Getting Forever Chemicals (PFAS) Out Of Drinking Water: Top Filters

🧪 Best PFAS Filters by Type

• #1. Best for PFAS Removal: Waterdrop G3P800
• #2. Best Under-Sink RO: Cloud RO
• #3. Best Countertop RO: AquaTru Classic
• #4. Best Pitcher: Clearly Filtered Pitcher
• #5. Best Under-Sink (No Power): Clearly Filtered 3-Stage
• #6. Best Whole-House Pairing: SpringWell CF

📊 How We Test & Score

Every filter on this page has been independently lab-tested through Tap Score. For PFAS specifically, we ran dedicated 14-analyte panels on the Waterdrop G3P800 and AquaTru Classic — both returned every compound not detected. The remaining filters were tested for broader contaminant removal including THMs, lead, chlorine, and TDS.

• Reverse Osmosis (Under-Sink): PFAS panel results, flow rate, waste ratio, and NSF certifications.
• Countertop RO: PFAS panel results, portability, space efficiency, and per-gallon cost.
• Pitchers: certified PFAS reduction claims, taste, and contaminant removal transparency.
• Under-Sink Inline: certified PFAS claims, ease of setup, and maintenance cost.
• Whole-House: flow rate, media life, and honest framing of PFAS coverage limitations.

👉 See the full scoring framework for detailed weights and examples.

📝 How We Chose

These aren’t one-week trial runs. We’ve lived with most of these systems in our own homes — the SpringWell CF has been running in our house for over three years, the Waterdrop G3P800 is our daily under-sink RO, and the AquaTru ran in our kitchen for years before we switched. The Clearly Filtered pitcher gets regular use as a backup and at family BBQs. Every filter here has been used in a real household, not just unboxed for photos.

• Does it have independent PFAS lab data — or just manufacturer claims?
• What did our Tap Score panels actually show after filtration?
• How much hassle is setup, upkeep, and filter swaps?
• What’s the real cost per year to run?

For PFAS specifically, we required either independent lab data from our own testing or published third-party certification results. Systems that only offered manufacturer claims didn’t make the top spots. The five picks here each earned their place by excelling where it matters most — verified contaminant removal, long-term value, or design that’s easier to live with.

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#1. Waterdrop G3P800 – Best for PFAS Removal

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💧 Tap Score Essential City Water Results (Aug 2025)

Key Findings (Report ID: DFPVIM):

• TDS: 28 mg/L (very low)
• Hardness: 5.2 mg/L (≈0.3 gpg, very soft)
• pH: 7.2 (neutral)
• Metals (lead, arsenic, chromium, copper, cadmium, mercury): ND
• Fluoride & Nitrate: ND
• Sodium: 9.8 mg/L (normal trace from RO process)

Full report available here: View Essential City Water lab report (Tap Score) Post-test (Waterdrop G3P800):
View post-install report (PDF)

💡 Here’s the deal: Three years of daily use and the thing that still stands out isn’t the flow rate or the design — it’s the 14-analyte Tap Score PFAS panel. All 14 not detected. That’s the standard everything else on this page is measured against.

⚠️ Heads up: After 3+ years of daily use, a couple small things popped up. The faucet gets a little loose now and then — probably from my kids bumping it — but a quick retighten fixes it. It also runs a bit louder during regeneration than it used to, though it’s still not what I’d call noisy.

👍 Pros

• Independently tested to reduce PFAS — including short- and long-chain variants – Click for lab test results.
• Zero guesswork — smart faucet tracks filter life and water quality
• Install was fast and intuitive — we were up and running in under 30 minutes
• Handles high-demand use — we fill gallon jugs daily without slowing down
• Whisper-quiet during use (rare for RO units — even after years of use)
• Filter swaps take seconds — no tools, no mess, no water spill

👎 Cons

• Faucet needed retightening after a year or so — not a big deal, but worth noting if you’ve got kids
• Slightly louder during regeneration now than when it was new
• Needs electricity to run — no UV protection during a power outage
• Priced higher than entry-level RO filters, but the build and performance reflect that

Read full review: Waterdrop G3P800 Review

#2. Cloud RO – Best Under-Sink RO

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🔬 Tap Score Lab Results — Cloud RO

💡 Here’s the deal: Silent since day one, tank has never run low in eight months with four people in the house. The remineralization lands water at 66 ppm — not flat RO water, actual mineral taste. That’s the difference you notice every day.

