Drivers should expect periodic traffic delays midday and overnight on Clara Barton Parkway at the Maryland-DC border through December 23, 2026, as DC Water works to complete emergency repairs on the Potomac Interceptor sewer system.

During scheduled work periods 10 a.m. – 2 p.m. and 8 p.m. – 4 a.m., one lane may be closed to allow crews to safely deliver pipe, prepare for upcoming work, and complete sliplining work to repair this section of the Potomac Interceptor. Upcoming traffic impacts are scheduled for, but not limited to, the following dates: November 4 – 6 and November 8 – 20, with ...

DC Water will replace multiple defective valves on a water main along a key thoroughfare in Georgetown tonight, Monday, November 2. Work will begin at 8 p.m., to address priority repairs and help keep water service reliable. Expect lane closures and delays on westbound M Street NW between 25th and 36th streets. One northbound lane on 25th Street NW at M Street will also be closed.

This is the final phase of construction as part of an ongoing project to assess the condition of water mains in Georgetown. Valves let crews start, stop, and direct water flow from the main. When a pipe leaks or ...

Work on Long-Term Rehabilitation of the Potomac Interceptor Continues

Today, DC Water marked the start of work to restore a section of the historic C & O Canal. Construction is underway to rebuild the clay liner which creates a waterproof seal that keeps the canal water from leaking. It’s the next step in the environmental rehabilitation process following the Potomac Interceptor sewer collapse in January.