A January pipeline collapse spilled 240 million gallons of raw sewage into the Potomac River, triggering a major cleanup and health warnings.

A pipeline collapse in mid-January spilled over 240 million gallons of raw sewage into the Potomac River, prompting an ongoing cleanup effort with estimated costs up to $10 million. Authorities are monitoring water quality and public health risks, advising against river contact. The cause is under investigation, and officials are assessing infrastructure vulnerabilities to prevent future incidents.