⚠️ Heads up: Filters are sold as a bundled annual kit only — no individual cartridges. And at 1:1 waste ratio, for every gallon filtered a gallon is wasted. Fine for most households, but worth knowing if water efficiency is a priority.

👍 Pros

• 97/99 Tap Score — THMs, lead, fluoride, copper all at non-detect
• No outlet required — runs anywhere under a sink without electrical work
• Tap Score report publicly available — full transparency on what it removes
• Priced at $599 — significantly less than most tankless RO systems

👎 Cons

• Bluetooth-only app — no remote monitoring away from home
• 1:1 waste ratio trails Waterdrop’s 3:1
• Larger under-sink footprint than tankless units

Read our full review: Cloud RO Review

#3. AquaTru Classic – Best Countertop RO for PFAS

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Tap Score Lab Results — AquaTru Classic Countertop RO (PFAS Panel)

💡 Here’s the Deal: Before we switched to a dedicated under-sink system, we relied on the AquaTru for daily drinking water. It’s plug-and-play, no plumbing needed, and it’s one of the few countertop units actually certified to reduce PFAS.

For the price, that’s impressive. That said, the spout could’ve been set just a little higher — tall bottles didn’t always fit cleanly underneath – so we had to hover the spout just offset from the counter to do so. Still, if you’re looking for a portable, no-install option that does more than just filter, it’s hard to beat.

👍 Pros

• Actually certified to reduce PFAS — NSF/ANSI 53 certified, which most countertop units can’t claim.
• No install, no tools — Perfect for renters or anyone not wanting to mess with plumbing.
• Portable enough to move — We’ve taken it to cabins and rentals; setup takes under 10 minutes.
• Low-maintenance filters — Snap-in design makes replacements foolproof.
• Improves taste and smell instantly — Especially noticeable if you’re switching from tap or fridge filters.
• Backlit water level indicator — You can see exactly when it’s time to refill — small thing, but useful.

👎 Cons

• Spout sits low — Filling taller bottles means hovering them off the edge or tilting awkwardly.
• Needs counter space and a power outlet — Not ideal for tight kitchens or RV setups.

Read our full review: AquaTru countertop RO system

#4. Clearly Filtered Water Pitcher – Best Budget PFAS Filter

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🔬 Tap Score Lab Results — Clearly Filtered Pitcher

💡 Here’s the deal: If you want a simple way to reduce PFAS without messing with plumbing, this one’s earned our trust. Clearly Filtered shares full third-party test results — not just for PFOA and PFOS, but a wide range of PFAS variants too.

We keep this in storage as a backup in case we forget to order filters for our RO system. It also comes in handy outdoors during BBQs — super easy to grab and pour.

⚠️ Heads Up: Like most gravity-fed filters, this one works best with a little upkeep. We give the lid and reservoir a quick rinse every week or so — especially during warmer months — just to keep things fresh. And when the filter starts slowing down, it’s usually a sign it’s time to swap it. Some users said customer support was hit or miss, but we’ve had decent luck when reaching out.

👍 Pros

• Certs are real — NSF 42, 53, 244, 401 & 473 are all published online – click for lab test results.
• Actually removes PFAS — third-party lab results are public, not just marketing
• Water tastes fresh and clean — no chlorine, plastic, or weird flavors
• Easy to clean — no odd crevices where grime or mold can build up
• Kid-friendly design — solid grip, no spills, and easy enough for little hands
• Fits in the fridge — doesn’t hog shelf space, even with a full load
• Long filter life — lasts months even in households with hard water
• Low maintenance — no Wi-Fi, no alerts, just filters that do their job

👎 Cons

• Large families will have to refill this pitcher several times daily.
• The lid is prone to cracking — handle with care.

