Everything You Need To Know About PFAS in Drinking Water (2023)

Perfluoroalkyl and poly-fluoroalkyl substances (PFAS) are a family of toxic chemicals that accumulate in the environment and living organisms, earning them the nickname “forever chemicals.”

At this time, cancer-linked PFAS are legally allowed to pollute public drinking water supplies in the United States. Testing for these chemicals is not required, nor is removal. Yet, PFAS have been detected in all 50 states, and experts estimate 200 million Americans drink (and use) tap water contaminated with toxic PFAS daily. Given the lack of testing and regulations, that’s likely a conservative estimate.

On June 15th, 2022, the U.S. Environmental Protection Agency (EPA) released an alarming advisory warning that several PFAS are far more toxic than previously thought and pose severe health risks in water, even at tiny, “near-zero” levels (we’ve summarized that advisory here). The advisory shrunk existing tap water recommendations for two specific PFAS, PFOA and PFOS, to almost zero, indicating these chemicals are dangerous at virtually any level in tap water. The advisory also introduced recommendations for two additional PFAS, GenX and PFBS, indicating both chemicals pose similar and serious dangers to human health in water.

However, that advisory only offers recommendations, not regulations. Therefore, nothing in the advisory can be enforced by law. Meaning PFAS continue to legally poison our public drinking water supplies in all 50 states at this very moment, and without us even recognizing it.

In this article, we’ll take a deep dive into PFAS chemicals to learn more about what they are, their prevalence, associated health risks, and ways to limit your daily exposure.

Please note: As new information is released, this guide will be updated with the latest information, advisories, and data regarding PFAS in public drinking water supplies.

Guide last updated 3/23/23.

Table Of Contents

  • What are PFAS?
  • What are PFOA & PFOS?
  • What are GenX & PFBS?
  • The history of PFAS
  • Why are PFAS called “Forever Chemicals”?
  • What makes PFAS dangerous?
  • What are the health concerns with PFAS?
  • How do PFAS get in our water?
  • Is your water contaminated?
  • Latest news and recommendations
  • How to protect yourself

What Are PFAS?

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PFAS are a family of more than 9,000 toxic man-made chemicals that can’t be seen, smelled, or tasted. Even without required testing, multiple PFAS have been found in public water supplies (i.e., tap water) from coast to coast and have been linked to cancer, congenital disabilities, thyroid issues, and other health effects (more on that later). Plus, PFAS are nearly indestructible, as they can survive and accumulate in our environment and “build up” in our blood for decades. Unfortunately, this is precisely what is happening right now throughout the United States (and beyond our borders), as studies show more than 98% of the U.S. population already have detectable PFAS concentrations in their blood.

PFOA & PFOS Plaguing Public Water Supplies

Perfluorooctanoic acid (PFOA) and perfluorooctane sulfonic acid (PFOS) are two of the most researched and prevalent members of the PFAS family. PFOA, also known as C8, was originally the infamous chemical in Teflon products due to its non-stick properties. And it is still used in many consumer goods today. PFOS, on the other hand, became prevalent in our environment (and water supplies) due to its use in firefighting foam. These chemicals can still be found in food, clothing, furniture, and everyday products (more on that in a minute).

What Are GenX and PFBS?

Like PFOA and PFOS, GenX and PFBS (perfluorobutanesulfonic acid) are two additional types of PFAS. GenX and PFBS were created as alternatives to PFOA and PFOS to replace their toxic predecessors. However, a report from the U.S. EPA confirmed these chemicals are toxic, too. GenX is associated with harmful effects on the kidney, blood, immune system, liver, and development and is linked to elevated cancer risk. Meanwhile, PFBS is associated with detrimental effects on the thyroid, kidney, reproduction, and development.

PFASShocking Origin

Everything You Need To Know About PFAS in Drinking Water (2)

Scientists in the 1930s accidentally engineered PFAS. They found the chemicals virtually indestructible and were delighted to realize they could prevent and even repel food, oil, grease, dirt, moisture, and more from sticking to surfaces. Plus, they were heat-resistant. For those reasons, PFAS lurking in our public water supplies today, like PFOA, were initially used to coat tanks and military instruments to protect them from the elements. They were even used in the Manhattan Project to build the first atomic bomb. Does that sound like something safe to drink?

