Pesticide-Contaminated Foods: The Dirty Dozen You Want To Avoid

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You need to know which fruits and vegetables are worth buying organic and which conventionally grown foods may expose you to the highest levels of pesticide residues. The goal of this piece isn’t to create fear around healthy foods or to stop you from eating some of your favorite fruits and veggies. Instead, it’s to help you make smarter choices and reduce unnecessary chemical exposure when and where you can.

While I always recommend choosing organic whenever possible, I know real life isn’t always that simple. Organic produce can cost more, some stores have limited options, and sometimes you’re shopping based on convenience, budget, or what’s available in your area.

The good news is that you don’t need to buy everything organic to significantly reduce your exposure. Knowing which foods tend to carry the heaviest pesticide burden can help you prioritize where your dollars matter most.

The vast majority of conventional crops in the United States are treated with pesticides designed to control insects, weeds, mold, and other threats to crop production. According to the latest research, pesticide residues continue to be detected on a large percentage of conventionally grown produce.

The 2026 findings from the Environmental Working Group (EWG) also raised concerns about PFAS-related pesticides. These are compounds associated with so-called “forever chemicals” because they can persist in the environment for long periods of time. Rather than focusing on a single exposure, many researchers are increasingly paying attention to cumulative exposure from food, water, and everyday products.

That’s why the EWG continues to publish its annual Dirty Dozen and Clean Fifteen lists, These help consumers like you identify which fruits and vegetables tend to have the highest and lowest pesticide residues.

In this updated guide, we’ll cover the latest 2026 Dirty Dozen findings, what changed this year, and how to make practical choices that help lower your toxic burden without making healthy eating complicated.

In this article, you’ll learn:

  • The detrimental health dangers of pesticides
  • The key findings of the EWG report 
  • The dangers of PFAS
  • Which foods are most heavily contaminated with these dangerous chemicals (the Dirty Dozen)
  • The Clean Fifteen items that contain the lowest amount of pesticides

The Health Dangers Of Pesticides 

Pesticides present a wide range of potential concerns depending on the type of chemicals used and how you’re exposed to them. Some of the most well-researched dangers of pesticides include[1][2]:

  • Endocrine disruption (disruption of hormonal systems, infertility, impaired thyroid function and hypothyroidism)
  • Nervous system dysfunction (impaired growth and development and brain function)
  • Gastrointestinal disturbances (bloating, pain, nausea)
  • Respiratory difficulties
  • Carcinogenic effects
  • Irritation of the skin
  • Irritation of the eyes
  • Accelerated aging

With the overwhelming percentage of crops sprayed with pesticides in the US, it’s vital that you stay informed as a consumer about which crops to avoid and which are safe. 

What Changed in the 2026 Report?

The EWG reports not only look at the number of pesticides on each crop, but also on the varying types. This matters because research shows that when a crop is sprayed with more than one type of pesticide, it can have an exponentially worse effect[4]. 

Most people think pesticide exposure is just about residue sitting on the surface of fruits and vegetables. But the 2026 EWG Shopper’s Guide identified a growing concern: PFAS-based pesticides. These are chemicals related to the “forever chemicals” that can persist in the environment and the body.

As a reader of Myers Detox. you are aware of the dangers of PFAS when it comes to things like nonstick cookware, but their inclusion on the EWG’s Dirty Dozen list is alarming. Researchers found widespread pesticide residues on conventionally grown produce, with PFAS-related compounds appearing across many samples. (9)

2026 EWG Key Findings:

  • About 75% of conventionally grown produce samples contained pesticide residues. (10)
  • 96% of Dirty Dozen samples tested positive for pesticides. (9)
  • Researchers found 203 pesticides across Dirty Dozen foods. (11)
  • More than one-third of conventional produce samples contained PFAS pesticides. (10)
  • Nearly 60% of Clean Fifteen foods had no detectable pesticide residues. (9)

What are PFAS pesticides?

PFAS are often called “forever chemicals” because they can persist in the environment for extremely long periods. Some modern pesticides contain fluorinated compounds related to PFAS chemistry.

The concern is not only short-term exposure of these PFAS from a single food but cumulative exposure across food, water, and everyday products. (10)

According to the EWG 2026  report (9):

“The most frequently detected pesticide across all fruits and vegetables was fludioxonil, a PFAS fungicide linked to some potential health concerns. Three of the 10 most detected pesticides meet the internationally recognized definition of PFAS.”

One lesser-known pathway of PFAS  comes through the use of sewage sludge (biosolids) as fertilizer (13). Biosolids are a byproduct of wastewater treatment and are sometimes applied to farmland as a low-cost, nutrient-rich soil amendment. However, because wastewater collects a wide range of industrial chemicals and consumer residues, PFAS can accumulate in this sludge during treatment.

When biosolids contaminated with PFAS are spread on agricultural fields, these persistent chemicals can enter the soil ecosystem. From there, they may be taken up by crops grown for human consumption as well as feed crops like corn and hay used for livestock.

