DC Water Says Potomac River Unharmed After Jan Sewer Spill
Testing by DC Water showed the Potomac River suffered no lasting damage after a January 2026 sewer line collapse that released hundreds of millions of gallons of sewage. Expanded testing in August confirmed the river’s health.
GMNA Washington Dc
DC Water announced that testing found no lasting damage to the Potomac River after a sewer line collapsed in January 2026, releasing hundreds of millions of gallons of sewage.
The agency expanded health testing in August 2026 to assess the river’s condition following the spill.
Results from the expanded testing indicated the river remains unaffected despite the earlier discharge.
