WASHINGTON (7News) — New testing by the Potomac Riverkeeper Network suggests sewage-contaminated water may still be reaching the Potomac River through a tributary that runs beneath the C&O Canal, even ...

A sewer line breach in Maryland last month sent millions of gallons of raw sewage into the Potomac River, posing potential serious public health risks. The Virginia Department of Health (VDH) said the ...

WASHINGTON — While DC Water maintains that repairs and cleanup from January's sewer line collapse won't be paid for by D.C. residents, there are concerns about the cost it could have on small ...

An ecological crisis of "historic proportion" is underway in the Potomac River after a massive sewer pipe collapse north of Washington, D.C., the Environmental Protection Agency said Tuesday.