The United States Geological Survey (USGS) and Dewberry, a privately held professional services firm, have jointly released a new topobathymetric lidar dataset for the Potomac River, extending from ...

THE POTOMAC STRETCHES 405 MILES IN LENGTH, DROPS MORE THAN 3,000 FEET IN ELEVATION, AND IS BORN FROM AN IMMENSE WATERSHED DRAINING MORE THAN 14,000 SQUARE MILES.

The Potomac River Basin or watershed covers 14,670 square miles through five geological provinces. The river flows over 400 miles spanning Washington, D. C. and four states -- Virginia, Maryland ...

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.

The Potomac has experienced multiple years since 2008 when river flows have repeatedly been high from March into June when compared to flows from 1900 to 2007, according to Henesy and a copy of ...

By USGS 4/3/2020 From 1975 to 2017, some fish species that require stable or predictable river flows for spawning – like these smallmouth bass – have declined in abundance in the Potomac River. Photo ...

The 12-day heat wave that just ended in Washington turned the Potomac River to veritable bath water. On the river at Little Falls, Sunday’s 93.7 degree reading 4.1 feet from the shoreline is the ...

From Headwaters to Coast: Influence of Human Activities on Water Quality of the Potomac River Estuary. Aquatic Geochemistry, 2014; 20 (2-3): 291 DOI: 10.1007/s10498-014-9226-y ...

WASHINGTON – While area drinking water sourced from the Potomac River is safe for consumption, it is not treated for the known chemicals and pharmaceuticals contaminating the river ...

(Beyond Pesticides, May 16, 2012) With Congress considering drastic cuts to national clean water protections, and rivers nationwide facing threats from natural gas drilling, chemical pollution, and ...

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 ...

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