Source: Most US tap water has unhealthy levels of cancer-causing pollutants and other contaminants — Quartz
A new database compiled by the Environmental Working Group shows that the tap water of millions of Americans is unhealthy.
An analysis of 28 million water records from nearly 50,000 American water utilities published as a searchable database Wednesday (July 26) found dozens of contaminants in tap water at levels that get a passing grade from the government, but that toxicology research says pose a risk to human health.