Read full review: Clearly Filtered Water Pitcher

#5. Clearly Filtered 3-Stage – Best Under-Sink Filter

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🔬 Lab Results

💡 Here’s the deal: We tested this at my brother’s place since he didn’t have a power outlet under the sink — and it turned out to be a smart workaround. No electricity, no tanks — just a direct 3-stage line-in setup that took about 20 minutes to install.

What impressed us most was the taste. Clean, crisp water with none of that plasticky aftertaste. It’s certified to knock out PFAS, chlorine, and other nasties — and since it runs off water pressure alone, there’s nothing to babysit.

For families who want top-tier filtration without the bulk or fuss of a reverse osmosis system, this one quietly gets the job done.

⚠️ Heads up: The only quirk we’ve noticed is the filter housing can feel a little tight when swapping cartridges. Not a big deal, but you’ll want a firm grip and maybe a towel for traction. Also, if your family drinks a ton of water (like his does), you’ll likely be swapping filters every 9-12 months instead of the advertised 12.

👍 Pros

• Compact install — fits neatly under most sinks without taking up space
• Runs silently without electricity or drain line
• Quick filter swaps — twist off, pop in, done in 30 seconds
• Retains essential minerals for taste and health
• Ideal for older homes or rentals with no power outlet nearby
• Lower waste footprint than most RO or pitcher-style filters

👎 Cons

• Replacement filters run about $170/year for a family of five
• No flow indicator — you’ll need to track filter life manually

#6. SpringWell CF – Best Whole-House Pairing

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🔬 Tap Score Lab Results — 2022 Baseline vs. 2025 Post-Install

💡 Here’s the deal: We live in a PFAS-affected area and use a two-stage system: the SpringWell CF handles whole-home filtration, while a reverse osmosis unit (Cloud RO) under the sink covers drinking water. It’s a setup that’s worked reliably for us.

⚠️ Heads Up: SpringWell doesn’t list official PFAS certifications, but it does use catalytic carbon and KDF — the same media found in filters that have shown strong PFAS reduction in lab testing. We don’t rely on it alone for PFAS, but we like the added protection for things like showers and laundry.

👍 Pros

• Cleaner water at every tap — No more dry skin, cloudy dishes, or chlorine smell in the shower.
• Strong, steady pressure — We can run two showers and a dishwasher at the same time without a hitch.
• Install-friendly design — Not a plumber? You can still DIY with basic tools and half a day.
• Set it and forget it — No filters to constantly swap or electronics to fiddle with.
• Good PFAS coverage for a POE system — Not certified, but it uses the same media found in lab-tested filters.

👎 Cons

• Takes up space — It’s a tall tank, so make sure you’ve got room in the garage or utility area.
• No app or alerts — You’ll need to track sediment filter changes manually.
• No certified PFAS rating — The carbon media is strong, but it’s not lab-verified for PFOA/PFOS removal.

Read full review: SpringWell whole house water filter review

Buyer’s Guide

The government’s latest report on contamination is an eye-opener. According to the Environmental Protection Agency, it could be decades before your drinking water is safe.

If you’re one of the millions of Americans with “forever chemicals” in your water supply, the only real solution is a water filter. In this guide, you’ll find the expert guidance and product reviews you need to make a sound purchasing decision. We’re in your corner.

For definitive insights on persistent pollutants and other water contaminants, rely on EWG’s Tap Water Database. Simply input your zipcode for tailored, expert data.

What Are PFAS Chemicals?

