The biggest source of salty freshwater in D.C. and other major northern inland cities is an overapplication of road salt to thaw winter ice, which runs off into rivers or the ground.

Yet ask residents what they most love about Washington, and the Potomac River “I go to nature to be soothed and healed, and to have my senses put in order.” —Naturalist John Burroughs It’s a mighty ...

The Potomac River supplies 75% of the region with its drinking water. ... even doing things like reverse osmosis to take the brackish water of the Potomac and make it drinkable,” he said. ...

On May 16, the Potomac Conservancy gave the river a grade of B, up from a B- in 2020, a C in 2013 and a D in 2011. We have seen progress, Conservancy officials say, but more must be done.

Potomac Conservancy scores the Potomac River's health a grade of B, an improvement from a B-minus three years ago, and D in 2011. The Potomac River is in the middle of a comeback and is much ...

While sewers had overflowed up to 80 times a year into the Anacasotia River, which flows into the Potomac, the D.C. Water sewer project is set to prevent 98% of overflows. The project will wrap up ...

DC Water breaks ground on a 5.5-mile tunnel under D.C. to capture sewage overflows, aiming to cut Potomac River pollution by 93% by 2030.

Pop musician Lorde admitted to swimming in the polluted Potomac River during her tour stop in Washington, D.C. The pop artist is fresh off a tour in her home country of New Zealand and has since ...

These upstream locations are used to make water supply demands and “reach an environmental flow-by of 100 million gallons per day (MGD) on the Potomac River at Little Falls dam near Washington ...

About 16 miles from downtown D.C., the Potomac Water Filtration Plant captures water from the Potomac before it joins the Anacostia River. On a recent day in May, the river was an opaque brown as ...