Alert archive USA
351 published alerts, 32 currently active.
Page 8 of 8
Lifted· Chemical contamination· Microbiological
PFAS Contamination and Sewage Incidents in the Potomac Basin
The Potomac watershed faces significant challenges to drinking water quality due to PFAS contamination and sewage inflows. Among the affected areas is the Occoquan Reservoir, which serves as a drinking water source for approximately one million people in Northern Virginia. Additionally, a historical pipe burst of the Potomac Interceptor was highlighted, which led to significant sewage releases.
Washington, D.C., Potomac River Basin, USA
12/06/2026, 17:08