In its annual State of the Nation's River report, the Potomac Conservancy gave the Potomac River a D grade, down from D+ in its first report in 2007.
RecommendedRecent Facebook Activity
Only On 7
Watch "The Queen Latifah Show" weekdays at 4pm followed by Leon Harris and Alison Starling on ABC7 News at 5. Click here to find out more about "The Queen Latifah Show!"