10 Best Non-Toxic Water Filters Free of Plastic for Home Use

non toxic water filters

To find the best non-toxic water filters for home use, we reviewed a wide range of PFAS water filters, analyzing their materials, filtration methods, and overall effectiveness.

We rated all plastic-free water filters based on strict criteria, including safety certifications, performance in removing contaminants, and user reviews. For transparency and reliability, we verified the information against industry standards and independent studies. You can find more about our rating process here

For more healthy home product recommendations, check out these non-toxic coffee mugs, coffee grinders, BPA-free shaker bottles, non-toxic garden hoses, and pet odor eliminators.

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Best Non-Toxic Water Filters for Home, at a Glance

  • Overall Best Non-Toxic Water Filter: Berkey
  • Best Non-Toxic Water Filter Pitcher: Aarke
  • Best Plastic-Free Water Filter For Sink: LCF
  • Best Non-Toxic Water Filter For Shower: Aquabliss 
  • Best Non-Toxic Water Filter For Fridge: Vegebe
Table of Contents

    Contaminated water is arguably a very serious issue in the USA, UK, and beyond. I still remember the Flint, Michigan crisis in 2014, where lead contamination became a disaster after the city switched to a corrosive water supply without proper protections. Sadly, lead pipes are still in use today, with the EPA estimating over 9 million homes in the U.S. get water through lead service lines.

    More recently, in 2020, the Environmental Working Group found that 200 million Americans may be exposed to PFAS-contaminated drinking water—dangerous chemicals found in all 50 states, often near military bases and airports.

    Even with the Safe Drinking Water Act, water safety isn’t guaranteed. In 2018 alone, the NRDC reported that over 30 million Americans were served by systems that violated health-based standards.  

    But there is light end the end of the tunnel. In April 2024, the EPA finalized the first-ever National Primary Drinking Water Regulation (NPDWR), marking a major step forward in addressing PFAS contamination. This rule sets enforceable maximum contaminant levels for six specific PFAS chemicals in drinking water, including PFOA, PFOS, GenX, PFNA, PFHxS, and PFBS.

    But given the current awful state of our water supply, the need for non-toxic water filters for home use has never been clearer. However, not all PFAS water filters are created equal. Some can still contain harmful substances. That’s why opting for a plastic-free water filter is the safest choice to keep your drinking water free from toxins like PFAS, chlorine, and BPA found in plastic parts. 

    Before we jump to the safest water filters in 2025, let’s first go over the most common water contaminates, and materials to watch out for.

    Why Safe, Clean Water is so Essential for Your Health

    Actually, it’s pretty simple. Every system in your body relies on water to function. From helping your cells absorb nutrients, to flushing out toxins, and even keeping your brain sharp. Staying hydrated is non-negotiable. Your body is made up of around 60% water, and it’s constantly losing some of it through sweat, breathing, and, you know, bathroom breaks. Without enough water, dehydration can sneak up on you, leaving you feeling tired, sluggish, and with a splitting headache—like you’re running on low battery.

    Water also plays a huge role in digestion. It helps break down food and supports the absorption of nutrients so that your body can actually make use of what you eat. Ever had that uncomfortable feeling after a meal, like things aren’t moving the way they should? That’s a sign your body might be short on fluids. 

    Additionally, water moisturizes from the inside out, helping your skin stay smooth, clear, and youthful. If you’re skimping on the water intake, you can end up with dry, flaky skin—definitely not the look we’re going for.

    But unfortunately, unfiltered or poorly filtered water can be loaded with contaminants like chlorine, lead, bacteria, and even pesticides. Yikes! Over time, exposure to these contaminants can lead to all kinds of health issues. Anything from upset stomachs to long-term risks like kidney problems or even developmental issues in kids.

    The Most Common Water Contaminants to Watch Out For

    PFAS (Forever Chemicals)

    PFAS, short for per- and polyfluoroalkyl substances, are often called “forever chemicals” because they don’t break down easily in the environment. These chemicals are used in all kinds of products, from non-stick cookware and dinnerware to waterproof clothing and even firefighting foam. 

    They eventually find their way into the water system, and once they’re in, they’re nearly impossible to remove. But with the right PFAS removal filters, you can keep them away from your glass and shower. Scientists have linked them to a variety of health issues, including an increased risk of cancer, liver damage, immune system suppression, and reproductive harm. Some studies have even suggested that they can reduce vaccine efficacy in children.  

    Lead

    Lead is probably one of the most notorious water contaminants. You might think, “That’s old news—lead pipes were banned ages ago!” And you’d be right, but many older homes still have lead pipes or fixtures. When water flows through these pipes, it can pick up lead, especially if the water is slightly acidic or hasn’t been treated properly.

