Health Risks of Plastic In Drinking Water

Why microplastics are dangerous

Plastic is an Ecological Disaster

Plastic is an infinitely versatile and cheap material to produce but what are the health risks of plastic in drinking water?

It is common knowledge plastic has become an ecological curse threatening all life.

Because of environmental influences plastic degrades to smaller particles when exposed to sunlight, air, water and general wear.

Microplastics are less than 5 millimetres in length but they continue to diminish is size down to nanoplastics that are less than 1 micron in length and being assimilated into the food chain.

Millions of plastic products are churned out and sold every minute of every day.

All life is being exposed exposure to ever increasing amounts of nanoplastics as there is an increasing diversification of products with shorter life expectancies and therefore, higher  disposal rates.

All plastic products begin breaking down into micro and nano-sized particles from the time they were produced.

Toxic Plastic Chemicals Do Not Disappear

The health risks of plastic in drinking water are concerning because plastic particles are made up of toxic chemical compounds that are accumulating in human blood, organs and stool samples (4, 5).

One significant source of microplastics entering our body’s is from plastic water bottles.

These particles contain Phthalates and other chemical compounds identified as endocrine disruptive chemicals (EDC’s).

Phthalates are just one of many types of EDCs in many products including textiles, carpets, herbicides, lubricants, cookware, processed foods and beverages.

EDC’s interfere with hormone production and function causing a many health problems that disrupt every aspect of our health.

Dying From Plastic

The Health Risks of Plastic in Drinking Water

Hormones are the chemical messengers in your body that are constantly balancing your physiology and metabolism including fertility, immune system responsiveness, cognition, behaviour and temperament etc,

In other words, hormones are involved in every aspect of your physiology.

Phthalates stunt and/or alter fetal development and cause of many health issues in children that become the basis for ill-health in adults. Phthalates weaken the immune system (9) and contribute to adult obesity, cardiovascular disease, diabetes, ADHD and the risk of cancer (7,8,9).

Plastic Particles in Bottled Water

One study analysed 259 bottles of water sold by 11 brands in nine countries found microplastics in 93% of the samples.

The study did not assess the water sources or test for contamination of water during transportation. 

Water filtration processes before bottling drinking water could also be a contributing factor to plastic contamination.

However, it was found the composition of some of the plastic particles taken from the water samples were from the packaging and bottling process.(6)

The test results varied from 17 bottles with no plastic contamination to one brand that contained more than 10,000 microplastic particles per litre!

Refer to Table 2 to see which brands were assessed in this link and which brands to avoid!(6)

Compared to tap water, plastic bottled water contained an average of twice the amount of microplastic particles thus raising the question, is tap water better than bottled water? (6). While some tap water may have fewer microplastics, other contaminants may be present in tap water including lead, cadmium, arsenic, fluoride, chlorine etc.

Microplastics Compromise the Immune System

Microplastics kill the white blood cells that are the frontline of your immune system and can cause inflammatory reactions and localised tissue damage.(10, 11)

Three ways microplastics affect human health:
* physical tissue damage
* leaching toxic chemicals such as Phthalates that affect the endocrine system
* as a carrier for bacteria (2,3)

While up to 90% of microplastics are eliminated, nanoplastics are less likely to be eliminated (13). As plastic particle accumulate in the body so too does the the body’s exposure to chemical toxicity increase.

When nanoplastics enter the circulatory system they begin to clump together and disrupt blood flow and damage red and white blood cells. They will also attract and bind to proteins causing the shape of the protein to change, which interferes with the ability of the protein to function (5, 12).

Nanoplastics Found The Brain, Heart and Lungs

Plastic toxicity is also harmful to beneficial gut bacteria, probiotics. (13)

Plastic particles cause liver inflammation in rats and mice.(2) Although the doses that caused the inflammatory reaction were much higher than the concentrations of plastic particles found in drinking water, these short term studies do not represent the sum of health risks as plastic accumulates in our bodies for years.


The long-term effects of plastic that are accumulating in our bodies is not fully understood but we do know the more plastic we accumulate in our body the greater the toxic impact is on our health. 

Simply put, the time is now to use more sustainable materials wherever possible. 

