News

A regional assessment of untreated groundwater in the Basin and Range basin-fill aquifers, which include parts of Nevada, California, Arizona, Utah...

A new U.S. Geological Survey website provides important information about streamflow in the Comal and San Marcos Rivers and springflow at Comal and...

Mercury contamination is widespread, at various levels across western North America in air, soil, sediment, plants, fish and wildlife.

A new report about how groundwater quality and quantity has changed in and around Gaines, Terry and Yoakum counties, Texas is now available from the U...

Highest concentrations found in Iowa, Minnesota and Illinois. 

Reporters: Do you want to interview USGS scientists as they measure flooding? Please contact Jennifer LaVista.

Reporters: Do you want to interview USGS scientists as they measure flooding? Please contact Jennifer LaVista.

The East Austin, Texas quadrangle is the updated "feature map" on the US Topo and Historical Topographic Map Collection websites.