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

This $615 million project is key to cleaning up the Potomac River. When heavy rain strikes a centuries-old neighborhood in Alexandria, Va., the city’s pipes can’t handle the volume.

A Jan. 29, 2025, plane and helicopter crash in the Potomac River has raised environmental concerns about jet fuel contamination. Government agencies haven't tested the water, citing jet fuel's ...

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. Despite recent improvements ...