How to test your drinking water – and what to do if it's contaminated

Our lab tests found that US drinking water might not be safe as you think. Take our test to learn how to test your water

Perry Santanachote, Consumer Reports. Interactive by Andy Bergmann

Last modified on Mon 5 Apr 2021 11.58 EDT

Finding out what’s in your water and which water filter you need isn’t always straightforward. You need to find out which, if any, contaminants are in your tap water, and which filter works best for your situation. Plus, advice can vary depending on whether you’re on municipal or well water, and whether you have young children at home.

This interactive will help you navigate the issues, especially related to three of the most concerning contaminants: lead, arsenic, and PFAS.

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