PFAS Are Used In Everyday Consumer Products

Shortly after they were engineered, chemical companies like 3M and DuPont began using PFAS in consumer goods. For example, PFOA, perhaps the most notorious PFAS, was used in non-stick cookware under the brand name Teflon. Another common PFAS, PFOS, was (and is) used in firefighting foam. Today, PFAS are found in all kinds of consumer goods, from carpet and fabric to food packaging, household cleaning agents, and clothing. Almost anything that is water-repellent or stain-resistant, from sleeping bags, ski wax, and boots to certain electronics, pesticides, and makeup, may contain PFAS.

PFAS Are Called “Forever Chemicals”

The bottom line is, PFAS can stay and accumulate in our body, blood, and environment for dozens, hundreds, and even thousands of years.

Given their widespread usage, studies show more than 98% of the U.S. population already have PFAS in their blood, at varying levels—a clear and damning indication of a widespread problem that still lacks widespread solutions.

That’s why “Forever chemicals” is just one nickname for this dangerous family of chemicals. The other name? “Ticking time bombs” because they can accumulate (i.e., increase) over time and cause severe health effects years after initial exposure. According to scientists, once they’re in your body, they cannot be removed. In other words, PFAS levels only “build up” with more exposure. You can think of it like this: PFAS are “shockingly toxic” man-made chemicals that man probably can’t get rid of. And just by drinking tap water, you may be ingesting even more of them daily.

A Dangerous Combination Of Toxicity & Longevity

Today PFAS are found in our drinking water, food supply, and household products. While companies like DuPont, 3M, and others have stopped using PFOA and PFOS for manufacturing, they’re still in our soil, water, air, and homes—and given their longevity, they will be for the foreseeable future. Plus, as our exposure increases, PFAS build up in our bodies and can ultimately lead to the severe health effects outlined below.

PFAS Are Linked To MultipleAdverse Effects

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Multiple studies, including the largest epidemiological study ever in human history, found links between PFAS and the following adverse and alarming health effects: Thyroid disease, high cholesterol, heart / cardiovascular issues, ulcerative colitis (IBD), liver damage, liver tumors, kidney and testicular cancer, weakened immune system, irritable bowel syndrome (IBS), hormone imbalance, DNA damage, increased risk and severity of COVID 19 symptoms, and more.

Additional Dangers To Women & Children

Everything You Need To Know About PFAS in Drinking Water (4)

PFAS exposure can be particularly dangerous to pregnant women, infants, and children. Here are just a handful of additional health effects linked to PFAS: skeletal variations (congenital disabilities), low birth weight, decreased response to vaccines, increased likelihood of miscarriage, high blood pressure, preeclampsia during pregnancy, babies exposed prenatally can have a higher risk of experiencing obesity, early-onset puberty, and reduced fertility later in life, plus, other developmental issues.

How Do PFAS Get Into Our Public Water Supplies?

PFAS pollution is often linked to nearby industrial sites, landfills, airports, and military bases where the chemicals are used or have been used.

Not only are PFAS nearly indestructible, but they are also mobile.

The negative impacts on environmental health and the health of those living in contaminated areas are vast and far-reaching. PFAS sink into the soil and migrate into groundwater and aquifers. They sneak into surface water like streams, rivers, and reservoirs via run-off. And they can remain in public water supplies even after the water has been treated. No matter where, when, or how they are used or released, PFAS can thrive for years, if not decades, and eventually travel miles to poison water supplies and systems that provide drinking water to our homes, schools, and communities.

