National Harbor Marina, on the Potomac River, is now managed by Latitude Marinas. Latitude Marinas, a US Marina Group company, brings over 50 years of marine industry expertise and elevated service to ...
It’s not fishable or swimmable yet, but according to the Potomac Conservancy, the Potomac River earned a grade of “B” for the ...
The Potomac River is holding steady at a "B" grade for water quality, but progress has flatlined, according to the latest ...
The river got a "B" in the Potomac Conservancy's new report. Things aren't getting worse, but improvements have stalled.