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DC Water begins drilling in Potomac River to explore options to rehab underwater sewer line
The Critical Need for a More Resilient Water Source and Protecting the One We Have
Latest From 'X (Formerly Twitter)'
Soggy day, we are still replacing old service lines! Out with the lead, in with the copper. Keep up with…https://t.co/MIvjtzQzfV
Latest News
Traffic Advisory: Sewer Rehabilitation Project May Cause Temporary Delays on Clara Barton Parkway
DC Water will be doing construction as part of a sanitary sewer rehabilitation project on Clara Barton Parkway in Maryland from Sept 8 - Oct 10, 2025, which may cause delays inbound near the I-495 Beltway interchange. One lane will be closed in the work zone to reline an 800-foot section of the sewer line, known as the Potomac Inteceptor. Access to the inner and outer loops of the Beltway will remain available. Additional lane closure may be necessary intermittently through Oct 24, 2025.
Now Flowing. Key Connection to New Rehabilitated Section of Potomac Interceptor Completed
Major Milestone in Sewer Line Repair Near Great Falls
DC Water has completed the final connection on the rehabilitated section of the Potomac Interceptor near Great Falls, renewing an integral part of the region's sewer system. This achievement signals the new pipe section is now fully operational and represents a significant step in completing this complex and critical infrastructure project.
DC Water Moves Forward with Major Sewer Line Repairs to Protect Rock Creek
Weekend Closure of Rock Creek Multi-Use Trail Begins Friday evening, Oct 3 for Gate Restoration Work
DC Water is advancing to the next critical phase of the Rock Creek Main Interceptor (RCMI) repair project, following the discovery in May of structural vulnerabilities in the 72-inch diameter sewer line that carries over 100 million gallons of wastewater daily. These repairs are a high priority to prevent potential sewage discharge into Rock Creek.
Scaffolding Installation Begins near Watergate Complex for Potomac River Tunnel Project
Rock Creek and Potomac Parkway NW Beginning September 23, 2025, to Mid-November 2025
DC Water is installing temporary scaffolding at the Rock Creek Trail site, west of the Watergate Complex. Trail users are advised to adhere to flagger instructions during installation.
Scaffolding installation is expected to be completed by September 26, 2025, and will remain in place until mid-November 2025.