    Lead is a sneaky one because even at low levels, it can cause serious health problems. For adults, it can increase blood pressure, damage the kidneys, and mess with your nervous system. But it’s especially dangerous for kids—exposure can result in developmental delays, learning difficulties, and behavioral problems. My best advice is to choose non-toxic water filters that remove heavy metals — whether it’s for your drinking or shower water.  

    Chlorine

    This is what drove me to install a non-toxic water filter for the shower! Chlorine might sound familiar because it’s often added to tap water as a disinfectant to kill bacteria and viruses. While that’s great for preventing diseases, too much chlorine isn’t great for your health.  

    Chlorine can dry out your skin and hair—leaving you with that “just left the pool” feeling after a shower. Long-term exposure, though, is where it gets serious. It can also form byproducts like trihalomethanes (THMs), which have been linked to an increased risk of cancer.  

    Pesticides

    Agriculture is a huge industry, and with it comes the use of pesticides. The thing is, these chemicals don’t just stay on crops. When it rains, pesticides can leach into groundwater or get washed into rivers and lakes, eventually making their way into your tap water.  In 2021, the EPA reported that about 13% of community water systems serving agricultural areas in the U.S. have nitrate levels exceeding the safety standard. That was enough to persuade us to grab a non-toxic plastic-free water filter for home use!

    Some of the common culprits are atrazine, glyphosate (aka Roundup), and DDT. The health risks? They range from hormonal disruptions to cancer. Pesticides are known endocrine disruptors, meaning they can mess with your body’s hormone balance, which can lead to reproductive issues, birth defects, and even an increased risk of cancer.  

    Pharmaceuticals

    Wait, what? Yes, you read that right. Pharmaceuticals like antibiotics, painkillers, and even birth control hormones have been detected in tap water. How does this happen? When people take medication, not all of it gets absorbed by the body. Some of it is excreted, and when we flush it away, it can make its way into waterways. Wastewater treatment plants aren’t designed to filter out these tiny drug particles, so they can slip through and end up back in our water supply. Shockingly,  over 70% of tap water samples tested across the UK contained microplastics, a growing concern globally.

    While the levels of pharmaceuticals in tap water are usually low, long-term exposure is where the worry sets in. Constantly consuming trace amounts of medications not prescribed to you can lead to antibiotic resistance or disrupt your hormones. This can easily be avoided if you invest in a non-toxic water filter for home use!

    Toxic Materials in PFAS Water Filters to Avoid 

    BPA in Drinking Water Filters

    You’ve probably heard of BPA (Bisphenol A), the infamous chemical found in many plastic products, including everything from popcorn makers, and drawer liners, to some water filters. BPA can leach into water and, once in your body, mimic estrogen, throwing off your hormonal balance like an uninvited guest at a party. Studies have linked BPA exposure to everything from hormone disruption and reproductive issues to an increased risk of certain cancers and developmental problems in children.  

    If that wasn’t enough to convince you to invest in plastic-free water filters, there’s more! Many filters use plastics that contain phthalates, another group of chemicals that can leach into water. Phthalates are known endocrine disruptors and have been connected to a range of health issues, including developmental and reproductive harm, obesity, and even asthma. It’s like filtering out one set of toxins just to replace them with another. That’s why I always recommend opting for truly non-toxic water filters that are BPA-free, and phthalate-free. 

    How Some Water Filtration Processes Can Add to the Problem

    Then, there’s the filtration process itself. Some filters use materials or methods that introduce harmful byproducts into the water. For instance, filters that rely on activated carbon are great for removing chlorine, but if the carbon isn’t high quality or eco-friendly, it might come with contaminants from its manufacturing process. Even worse, some of the “best water filters for PFAS” that claim to be effective might use cheap materials that break down over time, potentially releasing microplastics into your water. 

    Options like a plastic-free water filter or a non-toxic water filter for home are your best chance to make sure that you’re staying far away from all these extra chemicals. P.S. I was so happy to see that some reverse osmosis systems even include eco-friendly components, making them a great option if you’re looking for the safest water filter for your home.

