By March 17 and 18, rain and flooding affected every state in New England, along with Pennsylvania, Ohio, Maryland, Delaware, Virginia, West Virginia and Washington D.C.

The Potomac watershed, which includes 14,670 miles of land that drains to the river, covers parts of West Virginia, Pennsylvania, the District, Maryland and Virginia.

About the Potomac River: ... Its waters flow over 400 miles and its watershed spans four states (MD, PA, VA, WV) and the District of Columbia. ...

An estimated 300 to 350 homes along the Potomac River in Washington County were “wholly or partially flooded.” Edison power plant in Williamsport, Maryland, after the March 18, 1936 flood ...

On May 16, the Potomac Conservancy gave the river a grade of B, up from a B- in 2020, a C in 2013 and a D in 2011. We have seen progress, Conservancy officials say, but more must be done.

Explore the nation’s history through an aerial trip along the Potomac River. ... AND EXTENDED 2,500 FEET WESTWARD TOWARD THE POTOMAC. 1600 PENNSYLVANIA AVENUE, ...

Yet ask residents what they most love about Washington, and the Potomac River “I go to nature to be soothed and healed, and to have my senses put in order.” —Naturalist John Burroughs It’s a mighty ...

Edison power plant in Williamsport, Maryland, after the March 18, 1936 flood, surrounded by water from the Potomac River. The facility later became the R. Paul Smith Power Station.