the time the largest Safe Drinking Water Act penalty by a public water system in Louisiana — over the facility’s failure to provide safe drinking water to its employees and visitors. A Louisiana Department of Health sanitary survey had identified significant deficiencies, including the lack of an approved water source and the failure to monitor for contaminants. CertainTeed took more than four years to address the problems despite letters from state regulators, a joint state-federal inspection, and an EPA administrative order.¹⁶¹⁷

After the plant closed, a separate proposed settlement emerged under Governor Jeff Landry’s administration involving more than $500,000 in fines for older alleged air and other environmental violations that occurred during the plant’s operational years. That amount was the largest pollution fine under Landry’s tenure as of the reporting date.¹⁸

Hurricane Laura and the BioLab Chemical Fire

Hurricane Laura, a Category 4 storm that struck Lake Charles on August 27, 2020, produced one of the region’s most consequential chemical incidents. Winds damaged roofs at a Bio-Lab chlorine manufacturing plant in Westlake, letting rainwater reach more than 450 metric tons of stored trichloroisocyanuric acid. The resulting chemical reaction triggered a fire and released a plume of toxic chlorine gas, forcing a shelter-in-place order and closing a stretch of Interstate 10 for over 28 hours.¹⁹²⁰

No injuries were reported. The U.S. Chemical Safety Board’s 2023 investigation found that the facility had been grandfathered under older building codes, its roofs were not built to current wind design standards, and a 2010 internal review recommending an evaluation of the warehouse roof for hurricane conditions had never been implemented. The facility’s fire protection system was largely nonfunctional during the event, contributing to a five-and-a-half-hour response delay. TCCA, the chemical involved, falls outside both the OSHA Process Safety Management standard and the EPA’s Risk Management Program because neither regulation’s chemical list explicitly includes it — a gap the CSB flagged as a systemic vulnerability. Bio-Lab invested approximately $250 million to redesign and rebuild the facility, resuming production around March 2023.¹⁹

LNG Permit Litigation

Not every environmental dispute in the Lake Charles area has produced a settlement. Several high-profile cases involving LNG export projects have ended in court rulings rather than negotiated payments. In September 2023, the Fifth Circuit rejected a Sierra Club and Healthy Gulf challenge to the Army Corps of Engineers’ dredge-and-fill permit for the proposed $25 billion Driftwood LNG terminal, calling the groups’ objections “wholly meritless” and upholding a compensatory mitigation plan covering 319 acres of impacted wetlands.²¹ In April 2024, the same court rejected a Sierra Club challenge to LDEQ air permits for Commonwealth LNG, finding the agency had “satisfied its public trustee duty.”²²

Energy Transfer’s Lake Charles LNG project followed a different path. After the DOE extended its export commencement deadline to December 31, 2031 — a decision environmental groups unsuccessfully sought to overturn — Energy Transfer officially suspended development on December 18, 2025, citing better returns from its pipeline business.²³²⁴

Recent LDEQ Settlements With Area Facilities

Beyond the headline federal cases, LDEQ records for 2025 and 2026 show a steady stream of smaller penalties paid by Lake Charles–area companies for air and water quality violations:

Equistar Chemicals, LP: $90,090 for air quality violations, finalized October 2025.¹²
Rain CII Carbon: $35,000 for air quality violations plus $5,500 for solid waste violations, finalized January 2026 and April 2025.¹²
Indorama Ventures Olefins, LLC: two settlements totaling roughly $48,663 for air quality and multimedia violations.¹²
TSRC Specialty Materials LLC: $23,500 for air quality violations, finalized January 2026.¹²
Lake Charles LNG Company, LLC: $20,000 for air and water quality violations (settlement SA-MM-22-0077).¹²
Knight Energy Services LLC: $22,100 for water regulation violations, 2026.⁶

Critics of the state’s enforcement approach note that these penalties represent a fraction of the revenue generated by the companies paying them, and that the LDEQ’s regulatory structure does not account for the cumulative pollution burden of multiple facilities operating in close proximity. A scientific assessment of LDEQ data in the Sulphur area, just outside Lake Charles, identified Sasol, Entergy, Westlake Chemical, and Louisiana Pigment Company as top contributors to particulate matter, nitrogen oxide, and sulfur dioxide emissions, and found that Louisiana regulations focus on mass emission rates rather than cumulative concentration — meaning individual plants can increase permitted pollution regardless of what neighboring facilities already emit.²⁵

1
NOAA. Citgo Refinery Calcasieu River
2
Federal Register. Notice of Lodging of Proposed Consent Decree Under the Oil Pollution Act
3
American Press. EPA $1.4M Settlement With Sasol Chemicals for Alleged Chemical Accident Prevention
4
American Press. Citgo Agrees to Fines to End Alleged Violations
5
NOLA.com. Westlake Sasol to Pay $1.4M for 2022 Fire, Rule Violations
6
Louisiana DEQ. Settlement Agreements 2026
7
University Network for Human Rights. Mossville Environmental Racism
8
The Guardian. This Community’s Black Families Lost Their Ancestral Homes. Their White Neighbors Got Richer
9
EPA. Westlake Chemical Corporation Subsidiaries Agree to Reduce Harmful Air Pollution
10
American Press. Westlake Chemical Plant Fined
11
KPLC. Lake Charles Facility Fined $825,000 by EPA for Clean Air Act Violations
12
Louisiana DEQ. Settlement Agreements 2025
13
Louisiana Bucket Brigade. Venture Global Problems Timeline
14
Gas Outlook. Chronic Air Pollution at Calcasieu Pass LNG on U.S. Gulf
15
IEEFA. Calcasieu Pass LNG Unreliable Operations, Excessive Pollution and Profits
16
WaterTech Online. EPA, Justice Department Reach $365,000 Settlement With CertainTeed for Drinking Water Violations
17
EPA. EPA and Justice Department Reach $365,000 Settlement With CertainTeed
18
The Advocate. CertainTeed Louisiana Pollution Settlement
19
U.S. Chemical Safety Board. BioLab Investigation Report
20
Washington Post. Hurricane Laura Chemicals Pollution
21
U.S. Court of Appeals for the Fifth Circuit. Healthy Gulf; Sierra Club v. U.S. Army Corps of Engineers
22
E&E News. 5th Circuit Nixes Lawsuit Over LNG Terminal Air Permits
23
U.S. Department of Energy. Order Denying Request for Rehearing, Lake Charles LNG Export
24
U.S. Energy Information Administration. Lake Charles LNG Project Status
25
Thriving Earth Exchange. Sulphur, LA Project