If you’ve been following discussions around water quality in Australia, you’ve likely come across one term repeatedly: PFAS.
With increasing media attention, tighter regulatory oversight, and nationwide testing, more Australians are asking:
Do whole house water filters remove PFAS effectively?
At My Water Filter, this is one of the most common questions we receive, and it’s a critical one for households concerned about long-term water safety.
That’s why understanding how PFAS filtration works—and choosing the right setup—is essential.
Table of Contents
The Short Answer
Some whole house water filtration systems can reduce PFAS, but most standard systems are not designed to fully remove them. That’s why understanding how PFAS filtration works—and choosing the right setup—is essential.
What Are PFAS and Why Should Australians Be Concerned?
PFAS (per- and polyfluoroalkyl substances) are a group of synthetic chemicals widely used since the 1950s.
They are often referred to as “forever chemicals” because:
- They do not break down easily in the environment
- They accumulate in the human body over time
Common Sources of PFAS Contamination
- Firefighting foams (especially near airports and military sites)
- Industrial manufacturing processes
- Non-stick cookware and stain-resistant materials
- Food packaging
Over time, PFAS have spread into:
- Soil
- Groundwater
- Municipal drinking water supplies
Health Considerations
PFAS are being extensively studied due to their ability to bioaccumulate. Ongoing research is investigating potential links to:
Are PFAS Found in Australian Drinking Water?
Yes, but context is important. PFAS have been detected in some Australian water supplies. However:
- Levels vary significantly by region
- Most remain within regulated safety limits
Australia follows strict standards under:
- Australian Drinking Water Guidelines (ADWG)
- National Health and Medical Research Council (NHMRC)
Even so, many households prefer a low- or zero-exposure approach, especially for drinking water.
Do Whole House Water Filters Remove PFAS?
Some do, but many don’t. The effectiveness depends entirely on the filtration technology used.
Standard Whole House Water Filters
Most conventional systems are designed for:
- High water flow
- Whole-home usage
They typically remove:
- Sediment
- Chlorine
PFAS-Capable Systems Require:
- Advanced carbon filtration
- Specialised filtration media
- Or Reverse Osmosis (RO) technology
Best Water Filtration Technologies for PFAS Removal in Australia
1. Activated Carbon (Carbon Block & Granular)
High-quality activated carbon removes contaminants through adsorption.
- Can reduce certain PFAS compounds
- Works best when:
- Carbon is high-grade
- Flow rate is controlled
- Contact time is sufficient
Not all carbon filters are effective. Quality and design matter significantly.
2. Reverse Osmosis (RO)
Reverse Osmosis is widely recognised as one of the most effective PFAS filtration methods.
- Uses a semi-permeable membrane
- Removes a broad spectrum of contaminants
- Highly effective for drinking water
Typically installed as:
- Under-sink systems
- Point-of-use filtration
Whole House vs Under Sink Filters for PFAS
Whole House Systems
- Improve overall water quality
- Remove chlorine and sediment
- Protect plumbing and appliances
Under Sink Reverse Osmosis Systems
- Deliver highly purified drinking water
- Highly effective for PFAS removal
- Ideal for cooking and consumption
Best Solution: Multi-Barrier Filtration Approach
The most effective way to reduce PFAS in Australian homes is by combining:
- Whole house filtration → for broad contaminant reduction
- Under-sink RO system → for targeted PFAS removal in drinking water
This layered approach ensures more comprehensive protection.
What to Look for in a PFAS Water Filter (Australia)
When selecting a system, prioritise:
- NSF/ANSI certifications (where applicable)
- Advanced filtration technology (RO or high-grade carbon block)
- Transparent performance data
- Proper system design (balanced flow rate and contact time)
Recommended Whole House Water Filters for PFAS Reduction
At My Water Filter Australia, we recommend a multi-barrier system design for real-world PFAS protection.
