Maryland’s complaint claims that based on inspections conducted more than a decade earlier, DC Water should have been aware that the collapsed section of the 72-in.-dia pipeline was at high risk of structural failure.
May 14, 2026
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Jim Parsons - Engineering News-Record
The state of Maryland and the federal government have filed separate lawsuits against the District of Columbia Water and Sewer Authority (DC Water), both alleging that the agency’s failure to address longstanding deterioration in the Potomac Interceptor contributed to a weeklong release of more than 240 million gallons of raw sewage into the Potomac River this past January.
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