Potomac River declared safe by officials, but locals remain concerned

Officials say the Potomac River is safe for recreation after weeks of testing following a major sewer line failure that released about 243 million gallons; some state advisories and independent tests still show occasional bacteria spikes.

Officials announced this week that the Potomac River is safe for recreational use after weeks of bacterial monitoring following a major sewer line failure. The collapse, reported about six weeks earlier upstream in Montgomery County, Md., released roughly 243 million gallons of sewage into the river. District health authorities based their declaration on continuing tests, while independent conservation groups have continued their own sampling. Residents, river users and downstream shellfish harvesters report lingering concern about contamination and economic effects. Key details: - A major sewer line failure sent an estimated 243 million gallons of sewage into the Potomac about six weeks ago. - District health authorities announced the river is safe for recreation after weeks of bacteria testing. - Independent conservation tests show declining bacteria levels in the most affected areas, though occasional spikes have been reported. - Virginia and Maryland have not yet lifted all recreational advisories; Maryland officials said they expect to lift shellfish harvesting restrictions next week. - Local residents and downstream oyster and shellfish farmers reported continued worry and some economic impact from reduced demand. Summary: Officials say testing indicates immediate health risks for recreational use have eased, but independent tests and remaining state advisories show sporadic bacteria spikes. Maryland expects to lift shellfish harvesting restrictions next week, and further decisions will reflect ongoing monitoring and state reviews.