Filter your drinking water, remove  water from plastic containers asap and use a reusable water bottle that is not made from plastic or aluminium.

We highly recommend copper water bottles that purify water and last forever.

Non Plastic Bottle


  1. How the plastic bottle went from miracle container to hated garbage
  2. “Information Sheet: Microplastics in Drinking-Water.” World Health Organization, WHO, 26 Aug. 2019
  3. Wright, Stephanie, and Frank Kelly. “Plastic and Human Health: A Micro Issue?” Environmental Science & Technology, vol. 51, no. 12, 2017, pp. 6634–6647. ResearchGate
  4. Koelmans, Albert, et al. “Microplastics in Freshwaters and Drinking Water: Critical Review and Assessment of Data Quality.” Water Research, vol. 155, 2019, pp. 410–422. Science Direct
  5. Jain, Aditi. “Microplastics, an Invisible Danger to Human Health.” Down To Earth. N.p., 2019. Web. 18 Aug. 2020.
  6. Mason, Sherri, et al. “Synthetic Polymer Contamination in Bottled Water.” Frontiers in Chemistry, vol. 6, 2018. Frontiers
  7. Singh, Sher, and Steven Li. “Epigenetic Effects of Environmental Chemicals Bisphenol A and Phthalates.” International Journal of Molecular Sciences, vol. 13, no. 8, 2012, pp. 10143–10153. NCBI
  8. Braun, Joseph M. “Phthalate Exposure and Childrenʼs Health.” Current Opinion in Pediatrics, vol. 25, no. 2, 2013, pp. 247–254. NCBI
  9. Manikkam, Mohan. “Plastics Derived Endocrine Disruptors (BPA, DEHP and DBP) Induce Epigenetic Transgenerational Inheritance of Obesity, Reproductive Disease and Sperm Epimutations.” PLoS ONE, vol. 8, no. 1, 2013. NCBI
  10. “Nienke Vrisekoop on Microplastic’s Impact on Human Immune Cells | Plastic Health Summit 2019.” Performance by Nienke Vrisekoop, YouTube, 2019
  11. Spink, Abigail. “New Evidence Points to Microplastics’ Toxic Impact on the Human Body.” Geographical, Geographical Magazine, 2019
  12. Gopinath, Ponnusamy Manogaran, et al. “Assessment on Interactive Prospectives of Nanoplastics with Plasma Proteins and the Toxicological Impacts of Virgin, Coronated and Environmentally Released-Nanoplastics.” Scientific Reports, vol. 9, no. 1, 2019. ResearchGate
  13. Smith, Madeleine. “Microplastics in Seafood and the Implications for Human Health.” Current Environmental Health Reports, vol. 5, no. 3, 2018, pp. 375–386. NCBI

About the author:

Kristine Wagner MHS, CPH

Kristine holds a Master of Health Science in Environmental Health and a Certificate in Risk Science from the Johns Hopkins Bloomberg School of Public Health. She is a Certified in Public Health Professional by the NBPHE.

 She was a Strategic Information Fellow at the U.S. Embassy in Rwanda supporting HIV/AIDS programs in conjunction with the CDC. She worked as a health scientist at Cardno ChemRisk.

 As a student, she conducted environmental health research related to oil development in the Ecuadorian Amazon and wrote her graduate thesis on drinking water contamination from hydraulic fracturing.

 Kristine is also a professional scuba diving instructor (PADI MSDT) and worked as a diver in Mexico, Thailand, and Turks & Caicos. She also speaks Spanish and French.


Why Copper Is Essential For The Immune System by Water Eggs

Health Benefits of Copper

Copper and Your Immune System The importance and benefits of copper as an essential trace element includes supporting a strong immune system, the formation of blood, as an antibacterial and cellular communication.  A copper deficiency will have a significant impact on your overall health, especially on your immune system. Your immune system is always active.

Lab Testing Coppers Antibacterial Properties

Lab Testing Coppers Antibacterial Properties

Hand crafted copper vessels have been used to purify water for thousands of years.

Copper is a safe and sustainable way to keep your water safe from bacteria, viruses, mould and parasites.

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