"This USGS study can help members of the public to understand their risk of exposure and inform policy and management decisions regarding testing and treatment options for drinking water," Kelly ...

The report is the most comprehensive federal study to date on whether the U.S. has enough water to power the economy, researchers said during a call Thursday. “For the first time, the USGS can ...

The estimate is available online as part of a new set of USGS data, which provides an additional tool for policymakers and scientists as they analyze water supplies during the drought. The data ...