DC Water breaks ground on a 5.5-mile tunnel under D.C. to capture sewage overflows, aiming to cut Potomac River pollution by ...

Salvage crews have shifted their focus to clearing smaller debris from the Potomac River following last week ... the water and it can basically map the surface of the bottom," Brauchle explained ...

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