EWG found cancer-causing chromium-6 in tap water from 31 of 35 cities it tested. Americans deserve the protection of official safety standards to protect our water and health. Learn more.
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 Rico, the Northern Mariana Islands and Guam.
Water filters are necessary to remove or reduce the myriad chemicals that contaminate our nation's drinking water, some of which are linked to cancer and endocrine disruption.