Drinking Water Contaminants
What's in tap water, what the rules say, and which filters are certified to remove each contaminant.
Sodium in Drinking Water (2026): Limits and Removal
Where sodium in water comes from, how much a softener adds, what the EPA, WHO, and Health Canada advise, and the treatments that reduce it.
E. coli and Coliform Bacteria in Drinking Water (2026): What to Do
What total coliform, fecal coliform, and E. coli results mean, what the EPA and CDC advise, how to disinfect a well, and the treatments that work.
Iron in Drinking Water (2026): Limits and Removal
Where iron in water comes from, the types and signs, what the EPA, WHO, and Health Canada say, and the treatments that remove it.
TDS in Drinking Water (2026): Levels and Removal
What TDS in water measures, the EPA guideline and WHO taste ratings, why the number alone isn’t a health score, and the treatments that lower it.
Manganese in Drinking Water (2026): Limits and Removal
Where manganese in water comes from, the signs, what the EPA, WHO, Health Canada, and states advise, and the treatments that reduce it.
Microplastics in Drinking Water (2026): Risks and Filters
What microplastics are, what the WHO and EPA say about health risk, the 2026 regulatory steps, and how NSF/ANSI 401 certification covers them.
Chlorine in Drinking Water (2026): Safety and Removal
Why utilities add chlorine and chloramine, what the CDC and EPA say about safety and byproducts, and the filters certified to reduce each.
Hard Water (2026): What It Is and How to Fix It
What hard water is, the USGS hardness scale in mg/L and grains per gallon, why it isn’t a health concern, and which fixes work.
Fluoride in Drinking Water (2026): Safety and Removal
Why fluoride is added to tap water, what is settled and what is debated, the 2025 and 2026 federal and state changes, and how to remove it.
Lead in Drinking Water (2026): Sources, Risks, and Filters
Where lead in tap water comes from, what the EPA and WHO say about its risks, the 2027 rule changes, and the filters certified to reduce it.