This article includes links to public water quality data — from both government and independent sources — to help you better understand the tap water you may be drinking, and how its imperfections could be affecting your health and hydration.

Your water may look clean, but is it truly toxin-free and nourishing? Discover the best kits and tests for detecting hidden contaminants or deficiencies — so you can take targeted steps to purify, upgrade, and replenish your daily source of hydration.