Contamination Is Widespread & Coated In Controversy

PFAS have been detected in soil and water all over the planet and in our blood. Why? Because contamination is virtually everywhere. Scientists have found almost 42,000 potential sources of PFAS that could pollute our water supplies here in the U.S. Even worse, an EWG analysis shows more than 43 million Americans (and up to 200 million Americans, which is more than half of the population) are now served water that exceeds the latest EPA recommendations for PFAS levels. Think about that: Those numbers are only based on existing data available to us, which isn’t much given that testing isn’t required. In other words, contamination is rampant, and that’s based on limited data and what could be conservative estimates.

Recent examples of PFAS contamination here in the United States:

  • Between 1951 and 2003, almost 800 tons of PFOA were discharged by DuPont in the 981-mile Ohio River that flows through six U.S. states. This severely contaminated water was served to tens of thousands of Americans. And documentation uncovered by lawyers shows DuPont knew PFOA, the non-stick chemical in Teflon products, was dangerous (and even deadly) to humans. The events surrounding this inspired the 2019 award-winning film ‘Dark Waters’ starring Mark Ruffalo. You can read more about this catastrophe here. And while DuPont (and other U.S. manufacturers) have phased out PFOA and PFOS since, the poison still persists in our water supplies. In 2021, researchers detected multiple PFAS in the Ohio River in all 20 sites studied.
  • Lead wasn’t the only contaminant poisoning residents in Flint, as well as the entire state of Michigan. PFAS were the “other” contaminants in the state’s notorious water crisis. PFAS have been detected at more than 11,000 sites around Michigan. And according to the Michigan Department of Environment, Great Lakes, and Energy, more than 1.5 million residents have been drinking water contaminated with PFAS.
  • A water treatment facility serving more than 60,000 residents in Arizona’s second most-populous city, Tucson, shut down in 2021 because officials found PFAS at more than 143x above recommended EPA levels at the time. Tucson’s water director issued a grave warning: “We know the contamination is out there … (and) we know it’s not going away.”
  • PFAS have been detected or suspected at 679 military sites stretching from California to New York. And the Department of Defense recently revealed water supplies around at least 12 military bases have “shockingly high” levels of PFAS.
  • At time of publication, many concerning clusters of drinking water contamination have been reported in major metropolitan areas including New York, Boston, Philadelphia, San Francisco, and Los Angeles. Meanwhile, entire states including Michigan, Alabama, North Carolina, South Carolina, Massachusetts, and several more appear to be battling contamination almost everywhere.

PFAS, PFOA, & PFOS Are Legally PollutingWater Supplies In All 50 States

Everything You Need To Know About PFAS in Drinking Water (5)

There is no national EPA regulation for PFAS in public water supplies.

In other words, PFAS can (and do) legally pollute our public water supplies. Currently, the EPA doesn’t even require public water suppliers to test for them. Meaning the problem is probably far worse than we realize.

Plus, filters at most water treatment facilities around the U.S. are not designed to remove PFAS. So if polluted water arrives, it still leaves polluted with PFAS and pours these chemicals into our homes, schools, and communities. In lieu of federal regulations, some states have instituted or proposed their own limits on PFAS in drinking water. But even experts in those states admit that the problem will persist without federal action.

Given their danger, you may be wondering why PFAS are still legally allowed in drinking water. Under the 1976 Toxic Substances Control Act, the EPA can require testing for chemicals only when they’ve been provided evidence of potential harm. Essentially, chemical companies can regulate themselves. That’s why PFAS, in particular, has such a controversial history. We, as American citizens, have to prove chemicals are toxic before they can even be tested for, then considered for regulation. And regulation can take years, decades, and even lifetimes to be instituted if instituted at all. Unfortunately, we are watching this happen in real time with PFAS.

The EPA’s Current Recommendations

Due to emerging data on adverse health effects, the U.S. EPA invoked new recommended limits for PFAS in 2016. These recommendations established health advisory levels at 70 parts per trillion for PFOA and PFOS in drinking water. But remember, these were only recommendations, not regulations.

On June 15th, 2022, the EPA “rushed’ to release an advisory with new, more robust recommendations revealing these chemicals are far more dangerous in water than once thought.

They are even dangerous at “near-zero” levels.

