Aging lead-pipe drinking water systems, along with the public health measures implemented to reduce their risks, are reshaping the chemistry and health of nearby urban streams. New research from ...

Snow has returned to the Philadelphia region, and along with it the white residues on streets and sidewalks that result from ...

New analysis highlights the extensive risk to U.S. rivers, streams, and drinking water supplies posed by the Trump administration’s threats to eliminate protected national monuments. The East Branch ...

Nitrates, fecal bacteria, sediment and other pollutants in the Des Moines and Raccoon rivers threaten safe drinking water for 20% of the state’s population. That's one of the findings from a sweeping ...