“PFAS” is short for per- and polyfluoroalkyl substances. A revolutionary group of over 5000 man-made chemicals, they’re ubiquitous in a wide range of industrial, consumer and public safety products.

Developed in the 1930s, the strong carbon-fluorine bond in these chemicals makes them extremely durable, endowing products with water-, oil-, and stain-resistant properties.

These substances are found in:

• Fast food packaging
• Non-stick cookware
• Plastic bottles
• Carpets
• Upholstery
• Paint
• Ski wax
• Nail polish
• Deodorant
• Building materials
• Electrical wiring
• Batteries
• Fire-fighting foams
• Solar panels and more

How Does it Get into the Water Supply?

These chemicals are incredibly stable, resisting degradation for millennia. Unlike volatile organic compounds, they don’t easily evaporate. Instead, they travel through rainwater, seeping into soil, private wells, and public drinking water supplies.

Major sources of contamination include factories, landfills, and wastewater treatment facilities. Wastewater is especially problematic — most treatment plants don’t filter out these chemicals, allowing them to reenter water supplies used for irrigation. They contaminate biosolids, human waste used as fertilizer spreading pollutants to agricultural fields.

In a 2017 study, the Food and Drug Administration (FDA) confirmed that elevated levels of of these substances in fish, meats and even chocolate cake purchased at supermarkets on the Eastern seaboard. This is a global issue, making these chemicals nearly impossible to avoid.

Why Are These Chemicals Dangerous?

There are thousands of these chemicals, but to date, only a handful have been adequately studied. Initially, these substances were not expected to contribute to water pollution, catching researchers off guard.

Environmental science has advanced significantly since the risks of these contaminants were first identified in the late 1990s, but quality research takes time. Many questions still remain about the health effects and toxicity levels of specific chemicals across different age groups.

Those we’re aware of, however, are linked to a broad range of serious human health concerns. The worst offenders, PFOA and PFOS (perfluorooctanoic acid and perfluorooctane sulfonate) have largely been removed from the market but will continue to persist in soil and water for decades.

Supported by peer-reviewed studies, their effects may include:

• Low fertility
• Preeclampsia — pregnancy-related hypertension
• Stomach ulcers
• Developmental delays in children
• Low birth weight
• Accelerated puberty
• Behavioral disorders
• An increased risk of kidney, prostate and testicular cancers
• Hormone-related disorders
• Liver disease
• Impaired immune function
• High cholesterol and more

Do I Need a Water Filter That Removes These Chemicals?

The Environmental Protection Agency is taking strong action against contamination from these persistent chemicals. But according to the Environmental Working Group, a non-profit watchdog organization, the damage is already done. Testing shows that as many as a third of Americans drink tap water containing at least one of these substances.

In 2024, the EPA finalized the first legally enforceable Maximum Contaminant Levels (MCLs) for six PFAS compounds in drinking water, including PFOA and PFOS — setting limits at 4 parts per trillion. Water systems have until 2029 to comply. Until then, municipal suppliers are not required to have achieved those levels, and many systems are still assessing where they stand.

And while soil cleanup is underway in several states where contamination levels are high, it has yet to begin in most areas. Meanwhile, these dangerous chemicals that we know little about continue a slow creep into our water supplies.

As a consumer, it’s difficult to avoid exposure to these chemicals in soil, air, and food. However, you can significantly reduce your intake by ensuring your drinking water is clean. Even at very low concentrations, these substances can be toxic due to their cumulative health effects. Every step you take to minimize exposure counts — especially if you have kids.

The bottom line is that we have an unpredictable environmental crisis on our hands with no clear solution in sight, making a home filtration system the best protection for you and your family against toxic chemicals.

How to Test for PFAS in Water

Testing for these chemicals requires precision, as they are measured in parts per trillion. For accurate results, we recommend sending a water sample to a certified drinking water laboratory for analysis.

If you don’t have one nearby, try Simple Lab’s Tap Score Water Test. It covers 14 of the most common forever chemicals, including PFOA and PFOS.