And they added recommendations for two additional PFAS, PFBS and GenX. The bottom line is that the latest science showed previous recommendations set in 2016 were not nearly strong enough to protect public health, and PFAS of all kinds, even at surprisingly low levels, can hurt us. Yet without required testing, we can’t even take the first step to abide by them. And without required removal, we must question our safety.

The June 2022 advisory established the following interim recommendations:

Everything You Need To Know About PFAS in Drinking Water (6)

  • PFOA: Reduced from 70 parts per trillion to just .004 parts per trillion (ppt).
  • PFOS: Reduced from 70 ppt to just .02 ppt.
  • PFBS: 2,000 ppt.
  • GenX: 10 ppt.

Remember, these are just recommendations, not regulations. Testing isn’t even required. And these recommendations can’t be enforced by law, so they are easy (and completely legal) to ignore.

New And Alternative PFAS Lack Regulations, Too

As mentioned earlier, there are thousands of PFAS. And because they are man-made chemicals, new ones can be engineered anytime.

As of right now, none are regulated in our drinking water.

While recommendations have been established for the four PFAS mentioned above, what about the thousands of others? And what about any new PFAS? Remember, GenX and PFBS were created as replacements for PFOA and PFOS, and both have been shown to be nearly as dangerous as their predecessors. As you can see, recommendations aren’t enough to protect us. Overseeing specific PFAS, rather than all PFAS, leaves room for new dangers.

What’s Next?

There Is No Simple Or Fast Fix

The EPA expects to propose the first-ever national drinking water regulations for PFOA and PFOS, with a final rule expected in 2023. If regulations were approved and instituted, they would be enforceable by law. The problem is, even with regulations, the vast majority of today’s water treatment centers do not have the technology and resources to effectively test for, let alone remove, PFAS from water supplies. And given the nature of the advisory, most experts agree: This is likely just the tip of the iceberg.

This concern has spread to the White House, as the government has said it will make $1 billion in grants available to utilities to help them address PFAS levels. But even with potential regulations and government funding, questions remain: Will the EPA’s regulations be strong enough to protect us? Is $1B sufficient to fund this seismic change? How long will the transition take? Will it be measured in months, years, or decades? What about GenX and PFBS? And what about other PFAS being engineered today? When and how will we be required and equipped to test and remove these toxic chemicals from our public water supplies?

How To Protect Yourself From PFASIn Drinking Water

Typical water filters produced by leading retailers do not filter PFAS from your drinking water. Even drinking bottled water may not be enough, considering many bottling companies just bottle tap water. To protect yourself from these poisonous chemicals proactively, the best thing you can do is filter your water with a filtration system certified to filter PFAS. “Certification” is third-party proof that any filter does as it promises.

Clearly Filtered Is Certified To Reduce PFAS

Our pitcher filter is the one and only pitcher filter certified by the prestigious Water Quality Association to remove up to 99.5% PFAS from drinking water. In addition, our breakthrough technology has been tested and proven to reduce nine different types of PFAS, including PFOA, PFOS, GenX, and PFBS, to guarantee your protection.

The bottom line is the PFAS already in our soil, air, and water probably aren’t going anywhere. Nor are the PFAS in our blood. But you don’t need to wait for a solution. And you shouldn’t. Protect yourself (and your loved ones) from the dangers of PFAS right now with our breakthrough pitcher filter.

Everything You Need To Know About PFAS in Drinking Water (7)


Everything You Need To Know About PFAS in Drinking Water? ›

Sources of contamination include not only industrial and manufacturing facilities, but landfills where PFAS have leached into groundwater, and places where PFAS-based firefighting foam AFFF has been used such as airports, military sites, chemical plants, and aboveground petroleum storage facilities.

What are the dangers of PFAS in drinking water? ›

Exposure to high levels of PFAS in contaminated drinking water may result in the following health effects:
  • Increased cholesterol levels.
  • Changes in liver enzymes.
  • Hormone disruption and increased risk for thyroid disease.
  • Decreased odds of women becoming pregnant.
  • High blood pressure or pre-eclampsia during pregnancy.

