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... DC Water, the local authority that operates the pipe, said Friday that there's a risk of limited overflow of wastewater until repairs are completed.

Approximately 243 million gallons of wastewater has overflowed from the pipe that collapsed on January 19 in Montgomery County, Md., according to a release from DC Water. That translates into 368 Olympic-sized swimming pools worth of sewage. The brunt of this surge happened in the first five days, before interim bypass pumping was activated -- a system that reroutes sewage around the damaged section.

"Analysis of Potomac River flow data indicates that the estimated peak discharge of wastewater, approximately 40 million gallons per day, represents about 2% of the Potomac River's total flow during that period," the statement reads. ...