Ethan Clarke
Plastic pollution is a pressing environmental concern, with plastic fibres found in tap water across the globe. Microplastics, which are plastic particles smaller than 5mm, have been detected in 83% of tap water samples from over a dozen countries. These particles can attract bacteria and absorb toxic chemicals, potentially impacting human health. While the specific health effects are still being studied, reducing microplastic consumption is advisable. Water filtration systems, including activated carbon, reverse osmosis, and ceramic filters, are effective in removing microplastics from tap water. Boiling and filtering water can also eliminate up to 90% of microplastics. Additionally, reducing plastic consumption and opting for reusable alternatives can help minimise plastic pollution and its presence in our tap water.
| Characteristics | Values |
|---|---|
| Plastic in filtered tap water | Microplastics are found in tap water across the world, including in the US, the Republic of Ireland, and Germany |
| Impact on health | The impact of microplastics on health is not yet known, but they have been shown to damage human cells and can attract harmful bacteria |
| Removing microplastics from water | Water filtration systems, including boiling and then filtering, distillation, reverse osmosis, and ultrafiltration, can remove microplastics from drinking water |
| Reducing microplastic consumption | Reducing plastic use, using filtering water bottles, and opting for reusable alternatives to single-use plastic items can help reduce microplastic consumption |
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What You'll Learn
Microplastics are found in tap water worldwide
Microplastics are tiny plastic particles that result from the breakdown of larger plastic products over time. They are found in the air, water, and food worldwide, including tap water. Tests have shown that billions of people globally are drinking water contaminated by plastic particles, with 83% of samples from more than a dozen nations found to be polluted. The US had the highest contamination rate at 94%.
Microplastics can enter drinking water through various sources, including synthetic clothing, facial scrubs, tires, tea bags, toothpaste, and paint. They are of concern because they can attract bacteria found in sewage and absorb toxic chemicals, which can then be released into the body. Research has shown that microplastics are present in a third of fish caught in the UK and have also been found in the lungs and blood of humans, where they can damage cells and potentially penetrate organs.
While bottled water may seem like a safer alternative, studies have found alarming levels of microplastic contamination in commercial bottled water as well. On average, bottled water contains 325 plastic particles per liter, with some bottles containing up to 10,000 particles per liter. This has led to calls for urgent research on the health implications of microplastic consumption.
To reduce exposure to microplastics, individuals can use water filters or filtering water bottles, which can remove up to 90% of microplastics. Boiling and then filtering tap water is another effective method, as the boiling process helps to remove impurities like microplastics. Distillation is also an option, but it can be costly.
As plastic use continues to increase, it is important to reduce, reuse, and recycle plastic products to minimize their impact on the environment and our health.
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Water filters can remove microplastics
Water filters can indeed remove microplastics. Microplastics are pieces of plastic debris that are smaller than 5mm and larger than 100nm (0.0001mm). They are the result of plastic products that break down over time and products that contain microplastics, such as synthetic clothing, facial scrubs, tires, tea bags, toothpaste, and paint.
Water filtration systems such as LifeStraw use membrane microfilters capable of blocking particulates and pathogens larger than 0.2 microns in size, effectively removing microplastics. Their second membrane type is an ultrafilter that can block particles and pathogens down to sizes exceeding 0.02 microns. LifeStraw's Home Line of products is among the only household water filtration pitchers with this membrane technology. Their water filter bottles are also among the only everyday bottles guaranteed to remove microplastics.
Other water filtration options include reverse osmosis, distillation, and ultrafiltration. Brita filters are also mentioned as a way to filter out microplastics while leaving in fluorine and other minerals. Boiling and then filtering tap water can remove up to 90% of microplastics.
While the health impact of microplastics is not yet fully understood, they have been shown to damage human cells and are found in the blood and breast milk of humans. They can also attract bacteria found in sewage and contain and absorb toxic chemicals. For these reasons, it is beneficial to filter microplastics out of water when possible.
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Boiling water can remove microplastics
Plastic contamination in tap water is a growing global concern. Plastic fibres have been found in tap water across the world, with 83% of samples from an investigation across more than a dozen nations found to be contaminated with plastic fibres. The US had the highest contamination rate at 94%.
