East Palestine, Ohio Train Derailment: Cause, Health, and Settlements

The East Palestine, Ohio train derailment was a Norfolk Southern freight accident on the night of February 3, 2023, in which 38 rail cars left the tracks near the Pennsylvania border, 11 of them carrying hazardous materials, prompting a controversial controlled burn of vinyl chloride, a two-week evacuation, and years of cleanup, lawsuits, and federal safety fallout that are still playing out. More than three years later, the EPA cleanup is nearing completion, a $600 million class-action settlement is paying out, a separate $310 million federal consent decree is awaiting court approval, and long-term health research is just beginning.

What Happened on February 3, 2023

At about 8:55 p.m., a Norfolk Southern train hauling 149 cars derailed at milepost 49.5 on the company’s Fort Wayne Line, roughly a quarter-mile west of the Ohio-Pennsylvania state line.¹ Thirty-eight cars derailed. Eleven of them were tank cars carrying hazardous materials: vinyl chloride, butyl acrylate, ethylhexyl acrylate, ethylene glycol, and isobutylene.² Three tank cars were breached in the derailment itself, feeding a fire that spread to and damaged 12 more cars.

No one died, and no one was injured directly in the derailment. Norfolk Southern later reported 24 minor injuries from inhalation during the fire and cleanup: 18 civilians and 6 remediation contractors.¹ Ohio Governor Mike DeWine ordered a mandatory evacuation that stayed in place for about two weeks.

The Controlled Burn of Vinyl Chloride

Three days after the derailment, on February 6, the local incident commander ordered a “vent and burn” of five tank cars carrying vinyl chloride monomer. East Palestine fire chief Keith Drabick was given 13 minutes to approve the decision.³ The resulting black plume was visible for miles.⁴

When vinyl chloride burns, it decomposes into carbon monoxide, hydrogen chloride (which becomes hydrochloric acid on contact with water), and phosgene gas. The hydrogen chloride byproduct killed an estimated 3,500 fish in nearby waterways.⁴ Later precipitation analysis showed pollution from the plume reached 16 states, carried by winds after the extreme heat lofted contaminants into the upper atmosphere.⁵

In June 2024, the National Transportation Safety Board concluded that the burn was “unnecessary.” Norfolk Southern and its contractors had told the incident commander the tank cars were at imminent risk of a polymerization-induced explosion. The NTSB found that claim unsupported. The tank car manufacturer, OxyVinyl, had inspected the cars and found the explosion risk low and the cars cooling, but Norfolk Southern did not relay OxyVinyl’s assessment to the fire chief.⁶⁴ NTSB Chair Jennifer Homendy called Norfolk Southern’s conduct during the investigation “unprecedented” and “reprehensible.”³

What Caused the Derailment

The NTSB identified a defective wheel bearing on the 23rd railcar, a hopper car, as the probable cause. The bearing overheated, the axle separated, and the train derailed. The post-derailment fire likely began when a Class 3 flammable liquid spilled from a punctured DOT-111 tank car.⁷

The train had passed a wayside hot bearing detector that flagged elevated temperature on the failing bearing, but the system issued only a low-priority alert. The NTSB found that these detectors are constrained by design and often give “misleadingly low” readings. The spacing between detectors on Norfolk Southern’s network, combined with the company’s operating procedures, prevented the crew from receiving adequate warning to stop in time.⁷

Several other factors worsened the outcome. Older DOT-111 tank cars still in hazardous materials service have a lower survival rate in derailments than modern designs, which contributed to the severity of the chemical release.⁸ Norfolk Southern delayed transmitting the train consist, the manifest showing what each car was carrying, to emergency responders, and the hazmat placards on the cars burned away in the fire. Ohio’s training requirements for volunteer firefighters were also found insufficient for a chemical emergency of this scale.⁷

The NTSB issued 34 safety recommendations, directed at the Federal Railroad Administration, PHMSA, Norfolk Southern, the State of Ohio, industry associations, and emergency response organizations. These included new rules on wayside detector spacing and alert thresholds, an accelerated phaseout of DOT-111 tank cars, hazmat placards capable of surviving fires, immediate transmission of train consists to first responders, and stronger training for Ohio volunteer firefighters.⁷

Health Effects on Residents and Responders

In the weeks after the derailment, residents reported headaches, respiratory irritation, skin and eye irritation, and anxiety.⁹ The CDC’s Agency for Toxic Substances and Disease Registry, working with Ohio and Pennsylvania health departments, surveyed 701 people between February 21 and March 31, 2023. In that group, 86% reported exposure to hazardous substances, 92% reported at least one new or worsening physical symptom, and 70% reported at least one new or worsening mental health symptom. Forty-four percent reported unmet needs, most often for clean water, followed by medical and mental health care. The survey findings supported the opening of a permanent health clinic in the village.¹⁰

