State environmental regulators have denied a petition to list the Big Hole River as impaired. Water conservation groups worry ...

Montana’s environmental regulator has denied a petition to designate the Big Hole River as impaired by nitrogen and phosphorus ...

New research shows that microplastics have been contaminating some freshwater streams decades earlier than previously ...

Could pollution be the cause of the declining numbers of the rare Arctic charr in their Lake District spawning grounds?

The new testing, the result of a partnership between the county and the U.S. Geological Survey, showed pollution levels were ...

When the Great Lakes Water Quality Agreement was passed in the 1970s, eutrophication was the big problem. Eutrophication ...

Meanwhile, pipes leak and sewage spills rise. It isn’t smart business – it’s economic self-harm. Regulators have lacked both ...

A global modeling study found that 8,500 tonnes of antibiotics from human use alone enter rivers annually, threatening ...