The gauge is near the bridge connecting Maryland’s Frederick County with Loudoun County, Virginia, and is located upstream from the Potomac River intakes for the Washington Aqueduct, WSSC Water ...

Low stream flow levels in the Potomac River, the area’s main supply of drinking water, triggered daily drought monitoring in the area Monday, according to the Interstate Commission on the ...

The U.S. Geological Survey gauge is near the bridge connecting Maryland’s Frederick County with Loudoun County, Virginia, and is located upstream from the Potomac River intakes for the ...

Multiple stream and river flood warnings are in effect around the region as flood gages rise along waterways. To stream WUSA9 on your phone, you need the WUSA9 app. Download the WUSA9 app ...

This year's lack of rainfall had the Interstate Commission on the Potomac River Basin (ICPRB) considering doing something they haven't done since 2010.

While sewers had overflowed up to 80 times a year into the Anacasotia River, which flows into the Potomac, the D.C. Water sewer project is set to prevent 98% of overflows. The project will wrap up ...