DC Water and its contractors continue working around the clock, to operate, clean and maintain bypass pumps that divert wastewater around the damaged section of the Potomac Interceptor and return flows into the system further downstream. Despite these efforts, a significant overflow occurred late Sunday.

DC Water is taking emergency measures with the immediate and ongoing closure of all northbound lanes of 14th Street between L Street NW and Thomas Circle, due to the imminent risk of collapse posed by an abandoned, century-old, brick-lined sewer tunnel beneath the roadway.

Work continues on the Potomac Interceptor, a section of which collapsed on January 19, along Clara Barton Parkway and the I-495 interchange and C & O Canal Historical Park causing a sanitary sewer ...