A separate study of 114 Pennsylvania first responders found that firefighters and those involved in fire suppression were more likely to report vapor and gas contact, which was associated with higher rates of multiple health symptoms.¹¹ Blood sampling of 18 East Palestine residents showed dioxin levels consistent with those expected in the general U.S. population.¹²

For longer-term answers, the National Institutes of Health committed $10 million over five years to the East Palestine Train Derailment Health Research Program. The consortium includes the University of Kentucky, the University of Pittsburgh, Yale, Ohio State, Case Western Reserve, Texas A&M, and UC San Diego. It is tracking long-term health outcomes, biological markers of risk, and effects on DNA and organ function.¹³⁹ Results are years away.

Cleanup and Water Quality Today

EPA personnel have been on-site since the night of the derailment. The agency says the cleanup is nearing completion, though long-term monitoring continues.²

The village’s municipal drinking water has shown no detection of contaminants linked to the derailment under independent monthly testing by the Ohio EPA, and a new filtration system was installed at the village water plant in June 2024.¹⁴ Vinyl chloride has not been detected in the municipal supply or any water supply wells.¹⁵ Residents on private wells are advised to arrange independent testing; municipal results do not apply to private systems.

Surface water has improved substantially. Butyl acrylate in Sulphur Run fell from a post-derailment peak of 154,000 parts per billion to a final detection of 1.1 ppb on April 8, 2023. After more than 4,200 samples, the monitoring program shifted in June 2024 to long-term monthly sampling of Sulphur Run and Leslie Run. Monitoring of the North Fork Little Beaver Creek, Little Beaver Creek, and the Ohio River was discontinued after consistently safe readings. Biological monitoring in 2023 indicated Leslie Run had recovered to pre-derailment conditions.¹⁴

The cleanup picked up a serious complication in late 2025. The EPA identified discrepancies in groundwater sampling data for the chemical 2-butoxyethanol and found that analysts at ALS Houston, a subcontractor to the prime cleanup contractor Tetra Tech, had been altering measurements. Independent testing at the EPA’s PHILIS laboratory confirmed no 2-butoxyethanol was actually present.¹⁶ In February 2026, Tetra Tech notified the EPA that ALS Houston had altered measurements and the subcontractor terminated two analysts. The EPA rejected all ALS Houston data, referred the matter to its Office of Inspector General, issued a cure notice to Tetra Tech, and said none of the falsified data was used in any health, safety, cleanup, or enforcement decisions.¹⁷

Lawsuits, Settlements, and Payments

The $600 Million Class-Action Settlement

Norfolk Southern reached a $600 million class-action settlement with residents and businesses within 20 miles of the derailment site.¹⁸ The case, In re East Palestine Train Derailment (Case No. 4:23-cv-00242), is in the U.S. District Court for the Northern District of Ohio before Judge Benita Y. Pearson. Final approval came on September 27, 2024. An appeal reached the U.S. Supreme Court, which denied the final petition for certiorari on March 2, 2026, clearing the way for payments.¹⁹ The class covers roughly 55,000 members.

Settlement administrator Epiq mailed personal injury award payments on March 31, 2026. Direct household payments are anticipated by the end of June 2026, and business loss claims are expected later in 2026.²⁰ Covered categories include property damage, displacement expenses, lost wages, business income loss, diminution of property value, emotional distress, and increased risk of disease. Class members within 10 miles of the derailment who signed additional personal injury releases may receive more. Some class members have voiced frustration over smaller-than-expected payments.¹⁸ The class action is separate from the federal consent decree, which includes a medical monitoring program not part of this settlement.¹⁹

The $310 Million Federal Consent Decree

The United States sued Norfolk Southern in March 2023 for unlawful discharges under the Clean Water Act. In May 2024, the Justice Department and the EPA announced a settlement valued at more than $310 million.²¹ The deal requires Norfolk Southern to pay roughly $235 million for past and future cleanup, $25 million for a 20-year community health program, $15 million for 10 years of groundwater and surface water monitoring, $15 million for private drinking water well monitoring, about $6 million to remediate Leslie Run and Sulphur Run, a $15 million Clean Water Act civil penalty, and $175,000 for natural resource damages.²² As of May 2026, the proposed consent decree is still pending before the court; the DOJ asked the judge to finalize it in October 2024.²³

Ohio’s Separate Lawsuit

On March 14, 2023, Ohio Attorney General Dave Yost filed a 58-count civil lawsuit against Norfolk Southern, alleging violations of CERCLA, Ohio hazardous waste and water pollution statutes, and common law negligence, public nuisance, and trespass. The complaint asserted that more than one million gallons of hazardous chemicals were released into local waterways.²⁴ Ohio is not a party to the federal consent decree and is negotiating its own separate settlement or proceeding toward trial, with the possibility of seeking different and additional relief.²⁵