    The 10 Best Plastic-Free, Non-Toxic Water Filters

    1. Berkey Water Filter System

    2. Waterdrop Stainless-Steel Faucet Water Filter

    3. Aquabliss Water Filter for Shower

    4. LCF Stainless Steel Water Filter for Sink Faucet

    5. Invigorated Water Filter Pitcher

    6. Aarke Purifier Glass Water Filter Pitcher

    7. GOpure Pod Portable Water Filter

    8. Brondell Compact Shower Filter

    9. OEMIRY BPA-Free Countertop Water Filter System 

    10. Vegebe Reverse Osmosis Water Filter For Fridge

    The Different Types of Non-toxic Water Filters & Their Uses

    Non-Toxic Water Filter Pitcher

    Best for: Those looking for an eco-friendly water filter solution without much hassle. Perfect for a small household or apartment.

    Pitcher filters are the go-to option for those who want simplicity and convenience. You just fill it up, let it filter, and pour yourself a glass of cleaner water. These are great for the low-maintenance, “I just need something quick” crowd. They’re easy to use, affordable, and perfect for keeping in the fridge.

    But keep in mind that they may not filter everything. While they can remove some basic contaminants like chlorine and sediment, they often fall short when it comes to heavy-duty toxins like lead, PFAS, or pharmaceuticals. Still, brands like Berkey water filter and others recommended by the EWG best water filter pitcher list are better equipped to handle a wider range of contaminants, making them a solid choice if you’re after a non-toxic water filter pitcher.

    Under-Sink Water Filters for PFAS

    Best for: Homeowners or renters who want a more thorough filtration system that’s out of sight but always ready to go.

    A plastic-free under-sink water filter might be your best bet. Installed directly under your kitchen sink, these systems provide a continuous supply of clean water without taking up precious counter space. They’re generally more powerful than pitcher filters and can tackle a broader range of pollutants, including heavy metals, chlorine, and even pesticides.

    You can find non-toxic water filters for homes in this category, many of which are BPA-free and designed to remove more harmful contaminants. Some of the best water filters for PFAS also come in this form, making them a good long-term investment for those serious about their water quality.

    Chemical-Free Countertop Water Filters

    Best for: Those who want the benefits of an advanced system with the convenience of countertop placement.

    These filters are similar to under-sink options but, as the name suggests, they sit on your counter. If you prefer easy access and aren’t worried about counter space, a countertop water filter is a good alternative. They often have the same level of filtration power as under-sink models but are easier to install (read: no need to call a plumber!).

    It would be best to invest in chemical-free countertop water filters that don’t introduce plastics or other toxins. Many countertop models are designed as water filters without chemicals, meaning they’re made from safe, non-toxic materials. Some even tackle hard-to-remove pollutants like lead and PFAS.

    Non-Toxic Reverse Osmosis Filters

    Best for: Households with serious contamination concerns or those looking for the safest water filter for complex pollutants like PFAS.

    When it comes to getting the cleanest water possible, reverse osmosis water filters are like the gold standard. They work by forcing water through a semi-permeable membrane that removes up to 99% of contaminants—including lead, chlorine, fluoride, PFAS, and more. 

    Even better, while reverse osmosis PFAS filters are highly effective at removing harmful chemicals, they also strip out beneficial minerals like calcium and magnesium. So, you get ultra-pure water, but it might lack some of the good stuff. You can always look for systems that remineralize the water afterward to keep things balanced.

    Non-Toxic Whole-House Water Filters

    Best for: Families or high-use households looking for full-home protection from contaminants like chlorine, lead, and PFAS.

    If you want to go all-in and guarantee that every drop of water in your home is safe, a non-toxic whole-house water filter is your go-to option. These systems filter all the water entering your house—from the taps to the shower. It handles everything, making sure you’re protected from contaminants whether you’re drinking water, washing your hands, or taking a shower.

    Whole-house systems are perfect for families or larger households that use a lot of water. They’re particularly useful if your water source has heavy contamination, and you want a non-toxic water filter for your home that covers all your bases. Just make sure it’s an eco-friendly, plastic-free water filter to avoid adding any extra chemicals along the way.

    How to Choose the Best Non-Toxic Water Filter for Home Use

    Assess Your Household Needs

    • Family Size: The bigger the family, the more water you’ll need—and not just for drinking, but for cooking, washing, and more. A small non-toxic water filter pitcher might work fine for a solo household, but larger families may want to look into a non-toxic whole-house water filter or an under-sink system that provides clean water on demand.
    • Water Quality in Your Area: The contaminants present in your water supply will play a major role in determining what kind of filter you need. If your area has high levels of PFAS, lead, or chlorine, you’ll want a reverse osmosis water filter or one specifically designed for PFAS removal. Check your local water quality report or use a home test kit to see what you’re dealing with. The EWG water filter recommendations can also help you zero in on the best filter for your specific water contaminants.
    • Budget: Plastic-free water filters range from budget-friendly pitchers to high-end whole-house systems, so it’s important to balance what you can afford with how much filtration power you need. Non-toxic water filters without chemicals are available at different price points, but make sure you’re not sacrificing safety for savings. Look for filters that provide good value for money without compromising on quality.
    • Installation Convenience: Let’s be real—no one wants to install a whole-house filtration system for a tiny studio apartment! Make sure the PFAS water filter you choose aligns with your space and skill level. If you’re looking for a no-fuss option, a non-toxic water filter pitcher or countertop filter might be the easiest way to go. For homeowners who don’t mind a little DIY, under-sink or whole-house systems provide more comprehensive coverage but require a bit more setup.

