News

A new USGS study reports that about 2.3 percent of drinking-water wells in the U.S. have concentrations of strontium at levels that present a...

A new 3-D model predicts pH in groundwater at all depths across the 25-state span of the glacial aquifer system, reports an article by the USGS. The...

A new USGS study has identified factors that contribute to high nitrate in base flow in streams flowing into Chesapeake Bay. Land use, organic carbon...

Thousands of pesticides are used on crops and landscaping, are they in our groundwater? According to a new USGS study, the answer is a qualified yes...

A new USGS study reports that shale-oil and -gas production from a major production area in Montana, North Dakota, and South Dakota has not caused...

Despite the tremendous effort invested in reducing the use of nitrogen, widespread decreases in nitrate loads in US rivers and streams remain elusive...

The U.S. Geological Survey has chosen the Illinois River Basin as the next watershed to be studied by its scientists as part of a large-scale effort...

The U.S. Geological Survey announced Friday the completion of a new mobile tool that provides real-time information on water levels, weather and flood...

The insecticide fipronil and some of the compounds it degrades to are more toxic to aquatic insects, such as mayflies and stoneflies, than previously...

Editor’s note: This story updates and replaces a story published October 8, reflecting a new forecast that reduces the extent of Hurricane Delta’s...