National Transportation Safety Board Chair Jennifer Homendy explains the margin of error problem by referencing their chart in the preliminary report that maps the ...

The President is at the center of a brazenly transactional ecosystem that rewards flattery and lockstep loyalty.

The cleanup event aims to improve water quality and protect wildlife habitats in the Potomac River, which supplies drinking water to over five million people.

Once it is, organizations such as the Potomac Riverkeeper Network could use the existing models and maps of the river to pinpoint locations in the river where the water still might contain ...

A map from the USGS showed that some rivers were 23,000 percent of their normal median level or higher as of Friday morning.

A new long-term "blueprint" to dramatically expand Northern Virginia's bus rapid transit lines calls for significant ...

You can keep an eye on areas that are reporting flooding with our map below. A flood watch and a flood warning are two different things. Here's the difference. A flood watch indicates that the ...

The flooding came with storms caused by an atmospheric river that the National Oceanic ... on Saturday. An NWS map shows multiple flood warnings and advisories. A warning is when "the hazardous ...