A recent study by researchers at Columbia University revealed the states that had the highest levels of deadly arsenic in ...

(The map includes only water systems with detectable levels of radium.) You may like There's 90,000 tons of nuclear waste in the US. How and where is it stored?

One map shows water systems where lead levels have topped 15 parts per billion, ... (In the meantime, residents can filter their water, though only some water filters remove lead).

The only counties without an at-risk water system were Lassen, Modoc and San Francisco. The report found that 61 percent of the state's 3,055 public water systems were not at risk of failing.

Update, 4/13/15: This article has been modified from its original version to include updated drought maps and information from the Desert Sun investigation. Bottled-water drinkers, we have a ...

30 million Americans live in areas where surface water supply struggles to meet demand, according to a new assessment by the U.S. Geological Survey (USGS).. The report highlights alarming ...

The Environmental Protection Agency has developed detailed maps of waters located throughout the country. These waters include, according to the maps, ephemeral streams that flow only in response ...

So, we will absolutely be in direct personal contact with them if that happens," O'Connell told 11 News Investigates.For homeowners who test their main water line and determine it's made of lead ...