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Health

Water Safety & Quality Guide

Read about the dangerous contaminants, such as PFAS and lead, that can be in your water, as well as our advice on how to test and treat your drinking water.

Updated October 3, 2026

Featured

Best Countertop Water Filters

Best Countertop Water Filters

Make room for cleaner tap water with these top-rated filters.
Best Water Filter Pitchers

Best Water Filter Pitchers

What Home Lead Test Kits Can Tell You and What They Can’t

What Home Lead Test Kits Can Tell You and What They Can’t

Best Water Filter Pitchers

Best Water Filter Pitchers

What Home Lead Test Kits Can Tell You and What They Can’t

What Home Lead Test Kits Can Tell You and What They Can’t

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More Advice and News on Water Quality

How to Get PFAS Out of Your Drinking Water

Best Faucet-Mounted Water Filters of 2026

Best Under-Sink Water Filters of 2026

Stop Using Dangerous Faucets, Regulator Warns

Does Your Home Have Hard Water?

How to Test Your Tap Water

CR's Water Filter Ratings & Buying Guide