Drivers should expect delays on Clara Barton Parkway at the Maryland – DC border on October 22 and 23, from 10 a.m. to 2 p.m. During this time, one lane will be closed to allow DC Water to safely ...

DC Water will replace a defective valve on a 30-inch water main on the outbound side of the Key Bridge tonight, Friday, October 9, 2026.

Expanded testing by DC Water found that the Potomac River is healthy and that there is no evidence of lasting harm to the river from January's collapse of the Potomac Interceptor sewer line.