1. ULTRAPURE ULTIMATE Home Filtration System + Undersink System
Best for: Maximum protection and peace of mind
PFAS Reduction Technology:
- Activated Carbon Block filtration
- Patented Disruptor® Cartridge (electroadsorptive technology)
- Captures sub-micron contaminants, including PFAS
Key Advantage:
Includes an under-sink system for ultra-fine drinking water filtration
2. ULTRAPURE Home Filtration System + Undersink System
Best for: High performance without hard water conditioning
PFAS Reduction Technology:
- Coconut shell carbon block
- Disruptor® Cartridge (tested for PFAS and pharmaceuticals)
Key Advantage:
Balanced whole-house and drinking water protection
3. ULTRAPURE Hard Water System
Best for: Hard water regions (WA, SA)
PFAS Capability:
- Carbon block provides baseline PFAS reduction
4. ULTRAPURE Soft Water System
Best for: Soft water regions (Sydney, Melbourne, Brisbane)
PFAS Reduction Technology:
- Carbon Block + Disruptor® Cartridge
- Improved efficiency due to low mineral interference
How to Choose the Right PFAS Filtration Setup
If PFAS is your primary concern:
Prioritise Reverse Osmosis drinking water systems
If you want full-home protection:
Use a whole house system + under-sink filter combination
For best value:
Choose bundled systems for:
- Cost efficiency
- Complete coverage
- Simplified installation
Why a Multi-Barrier Approach Works Best in Australia
No single filtration system can remove every contaminant perfectly. A multi-layered system provides:
- Broader contaminant removal
- Built-in redundancy
- More consistent water quality
This is especially important in Australia, where water quality varies widely by region.
Important Limitations to Understand
No system guarantees 100% PFAS removal under all conditions. Performance depends on:
- PFAS type
- Concentration levels
- Proper system maintenance
Regular cartridge replacement is essential to maintain effectiveness.
Final Verdict: Are Whole House Water Filters Effective for PFAS Reduction?
Whole house water filters can play a powerful and effective role in reducing a wide range of contaminants across your entire home, including PFAS.
No matter where you are in Australia, even in areas with hard water, heavy mineral content, or persistent white staining, modern, well-engineered systems are designed to tackle a broad spectrum of harmful substances, including:
- Chlorine and chloramines
- PFOS and PFAS
- Heavy metals
- Bacteria and even viruses
With the right filtration media and system design, every drop of water entering your home is thoroughly filtered, helping protect your health, plumbing, and appliances.
However, real-world performance matters.
While whole house systems significantly reduce PFAS levels throughout the home, pairing them with a dedicated under-sink drinking water system provides an additional layer of precision filtration for the water you consume daily.
The Best Setup for Australian Homes
- Whole house filtration → Broad, whole-of-home contaminant reduction (including PFAS)
- Under-sink system → Targeted, ultra-fine filtration for drinking and cooking
This combined approach delivers maximum protection, performance, and peace of mind, ensuring safer, cleaner water across your entire home.
Standard filters fall short: Conventional whole house water filters are primarily designed for sediment and chlorine reduction and are not equipped to fully remove PFAS ("forever chemicals"), requiring advanced technology like high-grade carbon blocks or Reverse Osmosis (RO) instead.
The multi-barrier approach is optimal: The most effective defence for Australian homes is pairing a whole house filtration system for broad, home-wide contaminant reduction with a dedicated under-sink Reverse Osmosis system for ultra-purified drinking and cooking water.
Maintenance and context matter: While Australian water supplies are regulated, regional quality varies. Achieving peace of mind requires investing in certified systems with the correct contact time and flow rate, as well as committing to regular cartridge replacements.
Hear from Our Satisfied Customers
Can Carbon Filters Remove PFAS?
Yes, but only certain types and designs are effective. High-quality, dense carbon block filters with adequate contact time can reduce specific PFAS compounds.
Is Reverse Osmosis the Best Option for PFAS?
Yes. Reverse Osmosis (RO) is widely considered one of the most reliable and highly effective methods currently available for removing a broad spectrum of PFAS from drinking water.
Are PFAS Regulated in Australia?
Yes, PFAS levels are monitored and guided by strict health-based parameters set by the National Health and Medical Research Council (NHMRC) and the Australian Drinking Water Guidelines (ADWG).
Should I Be Worried about PFAS in My Water?
Whether you should be concerned depends largely on your location, your proximity to historical PFAS sources (like airbases or industrial zones), and your exposure levels. Checking local water authority reports and installing a targeted drinking water filter is the best way to manage potential risks.
