The 12-day heat wave that just ended in Washington turned the Potomac River ... high levels, rising well into the 80s to around 90. Such high temperatures can be detrimental to water quality ...

The Potomac Conservancy gave the river a B on its latest report card, matching a high mark last awarded in ... that efforts to improve water quality in the Potomac and across the Chesapeake ...

WASHINGTON — The Potomac River just ... dine and paddle on the river. Ten years ago, river activities such as paddling weren’t as popular. Due to high levels of pollution, the surface of ...

The wreckage of a U.S. Army Black Hawk helicopter in the Potomac River in Washington, D.C., Thursday. (BRANDON GILES/U.S. COAST GUARD) The U.S. Coast Guard released images taken Thursday of the ...

looking out at the Potomac River. He’s been paddle boarding on the Potomac for about six years. He says, lately, the water levels have been high. “It’s been fun for paddle boarding but chaos ...

The Potomac River’s dirty reputation is apparently getting worse. The nonprofit that monitors the river’s health on Thursday downgraded the waterway from its D-plus ranking in 2007 to a D.