What the Chemical Industry Doesn't Want You to Know About Your Drinking Water (And How to Protect Yourself Today)
What corporations knew, what regulators buried, and ten ways to protect yourself and your family today.
There is a dangerous chemical circulating in your blood right now, wreaking havoc with your health. The companies responsible for putting it there knew about the dangers fifty years ago. Instead of protecting us, they buried the evidence and kept selling. They kept profiting.
Now, PFAS, forever chemicals, are in 97% of Americans’ bloodstreams, including yours and the people you love.
This is what profit over people looks like in practice. And it’s exactly why I created Aware Trade.
Today, I’m going to explain what these chemicals are actually doing inside your body. I’m going to show you how these companies that manufactured them suppressed the evidence for decades. And I’m going to give you specific steps to reduce your exposure starting this week.
What PFAS Does to the Human Body
The term “forever chemicals” refers to the fact that PFAS do not break down in the environment or in the body. They accumulate in blood, organs, breast milk, and umbilical cord tissue. They are passed from mother to child before birth. They are present in the bloodstream of nearly everyone.
The health consequences of that accumulation are not theoretical. PFAS exposure is associated with immune suppression, a systemic dampening of the body’s ability to respond to infection and disease. It disrupts endocrine function, including thyroid hormone regulation, which affects metabolism, development, and mood. It has been linked to liver stress and altered lipid metabolism. It increases cardiovascular risk by altering cholesterol profiles. It is associated with increased risk of kidney and testicular cancer, with emerging evidence connecting it to thyroid and prostate cancer as well. And as the new research confirms, it impairs fetal development in ways that can be fatal even at relatively low exposure levels.
Regulators have not yet identified a level of PFAS exposure they consider safe. Every time science advances, the acceptable threshold moves lower, closer to zero. That trajectory is telling. When the scientific community keeps revising its safe exposure estimate downward, it is telling you something important about what the evidence actually shows.
What the Companies Knew and When
PFAS were developed in the 1940s and spent the next several decades being sold as an industrial miracle. Nonstick cookware. Waterproof clothing. Grease-resistant food packaging. Stain-proof carpets. Long-wear cosmetics. The applications multiplied because the chemistry was genuinely useful, and because the companies producing these chemicals had every financial incentive to expand their markets and none to scrutinize what they were doing to the people living inside them.
According to a 2023 analysis published in the Annals of Global Health, 3M (NYSE: MMM) and DuPont (NYSE: DD) had internal evidence of PFAS toxicity as early as the 1960s. Their own scientists documented organ damage in laboratory animals, bioaccumulation in human blood, contamination in the bloodstreams of workers, hormone disruption, and early cancer signals. This was not ambiguous preliminary data. It was internal science, conducted by the companies’ own researchers, pointing clearly at serious harm.
What happened next is the part that belongs in the same sentence as tobacco and leaded gasoline. The data was buried. Disclosure was delayed. Counter-studies were funded to manufacture doubt. Regulators were lobbied. Investors were reassured. The products kept selling.
By the time meaningful oversight began, roughly twenty years after the internal evidence was clear, PFAS had already contaminated soil, rivers, food systems, and drinking water supplies across the country. The contamination didn’t spread because of a regulatory gap that nobody noticed. It spread because closing that gap was not in the financial interest of the companies that would have had to do it.
Then came the accountability, or what passed for it.
Facing mounting litigation, DuPont restructured. It spun off its legacy PFAS liabilities into a new company called Chemours (NYSE: CC), which critics argued was a deliberate strategy to quarantine the financial exposure while the parent company moved on. Corteva (NYSE: CTVA), another DuPont spinoff, also carries residual PFAS liability. The contamination was not separated. The liability was. The communities bearing the human cost had no equivalent escape.
3M eventually agreed to pay up to $12.5 billion to resolve claims over PFAS-contaminated public water systems. DuPont and affiliated firms settled for approximately $1.2 billion. These settlements are framed as accountability. They are not justice. The money goes to water systems and not to the people whose bodies carried the contamination, not to the families of infants who didn’t survive, not to the women who miscarried or the workers whose blood was quietly monitored for decades while the products kept shipping.
Forever chemical pollution wasn’t a failure of the system. It was the system working exactly as designed for the people it was designed to serve.
Now read back through what PFAS is doing to your body. And remember that the companies responsible for putting it there knew. Decades ago. Before it was in your blood, your children’s blood, and the water you drink every day.
The Broader Story is About Power
The 2025 infant mortality study is devastating on its own terms. But it becomes something larger when you step back and look at the structure it reveals.
The U.S. regulatory system for chemicals does not require companies to prove safety before products reach the market. It requires that harm be demonstrated after the fact, ideally after it has become widespread enough to no longer be dismissed. Companies self-report risks. Regulators intervene when ignoring the evidence becomes politically untenable. The default posture is trust, and the mechanism for correcting that trust when it is abused is slow, expensive, and arrives long after the damage is done.
