Dacthal Pesticide Lawsuits Exposing Decades of Neglect and Harm

Published:

March 18, 2025

  • Corporate Lawsuits
Decthal Pestidcide Affecting Pregnant Women Across America

After decades of use, Dacthal pesticide has been banned by the EPA for severe health risks. Learn how lawsuits are holding manufacturers accountable and helping victims seek justice for their suffering.

In a startling development, the Environmental Protection Agency (EPA) recently issued an emergency order banning all use of the pesticide Dacthal (dimethyl tetrachloroterephthalate) or DCPA due to severe health risks. 

This unprecedented action is the first of its kind in 40 years and underscores the seriousness of the danger posed by the widely used herbicide. 

Recent Dacthal pesticide lawsuits aim to hold AMVAC Chemical Corporation accountable and protect those most vulnerable to its harmful effects - farmers, pregnant women, and children.

 

What is Dacthal and How is it Used?

Dacthal is the brand name for the herbicide dimethyl tetrachloroterephthalate or DCPA. Since its introduction in 1958, it has been widely used across the United States to control weeds in several settings.

  • Vegetable crops - commonly applied to broccoli, cabbage, onions, and other vegetables to prevent weed growth.
  • Turfgrass - lawn care companies and golf courses use Dacthal to maintain weed-free grass.
  • Ornamental plants - used in nurseries and landscaping to protect ornamental plants.

AMVAC Chemical Corporation is the sole manufacturer of Dactha. Despite its widespread use covering more than six decades, the full extent of the health risks associated with Dacthal is only now coming to light.

 

Health Risks of Dacthal Exposure

The EPA banned Dacthal after thorough risk assessments revealed significant health concerns despite consumers following the recommended safety precautions.

The most alarming risks occur in unborn children of expectant mothers exposed to DCPA. This harmful chemical can disrupt fetal thyroid hormone levels, leading to a range of severe and potentially irreversible developmental issues.

  • Low birth weight
  • Impaired brain development
  • Decreased IQ
  • Impaired motor skills

In addition to these pregnancy risks, scientists have linked Dacthal exposure to cancer and thyroid problems in both children and adults. Healthcare officials are still uncovering the full extent of the harm caused by Dacthal pesticides.

 

Timeline of EPA Actions on Dacthal

The path to the EPA's ban on Dacthal has been a long one, marked by delayed action and insufficient response from the manufacturer:

  • 2013: The EPA requested that AMVAC submit studies on the health effects of Dacthal.
  • 2016: AMVAC failed to provide adequate studies by the deadline.
  • 2022: The EPA issued a notice of intent to suspend Dacthal.
  • 2023: The EPA released a risk assessment detailing the dangers to fetal development.
  • August 2024: The EPA issued an emergency order banning all use of Dacthal.

This ban is the first time in 40 years that the Agency has taken such decisive action against a pesticide, highlighting the severity that Dacthal risks pose.

 

Who is Most At Risk?

While Dacthal is a threat to anyone exposed, some populations are at significantly higher risk:

  • Farmworkers: Those working in fields and orchards where Dacthal is applied are at the greatest risk, especially if they work with crops like broccoli, cabbage, or onions. 
  • Pesticide applicators: Individuals responsible for mixing and applying Dacthal face heightened exposure.
  • Pregnant women: Pregnant women who live close to farms or golf courses using Dacthal pesticide may experience exposure levels 4-20 times higher than what's considered safe for developing babies.​​​​​​​​​​​​​​​​

Exposure can occur through direct pesticide handling, spray drifting from application sites, or contact with treated fields.

Concerningly, Dacthal residue can persist in crops and soil for 25 days or more after application.

 

 

Dacthal Class Action Lawsuits

In the wake of the EPA's ban and the revelation of the serious health risks, individuals are filing lawsuits against AMVAC Chemical Corporation for its failure to warn about the dangers posed by Dacthal. 

These lawsuits focus primarily on pregnant women who were exposed to the pesticide and subsequently had children born with congenital disabilities, developmental delays, or other health issues.

Through class action litigation, affected individuals and families can now seek compensation for their harm, including medical expenses, lost wages, pain and suffering, and more.

 

What to Do If In Contact with Dacthal During Pregnancy

If you suspect that you were exposed to Dacthal while pregnant, either through your occupation or by living near areas where the herbicide was used, you must take action to protect your health and your legal rights:

  1. Stop any further exposure: Move away from Dacthal-infected communities to prevent additional harm to yourself and your unborn child.
  2. Talk to your healthcare provider: Speak with your doctor about any symptoms or concerns regarding your pregnancy and your child's development. They can help monitor your health and provide guidance on necessary tests or treatments.
  3. Gather documentation: Collect any medical records, employment records, or other documentation that can help establish your exposure to Dacthal and any resulting health issues. You will need this evidence to support your legal claims.
  4. Contact an attorney: Reach out to OnlyClassActions and learn more about your legal options.

Remember, you may be entitled to significant compensation for the damages you and your family have suffered due to Dacthal exposure – the sooner you understand your rights, the better you can protect them.

 

Why Join the Dacthal Class Action

Becoming a Dacthal class action plaintiff is a powerful way to hold AMVAC Chemical Corporation accountable for the harm caused by their dangerous pesticide.

You can unite with other affected individuals and families and send a clear message that prioritizing profits over people's health is unacceptable. 

Participating in the lawsuit helps you seek the compensation you deserve for medical expenses, lost wages, pain, and suffering and ensures that the public knows about the problem.

Joining the class action will also give you access to legal representation and resources that may not be available when filing an individual claim. 

There is strength in numbers – by standing together, victims of Dacthal exposure can protect future generations from the devastating effects of this harmful pesticide.

 

Final Thoughts

The EPA's ban on Dacthal and the mounting lawsuits against its manufacturer is a wake-up call about the severe risks posed when using pesticides in food and near highly populated communities.

By shedding light on the long-term consequences of Dacthal exposure and demanding accountability, this class action has the potential to drive meaningful change in the way companies apply pesticides and the United States regulates them.​​​​​​​​​​​​​​​​

Frequently Asked Questions

Dacthal, also known as DCPA or dimethyl tetrachloroterephthalate, was an herbicide widely used in agriculture and landscaping. In August 2024, the EPA banned all use of Dacthal due to severe health risks, particularly to unborn children when pregnant women are exposed.

Exposure to Dacthal during pregnancy can disrupt fetal thyroid hormone levels, leading to developmental issues such as low birth weight, impaired brain development, decreased IQ, and impaired motor skills. Some of these effects may be irreversible.

Farmworkers, pesticide applicators, and pregnant women living near areas where Dacthal is used are at the highest risk of exposure. Exposure can occur through direct handling, spray drift, or contact with treated fields, and Dacthal residue can persist for 25 days or more after application.

The Dacthal pesticide lawsuit seeks to hold AMVAC Chemical Corporation accountable for the severe health risks posed by DCPA, particularly in pregnant women and their unborn children.

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