    Your Plastic-Free Water Filter Should Be Certified 

    • NSF Certification: NSF International is a well-known organization that tests and certifies water filters for safety and performance. Filters with an NSF certification are proven to reduce specific contaminants, like lead, chlorine, and PFAS. Some NSF standards to look for include:
      • NSF/ANSI 42: Filters certified under this standard reduce aesthetic impurities like chlorine and improve taste and odor.
      • NSF/ANSI 53: This covers the reduction of health-related contaminants, such as lead, pesticides, and volatile organic chemicals (VOCs).
      • NSF/ANSI 58: This is specific to reverse osmosis water filters and certifies the removal of contaminants like heavy metals and PFAS.
    • WQA Certification: The Water Quality Association (WQA) also certifies water filters through its Gold Seal Program. If you see the WQA Gold Seal, you can be confident the filter is effective and meets high safety standards.

    Match the Filter to the Contaminants You Want to Remove

    Different filters are better suited to tackle specific contaminants. If your water test shows high levels of certain toxins, make sure you’re choosing a non-toxic water filter that’s equipped to deal with them:

    • For PFAS (Forever Chemicals): Look for PFAS water filters like reverse osmosis PFAS filters, which are highly effective at removing these persistent contaminants. The best water filter for PFAS will usually have both NSF/ANSI 53 and 58 certifications.
    • For Lead: Filters like reverse osmosis or carbon block systems with NSF/ANSI 53 certification are ideal for removing lead. Some pitcher filters, such as the Berkey water filter, are also excellent at lead reduction.
    • For Heavy Metals: A plastic-free water filter that removes heavy metals, like lead, mercury, and arsenic, should have NSF/ANSI 53 or 58 certification. Reverse osmosis systems are a top choice here, as they filter out most heavy metals effectively.

    How To Care For Your Non-Toxic Water Filter

    Change Your Filters Regularly

    Changing your filter on time is like getting an oil change for your car—you might be tempted to skip it but trust me, your water will thank you! Over time, filters can get clogged with all the contaminants they’ve removed from your water. If left too long, they’ll lose their effectiveness, meaning you’re basically just pouring your water through an old sponge.

    • Know Your Filter’s Lifespan: Different types of filters have different lifespans. For example, non-toxic water filter pitchers may need a filter change every 2-3 months, while a reverse osmosis water filter could last 6-12 months. Always check the manufacturer’s guidelines for how often to change the filter—and stick to it!
    • Set a Reminder: It’s easy to forget when it’s time to change the filter, especially if you’re using a non-toxic whole-house water filter that you don’t interact with daily. Set a reminder on your phone or mark it on your calendar to stay on track.

    Clean the Filter Housing

    Even if you’re changing your filters on time, the housing that holds the filter can build up residue or bacteria over time. Make it a habit to give the housing a good clean every time you swap out the filter.

    Simply remove the old filter and clean the housing with a gentle, eco-friendly cleaner or a mixture of water and white vinegar. Be sure to rinse it thoroughly to avoid any leftover cleaning chemicals sneaking into your water. This step is especially important for countertop water filters and non-toxic water filter pitchers where water is sitting inside the filter housing for extended periods.

    Watch for Filter Expiration

    Some high-tech filters come with built-in indicators that tell you when it’s time for a change (super handy!). But for those without this feature, it’s a good idea to keep track of when you installed your current filter. If the water flow slows down, the taste changes, or you notice cloudy water, it’s a sure sign your plastic-free filter is overdue for a change.

    Use Clean Water on Your Plastic-Free Water Filter

    It sounds obvious, but using the cleanest water possible helps extend your filter’s lifespan. If your home has particularly hard water or sediment-filled water, using a pre-filter can help reduce the wear and tear on your main filter.

    For households with well water or water with visible particles, a sediment filter can catch the larger debris before it reaches your main filter, prolonging its life. This is especially helpful for reverse osmosis water filters or non-toxic whole-house water filters.

