As emergency repairs continue, today marks 27 days, nearly one month, with no overflow reaching the Potomac River.

Crews are making significant progress to reinforce the downstream section of pipe from the collapse site and completed 240 linear feet of geopolymer overnight. Crews are working to apply another layer of geopolymer today. The material is similar in strength to concrete and when applied restores the structural integrity of the pipe.

Reinforcement of the upstream section of the Potomac Interceptor has been completed, marking the halfway point in emergency repairs following the January 19 sewer line collapse. Crews continue to advance repairs on schedule, with full project completion expected by mid-March.

DC Water today is releasing a comprehensive assessment detailing the condition of the Potomac Interceptor and our emergency response to the January 19 sanitary sewer line failure. This report provides ...