The Potomac River scored a B in the latest report card on the health of the waterway. Pollution is down, but deforestation is a threat to the watershed’s health.

DC Water is doing exploratory drilling in Rock Creek Park in preparation for the Piney Branch sewage project.

You can’t clean up the Potomac and Anacostia rivers without also paying attention to the small streams that feed into them. A new report shows they need some love.

“I’m happy to be a D.C. meme,” says the pop star, who says she went for a swim in the Potomac River before her concert.

The 380-ton boring machine will dig a two mile long tunnel under Alexandria to help catch runoff that regularly overflows into the river.

These are the best places to swim in the Potomac River … someday.

An old gas plant from the 1850s left a legacy of pollution on the shores of the Potomac River. A lawsuit filed by the Potomac Riverkeeper alleges the city isn’t doing enough to clean it up.

The construction barges were stuck on rocks after breaking free during storms. Now one has been safely recovered.

The Army wanted to create a security zone in the waterway along the shore of Fort McNair. After public outcry, officials dropped the plan.

Three years of water testing data on D.C. rivers shows some spots are clean enough to swim in. But it’s still illegal.