News

Fish exposed to the endocrine-disrupting chemicals bisphenol A (BPA) or 17a-ethinylestradiol (EE2) in a laboratory have been found to pass adverse...

The President’s fiscal year 2016 budget request for the U.S. Geological Survey is $1.2 billion, an increase of nearly $150 million above the FY 2015...

New and improved science tools can help managers and researchers evaluate current threats and develop management strategies to protect and restore the...

In a long-term field study, U.S. Geological Survey (USGS) and Virginia Tech scientists have found that changes in geochemistry from the natural...

Average chloride concentrations often exceed toxic levels in many northern United States streams due to the use of salt to deice winter pavement, and...

A new report published by the U.S. Geological Survey shows that U.S. Environmental Protection Agency-led efforts to clean up historical mining...

Successfully resolving California’s long-standing water supply and ecosystem restoration conflicts in the Delta depends on sound policy based on the...

Levels of pesticides continue to be a concern for aquatic life in many of the Nation’s rivers and streams in agricultural and urban areas, according...

Scientists are expecting an average, but still large, hypoxic or "dead zone" in the Gulf of Mexico this year, and slightly above-average hypoxia in...

Concentrations of dissolved solids, a measure of the salt content in water, are elevated in many of the Nations streams as a result of human...