Warm weather and heavy rains led to the Great Northeastern Flood of 1936 and it took years for the region to recover.

By the day’s end, the buildings at Cushwa Basin were submerged, the Potomac Edison power plant had shut down, and the Potomac River at Williamsport had risen to 48.6 feet. This flooding was part ...

Arlington and the D.C. area remain under a drought watch as the region faces its driest spell in at least a century and a ...

U.S. Geological Survey Fishery Biologist Vicki Blazer recently published an extensive study on PFAS in fish collected from ...

plan to spend some time along the Tidal Basin, an approximately 107-acre pond encircled by a 2.1-mile loop trail. Constructed to use the strong tides of the Potomac River to clear silt from the ...

Flows in the Potomac River have fallen far below normal ... drought monitoring by the Interstate Commission on the Potomac River Basin, according to ICPRB executive director Mike Nardolilli.