Drinking Water Safety Guides
In-depth, data-driven guides to understanding your tap water quality, removing contaminants, and staying informed. All data from EPA SDWIS.
Getting Started
Is My Tap Water Safe? How to Check and What to Do
A step-by-step guide to finding your water system, reading its safety record, understanding violations, and choosing the right water filter if you need one.
Read guide →ContaminantsPFAS in Drinking Water: What You Need to Know
The complete guide to forever chemicals in tap water — what PFAS are, how they got there, the new EPA standards, and how to remove them from your drinking water.
Read guide →SolutionsThe Best Water Filters for Every Contaminant: A Data-Driven Guide
Which water filter actually removes what — pitcher filters, under-sink RO, whole-house carbon, and when you don't need a filter at all.
Read guide →