Property Values and Total Cost

A December 2025 study in the Journal of Sustainable Real Estate found that residential property values in the area covered by Norfolk Southern’s Value Assurance Program dropped about 14% compared to control communities, with estimates ranging from 12.8% to 15.8%. Affected homes also stayed on the market roughly 25% longer than comparable properties elsewhere. The study analyzed more than 3,000 sales from 2018 to 2024.²⁶ Norfolk Southern’s Value Assurance Program offered to reimburse homeowners for lost value, but participants had to waive the right to sue the company for further property-related damages.²⁷

Norfolk Southern estimates total costs tied to the derailment, covering cleanup, settlements, and rail safety improvements, will exceed $1 billion, including about $780 million in environmental response costs already incurred and an estimated $200 million or more in rail safety enhancements.²⁸

What’s Changed on the Rails

Norfolk Southern has installed 187 additional hot bearing detectors, cutting average detector spacing on its core network to about 12 miles. The company also quadrupled its acoustic bearing detectors, deployed digital train inspection portals using machine vision, partnered with RapidSOS to give first responders real-time access to train consists, and became the first Class I railroad to join the FRA’s Confidential Close Call Reporting System. Norfolk Southern reported a 38% drop in its mainline accident rate in the year ending June 2024.²⁹

Federal action has moved more slowly. The Railway Safety Act was introduced in the 118th Congress as S. 576 but stalled without a floor vote. As of May 2026, the legislation has been folded into the BUILD America 250 Act (H.R. 8870), which advanced from the House Transportation and Infrastructure Committee on May 22, 2026, with bipartisan support. Committee leadership aims to send the bill to the President before the current surface transportation authorization expires on September 30, 2026.³⁰ The bill is endorsed by President Trump and rail worker unions.³¹ No rail safety legislation has been enacted since the derailment.

The DOT-111 phaseout is on a timeline set by Congress in the FAST Act and is not within the executive branch’s power to accelerate. Under the current schedule, DOT-111 cars must be replaced with modern DOT-117 models by May 1, 2025, for the most dangerous Packing Group I flammable liquids, and by May 1, 2029, for Packing Group II and III materials, with possible extensions to 2027 and 2031 if shop capacity is insufficient.³² PHMSA and the FRA issued a safety advisory urging owners to retire the older cars “as soon as practicable” but acknowledged they lack authority to override the congressional deadlines.³³

1
Federal Railroad Administration. Accident Investigation Summary Report HQ-2023-1813
2
U.S. Environmental Protection Agency. East Palestine, OH Train Derailment
3
Chemical & Engineering News. Decision to Vent and Burn Was Unnecessary, National Transportation Safety Board Says
4
Pennsylvania Capital-Star. NTSB: Norfolk Southern Controlled Burn of Toxic Chemicals in East Palestine Derailment Unnecessary
5
The Guardian. East Palestine Toxic Derailment Chemicals Spread
6
National Transportation Safety Board. NTSB News Release NR20240625
7
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8
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9
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10
Journal of Occupational and Environmental Medicine. Community Assessment of Chemical Exposures After a Train Derailment in East Palestine, Ohio, and Darlington Township, Pennsylvania
11
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12
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13
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14
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15
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16
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17
Morning Journal News. EPA Says Analysts Altered Measurements in EP Train Derailment Sampling
18
Ideastream. Concerns Linger Over East Palestine Train Derailment Settlement
19
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21
U.S. Department of Justice. United States Reaches Over $310 Million Settlement With Norfolk Southern
22
Ohio Capital Journal. More Than $310M Settlement Reached With Norfolk Southern After East Palestine Train Derailment
23
U.S. Environmental Protection Agency. Settlement Update
24
Ohio Attorney General. AG Dave Yost Sues Norfolk Southern
25
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26
Journal of Sustainable Real Estate. East Palestine Property Value Study
27
Spectrum News 1. East Palestine Housing Market
28
U.S. Department of Justice. United States Reaches Over $310 Million Settlement With Norfolk Southern to Address Harms
29
Norfolk Southern. Norfolk Southern Safety Enhancements Align With NTSB East Palestine Final Recommendations
30
House Committee on Transportation and Infrastructure. BUILD America 250 Act
31
Office of Congressman Chris Deluzio. Three Years After East Palestine Train Derailment, House Committee Advances Railway Safety Act
32
Federal Register. Hazardous Materials: FAST Act Requirements for Flammable Liquids and Rail Tank Cars
33
PHMSA. Safety Advisory Notice for Legacy DOT-111 and CPC-1232 Tank Cars