rivers

As oil and gas companies run out of places to dispose of their wastewater, Texas regulators are drafting permits to treat and reuse it outside the oilfields.

U.S. Geological Survey researchers developed models to better understand the timing and sources contributing to nutrient pollution in streams and rivers. They say their findings can help guide efforts to improve water quality.

At least two people died after extreme flooding hit the Hill Country late Wednesday into Thursday morning.

Pesticide pollution is a problem especially in the middle of the country. And sometimes there's enough of it to possibly hurt aquatic plants and animals.

The Kansas River is cleaner today than half a century ago, but pollution and trash remain problems. Kayakers and others who love this river are helping the river's sandbars by hauling away tons of garbage.

Groundwater pumping is causing rivers and small streams throughout the country to decline, according to a new study from researchers at the Colorado...