Look up your local water system to find out which pollutants might be of concern, and find suggestions on the best kinds of home filters to remove those chemicals.

By downloading the guide, you'll also be subscribed to receive email updates - including the latest news, tips, action alerts, promotions and more - from EWG.

The Tap Water Database is a free, user-friendly tool that helps consumers find out what's in their drinking water, filling the gaps left by federal regulations.

To help people understand the limitations of the federal oversight of drinking water, EWG has devised its own health-based guidelines for water contaminants that either have no federal legal limits or that …

We've compiled a list of every contaminant that has been detected in tap water nationwide. Find out what's in your water.

Feb 26, 2025 · Since 2004, EWG's Skin Deep® cosmetic database has helped people protect themselves from potentially toxic chemicals in personal care and beauty products.

EWG's drinking water quality report for California shows results of tests conducted by the water utilities in California and provided to EWG by the California State Water Resources Control Board.

EWG’s health standards listed in the Tap Water Database represent the maximum concentration of a contaminant in water that scientists consider safe. This value is based only on protecting health and …

The fifth edition of EWG’s National Tap Water Database sets forth no-compromise standards for water contaminants that have no federal legal limit or that have legal limits too weak to ensure safe water …

Mar 14, 2023 · An EWG analysis of federal data from nationwide drinking water tests shows that the compound contaminates water supplies for more than 200 million Americans in all 50 states, Puerto …