Water Quality Guides
Expert information on drinking water safety, contaminants, and filtration solutions.
Understanding Water Quality Scores
Learn how water quality scores and grades are calculated, and what your city's rating means for your health.
Read Guide →Complete Guide to Drinking Water Contaminants
Comprehensive overview of all major water contaminants including lead, PFAS, arsenic, nitrates, and more.
Read Guide →How to Choose the Right Water Filter
Detailed comparison of filter types, NSF certifications, removal rates, and cost analysis.
Read Guide →Understanding Your Water Quality Report
Learn how to read Consumer Confidence Reports and understand what the numbers mean.
Read Guide →Municipal Water Treatment Explained
How treatment plants work, different methods used, and why treatment isn't perfect.
Read Guide →PFAS: Forever Chemicals in Your Water
Everything about PFAS - what they are, health effects, regulations, and removal methods.
Read Guide →Lead in Drinking Water
Why lead is still a problem, how to test, and solutions including the Flint water crisis case study.
Read Guide →Home Water Testing Guide
When to test, what to test for, DIY vs professional testing, and how to interpret results.
Read Guide →Water Quality by State
State-by-state analysis of water quality, regional trends, and policy differences.
Read Guide →How to Improve Your Tap Water
Practical steps and solutions to ensure safer, better-tasting water for your home.
Read Guide →