The testing process is simple and affordable. Kits include everything you need. Just collect a sample of your well or city water and mail it to their laboratory in the postage-paid box provided. You’ll get results in about a week, including a list of steps to take next. It’s actionable information.

How To Choose

A drinking water filter should fit your needs, budget and lifestyle. We used these criteria to choose the top performing filtration options.

PFOA and PFOS Removal Capability

PFOA and PFOS are the two most common PFAS contaminants in water, so filters with the highest reduction ratings will naturally be more impactful — don’t settle for less than 90%. The filters on our list eliminate 99% or more.

Filtration Method	PFAS Removal	Benefits	Drawbacks
Activated Carbon	Moderate	Affordable, improves taste and odor, easy to install	May not catch all PFAS compounds, filters need replacement
Reverse Osmosis	High	Removes most PFAS and other contaminants, reliable performance	Higher upfront cost, produces wastewater, installation needed
Ion Exchange	High (for some PFAS)	Good for certain PFAS types, pairs well with other filters	Resin needs replacing regularly, system maintenance required

Filtration Method

There are two general types of water filters — point-of-entry (POE) filters, whole-house systems that purify water throughout your home — and point-of-use (POU) filters, such as under-sink filters and water filter pitchers, that treat small volumes of water for drinking and cooking.

Whole-house filters are plumbed into your incoming water line, so every drop from every tap is clean. It’s a comprehensive solution if you own your own home.

But POU water filters can be equally effective without breaking the bank. Petite and portable, they’re a great option for nomads and renters. If you’re on a budget, six of our seven top filters for removing harmful chemicals are point-of-use systems, starting as low as $90.

Build Quality

Price and build quality aren’t always synonymous. But, in general, you get what you pay for. The last thing you want is a water filter that leaks or cracks under pressure.

We look for quality plastics, thick gaskets and waterproof design elements that prevent leaks. A good warranty is a bonus. Flimsy filters made of inferior materials didn’t make the cut.

Flow Rate

A water filter’s flow rate is the maximum number of gallons it can process per minute. Rates vary based on the type of filter and the size of the fittings.

Flow rate is critical among whole-house filtration systems. If it’s too low, you’ll notice a significant drop in water pressure when more than one tap is in use. The industry average of 6-7 gpm is suitable for average-sized homes. But for large houses with four or more bathrooms, the higher the flow rate the better. For this list, we insisted on 9 gpm or more.

Flow rate also affects the performance of water filter pitchers and under-sink filters, like reverse osmosis systems. But the differences between models are negligible. Among POU filters, performance and quality matter more.

Filter Capacity

Filter capacity is how many gallons systems treat before filters need to be changed. A top-shelf whole-house filter can handle a million gallons or more between maintenance intervals, while a water filter pitcher treats just 50-100 gallons over one to three months between filter replacements.

When it comes to removing contaminants, capability is more important than capacity. However, high-capacity filters are generally more convenient. A whole-house water filter produces gallons of clean water with the twist of a handle. You might refill a water filter pitcher two, three, or even four times daily to meet your drinking water needs.

The price of replacement filters also affects your long-term cost of ownership. Maintenance intervals for whole-house filters vary from 3-12 months or more — 1-3 months for POU filters. Frequent cartridge changes add up over time, so always do the math before buying a water filter.

Installation & Maintenance

Whole-house water filters are straightforward to install, but they require permanent changes to your plumbing system. We recommend hiring a professional if you’re not comfortable cutting pipes. It’ll cost you, but you’re better safe than sorry.

Any homeowner can assemble a water filter pitcher or countertop filter. Reverse osmosis systems are slightly more challenging. But they take more time than skill to install, and you’ll save hundreds in plumber’s fees.

Maintenance chores are relatively simple for both POE and POU water filter systems. Manufacturers go out of their way to make them foolproof.

