Fluoride is a naturally occurring mineral that is deliberately added to Perth's water supply as part of a public health strategy to reduce tooth decay. While fluoridation is supported by most health authorities for its dental benefits, some Perth residents prefer to have control over their fluoride intake and seek filtration options for their homes.
This page is part of our comprehensive guide to water contaminants in Perth. For an overview of Perth's water sources and treatment process, see our guide to Perth's drinking water supply.
Understanding Fluoride in Perth's Water
Fluoride has been added to Perth's drinking water since 1968 as part of Western Australia's fluoridation program. Here's what you need to know about fluoride in our local water supply:
- Perth's water is fluoridated at approximately 0.7-1.0 mg/L (parts per million), in line with Australian guidelines
- This level is carefully monitored by the Water Corporation to maintain consistent fluoride concentrations
- The fluoride used is typically fluorosilicic acid, sodium fluorosilicate, or sodium fluoride
- Fluoridation occurs at water treatment plants before distribution to homes
- Some natural groundwater sources around Perth may also contain low levels of naturally occurring fluoride
The primary purpose of water fluoridation is to reduce dental caries (cavities) across the population. According to dental health authorities, water fluoridation has been shown to reduce tooth decay by 25-40% in communities with fluoridated water compared to those without.
Potential Risks of Fluoride in Perth's Water
While fluoride in Perth's drinking water is maintained at levels considered safe by health authorities, some residents have concerns:
Health Considerations:
- Dental fluorosis (white spots or streaks on teeth) can occur in children exposed to excessive fluoride during tooth development, though this is rare at Perth's fluoridation levels
- Some individuals may be sensitive to fluoride or prefer to control their total fluoride intake
- Those with certain kidney conditions may be advised to monitor fluoride intake
Home Impact:
- Fluoride does not affect the taste, smell, or appearance of water at the levels used in Perth
- It does not contribute to pipe corrosion or appliance damage
- Unlike chlorine, fluoride cannot be removed by letting water stand or boiling
Recommended Filtration Solutions
Best Option: Reverse Osmosis System
Our premium reverse osmosis system provides the most comprehensive fluoride reduction available:
Key features:
- Eliminates up to 96% of fluoride and other dissolved impurities
- Multi-stage filtration process ensures the purest drinking water
- Compact undersink design connects to a dedicated tap
- Easy maintenance with quick-change cartridges

Better Option: Dual Filter System with Fluoride Reduction Cartridge
This powerful combination offers excellent fluoride reduction with our specially designed fluoride cartridge:
Key features:
- Specialised cartridge reduces fluoride up to 90% with 1,900-litre capacity
- Available with 1/4" connection or 3/4" connection options
- Includes secondary filter cartridge for comprehensive water treatment
- Ideal for targeted drinking water filtration

Good Option: Three-Stage Undersink System
For households seeking a more affordable option with moderate fluoride reduction:
Key features:
- Connects to your existing mixer tap
- Three-stage filtration process
- 1-micron filter designed for Perth's water conditions
- Budget-friendly option with easy installation

Concerned about fluoride in your water? Call us at (08) 9315 5545 or book a free consultation to discuss filtration solutions!
How We Can Help
As Perth's water quality specialists, we provide comprehensive solutions for fluoride concerns:
- Expert assessment: Our technicians can test your water to determine exact fluoride levels and recommend appropriate filtration options
- Customised solutions: We understand that preferences vary – some households want complete fluoride removal while others prefer reduction, and we tailor our recommendations accordingly
- Professional installation: Our licensed plumbers ensure your system is installed correctly for optimal performance
- Ongoing support: We provide maintenance services, replacement filters, and water quality testing to ensure your system continues to perform
We take pride in helping local families have control over their water quality with systems specifically designed for Perth's water conditions.
Protecting Your Home from Unwanted Fluoride
While fluoride in Perth's water is generally maintained at levels considered safe by health authorities, many residents prefer to have control over their fluoride intake. Investing in a quality filtration system provides this control while also addressing other potential contaminants in your water supply.
The right filtration solution depends on your specific preferences, concerns, and budget. We're committed to helping you find the perfect system to address your fluoride concerns while ensuring your household has access to clean, great-tasting water.
Questions about fluoride filtration? Call us at (08) 9315 5545 or book an appointment online for personalised advice.
Frequently asked questions
Fluoride is added as a public health measure to reduce tooth decay across the population. Studies suggest that water fluoridation reduces dental caries by 25-40%.
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(08) 9315 5545
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3/52 Roberts St, Osborne Park WA 6017