Potomac Interceptor Repairs Update
February 25, 2026 

• Crews are nearly done removing a rock and debris dam that was blocking the damaged section of the Potomac Interceptor. Several feet of rocks and ...

As DC Water continues repair efforts on the Potomac Interceptor sewer line, we want to provide an opportunity for the community to engage with us on Wednesday, February 25, to ask questions, and learn more about the response, impacts to the Potomac River, and next steps in the emergency repair and long-term rehabilitation efforts.

Repairs are moving forward, with crews closer to reaching a debris dam and large rocks blocking a section of the damaged Potomac Interceptor. Work has been completed to fully extend the excavation site and install trench boxes to stabilize and isolate the additional pipe sections. No overflows entering the Potomac River have occurred in 16 days.

The excavation around a damaged section of the Potomac Interceptor has been extended and trench boxes installed to provide shoring and stability. This doubles the size of the excavated area, to connect the collapse site with a downstream access point to the Potomac Interceptor.