What are the most common PFAS in drinking water? ›

Also known as: PFAS

The most common types are PFOA (perfluorooctanoic acid) and PFOS (perfluorooctanoic sulfonic acid).

How do I know if my drinking water has PFAS? ›

If you are concerned about PFOA, PFOS, GenX chemicals, or PFBS in your drinking water, you can contact your local water utility to learn more about your drinking water and to see whether they have monitoring data or can provide any specific recommendations for your community.

What do I need to know about PFAS? ›

PFAS are man-made chemicals that have been used in industry and consumer products worldwide since the 1940s. They have been used to make nonstick cookware, water-repellent clothing, stain resistant fabrics and carpets, some cosmetics, some firefighting foams, and products that resist grease, water, and oil.

Do Brita filters remove PFAS? ›

Common water pitcher brands like Brita and Pur are perfectly fine if you want to reduce bad-tasting chlorine and contaminants like heavy metals. But they weren't designed to remove PFAS or even reduce their concentration in your tap water.

Is it OK to shower in water with PFAS? ›

It is safe to shower and bathe in PFAS-contaminated water. Neither routine showering or bathing are a significant source of exposure. Studies have shown very limited absorption of PFAS through the skin.

What states have the worst PFAS? ›

South Carolina has one of the highest levels of PFAS, or “forever chemical,” contamination in the nation. Source water, soil, fish and food grown near places that use or manufacture PFAS have been found to contain PFAS at levels that are toxic to humans and animals.

Is bottled water free of PFAS? ›

Does bottled water contain PFAS? PFAS have been found in some brands of bottled water. The Food and Drug Administration (FDA) has not put enforceable limits in place yet.

What states have the highest PFAS? ›

Michigan has the highest levels of PFAS in the U.S.

What bottled water brands have PFAS? ›

Sparkling Water Brands That Contain High Levels of PFAs
  • Topo Chico PFAS (9.76 ppt)
  • Polar Natural Seltzer Water PFAS (6.41 ppt)
  • Bubly Sparkling Water PFAS (2.24 ppt)
  • Poland Spring Sparkling Water PFAS (1.66 ppt)
  • Canada Dry Sparkling Seltzer Water PFAS (1.24 ppt)
  • LaCroix Natural Sparkling Water PFAS (1.16 ppt)
Mar 15, 2023

Is bottled water tested for PFAS? ›

Currently, there are no U.S. Food and Drug Administration (FDA) Standards of Quality (SOQs) or testing requirements for per- and polyfluoroalkyl substances (PFAS) in bottled water.

What cities have the most PFAS? ›

Some of the highest PFAS levels detected were in samples from major metropolitan areas, including Miami, Philadelphia, New Orleans and the northern New Jersey suburbs of New York City.

How do you detox your body from PFAS? ›

Currently, there are no definitive medical procedures that can clear PFAS (per- and polyfluoroalkyl substances) from the body, according to the Secretary of the United States Navy. However, the best step you can take is to remove the source of the exposure from your environment.

What foods are high in PFAS? ›

Although the evidence is not as strong as for fish and shellfish, Eick said eggs, certain kinds of meat, especially liver and other organ meats and dairy products have also been found to have higher levels of longer chain PFAS in particular. EU scientists have also warned that fruit can contain elevated levels of PFAS.

What cancers are caused by PFAS? ›

Non-Hodgkin Lymphoma and Thyroid Cancer.

Does boiling water remove PFAS? ›

Does boiling water remove PFAS? No, boiling water does not remove PFAS. In fact, heat does not break down PFAS, and instead concentrates the chemicals and renders them more dangerous if ingested.

Does my refrigerator water filter remove PFAS? ›

Based on these studies, there currently are three general types of filtration systems that can potentially can reduce PFAS levels in water, if properly maintained: granulated activated carbon – either in refrigerator, faucet, or pitcher filters and some filtration systems installed on your water line; reverse osmosis; ...

