Do TAPP Water water filters have PFAS?
TAPP Water water filters average 96 out of 100 on PFAS Authority's PFAS and toxin screen across the 4 TAPP Water water filters graded as of October 2026, above the 95 out of 100 median for the 64 other water filters brands graded alongside it.
TAPP Water water filters average Excellent on our four-band scale. 4 of the 4 we graded are worth buying.
PFAS Authority is a scoring system, not a laboratory. We do not test products ourselves. Grades are model-based, built from published ingredients, materials, certifications, brand disclosures and third-party lab results where they exist. See the rubric.
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Top-graded picks in the categories readers replace first, every one scored on the same rubric.
- polypropylene filter housing, carbon/sediment cartridge
- We found no PFAS statement from the brand
- Bacterial growth in spent cartridges
3 hazards checked on this product, all on its full breakdown.
Aquasure
Premier Series 75 GPD Under Sink Reverse Osmosis Water Filtration System
- RO membrane, carbon filters, stainless steel housing
- We found no PFAS statement from the brand
- Bacterial and microbial growth in housing and filters
4 hazards checked on this product, all on its full breakdown.
Avocado
Vegan Mattress
- organic cotton, natural latex, coconut coir, recycled steel coils
- The brand calls it PFAS-free, which we have not verified
- Heavy metals
2 hazards checked on this product, all on its full breakdown.
TAPP Water water filters worth buying Good or better, best-graded first
- Borosilicate glass pitcher, activated carbon/charcoal filter cartridge
- We found no PFAS statement from the brand
- Bacterial growth in filter cartridge. Activated carbon filters can harbor bacteria if cartridges are not…
3 hazards checked on this product, all on its full breakdown.
- Activated carbon filter media with metal/plastic housing
- We found no PFAS statement from the brand
- Bacterial colonization on filter media. Activated carbon can harbor bacterial growth if cartridge replacement…
3 hazards checked on this product, all on its full breakdown.
- Activated carbon and ion-exchange resin cartridges
- We found no PFAS statement from the brand
- Bacterial growth and biofilm formation. Activated carbon is an organic matrix that can harbor bacteria if…
3 hazards checked on this product, all on its full breakdown.
- Pitcher housing and filter cartridge (activated carbon/ion exchange resin typical)
- We found no PFAS statement from the brand
- Bacterial regrowth in cartridge. Pitcher filters with extended cartridge lifespan create conditions for…
3 hazards checked on this product, all on its full breakdown.
Better water filters from other brands
Graded higher than the TAPP Water average of 96.
- glass bottles, sodium dichloroisocyanurate treatment chemical
- We found no PFAS statement from the brand
- Chemical overdose or misuse
5 hazards checked on this product, all on its full breakdown.
- Stainless steel housing and spigot
- We found no PFAS statement from the brand
- Bacterial growth and biofilm if filters not replaced
5 hazards checked on this product, all on its full breakdown.
- Borosilicate glass pitcher, replaceable activated-carbon filter cartridge
- Bacterial growth in filter cartridge if unmaintained
5 hazards checked on this product, all on its full breakdown.
The same question, asked of the other water filters brands
Best average grade first. TAPP Water averages 96.
See every TAPP Water product we grade on the TAPP Water brand page, or the full water filters ranking.