DC Water has excavated a section of the Potomac Interceptor along Clara Barton Parkway, outside the I-495 Beltway as part of the accelerated rehabilitation of more than 2700 linear feet of the interceptor that was previously planned. As part of the long-term rehabilitation project, crews are beginning to remove trees which is necessary to construct a bypass chamber that will divert wastewater around sections of the pipe while they are being rehabilitated.

Recognition highlights DC Water’s commitment to environmental stewardship during Earth Month

DC Water has been honored with the “Green Bond of the Year – US Muni Bond” Award by Environmental Finance, a leading industry publication. This achievement celebrates DC Water’s leadership in sustainability and its dedication to responsible municipal financing.

DC Water issues the following statement in response to the complaints filed by the Maryland Office of the Attorney General and the Department of Justice on behalf of the U.S. Environmental Protection Agency regarding the Potomac Interceptor sewer overflow into the Potomac River that occurred on January 19, 2026:

DC Water is fully committed to the long-term rehabilitation of the Potomac Interceptor. Although the lawsuits are still under review, they underscore our commitment to advance the planned repairs for the entire 54-mile pipeline, including the impacted segment. Executing this work on ...