Microplastics are plastic debris smaller than 5mm and larger than 100nm (0.0001mm). They are produced when plastic products break down over time and can also be found in products such as synthetic clothing, facial scrubs, tires, tea bags, toothpaste, and paint. They have been found in food, water, and even the air we breathe.
To address this issue, some have suggested boiling tap water to remove microplastics. A study published in Environmental Science & Technology Letters found that boiling tap water can remove up to 90% of microplastics, with hard water being more effective than soft water. Specifically, boiling hard water can remove at least 80% of polystyrene, polyethylene, and polypropylene NMPs sized between 0.1 and 150 μm. However, it is important to note that this method is not 100% effective, and there may be more sustainable practices to remove microplastics from drinking water.
Other methods to remove microplastics from drinking water include using water filtration systems, such as reverse osmosis, distillation, and ultrafiltration. These systems can effectively reduce levels of microplastics of all sizes. Additionally, while it may be expensive, water can be shipped to a laboratory for testing to confirm the presence of microplastics.
While the health impacts of microplastics are not yet fully understood, they have been shown to damage human cells and are a cause for concern. They can attract bacteria found in sewage and contain and absorb toxic chemicals, which can be released in the body. As such, it is recommended to filter microplastics out of water when possible to reduce intake and benefit health.
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Microplastics are harmful to human health
Microplastics are pieces of plastic debris that are smaller than 5mm and larger than 100nm (0.0001mm). They are found in the environment all over the world, from the Mediterranean Sea to Mount Fuji, and have even been detected in human blood, breast milk, and lungs. This is concerning as microplastics have been shown to damage human cells and are linked to a range of potential health issues.
One of the main concerns regarding microplastics is their ability to attract and absorb harmful bacteria and chemicals. Studies have shown that microplastics found downstream of wastewater treatment plants contain more harmful pathogens, and they are known to absorb toxic chemicals, which are then released in the body. These toxic chemicals can include endocrine disruptors, which are hormonally active agents that can cause various cancers and reproductive-system disorders.
The irregular shapes of microplastics can also cause toxicity by physically stimulating the human body. In addition, their small size means they can easily enter the human body through the respiratory system, the digestive tract, or through the skin. Once inside the body, they can accumulate in organs, with particularly high concentrations found in the colon and liver, and they do not exit the body easily.
The exact health risks of microplastics are still being studied, as it is a relatively new area of research. However, there is enough concern to warrant urgent calls for further investigation and the implementation of regulations to reduce microplastic contamination. In the meantime, consumers are advised to filter their drinking water to reduce their microplastic intake and potential health risks.
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Microplastics are found in bottled water
Plastic fibres have been found in tap water across the world, with 83% of samples from more than a dozen nations contaminated with plastic fibres. The US had the highest contamination rate at 94%.
Microplastics are also found in bottled water. A 2018 study found an average of 325 microplastic particles per litre of bottled water, with one bottle of Nestle Pure Life containing levels as high as 10,000 particles per litre. Another study found roughly 240,000 detectable plastic fragments in a typical litre of bottled water, with about 10% of the detected plastic particles being microplastics.
The biggest source of exposure to microplastics in bottled water is the screw cap rather than the bottle itself. The repeated motion of screwing a cap on and off the bottle creates friction that generates a significant amount of microplastics, with each twist producing about 500 microplastic particles.
Scientists are still studying the effects of microplastics on the human body, but there is cause for concern. Microplastics can attract bacteria found in sewage, and they are known to contain and absorb toxic chemicals.
To remove microplastics from drinking water, the best home filtration options are reverse osmosis, distillation, and ultrafiltration.
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Frequently asked questions
Microplastics have been found in tap water across the world, and current standard water treatment systems do not filter out all of the microplastics. However, there are water filtration systems that can remove microplastics from drinking water.
There is currently no method for an average consumer to test water for microplastics at home. However, you can ship your water to a laboratory for testing, but this process is expensive.
Boiling and then filtering tap water can remove up to 90% of microplastics. Water filtration systems that can remove microplastics include reverse osmosis, distillation, and ultrafiltration.
