Conducted for the USGS’s 3D Elevation Program (3DEP), the lidar survey involved collaboration with the USGS Earth Resources Observation and Science Center (EROS), National Geospatial Program (NGP) and ...

Intersex Fish Linked To Population And Agriculture In Potomac River Watershed Date: February 11, 2008 Source: US Geological Survey Summary: For several years, scientists have been working to ...

Potomac River Tap Water Has Small Levels of Contaminants. By David A. Fahrenthold. December 5, 2008 at 7:00 p.m. EST. Share. Add to your saved stories.

Potomac River: 10-fold increase in native submerged vegetation reflects improved water quality Date: September 8, 2010 Source: United States Geological Survey ...

During August alone, the flow of fresh water from the Potomac to the bay averaged 6.7 times normal — the most in USGS records. So Fran’s added torrents could do little but run off.

The Potomac River in Washington, D.C. is showing multiple benefits from restoration efforts, newly published research suggests. Reduced nutrients and improved water clarity have increased the ...

If it’s something we’re using, ultimately it’s going to end up in the water.” In 2006, USGS discovered in some Potomac tributaries, including the Shenandoah River in Virginia, nearly all of the male ...

If the Potomac River has gotten more attention than the Anacostia in the past 50 years, it’s partly because the Potomac supplies 90 percent of the region’s drinking water. That amounts to an ...

Streamflow of the Potomac River has been so low for the past five days that hourly drought monitoring has been required for the area's prime drinking water supply.

With the ongoing lack of substantial rain, the streamflow of the Potomac River is so low that hourly drought monitoring has been triggered for the area’s prime drinking water supply.