Metalloids

Water agencies in western states are hard-pressed to pay for removing arsenic from tap water to meet new federal standards. But California towns may soon have to meet an even stricter standard. Tamara Keith reports.

You don’t have to go to a foreign country to find places where the water is undrinkable. Tamara Keith reports from a town in Central California where water is not only dirty and intermittent, but where the arsenic levels are a health threat.

Living on Earth’s Jessica Penney reports on a massive poisoning incident in Spain twenty years ago.

Since 2004, the water provided to more than 49 million Americans has contained illegal concentrations of chemicals and dangerous bacteria. Reporter Charles Duhigg tells us what to worry about and why violations weren’t caught sooner.