PFAS in Tap Water by State: Where It’s Worst (2026)
PFAS contamination isn't the same everywhere. Here's which states are most affected, why the rankings can mislead, and how to check the water where…
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Category
Category: Drinking Water Safety
Hand-picked reads from the Complete Water Guide library.
Best Under-Sink Water Filters for PFAS (2026)
Only NSF 53 or NSF 58 certified systems actually remove PFAS. 3 certified under-sink picks compared on cost, capacity and what they remove.
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Does Boiling Water Remove PFAS? (No — Here’s Why)
Boiling water does not remove PFAS — and it actually concentrates them. Here's the science behind the myth, and the filtration that genuinely removes…
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How to Test Your Water for PFAS at Home (2026 Guide)
You can't test for PFAS with a strip or meter. Here's how to actually test your tap or well water for PFAS at home…
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Manganese in Water: Signs, Health Risks & How to Remove It
Manganese in water causes dark brown-black staining, a metallic taste, and health concerns at high levels, especially for infants. How to test for and…
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Best Water Softener for Well Water (With Iron) 2026
The best water softeners for well water in 2026, ranked by iron handling. Compare SpringWell, SoftPro, Fleck and match a system to your water…
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Why Well Water Smells Like Rotten Eggs (Sulfur Smell)
Well water that smells like rotten eggs is caused by hydrogen sulfide gas. Learn the causes, a hot-vs-cold test, and how to fix the…
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Iron Bacteria & Orange Slime: How to Identify & Treat
Iron bacteria cause slimy orange buildup and a musty smell in well water. Learn how to identify, treat, and prevent iron bacteria for good.
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Iron in Well Water: Signs & How to Remove It
Iron in well water causes orange stains, metallic taste, and rusty water. Learn the 3 types of iron and the best ways to remove…
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Alkaline Water: Is It Actually Worth the Price? (2026)
Is alkaline water worth the price? What the science actually shows — where the evidence is real (reflux, exercise), where it's weak (cancer, detox),…
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