What water filtration system removes PFAS? ›

Both granular activated carbon (GAC) and reverse osmosis (RO) filters can reduce PFAS substances. Both systems provide less water flow than a standard water faucet.

What can destroy PFAS? ›

On Thursday, researchers at Northwestern University published a study showing that PFAS can be destroyed using two relatively harmless chemicals: sodium hydroxide or lye, a chemical used to make soap, and dimethyl sulfoxide, a chemical approved as a medication for bladder pain syndrome.

How long does it take for PFAS to leave your body? ›

Also, if PFAS come in contact with skin, it is possible that a small amount may enter the body through your skin. stay in the body for many years. It takes nearly four years for the level in the body to go down by half. PFAS leave the body mainly through urine.

Is distilled water free of PFAS? ›

Distillation is very effective at removing PFAS from drinking water. It can remove more than 99% of PFAS, even to the part-per-trillion level. Several distillation treatment units are NSF certified. Distillation is recognized by the EPA as the most effective method for removing PFAS from drinking water.

Who has best tap water in United States? ›

#StateWater Quality Regulation Violations
2District of Columbia7
47 more rows

What are the top 5 PFAS? ›

The fund category recorded an average return of 5.06% in the first half of the year.
  • Third Position: Oak Pensions. ...
  • Second Position: ARM Pension Managers. ...
  • First Position: Stanbic IBTC Pension Managers. ...
  • Third Position: Premium Pension. ...
  • Second Position: Leadway Pensure PFA. ...
  • First Position: Pensions Alliance Limited.
Jul 18, 2022

What is the biggest exposure to PFAS? ›

Most people are exposed to PFAS from drinking water and eating food that contains these chemicals.

What is the safest brand of bottled water to drink? ›

The added chemicals and filtration systems used ultimately affect how the water tastes and its final pH level. The study concluded that four (yes, only four) bottled water brands have a pH and fluoride level completely safe for your teeth: Fiji, “Just Water,” Deer Park Natural Spring Water, and Evamor.

Are PFAS in plastic bags? ›

There have been no studies linking Ziploc bags to PFAS (per- and polyfluoroalkyl substances). Ziploc and other sandwich bags are often made of low-density polyethylene (LDPE), which has been shown not to contain PFAS, but these bags could be contaminated in manufacturing.

Why not to drink bottled water? ›

Why is bottled water bad for you? Bottled water is laced with harmful chemicals such as phthalates which have been linked to an increased risk of cancer. Additionally, plastic bottles contain BPA which has been linked to various reproductive issues.

Which states have forever chemicals in water? ›

PFAS were detected in public and private drinking water wells in Alabama, Florida, Georgia, Illinois, Indiana, Kentucky, Massachusetts, Maine, Mississippi, New Hampshire, Ohio, Pennsylvania, Rhode Island, South Carolina, Tennessee and West Virginia.

Does Teflon still have PFAS? ›

Which products contain PFAS? PFAS chemicals are perhaps best-known for their use in nonstick cookware. The Teflon brand revolutionized such products, but the use of PFAS is widespread across many nonstick cookware brands. PFAS are also often behind any product that boasts waterproof or stain-resistant properties.

Is there a list of PFAS? ›

There are three PFAS lists, which encompass EPA's entire PFAS Chemical Library. These lists are published on EPA's Computational Toxicology Chemicals Dashboard.

What brands of bottled water are PFAS free? ›

1. Bottled Waters – The Best
BottlerBrandTotal PFAS (ppt)
PrimoPurified WaterNon Detect
PurAquaNon Detect
Pure NZArtesian WaterNon Detect
RefresheSpring WaterNon Detect
19 more rows

What soda water brands are PFAS free? ›

Waiākea Hawaiian Volcanic Water has no PFAS in any of its products, including its sparkling and non-carbonated water. In fact, Waiākea is one of few bottled water brands to have no detectable (ND) levels of PFAS in its still or sparkling water. This is likely due to the nature and location of Waiākea's source.

