Water is being pumped into the canal to help flush out the sludge and debris for the initial cleanup, DC Water says.

The tanks that hold drinking water for nearly 140 residents in the Prairie View Ranch Water District are full of sludge that is so toxic that Colorado's Water Quality Control Division has now brought ...

For seven years, employees and supervisors at the Pittsburgh Water and Sewer Authority dumped sludge into the Allegheny River from the Aspinwall treatment facility, violating the Clean Water Act and ...

Three sophisticated sampling instruments on loan from the U.S. Geological Survey are helping to monitor water quality off the coast of Lahaina after the Aug. 8 wildfire. “The devices allow pollutants ...