Independent water-filter reviews
Filters, measured against the certifications.
We read the NSF certification scope and the independent lab data so you don’t have to — then rank what actually removes what’s in your water.
Latest reviews & guides
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New Orleans Water Quality Report 2026: What’s in Your Tap Water
New Orleans Water Quality Report 2026: What’s in Your Tap Water QUICK SUMMARY: Overall Rating: Fair Top Contaminants…
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A.O. Smith AO-US-200 Review 2026: Aquasana Tech, Lower Price
A.O. Smith AO-US-200 Review 2026: Aquasana Tech, Lower Price > Affiliate disclosure: FilterdWaterGuide.com earns a commission from qualifying…
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Richmond Water Quality Report 2026: What’s in Your Tap Water
Richmond Water Quality Report 2026: What’s in Your Tap Water QUICK SUMMARY: Overall Rating: Fair Top Contaminants of…
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Waterdrop G3P800 vs AquaTru Classic: Which RO Wins in 2026?
Waterdrop G3P800 vs AquaTru Classic: Which RO Wins in 2026? > Affiliate disclosure: FilterdWaterGuide.com earns a commission from…
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Raleigh Water Quality Report 2026: What’s in Your Tap Water
Raleigh Water Quality Report 2026: What’s in Your Tap Water QUICK SUMMARY: Overall Rating: Fair to Good Top…
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MultiPure Aquaperform Review 2026: Certified Arsenic V, No RO
MultiPure Aquaperform Review 2026: Certified Arsenic V, No RO > Affiliate disclosure: FilterdWaterGuide.com earns a commission from qualifying…
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SpringWell CF Review 2026: Good Tank, No Certification
SpringWell CF Review 2026: Good Tank, No Certification > Affiliate disclosure: FilterdWaterGuide.com earns a commission from qualifying purchases…
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Lead in School Drinking Water: A Parent’s Guide (2026)
Lead in School Drinking Water: A Parent’s Guide (2026) > Affiliate disclosure: FilterdWaterGuide.com earns a commission on some…
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Epic Nano Review 2026: The Well-Water Pitcher, Minus the Hype
Epic Nano Review 2026: The Well-Water Pitcher, Minus the Hype > Affiliate disclosure: FilterdWaterGuide.com has an affiliate relationship…
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Indianapolis Water Quality Report 2026: What’s in Your Tap Water
Indianapolis Water Quality Report 2026: What’s in Your Tap Water QUICK SUMMARY: Overall Rating: Good Top Contaminants of…
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Cleveland Water Quality Report 2026: What’s in Your Tap Water
Cleveland Water Quality Report 2026: What’s in Your Tap Water QUICK SUMMARY: Overall Rating: Good Top Contaminants of…
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Kansas City Water Quality Report 2026: What’s in Your Tap Water
Kansas City Water Quality Report 2026: What’s in Your Tap Water QUICK SUMMARY: Overall Rating: Good Top Contaminants…