The settlements tell you everything you need to know about how the accounting works. 3M agreed to pay up to $12.5 billlion to resolve claims over contaminated public water systems. Dupont and affiliated firms settled for approximately $1.2 billion. These are framed as accountability. They are not justice.
The money goes to water systems. Not to the people whose bodies carried the contamination. Not to the families of the infants who didn’t survive. Not to the women who miscarried, the workers whose blood was quietly monitored for decades, or the communities whose medical debt will outlast the cleanup.
No settlement restores what was taken. But knowing how the system works, and who it works for, is where the power to change it begins.
Ten Ways to Protect Yourself (from a system that won’t)
The systemic nature of the PFAS problem is real and important to understand — but it does not make individual action meaningless. In fact, individual action operates on more levels than most people realize. What you filter, what you buy, what you cook with, and yes, what you invest in all of it sends a signal. Here is where to start.
Filter your water. Reverse osmosis systems are the most effective option for removing PFAS from drinking water. Activated carbon filters, including pitchers from brands like Brita and Pur, can also help if they are certified to NSF/ANSI Standard 53 or 58 for PFAS removal. Check the certification before you buy.
Find out what’s in your water. The Environmental Working Group maintains a tap water database at ewg.org/tapwater, where you can search by zip code and see what contaminants have been detected in your local supply and at what levels. If PFAS are present, contact your water authority and ask what treatment is planned and on what timeline.
Replace nonstick cookware. The coating on conventional nonstick pans is a primary source of PFAS exposure in the home. Stainless steel, cast iron, and PFAS-free ceramic are the alternatives worth switching to. You don’t have to replace everything at once. Start with whatever you use most.
Stop microwaving food in plastic. Heat accelerates the release of chemicals from plastic containers into food. Glass and ceramic are the straightforward alternatives.
Be deliberate about waterproof products. Rain jackets, outdoor gear, carpets, and upholstered furniture frequently contain PFAS coatings. When you’re replacing these items, look for PFAS-free alternatives. Waxed canvas, organic cotton, and leather work well for outerwear. A growing number of brands, including Patagonia, Eileen Fisher, and Houdini, have made public commitments to PFAS-free materials.
Choose food packaging carefully. PFAS appear in fast food wrappers, microwave popcorn bags, pizza boxes, sandwich wrappers, and many takeout containers. Brands like Whole Foods, Sweetgreen, and Chipotle have publicly committed to phasing out PFAS in packaging. Choosing these over conventional fast food options reduces your exposure meaningfully.
Check your personal care products. Waterproof mascara, long-wear foundations, and “HD” setting powders frequently contain PFAS. Look for PFAS-free labeling. The Environmental Working Group’s Skin Deep database is a useful resource for checking specific products.
Advocate where you live. Email your city council or water authority and ask directly: has our water been tested for PFAS? What treatment is in place or planned? Local officials respond when residents ask specific questions. You don’t need to be an activist to make this inquiry — you just need to be a ratepayer who expects answers.
Support Federal PFAS legislation. The EPA finalized its first-ever national drinking water standard for PFAS in 2024. But it’s already under threat from industry lobbying and regulatory rollback efforts. Contact your senators and representatives and tell them you support binding PFFAS limits in drinking water, mandatory cleanup funding, and producer liability. The Environmental Working Group maintains an action center where you can find current campaigns and contact your representatives directly. The industry spends tens of millions lobbying against these protections every year. A five-minute email from a constituent costs them nothing to ignore. Until enough people send one.
Check your investments. If you own shares in 3M (NYSE: MMM) or DuPont (NYSE: DD), Chemours (NYSE: CC), or Corveta (NYSE: CTVA) directly or through index funds and ETFs, you may be a partial beneficiary of the profits generated while these companies contaminated the water supply and suppressed the evidence. Tools like As You Sow allow you to screen your portfolio for PFAS-linked companies. PFAS-free and ESG-screened ETFs are increasingly available as alternatives. Voting with your dollars applies to your investment account as much as it does to your grocery cart.
Why I Built Aware Trade
The drive for short-term profit is making us sick, hollowing out communities, and pushing the planet toward consequences we are only beginning to understand.
This is not an accident. It is the logical outcome of a system that has normalized the exploitation of people, animals, and natural resources in the name of earnings that benefit an increasingly narrow slice of humanity.
We are all paying the price. Most of us just weren’t told that’s what was happening.
Aware Trade exists to change that.
We believe markets respond to what we reward. We believe that where you spend your money is one of the most direct levers available for reshaping what the market produces. We believe that an informed consumer is the most powerful force available against a system that depends on your confusion to survive.
Every dollar is a signal. Every purchase is a vote. Every time you choose differently — more deliberately, more consciously, more aligned with your actual values — you send a signal the market cannot ignore forever.
This is not naive optimism. This is how systems change.
We investigate. We translate. We equip. And we believe that when enough people wake up to what’s actually in their food, their water, their homes, and their investment accounts, the world the corporations built starts to look a little less inevitable.
Awareness isn’t passive. It’s self-defense.
And it starts here.

