A–Z contaminant guides
Water Problems Library — Find What’s in Your Water
Every common water problem in one place: plain-English guides covering what each contaminant is, where it comes from, the legal limit in drinking water, and the filter media that actually removes it — from lead and hard-water scale to bacteria, silica, and MTBE.
Sulfate in Water
Sulfate in drinking water: where it comes from, EPA limits, and which filter technologies actually work — honest comparison, test-first guidance, no marketing claims.
Uranium in Water
Uranium in drinking water: where it comes from, EPA limits, and which filter technologies actually work — honest comparison, test-first guidance, no marketing claims.
Smelly Water
Smelly Water in drinking water: where it comes from, EPA limits, and which filter technologies actually work — honest comparison, test-first guidance, no marketing claims.
Metallic Taste in Water
Metallic Taste in drinking water: where it comes from, EPA limits, and which filter technologies actually work — honest comparison, test-first guidance, no marketing claims.
Radon in Water
Radon in drinking water: where it comes from, EPA limits, and which filter technologies actually work — honest comparison, test-first guidance, no marketing claims.
Chromium-6 in Water
Chromium-6 in drinking water: where it comes from, EPA limits, and which filter technologies actually work — honest comparison, test-first guidance, no marketing claims.
Mercury in Water
Mercury in drinking water: where it comes from, EPA limits, and which filter technologies actually work — honest comparison, test-first guidance, no marketing claims.
Chloramine in Water
Chloramine in drinking water: where it comes from, EPA limits, and which filter technologies actually work — honest comparison, test-first guidance, no marketing claims.
Cloudy Water
Cloudy Water in drinking water: where it comes from, EPA limits, and which filter technologies actually work — honest comparison, test-first guidance, no marketing claims.
Chlorine in Water
Chlorine in drinking water: where it comes from, EPA limits, and which filter technologies actually work — honest comparison, test-first guidance, no marketing claims.