No matter which type of filter you choose, timely maintenance is essential. A clogged filter loses its effectiveness in removing contaminants. In fact, studies show that a poorly maintained activated carbon filter can actually increase the concentration of harmful substances in tap water. Therefore, it’s crucial to select a model that you can afford to maintain both in terms of time and money.

Certifications

The EPA regulates water safety under the US Safe Drinking Water Act. And some states, like California, set even stricter standards. But neither tests nor certifies water treatment systems. For that, we rely on the National Sanitation Foundation (NSF).

NSF-certified products are independently tested and guaranteed to:

• Be structurally sound
• Contain no hazardous materials
• Meet performance claims

It’s the best protection consumers have against manufacturers that overpromise and underdeliver.

Several NSF standards apply to drinking water treatment systems, including:

NSF 42

Standard 42 applies to filters that remove taste and odor impurities. Most activated carbon filters fall into this category.

NSF 53

Standard 53 addresses contaminant reduction claims for substances with known health effects, like lead.

NSF 58

Standard 58 applies only to reverse osmosis filters and evaluates contaminant reduction claims for EPA-regulated substances.

PFAS, however, are not yet regulated, so how do these standards apply?

From 2016 to mid-2021, filters designed to remove these chemicals were evaluated under a temporary standard, P473. Since then, new test methods have been approved and incorporated into the NSF 53 and 58 testing criteria. Some promotional materials may still reference P473 certification, which is fine. However, NSF 53 and 58 standards are now equally effective for assessing the removal of these contaminants.

Other Contaminants Present

Most filters designed to remove persistent chemicals also tackle other common drinking water contaminants, such as VOCs and heavy metals. However, some filters are more effective than others. If your water test results revealed multiple issues, it’s important to choose your filter carefully.

Among whole-house filters, those with regular activated carbon media remove 70%-90% of contaminants. Models equipped with catalytic carbon and KDF eliminate 99% or more of forever chemicals plus other contaminants, including heavy metals like lead. Neither, however, removes fluoride or total dissolved solids. There’s always give and take.

Among point-of-use filters, granular activated carbon and reverse osmosis systems both remove “forever chemicals.” But reverse osmosis filters are far more efficient. And while they also remove fluoride and other heavy metals, they virtually eliminate total dissolved solids — the natural minerals that give drinking water a refreshing quality.

Removing forever chemicals is important, but it shouldn’t come at the expense of taming more dangerous contaminants. The health risks increase with time, but they’re limited in the short term. Lead, however, can cause irreversible damage to the human body within months. Choosing a water filter is a balancing act.

Manufacturer Hype & User Experience

Manufacturers aren’t shy about hyping their filters. But there’s no substitute for the user experience, so we’ve examined customer feedback across dozens of websites to understand what’s most important to buyers.

We look for honest appraisals of quality and function from people who’ve owned a filter for at least six months. Most are remarkably fair. In general, positive reviews reflect satisfaction with a product’s performance as advertised. Nothing turns buyers off more than false or misleading claims.

We urge you to be cautious, however, when considering negative comments. Some folks are quick to leave dismal reviews because of issues that don’t reflect the quality of the product or the manufacturer, such as one-of snafus with the shipping company.

Others don’t do their due diligence when it comes to research. We weed out bad reviews from people who chose the wrong product in haste unless it was misrepresented by the company. Similarly, we look over owner manuals and installation instructions to see if “hard to install” criticisms are fair.

We set the bar high, however, for quality and customer service — so should you. Problems aren’t always the manufacturer’s fault, but how they deal with them reflects the service you can expect after the sale.

Best Value for The Money

Water filters with similar abilities may have vastly different price tags. It’s hard to know if you’re paying for valuable features or unnecessary bells and whistles.

Our selection process assigns more weight to performance, ease of installation and maintenance costs than convenience features. But no one filter is right for everyone. Lifestyles differ, so you need to consider what matters the most to you.

Frequently Asked Questions