Wednesday brought another round of conflict between the Trump administration and Maryland Gov. Wes Moore.

President Donald Trump said the Federal Emergency Management Agency will play a key role in cleaning up 200 million to 300 ...

Note: In the above video from Feb. 17, Huntington Ingalls Industries said a jet fuel spill into the James River did not ...

President Donald Trump is blaming Democratic leaders in the metropolitan area encompassing Washington, D.C., Maryland, and Virginia for a massive sewage spill that contaminated the Potomac River, ...

Of the approximately 4,700 gallons of jet fuel that Huntington Ingalls Industries spilled into the James River while ...

D.C. Democratic Mayor Muriel Bower declared a local public emergency 30 days after a major sewage, wastewater pipe collapsed.

A 60-year-old sewer line break in Maryland has sent more than 240 million gallons of untreated wastewater into the Potomac River, igniting a political firestorm. NBC News’ Tom Costello reports.

Officials said environmental spills can be complex, especially during winter conditions that include freezing temperatures, ...

Researchers from Texas A&M and UC Berkeley have successfully conducted the first large-scale experiment ...

The Environmental Protection Agency stated Monday the completion of a clean-up of mercury in a Valley Park home.

President Donald Trump has approved emergency assistance to Washington, D.C., to help the city address a sewage system leak ...