Although federal regulations limit certain contaminants in biosolids—such as pathogens and heavy metals—there are currently no nationwide requirements to routinely test for PFAS or require disclosure to farmers when contaminated sludge is applied. (14)

The concern is that once PFAS enter farmland, they can persist for years, gradually cycling through soil, water, crops, and ultimately the food chain—making them a quiet but significant contributor to pesticide-related chemical exposure in foods.

The 2026 Dirty Dozen

The Dirty Dozen isn’t a list of foods you should stop eating. It’s a list of help you prioritize your organic shopping, especially when limited by availability or financial constraints. If your budget doesn’t allow organic everything, these are the foods where choosing organic may help reduce exposure. (12)

Of the 47 fruits and vegetables assessed, the below twelve were found to be contaminated with the most pesticides (7):

  1. Spinach
  2. Kale, collard, and mustard greens
  3. Strawberries
  4. Grapes
  5. Nectarines
  6. Peaches
  7. Cherries
  8. Apples
  9. Blackberries
  10. Pears
  11. Potatoes
  12. Blueberries

The 2026 Clean Fifteen 

On the opposite end of the spectrum from the “Dirty Dozen” sits the “Clean Fifteen.” The clean fifteen are those fruits and vegetables that contain the lowest detectable amount of pesticides as analyzed by the USDA. (8)

Avocados and sweet corn came back with the lowest detectable pesticides, with fewer than 2% presenting with pesticide residues. In addition, multiple pesticide residues are extremely rare on Clean Fifteen vegetables, with only 8% of the Clean Fifteen having two or more pesticides.

All in all, almost 70% of Clean Fifteen fruit and vegetable samples had no pesticide residues at all.

  1. Pineapple
  2. Sweet corn
  3. Avocados
  4. Papaya
  5. Onions
  6. Sweet peas (frozen)
  7. Asparagus
  8. Cabbage
  9. Cauliflower
  10. Watermelon
  11. Mangoes
  12. Bananas
  13. Mushrooms
  14. Kiwi

The Takeaway on Pesticide-Contaminated Foods

Many people turn away from organic produce due to the distinctively higher price tag than conventional options. Like most things in life, choosing your produce doesn’t have to be a black or white affair. As the EWG analysis shows us, certain conventional crops should be avoided as much as possible, while a handful of items may be passable in their non-organic varieties.

Your liver, kidneys, digestive tract, and other systems continuously process and eliminate compounds you’re exposed to. Reducing unnecessary exposure can lower the burden those systems handle every day. That’s why these lists from the EWG are so helpful!

With all of that being said, it’s essential to remember that not all pesticides are tested for in the USDA analysis. Glyphosate, in particular, somehow escapes the government’s assessment and yet is still the most commonly used pesticide in the US. 

Therefore, it’s always best to choose organic when possible, even if you’re looking for one of the Clean Fifteen.

Citations

  1. https://www.epa.gov/pesticide-science-and-assessing-pesticide-risks/human-health-issues-related-pesticides

  2. Nicolopoulou-Stamati, Polyxeni, et al. “Chemical pesticides and human health: the urgent need for a new concept in agriculture.” Frontiers in public health 4 (2016): 148.

  3. http://npic.orst.edu/chemicals_evaluated.pdf

  4. https://www.ewg.org/foodnews/summary.php

  5. Burke, Richard D., et al. “Developmental neurotoxicity of the organophosphorus insecticide chlorpyrifos: from clinical findings to preclinical models and potential mechanisms.” Journal of neurochemistry 142 (2017): 162-177.

  6. Jin, Cuiyuan, et al. “Maternal exposure to imazalil disrupts the endocrine system in F1 generation mice.” Molecular and cellular endocrinology 486 (2019): 105-112.

  7. https://www.ewg.org/foodnews/dirty-dozen.php

  8. https://www.ewg.org/foodnews/clean-fifteen.php

  9. https://www.ewg.org/news-insights/news-release/2026/03/ewgs-2026-shoppers-guide-pesticides-producetm-finds-widespread
  10. https://www.ewg.org/foodnews/pfaspesticides.php
  11. https://www.food-safety.com/articles/11266-ewg-publishes-2026-dirty-dozen-list-of-pesticide-contaminated-producebut-is-it-scientifically-sound
  12. https://www.health.com/how-useful-is-the-dirty-dozen-really-11934082
  13. https://www.ewg.org/news-insights/news/2022/04/ewg-forever-chemicals-may-taint-nearly-20-million-cropland-acres
  14. https://www.epa.gov/biosolids/regulatory-determinations-pollutants-biosolids
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Dr Wendy Myers, ND is a detox expert, functional diagnostic nutritionist, NES Bioenergetic Practitioner, and founder of Myersdetox.com. She is the #1 bestselling author of Limitless Energy: How to Detox Toxic Metals to End Exhaustion and Chronic Fatigue . Additionally, Wendy is the host of The Heavy Metals Summit, the Myers Detox Podcast, and the Supercharged Podcast. Passionate about the importance of detox to live a long and healthy life, she created the revolutionary Myers Detox Protocol , and Mitochondria Detox kit after working with thousands of clients, as well as a range of supplements to help you detox from everyday living and maintain a healthy lifestyle!

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