News

The USGS Flagstaff Science Campus Open House on September 29 was attended by more than 300 people who learned about the diversity of sciences that we...

Get ready to launch into a day of discovery! Join us on September 29, 2024, from 10 a.m. to 1 p.m. at the USGS campus in Flagstaff, AZ, to explore...

In an innovative approach to addressing uranium mining's impact in the Grand Canyon region, the U.S. Geological Survey has released a visually...

All users of the Colorado River now have a more efficient way to find U.S. Geological Survey science critical to its future management.

About 12% of 230 groundwater sites sampled in the Grand Canyon region over 45 years show arsenic concentrations greater than the U.S. Environmental...

“Groundwater is a critical water resource in Arizona, and mostly invisible” said Fred Tillman, USGS research hydrologist and lead author of the study...

The Southwest Biological Science Center and Arizona Water Science Center have teamed up to bring you informative & interesting news about USGS science...

Nearly 95% of samples collected from 206 locations over 40 years show uranium concentrations less than the U.S. Environmental Protection Agency...

Right where the Colorado River flows into the mouth of the Grand Canyon, an inconspicuous 20-foot-high concrete tower rises from the riverbank.  

Is there really more water at the USGS Lees Ferry gaging station than Glen Canyon Dam is releasing just a few miles upstream? That question is...