Do glass bottles contain PFAS? ›

Of the seven types of bottled water containers tested, plastic had the highest amount of PFAS present. In particular, the bottle made from recycled plastic showed by far the highest amount of PFAS. Glass and cardboard bottles had no detectable PFAS levels.

What is the purest water to drink? ›

Distilled water is the PUREST drinking water possible.

Tap water is loaded with many types of suspended pollutants, chemicals, toxins and other contaminants. Bottled water is usually plain tap water that has been minimally filtered to get rid of the bad odor and taste.

How do I avoid PFAS? ›

Reduce Use of Products that Contain PFAS
  1. Check product labels for ingredients that include the words "fluoro" or "perfluoro."
  2. Be aware of packaging for foods that contain grease-repellent coatings. ...
  3. Avoid stain-resistance treatments. ...
  4. Avoid or reduce use of non-stick cookware.

Are PFAS in plastic bottles? ›

In a new study published in Environmental Science and Technology Letters, fluorinated high-density polyethylene (HDPE) plastic containers — used for household cleaners, pesticides, personal care products and, potentially, food packaging — tested positive for PFAS.

Who is most at risk for PFAS? ›

Certain Adults and Children May Have Higher Exposure to PFAS

Pregnant and lactating women tend to drink more water per pound of body weight than the average person and as a result they may have higher PFAS exposure compared to other people if it is present in their drinking water.

Which locations in the US are notorious for their elevated environmental PFAS locations? ›

Michigan is by far the most impacted by PFAS contamination, followed by California and New Jersey. Toxic chemicals found in nonstick cooking pans and other household items have contaminated more than 600 water sources across at least 43 states, according to a new report, with Michigan by far the most impacted.

What percentage of Americans have PFAS in their body? ›

One report by the Centers for Disease Control and Prevention, using data from the National Health and Nutrition Examination Survey (NHANES), found PFAS in the blood of 97% of Americans.

What does PFAS do to your body? ›

A growing body of science has found that there are potential adverse health impacts associated with PFAS exposure, including liver damage, thyroid disease, decreased fertility, high cholesterol, obesity, hormone suppression and cancer. These chemicals can easily migrate into the air, dust, food, soil and water.

Does bottled water contain PFAS? ›

Does bottled water contain PFAS? PFAS have been found in some brands of bottled water. The Food and Drug Administration (FDA) has not put enforceable limits in place yet.

Does all tap water have PFAS? ›

Based on our tests and new academic research that found PFAS widespread in rainwater , EWG scientists now believe PFAS is likely detectable in all major water supplies in the U.S., almost certainly in all that use surface water.

Do Ziploc bags contain PFAS? ›

Although Ziploc bags do not contain PFAS, many other products and substances you come in contact with daily, like foods and liquids, may be contaminated.

Do water filters remove PFAS? ›

Filters containing activated carbon or reverse osmosis membranes have been shown to be effective at removing PFAS from water supplies. All water treatment units require regular maintenance to work properly. Water treatment units that are not properly maintained will lose their effectiveness over time.

How long does it take PFAS to leave the body? ›

stay in the body for many years. It takes nearly four years for the level in the body to go down by half. PFAS leave the body mainly through urine.

What states have the most PFAS in water? ›

Michigan has the highest levels of PFAS in the U.S.

What destroys PFAS? ›

On Thursday, researchers at Northwestern University published a study showing that PFAS can be destroyed using two relatively harmless chemicals: sodium hydroxide or lye, a chemical used to make soap, and dimethyl sulfoxide, a chemical approved as a medication for bladder pain syndrome.

How do I know if I have PFAS in my body? ›

A blood test for PFAS can tell you what your levels are at the time the blood was drawn, but not whether levels in your body are “safe” or “unsafe.” Most people in the U.S. have measurable amounts of PFAS in their body because PFAS chemicals are commonly used in commercial and industrial products.

What supplements remove PFAS from body? ›

Adding in additional supplements like glutathione, Vitamin C, and Vitamin D can also give your immune system a hand in filtering out and eliminating these toxins.


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