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 ...

The survey was conducted using Teledyne Optech CZMIL SuperNova lidar system, which allowed Dewberry to successfully survey a 55-mile (88.5km) stretch of the Potomac River, spanning from Hancock, ...

River herring and striped bass have dramatically declined in the Potomac, he noted. He is also examining how long-lasting, polyfluoroalkyl substances (PFAS) affect fish, and has found PFAS in two ...