    Avoid Harsh Chemicals on the Filter

    While it might be tempting to use strong cleaners to disinfect your water filter system, harsh chemicals like bleach or ammonia can break down the filter materials or leave behind residues that contaminate your water. Stick to non-toxic, eco-friendly cleaning products, especially for a water filter without chemicals.

    If you’re using a plastic-free water filter, make sure any cleaning products are compatible with its materials. Natural cleaners like vinegar and baking soda can be great options that won’t damage the system or leave harmful residues behind.

    Check your PFAS Water Filter for Leaks and Damage

    Every now and then, give your water filter system a quick inspection to ensure everything is in working order. Look for leaks around the seals, cracks in the filter housing, or anything else that might compromise the filtration process. If your system uses tubes or connectors (like many reverse osmosis water filters), ensure everything is securely fastened.

    Many leaks are the result of loose connections, which can usually be fixed by tightening or reseating parts. But if you spot any serious cracks or damage, it might be time to replace that component or consult the manufacturer for a repair.

    Don’t Forget Seasonal Maintenance

    If you live in a region with extreme temperatures, seasonal changes can impact your water filter system. Cold weather, in particular, can cause water in the system to freeze and damage components, especially in outdoor whole-house systems.

    P.S. If your system is at risk of freezing temperatures, consider insulating it or draining the water during the cold months to prevent damage.

    FAQs About Non-Toxic Water Filters

    What’s the difference between filtered and purified water?

    Filtered water is treated to remove impurities like chlorine and heavy metals using filters, whereas purified water undergoes more rigorous processes such as distillation, deionization, or reverse osmosis to remove nearly all contaminants, including chemicals and microorganisms. Purified water is essentially a higher level of filtration.

    What is the healthiest type of water filter?

    The healthiest water filters are reverse osmosis, as they effectively remove contaminants like heavy metals, chemicals, and pathogens while retaining essential minerals.  

    What water filter removes toxins?

    Non-toxic reverse osmosis filters are highly effective in removing a wide range of toxins, including lead, fluoride, arsenic, and other harmful chemicals, making them one of the most comprehensive filtration systems available.

    Can you purify water without chemicals?

    Yes, water can be purified without chemicals using methods like boiling, UV light purification, or filtration. These methods kill bacteria and remove contaminants without the need for chemical disinfectants.

    What is the safest way to filter drinking water?

    The safest way to filter drinking water is by using a combination of activated carbon and reverse osmosis filtration, as this removes most chemical, biological, and heavy metal contaminants while preserving the taste and some essential minerals. UV treatment can also be added for further sterilization.

    Do Brita filters remove PFAS?

    Brita filters can reduce some contaminants, but they are not highly effective at removing PFAS. Studies show that Brita’s standard pitcher filter removes only about 66% of PFAS, which is lower than more advanced systems like reverse osmosis or activated carbon filters designed specifically for PFAS removal.

    Do I need a whole-house filter for PFAS?

    A whole-house filter is not necessary unless you want to treat all water in your home (for showers, laundry, etc.). Point-of-use filters, like under-sink reverse osmosis systems, are effective for drinking water and are more affordable. Whole-house filters are more comprehensive but costlier, ideal for those wanting complete home protection.

    Final Thoughts on Non-Toxic Water Filters for PFAS

    There you have it, the best plastic-free water filters for home use! When it comes to finding the best non-toxic water filter, it really depends on your water quality, lifestyle, and how much filtration power you need. Whether you’re after a simple non-toxic water filter pitcher for quick fixes or a robust reverse osmosis water filter for serious purification, there’s a solution for every home. Just remember to prioritize BPA-free, and eco-friendly options to avoid any hidden toxins. And if you’re worried about specific pollutants like PFAS, make sure to choose a filter designed for PFAS removal—you’ll find that many of the EWG water filter recommendations highlight the best water filters for PFAS to keep your home safe and your water pure.

    Senior Writer, Product Researcher & Tester

    Konstantina Antoniadou is an expert sustainability writer, certified in Chemicals and Health by Johns Hopkins University, where she focused on the toxicity of commonly found household chemicals and their health impacts. She has also completed specialized studies in Sustainable Fashion (Copenhagen Business School), Business Models for Sustainability (BMS), and Sustainable Development Goals (University of Copenhagen), deepening her expertise in the connection between personal choices and global environmental change. With years of experience as a senior writer and researcher, Konstantina now leads our reviews of non-toxic home products, beauty and skincare brands, and sustainable fashion. K. is also the creator of the popular 7-Day Non-Toxic Living Challenge, downloaded over 2,000 times and praised for its accessible, science-backed tips.

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