Today DC Water Chief Executive Officer and General Manager David L. Gadis testified before the House Energy and Commerce Committee’s Subcommittee on Oversight and Investigations regarding the Potomac Interceptor collapse to update members on our emergency response, ongoing rehabilitation efforts, and what we are doing to prevent future incidents.
Starting around May 21, 2026, drivers on K Street NW should expect a change in traffic patterns between 29th and 30th Streets NW, beneath the Whitehurst Freeway to support ongoing construction for the Potomac River Tunnel Project.
The active lane closure will shift from the north side to the south side of the roadway to support ongoing jet grouting operations. This process strengthens the ground to ...
DC Water's Lead Free DC Program accelerated its work across all eight wards last year, replacing 43% more lead service lines in Fiscal Year 2025 than the prior year. This marks a significant achievement for the program in the newly released annual report on Lead Free DC.
We hope to see you tonight for our upcoming Lead Free DC Virtual Meeting! We will discuss Losing the Lead Without Losing Your Yard. This session is an in-depth look at an important concern for many homeowners: how Lead Free DC restores your yard following a lead service line replacement.
Hundreds of Sampling Results Confirm Return to Normal Bacteria Levels in Potomac River
DC Water has outlined its next steps to complete the environmental cleanup and its plan for continued water quality monitoring this summer, as part of the ongoing response to January’s failure in the Potomac Interceptor sewer pipeline. The plan, submitted to the Maryland Department of the Environment (MDE), is ...
Work continues to remove the remaining soil between locks 10 and 12 of the C & O Canal which was used as an emergency bypass while the Potomac Interceptor was repaired. Crews area also removing plants, trees, and shrubs in preparation for the long-term rehabilitation of the Potomac Interceptor.
DC Water will initiate the next phase of construction at the Capital Crescent Trail site near the Aqueduct by opening a temporary trail around the work zone. The new trail will open on or about May 6, 2026. Safety features will include rumble strips, traffic mirrors, and overhead protection. The following week, DC Water will resume preparing for deep excavation by drilling reinforced steel columns ...
Workers are excavating potentially impacted soil and rocks by hand from the ground at the bottom of the canal’s locks, to avoid damaging the historic structures with excavators or other heavy equipment.
DC Water has nearly completed construction site preparation for the Piney Branch Tunnel project, including tree removal, and installation of fences, erosion and sediment controls, utilities, and trailers. To complete site setup a section of Piney Branch Parkway will be relocated before starting the shaft and tunnel work.
On or about May 12, 2026, Piney Branch Parkway will be closed between Arkansas ...
DC Water invites residents to join the next Lead Free DC virtual community meeting on May 11 where LFDC experts will talk about how construction may affect yards and outdoor spaces.
