Updated for 2026 Regulations

PFAS Guide 2026

Understanding forever chemicals, current regulations, and how to protect your family from PFAS contamination.

What are PFAS (Forever Chemicals)?

PFAS (Per- and polyfluoroalkyl substances) are a group of over 12,000 synthetic chemicals that have been manufactured since the 1940s. They're called "forever chemicals" because they don't break down naturally in the environment or the human body.

Common Sources

  • Non-stick cookware (Teflon)
  • Firefighting foam (AFFF)
  • Stain-resistant fabrics
  • Food packaging
  • Industrial discharge

Key PFAS Compounds

  • PFOA - Perfluorooctanoic acid
  • PFOS - Perfluorooctane sulfonate
  • PFNA - Perfluorononanoic acid
  • PFHxS - Perfluorohexane sulfonate
  • GenX - Replacement compounds

Health Concerns

Research has linked PFAS exposure to numerous health effects. The EPA and health organizations have identified the following concerns:

  • Increased cholesterol levels
  • Thyroid disease
  • Immune system effects
  • Liver damage
  • Kidney cancer
  • Testicular cancer
  • Developmental effects
  • Pregnancy complications

2026 PFAS Regulatory Timeline

The EPA has established enforceable limits for certain PFAS in drinking water. Here's the current regulatory landscape:

EPA Maximum Contaminant Levels (MCLs)

Final Rule 2024
PFOA4 parts per trillion (ppt)
PFOS4 parts per trillion (ppt)
PFNA, PFHxS, HFPO-DA (GenX)10 ppt each
Mixture of 4+ PFASHazard Index of 1

Compliance Timeline

  • 2024: EPA final rule published
  • 2027: Public water systems must complete initial monitoring
  • 2029: Systems must comply with MCLs

Important Note

Many water utilities are still testing and may not yet be treating for PFAS. Home filtration provides immediate protection while utilities work toward compliance.

Effective PFAS Removal Methods

Not all water filters remove PFAS effectively. The following technologies have been proven to reduce PFAS:

Most Effective

  • Granular Activated Carbon (GAC)
  • Ion Exchange Resins
  • Reverse Osmosis (RO)
  • Nanofiltration

Less Effective

  • -Standard carbon pitchers
  • -Boiling water
  • -UV treatment alone
  • -Standard softeners

Important: Look for filters certified to NSF/ANSI P473 for PFOA and PFOS reduction. Not all filters claiming PFAS removal have been independently tested.

PureFlow System PFAS Solutions

PureFlow System offers comprehensive water treatment that can be configured to address PFAS concerns:

  • Multi-stage filtration including activated carbon
  • Optional PFAS-specific filtration modules
  • Whole-home protection at point of entry
  • Free water testing consultation

Note: PureFlow System is pursuing NSF/ANSI P473 certification for PFAS reduction. Contact us for current testing data and recommended configurations for PFAS concerns.

PFAS Resources

Learn more about PFAS from these authoritative sources:

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