The Clean Water Act has reached its 50th anniversary. Still befuddling federal regulators is nonpoint-source pollution — a technocratic term describing pesticides, oil, fertilizers, toxins ...

opens new tab to the 9th U.S. Circuit Court of Appeals that the EPA violated provisions of the Clean Water Act that require the federal environmental regulator to tighten pollution controls every ...

WASHINGTON – The Supreme Court on Thursday sided with a couple who have been battling the Environmental Protection Agency for more than a decade over a plan to develop a property in the Idaho ...

GUNNISON, Colo.— A Gunnison County judge today upheld a Colorado state agency’s decision requiring the West Elk coal mine to monitor and limit pollution from eight stormwater discharge sources, water ...

Saltier water led to brown tap water for months in Montgomery County, Md. It also played a part in creating the toxic lead-laden water in Flint, Mich. Salt pollution isn’t some flashy threat to ...

Water pollution could make clean water even scarcer in the future, researchers claim. One third of global sub-basins—smaller working units of river basins, areas of land drained by a river or ...