Answered from our dataUpdated September 25, 2026
Do water filters remove iron?
46 of the 296 systems we list claim to reduce iron.
Seven of the 296 have no contaminant list on file.
These are the makers' claims. Certification for them is being verified and is not counted here yet.
- 46 products behind this answer
- 296 in scope
- 8 categories
- 11 brands
- updated September 25, 2026
Counted from the contaminants each maker says its product reduces. How we score and check
By category
Where the products behind this answer sit. Each links to that category's ranked list.
The 46 products behind this answer
Best overall score first. Each links to its full review, where the score is broken down.
- Waterdrop3here
- US Water Systems6here
- Berkey9here
- SoftPro Water Systems3here
- Aquasure3here
- Express Water3here
- Kind Water Systems4here
- SpringWell4here
- APEC Water Systems2here
- Crystal Quest5here
- NuvoH2O4here
Some links on this page earn us a commission. It never affects our scores or rankings. How this works
8th of 12 in Combo Systems
23rd of 33 in Well Water
What this means
- Maker claims, not lab results. Each count is what the maker says its system reduces.
- Certification is stronger proof. We're checking every claim against the certifiers' own listings.
- Test your water first. It tells you which of these you actually need to reduce.
The ranked lists
Every product we score in these categories, in order, with the reasons for each place.
2
3
The best well water filtration systems
First: US Water Systems Matrixx inFusion. Top 10 of 33 scored, 17 September 2026.
See the ranking
1
2
3
The best countertop water filters
First: WaterChef C6500. Top 5 of 23 scored, 17 September 2026.
See the ranking
1
2
3
The best whole house water filters
First: Kind Water E-1000UV. Top 10 of 55 scored, 17 September 2026.
See the ranking
1
2
3
The best shower and faucet water filters
First: WaterChef SF-7C. Top 5 of 15 scored, 17 September 2026.
See the ranking
Compare them head to head
Comparisons in Well Water between products and brands in this answer.
Related questions
- Do water filters remove fluoride? 82 of the 296 systems we list claim to reduce fluoride.
- Do water filters remove lead? 120 of the 296 systems we list claim to reduce lead.
- Do water filters remove PFAS? 84 of the 296 systems we list claim to reduce PFAS.
- Do water filters remove chlorine? 217 of the 296 systems we list claim to reduce chlorine.
- Do water filters remove microplastics? 16 of the 296 systems we list claim to reduce microplastics.
- Do water filters remove hard water? 36 of the 296 systems we list claim to reduce hardness.
Counted from our data September 25, 2026 · How we score · All answers