How to Remove PFAS from Drinking Water

What Actually Works (and What to Look For)

What Are PFAS and Why People Are Paying Attention

PFAS (per- and polyfluoroalkyl substances) are often called “forever chemicals” because they do not break down over time.

They have been used for decades in products designed to resist heat, water, and oil. Things like cookware, food packaging, and stain-resistant materials. Today, they are showing up more often in drinking water across the U.S.

For most households, tap water is one of the most consistent ways exposure can happen.

Source: EPA – Reducing PFAS in Your Drinking Water with a Home Filter

Why PFAS Have Become a Priority

What makes PFAS different is persistence.

They do not simply pass through your system. They can build up over time. Even small amounts, when consumed daily, become more meaningful.

That is why the EPA and other organizations have tightened guidance. It is also why more homeowners are taking a closer look at their water instead of assuming it is fine.

For families who want confidence in what they are drinking, this is becoming something to solve.

Source: EPA – Health and Environmental Risks from PFAS

Why PFAS Are Difficult to Remove

PFAS were engineered to be extremely durable. That durability is what makes them hard to filter out.

Many basic filtration systems are not designed to handle these contaminants. If PFAS is your concern, the type of system you choose matters more than anything else.

Source: ITRC – PFAS Treatment Technologies

What Actually Works

Reverse Osmosis (RO)

Reverse osmosis is widely recognized as one of the most effective methods for reducing PFAS.

It works by pushing water through a membrane that removes contaminants at a very fine level, including dissolved PFAS.

Source: EPA – Identifying Filters Certified to Reduce PFAS

• Best for: Homeowners who want the highest level of protection
• Families focused on long-term water quality

Advanced Carbon Filtration

High-quality carbon filtration can also reduce PFAS when properly designed and maintained.

The key is not just having a carbon filter, but having one that is certified for this purpose.

Source: EPA – PFAS Treatment Technologies

• Best for: Simpler upgrades
• Faster installation
• Renters or non-permanent setups

Ion Exchange

Ion exchange is used in some systems to target specific contaminants, including PFAS.

Source: ITRC – PFAS Treatment Technologies

What to Look For in a PFAS Filter

Look for NSF Certification

Start by checking whether the system is certified to the NSF/ANSI 53 or 58 standards. This means the system has been independently tested to reduce specific contaminants.

Make Sure PFAS Is Included

Check that the certification specifically includes:

• PFOA reduction
• PFOS reduction

Source: Penn State Extension – PFAS Water Treatment

A Practical Way to Reduce PFAS at Home

For most households, the best place to focus is the water you drink and cook with.

• Target the highest-impact use
• Improve both safety and taste
• Keep the solution simple

Source: EWG – PFAS in Drinking Water